نتایج جستجو برای: pathogen growth
تعداد نتایج: 876827 فیلتر نتایج به سال:
Phytophthora infestans is a pathogen that causes late blight, major disease of potatoes. The isolation P. from infected potato plants using agar media has been challenging. This study investigated the use Rye A and B for tubers collected Nilgiris district Tamil Nadu during 2022. were evaluated hyphal growth, sporangial production, oospore formation, long-term storage infestans. Phenotypic diagn...
root rot and vine decline caused by monosporascus cannonballus is a major challenge for melon production world-wide. in recent years, a disease suggested to be related to this pathogen was observed 1-2 weeks prior to harvest in many melon production areas across iran. in this study, melon plants with symptoms of chlorosis, wilting, decline and/or sudden death were collected from melon growing a...
126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...
Skeletal muscle demonstrates great plasticity in response to environmental and hormonal factors including pathogen-associated molecules, inflammatory cytokines, and growth factors. These signals impinge on muscle by forcing individual muscle fibers to either grow or atrophy. We recently demonstrated that skeletal muscle cells express multiple Toll-like receptors (TLR) that recognize bacterial c...
Vaccine-induced high-avidity IgA can protect against bacterial enteropathogens by directly neutralizing virulence factors or by poorly defined mechanisms that physically impede bacterial interactions with the gut tissues ('immune exclusion'). IgA-mediated cross-linking clumps bacteria in the gut lumen and is critical for protection against infection by non-typhoidal Salmonella enterica subspeci...
Given the importance of Listeria monocytogenes as a risk factor in meat and poultry products, there is a need to evaluate the relative robustness of predictive growth models applied to meat products. The U.S. Department of Agriculture-Agricultural Research Service Pathogen Modeling Program is a tool widely used by the food industry to estimate pathogen growth, survival, and inactivation in food...
Moniliophthora perniciosa is the causative agent of witches' broom disease in Theobroma cacao. Exogenously provided abscisic acid (ABA), indole-3-acetic acid (IAA), jasmonic acid (JA), and salicylic acid (SA) promoted mycelial growth, suggesting the ability of the pathogen to metabolize plant hormones. ABA, IAA, JA, and SA were found endogenously in the mycelium and in the fruiting body of the ...
We study a previously introduced mathematical model of amensalistic control of the foodborne pathogen Listeria monocytogenes by the generally regarded as safe lactic acid bacteria Lactococcus lactis in a chemostat setting under nutrient rich growth conditions. The control agent produces lactic acids and thus affects pH in the environment such that it becomes detrimental to the pathogen while it...
Plant roots can establish associations with neutral, beneficial and pathogenic groups of soil organisms. Although it has been recognized from the study of individual isolates that these associations are individually important for plant growth, little is known about interactions of whole assemblages of beneficial and pathogenic microorganisms associating with plants.We investigated the influence...
Relationships between the host phenotype and pathogen infection are assumed to reflect either causes or consequences of the infection. In fact, these processes are likely to co-occur, even in the same phenotypic traits. For example, hosts with high ingestion rates have a higher growth rate but are also more infected by trophically transmitted pathogens that subsequently reduce the host growth r...
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