Results 21 to 30 of about 98,954,750 (292)
The LuxS‐dependent autoinducer AI‐2 controls the expression of an ABC transporter that functions in AI‐2 uptake in Salmonella typhimurium [PDF]
Molecular Microbiology, 2001 In a process called quorum sensing, bacteria communicate with one another using secreted chemical signalling molecules termed autoinducers. A novel autoinducer called AI‐2, originally discovered in the quorum‐sensing bacterium Vibrio harveyi, is made by many species of Gram‐negative and Gram‐positive bacteria.
Taga, Michiko E. +2 more
openaire +3 more sources
Sinorhizobium meliloti, a bacterium lacking the autoinducer‐2 (AI‐2) synthase, responds to AI‐2 supplied by other bacteria [PDF]
Molecular Microbiology, 2008 SummaryMany bacterial species respond to the quorum‐sensing signal autoinducer‐2 (AI‐2) by regulating different niche‐specific genes. Here, we show that Sinorhizobium meliloti, a plant symbiont lacking the gene for the AI‐2 synthase, while not capable of producing AI‐2 can nonetheless respond to AI‐2 produced by other species.
Pereira, C. S. +4 more
openaire +3 more sources
AI-Based Mutation Prediction in SARS-CoV-2
, 2023 This study focuses on the development of an AI model to predict the next variants of the SARS-CoV-2 virus based on genomic data. Leveraging a dataset comprising a wide range of SARS-CoV-2 variants, including the Alpha, Beta, Gamma, Delta, Epsilon, and ...
Yasin Miar (17200591)
core +1 more source
LuxS distribution and AI-2 activity of Campylobacter spp. [PDF]
Journal of Applied Microbiology, 2012 This study investigates the distribution of LuxS within Campylobacter (Camp.) species and Autoinducer (AI)-2 activity of Camp. jejuni NCTC 11168 in food matrices. LuxS (S-ribosylhomocysteinase) sequences of different Campylobacter spp. were compared, and AI-2 activity was measured with an AI-2 reporter assay.
G. Gölz, L. Adler, S. Huehn, T. Alter
openaire +3 more sources
Sensors, 2023 Stress is a direct or indirect cause of reduced work efficiency in daily life. It can damage physical and mental health, leading to cardiovascular disease and depression.
Seung-Gun Lee +2 more
doaj +1 more source
Aspect-Based Sentiment Analysis Model with Multiple Grammatical Information [PDF]
Jisuanji kexue yu tansuo, 2022 The aim of aspect based sentiment analysis (ABSA) is to classify the sentiment polarity towards a particular aspect in a sentence. Existing approaches usually apply attention mechanism to modeling the connection between aspects and opinion expression in ...
XIAO Zeguan, CHEN Qingliang
doaj +1 more source
Interference with AI-2-mediated bacterial cell–cell communication [PDF]
Nature, 2005 Bacteria communicate by means of chemical signal molecules called autoinducers. This process, called quorum sensing, allows bacteria to count the members in the community and to alter gene expression synchronously across the population. Quorum-sensing-controlled processes are often crucial for successful bacterial--host relationships--both symbiotic ...
Karina B, Xavier, Bonnie L, Bassler
openaire +2 more sources
Vietnamese Speech Synthesis Based on Transfer Learning [PDF]
Jisuanji kexue, 2023 Vietnamese is the official language of the Socialist Republic of Vietnam.It belongs to the Vietnamese branch of the Viet Muang language family of the South Asian language family.In recent years,deep learning-based speech synthesis has been able to ...
YANG Lin, YANG Jian, CAI Haoran, LIU Cong
doaj +1 more source
Experimental study on flocculation-accelerated deposition of dredger fill
Yantu gongcheng xuebao, 2017 After hydraulic reclamation of the dredger fill, the mud needs some time to deposit. The reinforcement treatment cannot be carried out until the sludge-water separation is completed and the separated water is drained.
ZHENG Ai-rong 1, 2, 3, ZHU Hong-man 1, 2, 3
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BioMedInformatics, 2023 Some diseases are known to cause or coincide with volume changes of certain structures in the body. Since these changes can be used to identify diseases, in this paper, we aimed to discover such new correlations.
Timo van Meegdenburg +3 more
doaj +1 more source