Relevant bibliographies by topics / Phosphorelais EnvZ

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Phosphorelais EnvZ'

Author: Grafiati
Published: 15 June 2024
Last updated: 31 July 2025

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Journal articles on the topic "Phosphorelais EnvZ"

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Hagen, Kari D., and John C. Meeks. "Biochemical and Genetic Evidence for Participation of DevR in a Phosphorelay Signal Transduction Pathway Essential for Heterocyst Maturation in Nostoc punctiforme ATCC 29133." Journal of Bacteriology 181, no. 14 (1999): 4430–34. http://dx.doi.org/10.1128/jb.181.14.4430-4434.1999.

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ABSTRACT In a test of the hypothesis that DevR is a response regulator protein that functions in a phosphorelay signal transduction system involved in heterocyst development in Nostoc punctiformeATCC 29133, purified affinity-tagged DevR was shown to be phosphorylated in vitro by the noncognate sensor kinase EnvZ. Site-directed mutagenesis was used to generate N. punctiforme mutants with single amino acid substitutions at the putative phosphorylation site of DevR. These mutants exhibited a Fox− phenotype like the original devRinsertion mutant UCD 311, consistent with a phosphotransferase role f
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Matsubara, Masahiro, Shin-ichi Kitaoka, Shin-ichiro Takeda, and Takeshi Mizuno. "Tuning of the porin expression under anaerobic growth conditions by His-to-Asp cross-phosphorelay through both the EnvZ-osmosensor and ArcB-anaerosensor in Escherichia coli." Genes to Cells 5, no. 7 (2000): 555–69. http://dx.doi.org/10.1046/j.1365-2443.2000.00347.x.

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3

Sardesai, Abhijit A., and J. Gowrishankar. "trans-Acting Mutations in Loci Other than kdpDE That Affect kdp Operon Regulation inEscherichia coli: Effects of Cytoplasmic Thiol Oxidation Status and Nucleoid Protein H-NS on kdpExpression." Journal of Bacteriology 183, no. 1 (2001): 86–93. http://dx.doi.org/10.1128/jb.183.1.86-93.2001.

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ABSTRACT Transcription of the K+ transport operonkdp in Escherichia coli is induced during K+-limited growth by the action of a dual-component phosphorelay regulatory system comprised of a sensor kinase (integral membrane protein), KdpD, and a DNA-binding response regulator (cytoplasmic protein), KdpE. In this study, we screened for newdke (named dke for decreased kdpexpression) mutations (in loci other than kdpDE) that led to substantially decreased kdp expression. Onedke mutation was shown to be in hns, encoding the nucleoid protein H-NS. Another dke mutation was mapped to trxB (encoding thi
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4

Li, Shuyu, Hong Liang, Zhiyan Wei, et al. "An Osmoregulatory Mechanism Operating through OmpR and LrhA Controls the Motile-Sessile Switch in the Plant Growth-Promoting BacteriumPantoea alhagi." Applied and Environmental Microbiology 85, no. 10 (2019). http://dx.doi.org/10.1128/aem.00077-19.

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ABSTRACTAdaptation to osmotic stress is crucial for bacterial growth and survival in changing environments. Although a large number of osmotic stress response genes have been identified in various bacterial species, how osmotic changes affect bacterial motility, biofilm formation, and colonization of host niches remains largely unknown. In this study, we report that the LrhA regulator is an osmoregulated transcription factor that directly binds to the promoters of theflhDC,eps, andopgGHoperons and differentially regulates their expression, thus inhibiting motility and promoting exopolysacchari
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Kenney, Linda J. "How Can a Histidine Kinase Respond to Mechanical Stress?" Frontiers in Microbiology 12 (July 15, 2021). http://dx.doi.org/10.3389/fmicb.2021.655942.

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Bacteria respond to physical forces perceived as mechanical stress as part of their comprehensive environmental sensing strategy. Histidine kinases can then funnel diverse environmental stimuli into changes in gene expression through a series of phosphorelay reactions. Because histidine kinases are most often embedded in the inner membrane, they can be sensitive to changes in membrane tension that occurs, for example, in response to osmotic stress, or when deformation of the cell body occurs upon encountering a surface before forming biofilms, or inside the host in response to shear stress in
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6

Meng, Jiao, Jiaqi Bai, Junhong Xu, Can Huang, and Jingyu Chen. "Differential regulation of physiological activities by RcsB and OmpR in Yersinia enterocolitica." FEMS Microbiology Letters 366, no. 17 (2019). http://dx.doi.org/10.1093/femsle/fnz210.

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ABSTRACT A thorough understanding of the mechanisms of Rcs and EnvZ/OmpR phosphorelay systems that allow Yersinia enterocolitica to thrive in various environments is crucial to prevent and control Y. enterocolitica infections. In this study, we showed that RcsB and OmpR have the ability to function differently in modulating a diverse array of physiological processes in Y. enterocolitica. The rcsB mutant stimulated flagella biosynthesis and increased motility, biofilm formation and c-di-GMP production by upregulating flhDC, hmsHFRS and hmsT. However, mutation in ompR exhibited a non-motile phen
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Dissertations / Theses on the topic "Phosphorelais EnvZ"

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Caby, Marine. "Rôle du phosphorelais EnvZ/OmpR chez la bactérie phytopathogène Dickeya dadantii." Thesis, Lille 1, 2020. http://www.theses.fr/2020LIL1S108.

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Au cours de leur vie, les bactéries pathogènes sont confrontées à de nombreuses variations environnementales souvent appelées stress, notamment au cours du processus infectieux. Pour survivre et coloniser avec succès son hôte, la bactérie doit percevoir ce nouvel et hostile environnement pour s'y adapter rapidement. C'est le rôle principal assigné aux phosphorelais. Ces systèmes sont composés d'un couple capteur/régulateur. Sous l'action d'un stimulus, le capteur s'autophosphoryle et transmet son phosphate au régulateur, qui module l’activité d’un ensemble de gènes cibles perme
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2

Cochard, Clémence. "Régulation fine du système EnvZ/OmpR chez Dickeya dadantii : clef d'une infection réussie." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILS109.

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Tout au long de sa vie, la bactérie doit faire face à de nombreuses variations de l'environnement. Elle doit s'y adapter rapidement et efficacement afin de survivre. Pour cela, elle dispose des phosphorelais, ou systèmes à deux composants qui sont les outils moléculaires majeurs permettant la perception et l'adaptation de l'environnement chez les bactéries. Ils sont composés d'un capteur et d'un régulateur associé. Suite à la perception d'un stimulus, le capteur s'autophosphoryle et transmet le groupement phosphate au régulateur qui va alors moduler l'expression de l'ensemble des gènes cibles,
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