Stephan Karl

Magneto-optical diagnosis of symptomatic malaria in Papua New Guinea.

L Arndt, T Koleala, Á Orbán, C Ibam, E Lufele, L Timinao, L Lorry, Á Butykai, P Kaman, AP Molnár, S Krohns, E Nate, I Kucsera, E Orosz, B Moore, LJ Robinson, M Laman, I Kézsmárki, S Karl

Journal article  |  2021  |  Nature Communications

Improved methods for malaria diagnosis are urgently needed. Here, we evaluate a novel method named rotating-crystal magneto-optica..

Population genetic structure in the coral reef associated ascidian, Polycarpa aurata, throughout Wallacea, Indonesia

BJ Wainwright, IS Arlyza, SA Karl

Journal article  |  2020  |  Regional Studies in Marine Science

Rapid and quantitative antimalarial drug efficacy testing via the magneto-optical detection of hemozoin.

Petra Molnár, Ágnes Orbán, Richard Izrael, Réka Babai, Lívia Marton, Ádám Butykai, Stephan Karl, Beáta G Vértessy, István Kézsmárki

Journal article  |  2020  |  Scientific Reports

Emergence of resistant Plasmodium species makes drug efficacy testing a crucial part of malaria control. Here we describe a novel ..

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..

Is post-bleaching recovery of Acropora hyacinthus on Palau via spread of local kin groups?

A Cros, R Toonen, SA Karl

Journal article  |  2020  |  Coral Reefs

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  |  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..