Results 61 to 70 of about 245,422 (162)

Epidermal Collagen Reduction Drives Selective Aspects of Aging in Sensory Neurons

open access: yesAging Cell, Volume 24, Issue 4, April 2025.
Reduced collagen on the epidermal apical surface drives selective aging in sensory neurons of Caenorhabditis elegans, leading to excessive dendritic branching and related functional deficits. An immunoglobulin superfamily protein in interneurons acts upstream of collagen genes to maintain dendritic homeostasis during aging, with a downstream ...
Meera M. Krishna   +4 more
wiley   +1 more source

Direct reprogramming of fibroblasts into spiral ganglion neurons by defined transcription factors

open access: yesCell Proliferation, Volume 58, Issue 4, April 2025.
A combination of Ascl1, Pou4f1 and Myt1l was identified to promote functional reprogramming of cochlear spiral ganglion neurons based on biochemical, electrophysiological and single‐cell transcriptomic analyses. Abstract Degeneration of the cochlear spiral ganglion neurons (SGNs) is one of the major causes of sensorineural hearing loss and ...
Yuhang Huang   +11 more
wiley   +1 more source

A novel class of CoA-transferase involved in short-chain fatty acid metabolism in butyrate-producing human colonic bacteria [PDF]

open access: yes, 2006
ACKNOWLEDGMENTS: This work was supported by the Scottish Executive Environment and Rural Affairs Department. We would like to thank Sheila McCrae, Sylvie Duncan and Gillian Campbell for technical help and Wolfgang Buckel for helpful advice on the citrate
Charrier, Cedric   +9 more
core   +1 more source

Studies on Toxin-Producing Ability and Gene Map of Tetrodotoxin- Producing Bacteria

open access: yes, 2010
[[abstract]]Tetrodotoxin (TTX) is one of the best known marine toxins, because of it’s an extremely potent, low-molecular weight, and non-protein neurotoxin. TTX exists with its several analogs.
Chun lan, Lin
core  

Presence of a loner strain maintains cooperation and diversity in well-mixed bacterial communities [PDF]

open access: yes, 2016
Cooperation and diversity abound in nature despite cooperators risking exploitation from defectors and superior competitors displacing weaker ones. Understanding the persistence of cooperation and diversity is therefore a major problem for evolutionary ...
Inglis, R. Fredrik   +6 more
core   +1 more source

Bacterial Production of Tetrodotoxin in Four Species of Chaetognatha

open access: yes, 1989
Tetrodotoxin (TTX) producing bacteria have been isolated from four species of planktonic chaetognaths: Flaccisagitta lyra, Parasagitta elegans, Zonosagitta nagae, and Eukrohnia hamata.
E. V. Thuesen, K. Kogure
semanticscholar   +1 more source

Screening and characterization of amylase producing bacteria from soil contaminated with cassava effluents from Abraka, Delta State | JBES 2022

open access: yes, 2022
Amylases are starch hydrolyzing enzymes important in normal daily life and industry. There are different sources of amylase production however, enzymes derived from microorganisms are cheaper and thermos table among other features.
Adomi O Patience
core   +1 more source

Quorum sensing : understanding the role of bacteria in meat spoilage [PDF]

open access: yes, 2010
Quorum sensing is a fundamental process to all of microbiology since it is ubiquitous in the bacterial world, where bacterial cells communicate with each other using low molecular weight signal molecules called autoinducers.
Blana, Vasiliki A
core  

Studies on Gene Map of 16S rDNA and Protein Profiling of Tetrodotoxin-Producing Bacteria

open access: yes, 2015
[[abstract]]Tetrodotoxin (TTX) is a low-molecular weight and non-protein neurotoxin. About the TTX-bearing organisms, according to the results of previous studies, TTX was well known produced by exogenously.
Chen, Hung-Hsuan
core  

Psychrotolerant biosurfactant-producing bacteria for hydrocarbon degradation: a mini review [PDF]

open access: yes, 2019
Biosurfactants are a structurally diverse group of surface-active substances synthesised by microorganisms. All biosurfactants have tremendous potential ranging from medicine to environmental applications especially in hydrocarbon remediation.
Ahmad, Siti Aqlima   +3 more
core  

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