نتایج جستجو برای: vibrionaceae
تعداد نتایج: 290 فیلتر نتایج به سال:
The pelagic tunicate pyrosome, Pyrosoma atlanticum , is known for its brilliant bioluminescence, but the mechanism causing this bioluminescence has not been fully characterized. This study identifies bacterial bioluminescent symbionts of P. collected in northern Gulf Mexico using several methods such as light and electron microscopy, well molecular genetics. bacteria are localized within pyroso...
The present work used multiple linear regression (MLR) models and corrgram to assess the importance of environmental parameters on diversity abundance dynamics Vibrio sp. in waters few landing stages city Douala (Cameroon). It was recorded all five selected stations, presence four species namely, parahaemolyticus, cholerae, fluvialis alginolyticus whose highest reached 5.65, 6.26, 4.9 4.83 log ...
UNLABELLED Although plasmids and other episomes are recognized as key players in horizontal gene transfer among microbes, their diversity and dynamics among ecologically structured host populations in the wild remain poorly understood. Here, we show that natural populations of marine Vibrionaceae bacteria host large numbers of families of episomes, consisting of plasmids and a surprisingly high...
A comparative study of marine members of the family Vibrionaceae with the technique of numerical taxonomy revealed habitat segregation as well as a cosmopolitan nature of species distribution among the vibrios in different marine environments. The bacterial strains analyzed were isolated from seawater, sediments, phyto- and zooplankton, and fish in the Indian Ocean, the South and East China Sea...
Chitin, a polymer of N-acetylglucosamine (GlcNAc), is noted as the second most abundant biopolymer in nature. Chitin serves many functions for marine bacteria in the family Vibrionaceae ("vibrios"), in some instances providing a physical attachment site, inducing natural genetic competence, and serving as an attractant for chemotaxis. The marine luminous bacterium Vibrio fischeri is the specifi...
Advances in genomic microbial taxonomy have opened the way to create a more universal and transparent concept of species but is still in a transitional stage towards becoming a defining robust criteria for describing new microbial species with minimum features obtained using both genome and classical polyphasic taxonomies. Here we performed advanced microbial taxonomies combined with both genom...
Cold-adaptation strategies have been studied in multiple psychrophilic organisms, especially for psychrophilic enzymes. Decreased enzyme activity caused by low temperatures as well as a higher viscosity of the aqueous environment require certain adaptations to the metabolic machinery of the cell. In addition to this, low temperature has deleterious effects on the lipid bilayer of bacterial memb...
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