نتایج جستجو برای: الگوریتم sara

تعداد نتایج: 24981  

Journal: :Antimicrobial agents and chemotherapy 2009
Elizabeth C Weiss Horace J Spencer Sonja J Daily Brian D Weiss Mark S Smeltzer

Mutation of the staphylococcal accessory regulator (sarA) in Staphylococcus aureus limits but does not abolish the capacity of the organism to form a biofilm. As a first step toward determining whether this limitation is therapeutically relevant, we carried out in vitro studies comparing the relative susceptibility of an S. aureus clinical isolate (UAMS-1) and its isogenic sarA mutant (UAMS-929...

2012
John M. Morrison Kelsi L. Anderson Karen E. Beenken Mark S. Smeltzer Paul M. Dunman

The modulation of mRNA turnover is gaining recognition as a mechanism by which Staphylococcus aureus regulates gene expression, but the factors that orchestrate alterations in transcript degradation are poorly understood. In that regard, we previously found that 138 mRNA species, including transcripts coding for the virulence factors protein A (spa) and collagen-binding protein (cna), are stabi...

Journal: :Applied and environmental microbiology 2005
Meryl A Davis Marion C Askin Michael J Hynes

The filamentous fungus Aspergillus nidulans can use a wide range of compounds as nitrogen sources. The synthesis of the various catabolic enzymes needed to breakdown these nitrogen sources is regulated by the areA gene, which encodes a GATA transcription factor required to activate gene expression under nitrogen-limiting conditions. The areA102 mutation results in pleiotropic effects on nitroge...

2017
Junfei Guo Guangjun Chang Kai Zhang Lei Xu Di Jin Muhammad Shahid Bilal Xiangzhen Shen

Rumen-derived lipopolysaccharide (LPS) is translocated from the rumen into the bloodstream when subacute ruminal acidosis (SARA) occurs following long-term feeding with a high-concentrate (HC) diet in dairy cows. The objective of this study was to investigate the mechanism of inflammatory responses in the liver caused by HC diet feeding. We found that SARA was induced in dairy cows when rumen p...

2017
Renee M Petri Poulad Pourazad Ratchaneewan Khiaosa-Ard Fenja Klevenhusen Barbara U Metzler-Zebeli Qendrim Zebeli

Subacute rumen acidotic (SARA) conditions are a consequence of high grain feeding. Recent work has shown that the pattern of grain feeding can significantly impact the rumen epimural microbiota. In a continuation of these works, the objective of this study was to determine the role of grain feeding patterns on the colonization and associated changes in predicted functional properties of the fib...

Journal: :Infection and immunity 1997
A L Cheung K Eberhardt J H Heinrichs

The synthesis of protein A in Staphylococcus aureus is regulated by global regulatory loci such as sar and agr. Phenotypic data indicate that both sar and agr suppress protein A synthesis; like agr, sar also regulates protein A production at the transcriptional level. To determine the genetic requirement of sar in protein A suppression, we transformed shuttle plasmids containing various sar fra...

2012
WallaCe goodman

Sara Wallace Goodman World Politics / Volume 64 / Issue 04 / October 2012, pp 659 ­ 698 DOI: 10.1017/S0043887112000184, Published online: Link to this article: http://journals.cambridge.org/abstract_S0043887112000184 How to cite this article: Sara Wallace Goodman (2012). Fortifying Citizenship: Policy Strategies for Civic Integration in Western Europe. World Politics, 64, pp 659­698 doi:10.1017...

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