Motility of Colwellia psychrerythraea strain 34H at subzero temperatures.
نویسندگان
چکیده
We examined the Arctic bacterium Colwellia psychrerythraea strain 34H for motility at temperatures from -1 to -15 degrees C by using transmitted-light microscopy in a temperature-controlled laboratory. The results, showing motility to -10 degrees C, indicate much lower temperatures to be permissive of motility than previously reported (5 degrees C), with implications for microbial activity in frozen environments.
منابع مشابه
A unique capsular polysaccharide structure from the psychrophilic marine bacterium Colwellia psychrerythraea 34H that mimics antifreeze (glyco)proteins.
The low temperatures of polar regions and high-altitude environments, especially icy habitats, present challenges for many microorganisms. Their ability to live under subfreezing conditions implies the production of compounds conferring cryotolerance. Colwellia psychrerythraea 34H, a γ-proteobacterium isolated from subzero Arctic marine sediments, provides a model for the study of life in cold ...
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ورودعنوان ژورنال:
- Applied and environmental microbiology
دوره 69 7 شماره
صفحات -
تاریخ انتشار 2003