نتایج جستجو برای: ahl al

تعداد نتایج: 443740  

Journal: :Applied and environmental microbiology 2001
A Steidle K Sigl R Schuhegger A Ihring M Schmid S Gantner M Stoffels K Riedel M Givskov A Hartmann C Langebartels L Eberl

Given that a large proportion of the bacteria colonizing the roots of plants is capable of producing N-acyl-L-homoserine lactone (AHL) molecules, it appears likely that these bacterial pheromones may serve as signals for communication between cells of different species. In this study, we have developed and characterized novel Gfp-based monitor strains that allow in situ visualization of AHL-med...

Journal: :Theor. Comput. Sci. 2012
Karsten Gabriel Hartmut Ehrig

Algebraic High-Level (AHL) nets are a well-known modelling technique based on Petri nets with algebraic data types, which allows to model the communication structure and the data flow within one modelling framework. Transformations of AHL-nets – inspired by the theory of graph transformations – allow in addition to modify the communication structure. Moreover, high-level processes of AHL-nets c...

Journal: :Jurnal Kajian Agama Hukum dan Pendidikan Islam (KAHPI) 2021

Journal: :Bioscience, biotechnology, and biochemistry 2013
Seiji Ochiai Tomohiro Morohoshi Ayane Kurabeishi Masahiro Shinozaki Haruka Fujita Isao Sawada Tsukasa Ikeda

N-Acylhomoserine lactones (AHLs) function as quorum-sensing signaling molecules in many Gram-negative bacteria. We isolated a total of 672 bacterial strains from activated sludge obtained from seven sewage treatment plants in Tochigi Prefecture, Japan, and screened for AHL-producing and degrading strains. Isolates (n = 107) stimulated AHL-mediated purple pigment production in AHL reporter strai...

2015
Susanne Maurer Guido H. Wabnitz Nadine A. Kahle Sabine Stegmaier Birgit Prior Thomas Giese Matthias Martin Gaida Yvonne Samstag Gertrud Maria Hänsch

Bacteria communicate with one another via specialized signaling molecules, known as quorum sensing molecules or autoinducers. The Pseudomonas aeruginosa-derived quorum sensing molecule N-(3-oxododecanoyl)-l-homoserine lactone (AHL-12), however, also activates mammalian cells. As shown previously, AHL-12-induced chemotaxis, up-regulated CD11b expression, and enhanced phagocytosis of polymorphonu...

Journal: :Journal of bacteriology 2013
John H Kimbrough Eric V Stabb

Two distinct but interrelated pheromone-signaling systems, LuxI/LuxR and AinS/AinR, positively control bioluminescence in Vibrio fischeri. Although each system generates an acyl-homoserine lactone (AHL) signal, the protein sequences of LuxI/LuxR and AinS/AinR are unrelated. AinS and LuxI generate the pheromones N-octanoyl-AHL (C8-AHL) and N-3-oxo-hexanoyl-AHL (3OC6-AHL), respectively. LuxR is a...

Knowledge production at any moment in history is the result of the powerful historical agent’s role. Therefore, considering the proportion of knowledge and power would have a fundamental significance in the historical period’s discourse atmosphere recognition. According to the assumption that knowledge implies everything that users of a community deem as knowledge, this article considers the pr...

Journal: :Molecular plant-microbe interactions : MPMI 2010
J T Noel J Joy J N Smith M Fatica K R Schneider B M M Ahmer M Teplitski

Genomes of Salmonella enterica isolates, including those linked to outbreaks of produce-associated gastroenteritis, contain sdiA, which encodes a receptor of N-acyl homoserine lactones (AHL). AHL are the quorum-sensing signals used by bacteria to coordinately regulate gene expression within -their populations. Because S. enterica does not produce its own AHL, SdiA is hypothesized to function in...

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