Results 51 to 60 of about 96,079 (210)

A New Acyl-homoserine Lactone Molecule Generated by Nitrobacter winogradskyi [PDF]

Scientific Reports, 2016
AbstractIt is crucial to reveal the regulatory mechanism of nitrification to understand nitrogen conversion in agricultural systems and wastewater treatment. In this study, the nwiI gene of Nitrobacter winogradskyi was confirmed to be a homoserine lactone synthase by heterologous expression in Escherichia coli that synthesized several acyl-homoserine ...
Qiuxuan Shen, Jie Gao, Jun Liu, Shuangjiang Liu, Zijun Liu, Yinghuan Wang, Baoyuan Guo, Xuliang Zhuang, Guoqiang Zhuang   +8 more
openaire   +2 more sources

The Pseudomonas aeruginosa Orphan Quorum Sensing Signal Receptor QscR Regulates Global Quorum Sensing Gene Expression by Activating a Single Linked Operon

mBio, 2018
Pseudomonas aeruginosa uses two acyl-homoserine lactone signals and two quorum sensing (QS) transcription factors, LasR and RhlR, to activate dozens of genes.
Fengming Ding, Ken-Ichi Oinuma, Nicole E. Smalley, Amy L. Schaefer, Omar Hamwy, E. Peter Greenberg, Ajai A. Dandekar   +6 more
doaj   +1 more source

Acyl Homoserine Lactone Production of Brewery Process Surface Bacteria [PDF]

Journal of the Institute of Brewing, 2011
The aim of this study was to find out whether the first bacterial colonizers of brewery process surfaces after washing produce acyl homoserine lactone (AHL) quorum sensing signalling molecules. Microbial attachment and biofilm formation was studied by mounting sterile uncoated and coated stainless steel coupons onto critical places of the filling ...
Priha, Outi, Juvonen, Riikka, Tapani, Kaisa, Storgårds, Erna   +3 more
openaire   +1 more source

Autonomous Control of Gene Expression Using Endogenous Transcription Signals

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Autonomous cell‐based control of heterologous gene expression can simplify batch‐culture bioprocessing by eliminating external monitoring and extrinsic control of culture conditions. Existing approaches use auto‐induction media, synthetic cell‐cell communication systems, or application‐specific biosensors.
Pakpoom Subsoontorn, Drew Endy, Olivier Borkowski   +2 more
wiley   +1 more source

Exploration of the Quorum-Quenching Mechanism in Pseudomonas nitroreducens W-7 and Its Potential to Attenuate the Virulence of Dickeya zeae EC1

Frontiers in Microbiology, 2021
Quorum quenching (QQ) is a novel, promising strategy that opens up a new perspective for controlling quorum-sensing (QS)-mediated bacterial pathogens.
Wenping Zhang, Wenping Zhang, Xinghui Fan, Xinghui Fan, Jiayi Li, Jiayi Li, Tian Ye, Tian Ye, Sandhya Mishra, Sandhya Mishra, Lianhui Zhang, Lianhui Zhang, Shaohua Chen, Shaohua Chen   +13 more
doaj   +1 more source

Plant‐Derived Extracts Disrupt Biofilm Formation and Quorum Sensing in Yersinia enterocolitica: Insights From GC‐MS and Molecular Docking

Food Chemistry International, EarlyView.
The graphical abstract represents how natural plant products that preferentially target the specific receptors of quorum sensing could be developed to combat biofilms linked to Yersinia enterocolitica using the potent abilities of protein–ligand complexes with high docking scores.
Rajendran Thomas, Songeeta Singha, Devarshi Bharadwaj, Abinash Kumar, Dolly Sharma, Sadhana Ojha, Hirakjyoti Das, Vivek Kumar Gupta   +7 more
wiley   +1 more source

Presence of acyl‐homoserine lactones in 57 members of theVibrionaceaefamily [PDF]

Journal of Applied Microbiology, 2013
The aim of this study was to use a sensitive method to screen and quantify 57 Vibrionaceae strains for the production of acyl-homoserine lactones (AHLs) and map the resulting AHL profiles onto a host phylogeny.We used a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) protocol to measure AHLs in spent media after bacterial ...
Purohit, Amit Anand, Johansen, Jostein a, Hansen, Hilde, Leiros, Hanna-Kirsti S., Kashulin, Alexander, Karlsen, Christian, Smalås, Arne O., Haugen, Peik, Willassen, Nils Peder   +8 more
openaire   +3 more sources

N-acyl-homoserine lactone-mediated quorum-sensing in Azospirillum: an exception rather than a rule.

, 2006
Forty Azospirillum strains were tested for their ability to synthesize N-acyl-homoserine lactones (AHLs). AHL production was detected for four strains belonging to the lipoferum species and isolated from a rice rhizosphere.
Comte, Gilles, Faure, Denis, Wisniewski-Dyé, Florence, Dessaux, Yves, Bally, René, Vial, Ludovic, Cuny, Caroline, M. Oger, Phil, Gluchoff-Fiasson, Katia   +8 more
core   +1 more source

Structural and Functional Siderophore Remodeling by Enzymatic Delipidation

Angewandte Chemie, Volume 138, Issue 39, 21 September 2026.
A surprising functional switch in bacterial siderophores was discovered through genome mining and the analysis of environmental and pathogenic Pandoraea species. Pandorachelin B, a lipocyclopeptide that promotes swarming motility, is cleaved by a specialized acylase, yielding a ring‐contracted, homodetic cyclopeptide, pandorachelin A, which exhibits ...
Elena Herzog, Keishi Ishida, Evelyn M. Molloy, Ron Hermenau, Kirstin Scherlach, Christian Hertweck   +5 more
wiley   +2 more sources

Pseudomonas cremoricolorata Strain ND07 Produces N-acyl Homoserine Lactones as Quorum Sensing Molecules

Sensors, 2014
Quorum sensing (QS) is a bacterial cell-to-cell communication system controlling QS-mediated genes which is synchronized with the population density. The regulation of specific gene activity is dependent on the signaling molecules produced, namely N-acyl
Nina Yusrina Muhamad Yunos, Wen-Si Tan, Chong-Lek Koh, Choon-Kook Sam, Nur Izzati Mohamad, Pui-Wan Tan, Tan-Guan-Sheng Adrian, Wai-Fong Yin, Kok-Gan Chan   +8 more
doaj   +1 more source