Osmosensing by Bacteria: Signals and Membrane-Based Sensors
نویسندگان
چکیده
منابع مشابه
Osmosensing and osmoregulatory compatible solute accumulation by bacteria.
Bacteria inhabit natural and artificial environments with diverse and fluctuating osmolalities, salinities and temperatures. Many maintain cytoplasmic hydration, growth and survival most effectively by accumulating kosmotropic organic solutes (compatible solutes) when medium osmolality is high or temperature is low (above freezing). They release these solutes into their environment when the med...
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The glycine betaine carrier BetP from Corynebacterium glutamicum was recently shown to function as both an osmosensor and osmoregulator in proteoliposomes made from Escherichia coli phospholipids by sensing changes in the internal K+ concentration as a measure of hyperosmotic stress (Rübenhagen, R., Morbach, S., and Krämer, R. (2001) EMBO J. 20, 5412-5420). Furthermore, evidence was provided th...
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ژورنال
عنوان ژورنال: Microbiology and Molecular Biology Reviews
سال: 1999
ISSN: 1092-2172,1098-5557
DOI: 10.1128/mmbr.63.1.230-262.1999