Joanne Allen

Genomic characterisation of an entomopathogenic strain of Serratia ureilytica in the critically endangered phasmid Dryococelus australis

Joanne L Allen, Nicholas P Doidge, Christina Cheng, Michael Lynch, Helen K Crabb, Jean-Pierre Scheerlinck, Rhys Bushell, Glenn F Browning, Marc S Marenda

Journal article  |  2022  |  PLOS ONE

Between 2014 and 2019, unexpected mortalities were observed in a colony of Dryococelus australis, an endangered stick-insect kept ..

Healthcare-associated infections caused by chlorhexidine-tolerant Serratia marcescens carrying a promiscuous IncHI2 multi-drug resistance plasmid in a veterinary hospital

Joanne L Allen, Nicholas P Doidge, Rhys N Bushell, Glenn F Browning, Marc S Marenda

Journal article  |  2022  |  PLOS ONE

The bacterium Serratia marcescens can cause opportunistic infections in humans and in animals. In veterinary settings, the diversi..

Globetrotting strangles: the unbridled national and international transmission of Streptococcus equi between horses

Catriona Mitchell, Karen F Steward, Amelia RL Charbonneau, Saoirse Walsh, Hayley Wilson, John F Timoney, Ulli Wernery, Marina Joseph, David Craig, Kees van Maanen, Annelies Hoogkamer- van Gennep, Albertine Leon, Lucjan Witkowski, Magdalena Rzewuska, Ilona Stefanska, Monika Zychska, Gunther van Loon, Ray Cursons, Olivia Patty, Els Acke, et al.

Journal article  |  2021  |  MICROBIAL GENOMICS

The equine disease strangles, which is characterized by the formation of abscesses in the lymph nodes of the head and neck, is one..

Traditional Salmonella Typhimurium typing tools (phage typing and MLVA) are sufficient to resolve well-defined outbreak events only

Helen Kathleen Crabb, Joanne Lee Allen, Joanne Maree Devlin, Simon Matthew Firestone, Mark Stevenson, Colin Reginald Wilks, James Rudkin Gilkerson

Journal article  |  2019  |  FOOD MICROBIOLOGY

Between 1991 and 2014 the per capita notification rate of salmonellosis in Australia increased from 31.9 to 69.7 cases per 100,000..

Spatial Distribution of Salmonella enterica in Poultry Shed Environments Observed by Intensive Longitudinal Environmental Sampling

Helen K Crabb, Joanne Lee Allen, Joanne Maree Devlin, Cohn Reginald Wilks, James Rudkin Gilkerson

Journal article  |  2019  |  Applied and Environmental Microbiology

Detection of salmonellae within poultry environments is an important component of many food safety programs, but sampling approach..

Serological responses of Australian horses using a commercial duplex indirect ELISA following vaccination against strangles

CM El-Hage, H Bannai, AK Wiethoelter, SM Firestone, CM Heislers, JL Allen, AS Waller, JR Gilkerson

Journal article  |  2019  |  AUSTRALIAN VETERINARY JOURNAL

Objective To determine the nature of serological responses in Australian horses using a commercial duplex indirect ELISA (iELISA) ..

Salmonella spp. transmission in a vertically integrated poultry operation: Clustering and diversity analysis using phenotyping (serotyping, phage typing) and genotyping (MLVA)

Helen Kathleen Crabb, Joanne Lee Allen, Joanne Maree Devlin, Simon Matthew Firestone, Colin Reginald Wilks, James Rudkin Gilkerson

Journal article  |  2018  |  PLOS ONE

The transmission of Salmonella enterica within a vertically integrated poultry operation was investigated longitudinally over an 1..

First detection of bovine noroviruses and detection of bovine coronavirus in Australian dairy cattle

SJ Symes, JL Allen, PD Mansell, KL Woodward, KE Bailey, JR Gilkerson, GF Browning

Journal article  |  2018  |  AUSTRALIAN VETERINARY JOURNAL

BACKGROUND AND OBJECTIVE: Noroviruses have been recognised as a significant cause of neonatal enteritis in calves in many countrie..

The use of social network analysis to examine the transmission of Salmonella spp. within a vertically integrated broiler enterprise

Helen Kathleen Crabb, Joanne Lee Allen, Joanne Maree Devlin, Simon Matthew Firestone, Mark Anthony Stevenson, James Rudkin Gilkerson

Journal article  |  2018  |  FOOD MICROBIOLOGY

To better understand factors influencing infectious agent dispersal within a livestock population information is needed on the nat..

A bacteriological disease investigation in a captive breeding colony of Lord Howe Island Stick insects (Dryococelus australis)

Christina Cheng

Thesis / Dissertation  |  2017

The Lord Howe Island stick insect (Dryococelus australis) is critically endangered in the wild. Once driven to near-extinction, th..