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Role of relA mutation in the survival of amino acid-starved Escherichia coli (1986)

Hecker, Michael ; Schroeter, Andreas ; Träder, Kersten ; [et al.]

Springer

Archives of microbiology 143 (1986), S. 400-402

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ISSN: 1432-072X

Keywords: E. coli relA +/relA ; Starvation survival ; Guanosine tetraphosphate ; Electron microscopy ; Glycogen

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract Amino acid-starved cells of Escherichia coli relA +, which contain a large number of glycogen particles, are able to survive in phosphate buffer for a longer time period than their relaxed counterparts. With regard to NH 4 + starvation differences in the survival of both strains were not found. NH 4 + starved cells of E. coli relA are able to synthesize glycogen but amino acid-starved cells of the relA strain are not. We suggest that the synthesis of glycogen triggered by guanosine tetraphosphate during amino acid starvation is responsible for the prolonged viability of the E. coli relA + strain.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00412809

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