Stephan Karl

Decreased bioefficacy of long-lasting insecticidal nets and the resurgence of malaria in Papua New Guinea.

Rebecca Vinit, Lincoln Timinao, Nakei Bubun, Michelle Katusele, Leanne J Robinson, Peter Kaman, Muker Sakur, Leo Makita, Lisa Reimer, Louis Schofield, William Pomat, Ivo Mueller, Moses Laman, Tim Freeman, Stephan Karl

Journal article  |  2020  |  Nature Communications

Papua New Guinea (PNG) has the highest malaria transmission outside of Africa. Long-lasting insecticidal nets (LLINs) are believed..

The epidemiology of Plasmodium falciparum and Plasmodium vivax in East Sepik Province, Papua New Guinea, pre- and post-implementation of national malaria control efforts

Johanna H Kattenberg, Dulcie L Gumal, Maria Ome-Kaius, Benson Kiniboro, Matthew Philip, Shadrach Jally, Bernadine Kasian, Naomi Sambale, Peter M Siba, Stephan Karl, Alyssa E Barry, Ingrid Felger, James W Kazura, Ivo Mueller, Leanne J Robinson

Journal article  |  2020  |  Malaria Journal

BACKGROUND: In the past decade, national malaria control efforts in Papua New Guinea (PNG) have received renewed support, facilita..

Population genetics of the banded coral shrimp, Stenopus hispidus (Olivier, 1811), in the Indonesian archipelago

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2020  |  Journal of Experimental Marine Biology and Ecology

qRT-PCR versus IFA-based Quantification of Male and Female Gametocytes in Low-Density Plasmodium falciparum Infections and Their Relevance for Transmission.

Maria Gruenberg, Natalie E Hofmann, Elma Nate, Stephan Karl, Leanne J Robinson, Kjerstin Lanke, Thomas A Smith, Teun Bousema, Ingrid Felger

Journal article  |  2020  |  The Journal of Infectious Diseases

BACKGROUND: Accurate quantification of female and male gametocytes and sex ratios in asymptomatic low-density malaria infections a..

Differential impact of malaria control interventions on P. falciparum and P. vivax infections in young Papua New Guinean children

Maria Ome-Kaius, Johanna Helena Kattenberg, Sophie Zaloumis, Matthew Siba, Benson Kiniboro, Shadrach Jally, Zahra Razook, Daisy Mantila, Desmond Sui, Jason Ginny, Anna Rosanas-Urgell, Stephan Karl, Thomas Obadia, Alyssa Barry, Stephen J Rogerson, Moses Laman, Daniel Tisch, Ingrid Felger, James W Kazura, Ivo Mueller, et al.

Journal article  |  2019  |  BMC Medicine

INTRODUCTION: As malaria transmission declines, understanding the differential impact of intensified control on Plasmodium falcipa..

Antibodies to Plasmodium vivax reticulocyte binding protein 2b are associated with protection against P. vivax malaria in populations living in low malaria transmission regions of Brazil and Thailand

Wen-Qiang He, Stephan Karl, Michael T White, Wang Nguitragool, Wuelton Monteiro, Andrea Kuehn, Jakub Gruszczyk, Camila T Franca, Jetsumon Sattabongkot, Marcus VG Lacerda, Wai-Hong Tham, Ivo Mueller

Journal article  |  2019  |  PLOS Neglected Tropical Diseases

BACKGROUND: The Plasmodium vivax Reticulocyte Binding Protein (PvRBP) family is involved in red blood cell recognition and members..

Insecticide resistance status of Aedes aegypti and Aedes albopictus mosquitoes in Papua New Guinea

Samuel Demok, Nancy Endersby-Harshman, Rebecca Vinit, Lincoln Timinao, Leanne J Robinson, Melinda Susapu, Leo Makita, Moses Laman, Ary Hoffmann, Stephan Karl

Journal article  |  2019  |  Parasites & Vectors

Highly heterogeneous residual malaria risk in western Thailand

Wang Nguitragool, Stephan Karl, Michael White, Cristian Koepfli, Ingrid Felger, Pratap Singhasivanon, Ivo Mueller, Jetsumon Sattabongkot

Journal article  |  2019  |  International Journal for Parasitology

Molecular epidemiology of residual Plasmodium vivax transmission in a paediatric cohort in Solomon Islands

Yi Wan Quah, Andreea Waltmann, Stephan Karl, Michael T White, Ventis Vahi, Andrew Darcy, Freda Pitakaka, Maxine Whittaker, Daniel J Tisch, Alyssa Barry, Celine Barnadas, James Kazura, Ivo Mueller

Journal article  |  2019  |  Malaria Journal

Species abundance, composition, and nocturnal activity of female Anopheles (Diptera: Culicidae) in malaria-endemic villages of Papua New Guinea: assessment with barrier screen sampling

John B Keven, Michelle Katusele, Rebecca Vinit, Gussy Koimbu, Naomi Vincent, Edward K Thomsen, Stephan Karl, Lisa J Reimer, Edward D Walker

Journal article  |  2019  |  Malaria Journal

Sulphadoxine-pyrimethamine plus azithromycin may improve birth outcomes through impacts on inflammation and placental angiogenesis independent of malarial infection

Holger W Unger, Annjaleen P Hansa, Christelle Buffet, Wina Hasang, Andrew Teo, Louise Randall, Maria Ome-Kaius, Stephan Karl, Ayen A Anuan, James G Beeson, Ivo Mueller, Sarah J Stock, Stephen J Rogerson

Journal article  |  2019  |  SCIENTIFIC REPORTS

Use of anthropophilic culicid-based xenosurveillance as a proxy for Plasmodium vivax malaria burden and transmission hotspots identification

Joabi Nascimento, Vanderson S Sampaio, Stephan Karl, Andrea Kuehn, Anne Almeida, Sheila Vitor-Silva, Gisely Cardoso de Melo, Djane C Baia da Silva, Stefanie CP Lopes, Nelson F Fe, Jose B Pereira Lima, Maria G Barbosa Guerra, Paulo FP Pimenta, Quique Bassat, Ivo Mueller, Marcus VG Lacerda, Wuelton M Monteiro

Journal article  |  2018  |  PLOS Neglected Tropical Diseases

Efficacy of artemether-lumefantrine and dihydroartemisinin-piperaquine for the treatment of uncomplicated malaria in Papua New Guinea

Livingstone Tavul, Manuel W Hetzel, Albina Teliki, Dorish Walsh, Benson Kiniboro, Lawrence Rare, Justin Pulford, Peter M Siba, Stephan Karl, Leo Makita, Leanne Robinson, Johanna H Kattenberg, Moses Laman, Gilchrist Oswyn, Ivo Mueller

Journal article  |  2018  |  Malaria Journal

Mathematical modelling of the impact of expanding levels of malaria control interventions on Plasmodium vivax

Michael T White, Patrick Walker, Stephan Karl, Manuel W Hetzel, Tim Freeman, Andreea Waltmann, Moses Laman, Leanne J Robinson, Azra Ghani, Ivo Mueller

Journal article  |  2018  |  Nature Communications

Population genetic subdivision of seagrasses, Syringodium isoetifolium and Thalassia hemprichii, in the Indonesian Archipelago

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2018  |  Botanica Marina

Abstract The population genetics of two seagrasses, Syringodium isoetifolium and Thalassia hemprichii were assessed throughout the..

Plasmodium vivax and Plasmodium falciparum infection dynamics: re-infections, recrudescences and relapses

Michael T White, Stephan Karl, Cristian Koepfli, Rhea J Longley, Natalie E Hofmann, Rahel Wampfler, Ingrid Felger, Tom Smith, Wang Nguitragool, Jetsumon Sattabongkot, Leanne Robinson, Azra Ghani, Ivo Mueller

Journal article  |  2018  |  Malaria Journal

Flickers of speciation: Sympatric colour morphs of the arc-eye hawkfish, Paracirrhites arcatus, reveal key elements of divergence with gene flow.

Jonathan L Whitney, Brian W Bowen, Stephen A Karl

Journal article  |  2018  |  Molecular Ecology

One of the primary challenges of evolutionary research is to identify ecological factors that favour reproductive isolation. There..

Increasingly inbred and fragmented populations of Plasmodium vivax associated with the eastward decline in malaria transmission across the Southwest Pacific

Andreea Waltmann, Cristian Koepfli, Natacha Tessier, Stephan Karl, Abebe Fola, Andrew W Darcy, Lyndes Wini, GL Abby Harrison, Celine Barnadas, Charlie Jennison, Harin Karunajeewa, Sarah Boyd, Maxine Whittaker, James Kazura, Melanie Bahlo, Ivo Mueller, Alyssa E Barry

Journal article  |  2018  |  PLOS Neglected Tropical Diseases

Niche divergence along a fine-scale ecological gradient in sympatric color morphs of a coral reef fish

JL Whitney, MJ Donahue, SA Karl

Journal article  |  2018  |  Ecosphere

Status of Insecticide Resistance in Papua New Guinea: An Update from Nation-Wide Monitoring of Anopheles Mosquitoes

Gussy Koimbu, Cyrille Czeher, Michelle Katusele, Muker Sakur, Lemen Kilepak, Anthony Tandrapah, Manuel W Hetzel, Justin Pulford, Leanne Robinson, Stephan Karl

Journal article  |  2018  |  The American Journal of Tropical Medicine and Hygiene

Connecting Palau’s marine protected areas: a population genetic approach to conservation

A Cros, RJ Toonen, MJ Donahue, SA Karl

Journal article  |  2017  |  Coral Reefs

The complex relationship of exposure to new Plasmodium infections and incidence of clinical malaria in Papua New Guinea

Natalie E Hofmann, Stephan Kari, Rahel Wampfler, Benson Kiniboro, Albina Teliki, Jonah Iga, Andreea Waltmann, Inoni Betuela, Ingrid Felger, Leanne J Robinson, Ivo Mueller

Journal article  |  2017  |  eLife

Effects of liver-stage clearance by Primaquine on gametocyte carriage of Plasmodium vivax and P. falciparum

Rahel Wampfler, Natalie E Hofmann, Stephan Karl, Inoni Betuela, Benson Kinboro, Lina Lorry, Mariabeth Silkey, Leanne J Robinson, Ivo Mueller, Ingrid Felger

Journal article  |  2017  |  PLOS Neglected Tropical Diseases

Imported Plasmodium falciparum and locally transmitted Plasmodium vivax: cross-border malaria transmission scenario in northwestern Thailand

Patchara Sriwichai, Stephan Karl, Yudthana Samung, Kirakorn Kiattibutr, Jeeraphat Sirichaisinthop, Ivo Mueller, Liwang Cui, Jetsumon Sattabongkot

Journal article  |  2017  |  Malaria Journal

Synergistic effect of IL-12 and IL-18 induces TIM3 regulation of gamma delta T cell function and decreases the risk of clinical malaria in children living in Papua New Guinea

Louis Schofield, Lisa J Ioannidis, Stephan Karl, Leanne J Robinson, Qiao Y Tan, Daniel P Poole, Inoni Betuela, Danika L Hill, Peter M Siba, Diana S Hansen, Ivo Mueller, Emily M Eriksson

Journal article  |  2017  |  BMC Medicine

Molecular Identification of Polydorid Polychaetes (Annelida: Spionidae): Is there a Quick Way to Identify Pest and Alien Species?

LG Williams, SA Karl, S Rice, C Simon

Journal article  |  2017  |  African Zoology

Effects of Plasmodium falciparum infection on umbilical artery resistance and intrafetal blood flow distribution: a Doppler ultrasound study from Papua New Guinea

Maria Ome-Kaius, Stephan Karl, Regina Alice Wangnapi, John Walpe Bolnga, Glen Mola, Jane Walker, Ivo Mueller, Holger Werner Unger, Stephen John Rogerson

Journal article  |  2017  |  MALARIA JOURNAL

Population genetics, phylogeography, and molecular evolution

BW Bowen, SA Karl

Book Chapter  |  2017

Spatial Effects on the Multiplicity of Plasmodium falciparum Infections

Stephan Karl, Michael T White, George J Milne, David Gurarie, Simon I Hay, Alyssa E Barry, Ingrid Felger, Ivo Mueller

Journal article  |  2016  |  PLOS ONE

Azithromycin-containing intermittent preventive treatment in pregnancy affects gestational weight gain, an important predictor of birthweight in Papua New Guinea - an exploratory analysis

Holger W Unger, Regina A Wangnapi, Maria Ome-Kaius, Philippe Boeuf, Stephan Karl, Ivo Mueller, Stephen J Rogerson

Journal article  |  2016  |  Maternal & Child Nutrition

Risk factors for Plasmodium falciparum and Plasmodium vivax gametocyte carriage in Papua New Guinean children with uncomplicated malaria

Stephan Karl, Moses Laman, Brioni R Moore, John M Benjamin, Mary Salib, Lina Lorry, Samuel Maripal, Peter Siba, Leanne J Robinson, Ivo Mueller, Timothy ME Davis

Journal article  |  2016  |  Acta Tropica

Limited Degradation of the Plasmodium falciparum Gametocyte Marker pfs25 mRNA Exposed to Tropical Temperatures: Considerations for Malaria Transmission Field Studies

Andreea Waltmann, Stephan Karl, Chris Chiu, Ivo Mueller

Journal article  |  2016  |  The American Journal of Tropical Medicine and Hygiene

Variation in relapse frequency and the transmission potential of Plasmodium vivax malaria

Michael T White, George Shirreff, Stephan Karl, Azra C Ghani, Ivo Mueller

Journal article  |  2016  |  Proceedings of the Royal Society B: Biological Sciences

Population genetic structure between Yap and Palau for the coral Acropora hyacinthus

A Cros, RJ Toonen, SW Davies, SA Karl

Journal article  |  2016  |  PeerJ

Information on connectivity is becoming increasingly in demand as marine protected areas are being designed as an integral part of..

Evaluation of CDC light traps for mosquito surveillance in a malaria endemic area on the Thai-Myanmar border

Patchara Sriwichai, Stephan Karl, Yudthana Samung, Suchada Sumruayphol, Kirakorn Kiattibutr, Anon Payakkapol, Ivo Mueller, Guiyun Yan, Liwang Cui, Jetsumon Sattabongkot

Journal article  |  2015  |  Parasites & Vectors

Considerations regarding the micromagnetic resonance relaxometry technique for rapid label-free malaria diagnosis

Stephan Karl, Ivo Mueller, Timothy G St Pierre

Journal article  |  2015  |  Nature Medicine

Accuracy of an HRP-2/panLDH rapid diagnostic test to detect peripheral and placental Plasmodium falciparum infection in Papua New Guinean women with anaemia or suspected malaria

Alexandra J Umbers, Holger W Unger, Anna Rosanas-Urgell, Regina A Wangnapi, Johanna H Kattenberg, Shadrach Jally, Selina Silim, Elvin Lufele, Stephan Karl, Maria Ome-Kaius, Leanne J Robinson, Stephen J Rogerson, Ivo Mueller

Journal article  |  2015  |  MALARIA JOURNAL

Strategies for Understanding and Reducing the Plasmodium vivax and Plasmodium ovale Hypnozoite Reservoir in Papua New Guinean Children: A Randomised Placebo-Controlled Trial and Mathematical Model

Leanne J Robinson, Rahel Wampfler, Inoni Betuela, Stephan Karl, Michael T White, Connie SN Li Wai Suen, Natalie E Hofmann, Benson Kinboro, Andreea Waltmann, Jessica Brewster, Lina Lorry, Nandao Tarongka, Lornah Samol, Mariabeth Silkey, Quique Bassat, Peter M Siba, Louis Schofield, Ingrid Felger, Ivo Mueller

Journal article  |  2015  |  PLOS Medicine

Gametocyte Clearance Kinetics Determined by Quantitative Magnetic Fractionation in Melanesian Children with Uncomplicated Malaria Treated with Artemisinin Combination Therapy

Stephan Kari, Moses Laman, Brioni R Moore, John Benjamin, Tamarah Koleala, Clemencia Ibam, Bernadine Kasian, Peter M Siba, Andreea Waltmann, Ivo Mueller, Robert C Woodward, Timothy G St Pierre, Timothy ME Davis

Journal article  |  2015  |  Antimicrobial Agents and Chemotherapy

Preterm or Not - An Evaluation of Estimates of Gestational Age in a Cohort of Women from Rural Papua New Guinea

Stephan Karl, Connie SN Li Wai Suen, Holger W Unger, Maria Ome-Kaius, Glen Mola, Lisa White, Regina A Wangnapi, Stephen J Rogerson, Ivo Mueller

Journal article  |  2015  |  PLOS ONE

Global mitochondrial DNA phylogeography and population structure of the silky shark, Carcharhinus falciformis

CR Clarke, SA Karl, RL Horn, AM Bernard, JS Lea, FH Hazin, PA Prodöhl, MS Shivji

Journal article  |  2015  |  Marine Biology

The importance of sampling design: spatial patterns and clonality in estimating the genetic diversity of coral reefs

KD Gorospe, MJ Donahue, SA Karl

Journal article  |  2015  |  Marine Biology

Factors associated with ultrasound-aided detection of suboptimal fetal growth in a malaria-endemic area in Papua New Guinea

Holger Werner Unger, Maria Ome-Kaius, Stephan Karl, Dupain Singirok, Peter Siba, Jane Walker, Regina Alice Wangnapi, Ivo Mueller, Stephen John Rogerson

Journal article  |  2015  |  BMC PREGNANCY AND CHILDBIRTH

Temporal changes in Plasmodium falciparum anti-malarial drug sensitivity in vitro and resistance-associated genetic mutations in isolates from Papua New Guinea

Tamarah Koleala, Stephan Karl, Moses Laman, Brioni R Moore, John Benjamin, Celine Barnadas, Leanne J Robinson, Johanna H Kattenberg, Sarah Javati, Rina PM Wong, Anna Rosanas-Urgell, Inoni Betuela, Peter M Siba, Ivo Mueller, Timothy ME Davis

Journal article  |  2015  |  Malaria Journal

The affinity of magnetic microspheres for Schistosoma eggs

Renata RF Candido, Vivian Favero, Mary Duke, Stephan Karl, Lucia Gutierrez, Robert C Woodward, Carlos Graeff-Teixeira, Malcolm K Jones, Timothy G St Pierre

Journal article  |  2015  |  International Journal for Parasitology

Fetal Size in a Rural Melanesian Population with Minimal Risk Factors for Growth Restriction: An Observational Ultrasound Study from Papua New Guinea

Holger W Unger, Stephan Karl, Regina A Wangnapi, Peter Siba, Glen Mola, Jane Walker, Ivo Mueller, Maria Ome, Stephen J Rogerson

Journal article  |  2015  |  The American Journal of Tropical Medicine and Hygiene

Depth as an organizing force in Pocillopora damicornis: intra-reef genetic architecture.

Kelvin D Gorospe, Stephen A Karl

Journal article  |  2015  |  PLOS ONE

Relative to terrestrial plants, and despite similarities in life history characteristics, the potential for corals to exhibit intr..

Multiple mating and reproductive skew in parental and introgressed females of the live-bearing fish Xiphophorus birchmanni.

Kimberly A Paczolt, Courtney N Passow, Pablo J Delclos, Holly K Kindsvater, Adam G Jones, Gil G Rosenthal

Journal article  |  2015  |  Journal of Heredity

Just as mating patterns can promote speciation or hybridization, the presence of hybridization can shape mating patterns within a ..

Challenges for Diagnosis of Malaria and Neglected Tropical Diseases in Elimination Settings

Stephan Karl, Malcolm K Jones, Luca Gutierrez, Brioni Moore, Eline Kattenberg, Andmarcus Lacerda

Journal article  |  2015  |  BioMed Research International

Artemisinin-Naphthoquine versus Artemether-Lumefantrine for Uncomplicated Malaria in Papua New Guinean Children: An Open-Label Randomized Trial

Moses Laman, Brioni R Moore, John M Benjamin, Gumul Yadi, Cathy Bona, Jonathan Warrel, Johanna H Kattenberg, Tamarah Koleala, Laurens Manning, Bernadine Kasian, Leanne J Robinson, Naomi Sambale, Lina Lorry, Stephan Karl, Wendy A Davis, Anna Rosanas-Urgell, Ivo Mueller, Peter M Siba, Inoni Betuela, Timothy ME Davis

Journal article  |  2014  |  PLoS Medicine

Modelling the contribution of the hypnozoite reservoir to Plasmodium vivax transmission

Michael T White, Stephan Karl, Katherine E Battle, Simon I Hay, Ivo Mueller, Azra C Ghani

Journal article  |  2014  |  eLife

Spatio-temporal epidemiology of the cholera outbreak in Papua New Guinea, 2009-2011

Paul F Horwood, Stephan Karl, Ivo Mueller, Marinjho H Jonduo, Boris I Pavlin, Rosheila Dagina, Berry Ropa, Sibauk Bieb, Alexander Rosewell, Masahiro Umezaki, Peter M Siba, Andrew R Greenhill

Journal article  |  2014  |  BMC Infectious Diseases

A spatial simulation model for dengue virus infection in urban areas.

Stephan Karl, Nilimesh Halder, Joel K Kelso, Scott A Ritchie, George J Milne

Journal article  |  2014  |  BMC Infectious Diseases

BACKGROUND: The World Health Organization estimates that the global number of dengue infections range between 80-100 million per y..

Comparison of three methods for detection of gametocytes in Melanesian children treated for uncomplicated malaria

Stephan Karl, Moses Laman, Tamarah Koleala, Clemencia Ibam, Bernadine Kasian, Nola N'Drewei, Anna Rosanas-Urgell, Brioni R Moore, Andreea Waltmann, Cristian Koepfli, Peter M Siba, Inoni Betuela, Robert C Woodward, Timothy G St Pierre, Ivo Mueller, Timothy ME Davis

Journal article  |  2014  |  Malaria Journal

Evaluation of a Novel Magneto-Optical Method for the Detection of Malaria Parasites

Agnes Orban, Adam Butykai, Andras Molnar, Zsofia Proehle, Gergoe Fueloep, Tivadar Zelles, Wasan Forsyth, Danika Hill, Ivo Mueller, Louis Schofield, Maria Rebelo, Thomas Haenscheid, Stephan Karl, Istvan Kezsmarki

Journal article  |  2014  |  PLoS One

Rise and fall of a hybrid zone: implications for the roles of aggression, mate choice, and secondary succession.

Travis R Robbins, Lorelei E Walker, Kelvin D Gorospe, Stephen A Karl, Aaron W Schrey, Earl D McCoy, Henry R Mushinsky

Conference Proceedings  |  2014  |  Journal of Heredity

Hybridization can be an important evolutionary force by generating new species and influencing evolution of parental species in mu..

Infection levels of gastrointestinal parasites in sheep and goats in Papua New Guinea.

M Koinari, S Karl, U Ryan, AJ Lymbery

Journal article  |  2013  |  Journal of Helminthology

Gastrointestinal parasites of livestock cause diseases of important socio-economic concern worldwide. The present study investigat..

Isolation and characterization of eighteen polymorphic microsatellite loci for the topical seagrass, Syringodium isoetifolium

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2013  |  Conservation Genetics Resources

Isolation and characterization of twenty-four polymorphic microsatellite loci for the topical seagrass, Thalassia hemprichii

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2013  |  Conservation Genetics Resources

Identification of novel and zoonotic Cryptosporidium species in fish from Papua New Guinea.

M Koinari, S Karl, J Ng-Hublin, AJ Lymbery, UM Ryan

Journal article  |  2013  |  Veterinary Parasitology

There is still limited information on the distribution of Cryptosporidium species and genotypes in fish. The present study investi..

Isolation and characterization of twenty-one polymorphic microsatellite loci for Polycarpa aurata using third generation sequencing

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2013  |  Conservation Genetics Resources

Genetic relatedness does not retain spatial pattern across multiple spatial scales: dispersal and colonization in the coral, Pocillopora damicornis.

Kelvin D Gorospe, Stephen A Karl

Journal article  |  2013  |  Molecular Ecology

Patterns of isolation by distance are uncommon in coral populations. Here, we depart from historical trends of large-scale, geogra..

The origins of tropical marine biodiversity.

Brian W Bowen, Luiz A Rocha, Robert J Toonen, Stephen A Karl, undefined ToBo Laboratory

Journal article  |  2013  |  Trends in Ecology & Evolution

Recent phylogeographic studies have overturned three paradigms for the origins of marine biodiversity. (i) Physical (allopatric) i..

Isolation and characterization of seventeen polymorphic microsatellite loci for the tropical sea star, Linckia multifora

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2013  |  Conservation Genetics Resources

Isolation and characterization of twenty-six, polymorphic microsatellite loci for the tropical sea urchin, Colobocentrotus atratus

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2013  |  Conservation Genetics Resources

The Iron Distribution and Magnetic Properties of Schistosome Eggshells: Implications for Improved Diagnostics

Stephan Karl, Lucia Gutierrez, Rafael Lucyk-Maurer, Roland Kerr, Renata RF Candido, Shu Q Toh, Martin Saunders, Jeremy A Shaw, Alexandra Suvorova, Andreas Hofmann, Michael J House, Robert C Woodward, Carlos Graeff-Teixera, Timothy G St Pierre, Malcolm K Jones

Journal article  |  2013  |  PLoS Neglected Tropical Diseases

Pandemic influenza in papua new guinea: A modelling study comparison with pandemic spread in a developed country

GJ Milne, P Baskaran, N Halder, S Karl, J Kelso

Journal article  |  2013  |  BMJ Open

Identification of Anisakis species (Nematoda: Anisakidae) in marine fish hosts from Papua New Guinea.

M Koinari, S Karl, A Elliot, U Ryan, AJ Lymbery

Journal article  |  2013  |  Veterinary Parasitology

The third-stage larvae of several genera of anisakid nematodes are important etiological agents for zoonotic human anisakiasis. Th..

Isolation and characterization of twenty-three polymorphic microsatellite loci for Linckia laevigata

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2013  |  Conservation Genetics Resources

First record of the southern ocean sunfish, Mola ramsayi, in the Galápagos Marine Reserve

TM Thys, J Whitney, A Hearn, KC Weng, C Peñaherrera, L Jawad, J Alfaro-Shigueto, JC Mangel, SA Karl

Journal article  |  2013  |  Marine Biodiversity Records

Microsatellites for next-generation ecologists: a post-sequencing bioinformatics pipeline.

Iria Fernandez-Silva, Jonathan Whitney, Benjamin Wainwright, Kimberly R Andrews, Heather Ylitalo-Ward, Brian W Bowen, Robert J Toonen, Erica Goetze, Stephen A Karl

Journal article  |  2013  |  PLoS ONE

Microsatellites are the markers of choice for a variety of population genetic studies. The recent advent of next-generation pyrose..

Isolation and characterization of nineteen microsatellite loci for the collector sea urchin, Tripneustes gratilla

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2012  |  Conservation Genetics Resources

Eighteen microsatellite loci for the crown-of-thorns starfish, Acanthaster planci

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2012  |  Conservation Genetics Resources

Development of 15 microsatellite loci for Protoreaster nodosus (Echinodermata; Asteroidea)

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2012  |  Conservation Genetics Resources

Development of 38 microsatellite loci from the Arceye hawkfish, Paracirrhites arcatus, using next-generation sequencing and cross-amplification in other Cirrhitid species

JL Whitney, SA Karl

Journal article  |  2012  |  Conservation Genetics Resources

Development of eighteen polymorphic microsatellite loci for the banded coral shrimp, Stenopus hispidus

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2012  |  Conservation Genetics Resources

Common misconceptions in molecular ecology: echoes of the modern synthesis.

Stephen A Karl, RJ Toonen, WS Grant, BW Bowen

Journal article  |  2012  |  Molecular Ecology

The field of molecular ecology has burgeoned into a large discipline spurred on by technical innovations that facilitate the rapid..

Extreme population subdivision in the crown conch (Melongena corona): historical and contemporary influences.

Stephen A Karl, Kenneth A Hayes

Journal article  |  2012  |  Journal of Heredity

Organisms with crawl-away larvae are thought to experience highly restricted gene flow. Here, we assess the pattern and magnitude ..

Population genetics of the nurse shark (Ginglymostoma cirratum) in the western Atlantic

SA Karl, ALF Castro, RC Garla

Journal article  |  2012  |  Marine Biology

Mathematical modeling of malaria infection with innate and adaptive immunity in individuals and agent-based communities.

David Gurarie, Stephan Karl, Peter A Zimmerman, Charles H King, Timothy G St Pierre, Timothy ME Davis

Journal article  |  2012  |  PLoS ONE

BACKGROUND: Agent-based modeling of Plasmodium falciparum infection offers an attractive alternative to the conventional Ross-Macd..

Genetically effective population sizes of Antarctic seals estimated from nuclear genes

C Curtis, BS Stewart, SA Karl

Journal article  |  2011  |  Conservation Genetics

Nuclear magnetic resonance: a tool for malaria diagnosis?

Stephan Karl, Lucía Gutiérrez, Michael J House, Timothy ME Davis, Tim G St Pierre

Journal article  |  2011  |  The American Journal of Tropical Medicine and Hygiene

Malaria control can be improved by rapid, sensitive, low-cost detection of infection. Several such strategies are being pursued. R..

Microsatellite loci for the plate-and-pillar coral, Porities rus

V Baranets, ZH Forsman, SA Karl

Journal article  |  2011  |  Conservation Genetics Resources

Genetic diversity and demographic instability in Riftia pachyptila tubeworms from eastern Pacific hydrothermal vents.

D Katharine Coykendall, Shannon B Johnson, Stephen A Karl, Richard A Lutz, Robert C Vrijenhoek

Journal article  |  2011  |  BMC Evolutionary Biology

BACKGROUND: Deep-sea hydrothermal vent animals occupy patchy and ephemeral habitats supported by chemosynthetic primary production..

Phylogeography and conservation of the bull shark (Carcharhinus leucas) inferred from mitochondrial and microsatellite DNA

SA Karl, ALF Castro, JA Lopez, P Charvet, GH Burgess

Journal article  |  2011  |  Conservation Genetics

Short report: Quantification of Plasmodium falciparum gametocytes by magnetic fractionation.

Stephan Karl, Timothy ME Davis, Tim G St Pierre

Journal article  |  2011  |  The American Journal of Tropical Medicine and Hygiene

A method of gametocyte quantitation in human blood was developed based on magnetic fractionation using commercially available magn..

A sub-microscopic gametocyte reservoir can sustain malaria transmission.

Stephan Karl, David Gurarie, Peter A Zimmerman, Charles H King, Tim G St Pierre, Timothy ME Davis

Journal article  |  2011  |  PLoS ONE

BACKGROUND: Novel diagnostic tools, including PCR and high field gradient magnetic fractionation (HFGMF), have improved detection ..

Manufacture and testing of a high field gradient magnetic fractionation system for quantitative detection of Plasmodium falciparum gametocytes

S Karl, RC Woodward, TME Davis, TG St.Pierre

Conference Proceedings  |  2010  |  AIP Conference Proceedings

Satellite tracking the world's largest jelly predator, the ocean sunfish, Mola mola, in the Western Pacific

H Dewar, T Thys, SLH Teo, C Farwell, J O'Sullivan, T Tobayama, M Soichi, T Nakatsubo, Y Kondo, Y Okada, DJ Lindsay, GC Hays, A Walli, K Weng, JT Streelman, SA Karl

Journal article  |  2010  |  Journal of Experimental Marine Biology and Ecology

Parameterization of high magnetic field gradient fractionation columns for applications with Plasmodium falciparum infected human erythrocytes.

Stephan Karl, Timothy ME Davis, Tim G St Pierre

Journal article  |  2010  |  Malaria Journal

BACKGROUND: Magnetic fractionation of erythrocytes infected with Plasmodium falciparum has several research uses including enrichm..

Sequential CD34 cell fractionation by magnetophoresis in a magnetic dipole flow sorter.

Thomas Schneider, Stephan Karl, Lee R Moore, Jeffrey J Chalmers, P Stephen Williams, Maciej Zborowski

Journal article  |  2010  |  The Analyst

Cell separation and fractionation based on fluorescent and magnetic labeling procedures are common tools in contemporary research...

Balancing selection at allozyme loci in oysters: Implications from nuclear RFLPs

SA Karl, JC Avise

Book Chapter  |  2010

Hybridization among the ancient mariners: Characterization of marine turtle hybrids with molecular genetic assays

SA Karl, BW Bowen, JC Avise

Book Chapter  |  2010

A comparative study of a flow-cytometry-based assessment of in vitro Plasmodium falciparum drug sensitivity.

Stephan Karl, Rina Pm Wong, Tim G St Pierre, Timothy Me Davis

Journal article  |  2009  |  Malaria Journal

BACKGROUND: Recently developed Sybr Green-based in vitro Plasmodium falciparum drug sensitivity assays provide an attractive alter..

A comparison of the sensitivities of detection of Plasmodium falciparum gametocytes by magnetic fractionation, thick blood film microscopy, and RT-PCR.

Stephan Karl, Timothy ME Davis, Tim G St-Pierre

Journal article  |  2009  |  Malaria Journal

BACKGROUND: The magnetic properties of Plasmodium-infected erythrocytes have been exploited for different clinical and research pu..

Pleistocene population expansions of Antarctic seals.

Caitlin Curtis, Brent S Stewart, Stephen A Karl

Journal article  |  2009  |  Molecular Ecology

We sequenced a portion (c. 475 bp) of the mitochondrial control region of three species of Antarctic phocid carnivores (Weddell se..

Phylogenetic relationships of crown conchs (Melongena spp.): The corona complex simplified

KA Hayes, SA Karl

Journal article  |  2009  |  Journal of Biogeography

The Polydora cornuta complex (Annelida: Polychaeta) contains populations that are reproductively isolated and genetically distinct

SA Rice, S Karl, KA Rice

Journal article  |  2008  |  Invertebrate Biology

The effect of multiple paternity on the genetically effective size of a population.

Stephen A Karl

Journal article  |  2008  |  Molecular Ecology

With the availability of highly variable microsatellite loci, many previously elusive aspects of the lives of animals have been re..

Enhanced detection of gametocytes by magnetic deposition microscopy predicts higher potential for Plasmodium falciparum transmission

Stephan Karl, Makindi David, Lee Moore, Brian T Grimberg, Pascal Michon, Ivo Mueller, Maciej Zborowski, Peter A Zimmerman

Journal article  |  2008  |  Malaria Journal

Population genetics of the mangrove salt marsh snake, Nerodia clarkii compressicauda, in a linear, fragmented habitat

KP Jansen, HR Mushinsky, SA Karl

Journal article  |  2008  |  Conservation Genetics

Population genetic assignment of confiscated gopher tortoises

TS Schwartz, SA Karl

Journal article  |  2008  |  Journal of Wildlife Management

Population genetic structure of Earth's largest fish, the whale shark (Rhincodon typus).

ALF Castro, BS Stewart, SG Wilson, RE Hueter, MG Meekan, PJ Motta, BW Bowen, SA Karl

Journal article  |  2007  |  Molecular Ecology

Large pelagic vertebrates pose special conservation challenges because their movements generally exceed the boundaries of any sing..

Population genetics and phylogeography of sea turtles.

BW Bowen, SA Karl

Journal article  |  2007  |  Molecular Ecology

The seven species of sea turtles occupy a diversity of niches, and have a history tracing back over 100 million years, yet all sha..

Sexing pinnipeds with ZFX and ZFY loci.

Caitlin Curtis, Brent S Stewart, Stephen A Karl

Journal article  |  2007  |  Journal of Heredity

We developed and tested a protocol for determining the sex of individual pinnipeds using the sex-chromosome-specific genes ZFX and..

A morphological and molecular comparison between Elysia crispata and a new species of kleptoplastic sacoglossan sea slug (Gastropoda: Opisthobranchia) from the Florida Keys, USA

SK Pierce, NE Curtis, SE Massey, AL Bass, SA Karl, CM Finney

Journal article  |  2006  |  Molluscan Research

Contrasting population genetic structures of sympatric, mass-spawning Caribbean corals

EG Severance, SA Karl

Journal article  |  2006  |  Marine Biology

Multiple paternity and breeding system in the gopher tortoise, Gopherus polyphemus.

Jamie C Moon, Earl D McCoy, Henry R Mushinsky, Stephen A Karl

Journal article  |  2006  |  Journal of Heredity

Little is known about the reproductive behaviors and the actual outcomes of mating attempts in the gopher tortoise (Gopherus polyp..

Evolutionary divergence among lineages of the ocean sunfish family, Molidae (Tetraodontiformes)

AL Bass, H Dewar, T Thys, JT Streelman, SA Karl

Journal article  |  2005  |  Marine Biology

Population and conservation genetics of the gopher tortoise (Gopherus polyphemus)

TS Schwartz, SA Karl

Journal article  |  2005  |  Conservation Genetics

Characterization of microsatellite markers from the gastropod genus Melongena

KA Hayes, SA Karl

Journal article  |  2004  |  Molecular Ecology Notes

Genetics and morphology in a Borrichia frutescens and B. arborescens (Asteraceae) hybrid zone

MV Cattell, SA Karl

Journal article  |  2004  |  American Journal of Botany

Single-copy gene markers isolated from the Caribbean coral, Montastraea annularis

EG Severance, AM Szmant, SA Karl

Journal article  |  2004  |  Molecular Ecology Notes

Global population genetic structure and male-mediated gene flow in the green sea turtle (Chelonia mydas): analysis of microsatellite loci.

Mark A Roberts, Tonia S Schwartz, Stephen A Karl

Journal article  |  2004  |  Genetics

We assessed the degree of population subdivision among global populations of green sea turtles, Chelonia mydas, using four microsa..

Microsatellite loci isolated from the Caribbean coral, Montastraea annularis

EG Severance, AM Szmant, SA Karl

Journal article  |  2004  |  Molecular Ecology Notes

Hybridization of the green turtle (Chelonia mydas) and hawksbill turtle (Eretmochelys imbricata) in the Pacific Ocean: Indication of an absence of gender bias in the directionality of crosses

JA Seminoff, SA Karl, T Schwartz, A Resendiz

Journal article  |  2003  |  Bulletin of Marine Science

Microsatellites from the world's heaviest bony fish, the giant Mola mola

JT Streelman, C Puchulutegui, AL Bass, T Thys, H Dewar, SA Karl

Journal article  |  2003  |  Molecular Ecology Notes

Microsatellite loci for the North American tortoises (genus Gopherus) and their applicability to other turtle species

TS Schwartz, M Osentoski, T Lamb, SA Karl

Journal article  |  2003  |  Molecular Ecology Notes

Evolutionary history of the parrotfishes: biogeography, ecomorphology, and comparative diversity.

JT Streelman, M Alfaro, MW Westneat, DR Bellwood, SA Karl

Journal article  |  2002  |  Evolution

The family Scaridae comprises about 90 species of herbivorous coral reef, rock reef, and seagrass fishes. Parrotfishes are importa..

Phylogeography and systematics of the mud turtle, Kinosternon baurii

SA Karl, DS Wilson

Journal article  |  2001  |  Copeia

Evolution of poecilogony and the biogeography of North American populations of the polychaete Streblospio.

SR Schulze, SA Rice, JL Simon, SA Karl

Journal article  |  2000  |  Evolution

Invertebrate interspecific developmental patterns can be highly variable and, taxonomically, are considered only weakly constraine..

The bounded complexity of DNA computing.

MH Garzon, N Jonoska, SA Karl

Journal article  |  1999  |  Biosystems

This paper proposes a new approach to analyzing DNA-based algorithms in molecular computation. Such protocols are characterized ab..

In war, truth is the first casualty

BW Bowen, SA Karl

Journal article  |  1999  |  Conservation Biology

Three dimensional DNA structures in computing.

N Jonoska, SA Karl, M Saito

Journal article  |  1999  |  Biosystems

We show that 3-dimensional graph structures can be used for solving computational problems with DNA molecules. Vertex building blo..

Evolutionary significant units versus geopolitical taxonomy: Molecular systematics of an endangered sea turtle (genus Chelonia)

SA Karl, BW Bowen

Journal article  |  1999  |  Conservation Biology

Multilocus phylogeny of cichlid fishes (Pisces: Perciformes): evolutionary comparison of microsatellite and single-copy nuclear loci.

JT Streelman, R Zardoya, A Meyer, SA Karl

Journal article  |  1998  |  Molecular Biology and Evolution

Among vertebrates, cichlid fishes are the paradigmatic example of adaptive radiation and ecological specialization. In turn, molec..

Paradigms and the rise (or fall?) of molecular biology.

JT Streelman, SA Karl

Journal article  |  1997  |  Nature Biotechnology

Reconstructing labroid evolution with single-copy nuclear DNA

JT Streelman, SA Karl

Journal article  |  1997  |  Proceedings of the Royal Society of London. Series B: Biological Sciences

Ligation experiments in computing with DNA

N Jonoska, SA Karl

Conference Proceedings  |  1997  |  Proceedings of the IEEE Conference on Evolutionary Computation, ICEC

Molecular analysis of gene flow in the hydrothermal vent clam (Calyptogena magnifica)

SA Karl, S Schutz, D Desbruyères, R Lutz, RC Vrijenhoek

Journal article  |  1996  |  Molecular Marine Biology and Biotechnology

Evolutionary conservation of microsatellite flanking regions and their use in resolving the phylogeny of cichlid fishes (Pisces: Perciformes)

R Zardoya, DM Vollmer, C Craddock, JT Streelman, S Karl, A Meyer

Journal article  |  1996  |  Proceedings of the Royal Society of London. Series B: Biological Sciences

Anonymous nuclear DNA markers in the American oyster and their implications for the heterozygote deficiency phenomenon in marine bivalves

MP Hare, SA Karl, JC Avise

Journal article  |  1996  |  Molecular Biology and Evolution

Hybridization among the ancient mariners: characterization of marine turtle hybrids with molecular genetic assays.

SA Karl, BW Bowen, JC Avise

Journal article  |  1995  |  Journal of Heredity

Reports of hybridization between marine turtle species (family Cheloniidae) have been difficult to authenticate based solely on mo..

PCR-based assays of mendelian polymorphisms from anonymous single-copy nuclear DNA: techniques and applications for population genetics.

SA Karl, JC Avise

Journal article  |  1993  |  Molecular Biology and Evolution

This paper outlines a PCR-based approach for population genetics that offers several advantages over conventional Southern blottin..

Global population genetic structure and male-mediated gene flow in the green turtle (Chelonia mydas): RFLP analyses of anonymous nuclear loci.

SA Karl, BW Bowen, JC Avise

Journal article  |  1992  |  Genetics

We introduce an approach for the analysis of Mendelian polymorphisms in nuclear DNA (nDNA), using restriction fragment patterns fr..

Balancing selection at allozyme loci in oysters: implications from nuclear RFLPs.

SA Karl, JC Avise

Journal article  |  1992  |  Science

Population genetic analyses that depend on the assumption of neutrality for allozyme markers are used widely. Restriction fragment..