Results 31 to 40 of about 3,982,340 (252)

Parasite variation and the evolution of virulence in a Daphnia-microparasite system [PDF]

, 2008
Understanding genetic relationships amongst the life-history traits of parasites is crucial for testing hypotheses on the evolution of virulence. This study therefore examined variation between parasite isolates (the bacterium Pasteuria ramosa) from the ...
Little, T. J., Chadwick, W., Watt, K.
core   +1 more source

Promise and limitations of 18S genetic screening of extracted fecal DNA from wild capuchins

Frontiers in Ecology and Evolution, 2023
Genomic screening of fecal DNA provides insight into diet, parasite infection dynamics, and other aspects of the ecology and pathogens of wild populations.
Swellan Luciann Pinto, Swellan Luciann Pinto, Megan Carvalho Henriquez, Megan Carvalho Henriquez, Megan Carvalho Henriquez, Megan Carvalho Henriquez, Saul Cheves Hernandez, Gwen Duytschaever, Janneke Wit, Janneke Wit, Russell William Avramenko, Russell William Avramenko, John Stuart Gilleard, John Stuart Gilleard, Joseph Daniel Orkin, Joseph Daniel Orkin, Amanda Dawn Melin, Amanda Dawn Melin, Amanda Dawn Melin, Amanda Dawn Melin   +19 more
doaj   +1 more source

Targeted Knockout of the Rickettsia rickettsii OmpA Surface Antigen Does Not Diminish Virulence in a Mammalian Model System

mBio, 2015
Strains of Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever (RMSF), differ dramatically in virulence despite >99% genetic homology.
Nicholas F. Noriea, Tina R. Clark, Ted Hackstadt   +2 more
doaj   +1 more source

Integration of ITS-2 rDNA nemabiome metabarcoding with Fecal Egg Count Reduction Testing (FECRT) reveals ivermectin resistance in multiple gastrointestinal nematode species, including hypobiotic Ostertagia ostertagi, in western Canadian beef cattle

International Journal for Parasitology: Drugs and Drug Resistance, 2023
A large-scale Fecal Egg Count Reduction Test (FECRT) was integrated with ITS-2 rDNA nemabiome metabarcoding to investigate anthelmintic resistance in gastrointestinal nematode (GIN) parasites in western Canadian beef cattle.
Eranga L. De Seram, Fabienne D. Uehlinger, Camila de Queiroz, Elizabeth M. Redman, John R. Campbell, Drue Nooyen, Arianna Morisetti, Colleen M. Pollock, Samantha Ekanayake, Gregory B. Penner, John S. Gilleard   +10 more
doaj   +1 more source

Ecological factors affect host-parasite coevolution [PDF]

, 2021
Host-parasite interactions often fuel coevolutionary change. However, parasitism is one of a myriad of possible ecological interactions in nature. Biotic (e.g., predation) and abiotic (e.g., temperature) variation can amplify or dilute parasitism as a ...
Auld, Stuart, Paplauskas, Sam, Brand, June   +2 more
core   +1 more source

Discovery of RUF6 ncRNA–interacting proteins involved in P. falciparum immune evasion

Life Science Alliance, 2023
An RNA-directed proteomic discovery (ChIRP-MS) protocol is used to identify in vivo RUF6 ncRNA–protein interactions that sustain virulence genes in the human malaria parasite, Plasmodium falciparum .
Gretchen M Diffendall, Anna Barcons-Simon, Sebastian Baumgarten, Florent Dingli, Damarys Loew, Artur Scherf   +5 more
doaj   +1 more source

The Rickettsial Ankyrin Repeat Protein 2 Is a Type IV Secreted Effector That Associates with the Endoplasmic Reticulum

mBio, 2018
Strains of Rickettsia rickettsii, the tick-borne agent of Rocky Mountain spotted fever, vary considerably in virulence. Genomic comparisons of R. rickettsii strains have identified a relatively small number of genes divergent in an avirulent strain ...
Stephanie S. Lehman, Nicholas F. Noriea, Karin Aistleitner, Tina R. Clark, Cheryl A. Dooley, Vinod Nair, Simran Jeet Kaur, M. Sayeedur Rahman, Joseph J. Gillespie, Abdu F. Azad, Ted Hackstadt   +10 more
doaj   +1 more source

Functional Characterization of the m ⁶ A-Dependent Translational Modulator PfYTH.2 in the Human Malaria Parasite

mBio, 2021
Infection with the unicellular eukaryotic pathogen Plasmodium ...
Ameya Sinha, Sebastian Baumgarten, Amy Distiller, Emma McHugh, Patty Chen, Meetali Singh, Jessica M. Bryant, Jiaqi Liang, Germano Cecere, Peter C. Dedon, Peter R. Preiser, Stuart A. Ralph, Artur Scherf   +12 more
doaj   +1 more source

Profiling the macrofilaricidal effects of flubendazole on adult female Brugia malayi using RNAseq

International Journal for Parasitology: Drugs and Drug Resistance, 2016
The use of microfilaricidal drugs for the control of onchocerciasis and lymphatic filariasis (LF) necessitates prolonged yearly dosing. Prospects for elimination or eradication of these diseases would be enhanced by the availability of a macrofilaricidal
Maeghan O'Neill, Cristina Ballesteros, Lucienne Tritten, Erica Burkman, Weam I. Zaky, Jianguo Xia, Andrew Moorhead, Steven A. Williams, Timothy G. Geary   +8 more
doaj   +1 more source

Current Treatments to Control African Trypanosomiasis and One Health Perspective

Microorganisms, 2022
Human African Trypanosomiasis (HAT, sleeping sickness) and Animal African Trypanosomiasis (AAT) are neglected tropical diseases generally caused by the same etiological agent, Trypanosoma brucei.
Alberto Venturelli, Lorenzo Tagliazucchi, Clara Lima, Federica Venuti, Giulia Malpezzi, George E. Magoulas, Nuno Santarem, Theodora Calogeropoulou, Anabela Cordeiro-da-Silva, Maria Paola Costi   +9 more
doaj   +1 more source