نتایج جستجو برای: motile aeromonads
تعداد نتایج: 7502 فیلتر نتایج به سال:
The role of non-motile (primary) cilia as sensory antennae critical for metazoan development and physiology has surfaced over the last decade, long after the function of motile cilia in propelling cells or moving fluids across tissues was well established. A new study of motile cilia from respiratory airways raises the possibility that transducing sensory cues from the environment is a universa...
Leftward flow generated by motile cilia is known to underlie left-right asymmetry in vertebrate embryos. A new study now links intraciliary calcium oscillations to cilia motility and the downstream nodal signaling cascade that drives left-sided development.
16S rRNA gene (rrs) is considered of low taxonomic interest in the genus Aeromonas. Here, 195 Aeromonas strains belonging to populations structured by multilocus phylogeny were studied using an original approach that considered Ribosomal Multi-Operon Diversity. This approach associated pulsed-field gel electrophoresis (PFGE) to assess rrn operon number and distribution across the chromosome and...
The diarrheal mechanisms in Aeromonas enteritis are not completely understood. In this study we investigated the effect of aeromonads and of their secretory products on ion secretion and barrier function of monolayers of human intestinal cells (HT-29/B6). Ion secretion was determined as a short-circuit current (I(SC)) of HT-29/B6 monolayers mounted in Ussing-type chambers. Transepithelial resis...
OBJECTIVES To investigate the presence and distribution of integron-carrying bacteria from a slaughterhouse wastewater treatment plant (WWTP). METHODS Enterobacteriaceae and aeromonads were isolated at different stages of the wastewater treatment process and screened for the presence of integrase genes by dot-blot hybridization. Integrase-positive strains were characterized in terms of phylog...
Motile cells - fan-like keratocytes, hand-shaped nerve growth cones, polygonal fibroblasts, to name but a few - come in different shapes and sizes. We discuss the origins of this diversity as well as what shape tells us about the physics and biochemistry underlying cell movement. We start with geometric rules describing cell-edge kinetics that govern cell shape, followed by a discussion of the ...
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