Bacterial Metabolism under FHA Control
نویسندگان
چکیده
منابع مشابه
Bacterial Cell Metabolism under Anaerobic
Since the days of Pasteur it has been known that under anaerobic conditions microorganisms display special powers of attacking carbohydrate molecules. As a rule, however, such observations have been made on mass cultures with no knowledge of the actual number of ceils concerned. In the ordinary routine bacteriological tests for fermentation, even the amount and type of gas produced is only conj...
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Escherichia coli has been cultivated in a peptone water medium saturated continuously with nitrogen by use of a gas train so as to produce anaerobic conditions. Under these circumstances growth was greatly inhibited. Cultures which originally contained 11 million bacteria per cc. showed on the average only 32 million after 5 hours (as compared with 655 million in similar cultures saturated with...
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Aptamers are artificial nucleic acids that selectively bind small molecules. In the past two years, it has become clear that nature has already devised its own aptamers that play important regulatory roles. RNA sensors have been discovered in both Gram-positive and Gram-negative bacteria that function as molecular switches in response to direct binding of structurally diverse metabolites. These...
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Ribonucleases (RNases) play an essential role in essentially every aspect of RNA metabolism, but they also can be destructive enzymes that need to be regulated to avoid unwanted degradation of RNA molecules. As a consequence, cells have evolved multiple strategies to protect RNAs against RNase action. They also utilize a variety of mechanisms to regulate the RNases themselves. These include pos...
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Carbohydrat,es are fermented by Clostridium acetobutylicum and related microorganisms with the formation of acetic acid, n-butyric acid, acetone, ethanol, and n-butanol. It has been conclusively proved that the butanol arises by the reduction of the butyric acid (1, 2). As yet, however, there is no exact information as to the sequence of reactions by which butyric acid is formed from glucose by...
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ژورنال
عنوان ژورنال: Structure
سال: 2009
ISSN: 0969-2126
DOI: 10.1016/j.str.2009.03.004