Results 11 to 20 of about 674,293 (317)

Host specificity and genetics of host resistance in the "Daphnia-Pasteuria" host-parasite system [PDF]

open access: yes, 2012
Antagonistic coevolution plays an important role in a large number of evolutionary and ecological phenomena. Furthermore, according to the Red Queen Theory coevolution between hosts and their parasites may explain the maintenance of sexual reproduction ...
Luijckx, Pepijn
core   +1 more source

Variation in resistance to multiple pathogen species:anther-smuts of Silene uniflora [PDF]

open access: yes, 2012
The occurrence of multiple pathogen species on a shared host species is unexpected when they exploit the same micro-niche within the host. One explanation for such observations is the evolution of pathogen-specific resistances that segregate the host ...
Pedersen, Amy   +4 more
core   +1 more source

Oestrogens and Host Resistance [PDF]

open access: yesJournal of the Royal Society of Medicine, 1980
The literature is searched for references to studies dealing with the immunobiological effects of pregnancy and other instances of increased estrogenic production in humans and various animal species. In the human female the estrogen-related metabolic changes associated with pregnancy and reproduction have widespread effects on host tolerance of the ...
openaire   +2 more sources

Cryptococcus gattii: An Emerging Cause of Fungal Disease in North America

open access: yesInterdisciplinary Perspectives on Infectious Diseases, 2009
During the latter half of the twentieth century, fungal pathogens such as Cryptococcus neoformans were increasingly recognized as a significant threat to the health of immune compromised populations throughout the world.
Ashwin Dixit   +2 more
doaj   +1 more source

Vivax malaria in Duffy-negative patients shows invariably low asexual parasitaemia: implication towards malaria control in Ethiopia

open access: yesMalaria Journal, 2022
Background The increase in detections of Plasmodium vivax infection in Duffy-negative individuals in Africa has challenged the dogma establishing the unique P. vivax Duffy Binding Protein-Duffy antigen receptor for chemokines (PvDBP-DARC) pathway used by
Andargie Abate   +6 more
doaj   +1 more source

MatGel: A MATLAB program for quantitative analysis of 2D polyacrylamide electrophoresis (2D-PAGE) protein gel images

open access: yesMethodsX, 2022
Two-dimensional polyacrylamide gel electrophoresis (2D-PAGE) is widely used in proteomics studies. Hundreds of proteins extracted from a biological sample can be separated and visualized on a 2D-PAGE gel.
Alka Tiwari   +2 more
doaj   +1 more source

A Histological Study of Aspergillus flavus Colonization of Wound Inoculated Maize Kernels of Resistant and Susceptible Maize Hybrids in the Field

open access: yesFrontiers in Microbiology, 2018
Aspergillus flavus colonization in developing kernels of maize single-cross hybrids resistant (Mp313E × Mp717) and susceptible (GA209 × T173) to aflatoxin accumulation was determined in the field over three growing seasons (2012–2014).
Gary L. Windham   +4 more
doaj   +1 more source

Survey of Candidate Genes for Maize Resistance to Infection by Aspergillus flavus and/or Aflatoxin Contamination

open access: yesToxins, 2018
Many projects have identified candidate genes for resistance to aflatoxin accumulation or Aspergillus flavus infection and growth in maize using genetic mapping, genomics, transcriptomics and/or proteomics studies.
Leigh K. Hawkins   +7 more
doaj   +1 more source

Aflatoxin Accumulation in a Maize Diallel Cross

open access: yesAgriculture, 2015
Aflatoxins, produced by the fungus Aspergillus flavus, occur naturally in maize. Contamination of maize grain with aflatoxin is a major food and feed safety problem and greatly reduces the value of the grain.
W. Paul Williams, Gary L. Windham
doaj   +1 more source

Comparison of Two Inoculation Methods for Evaluating Maize for Resistance to Aspergillus flavus Infection and Aflatoxin Accumulation

open access: yesInternational Journal of Agronomy, 2013
Aflatoxin, the most potent carcinogen found in nature, is produced by the fungus Aspergillus flavus and occurs naturally in maize, Zea mays L. Growing maize hybrids with genetic resistance to aflatoxin contamination are generally considered a highly ...
W. Paul Williams   +4 more
doaj   +1 more source

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