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  • 1
    Electronic Resource
    Electronic Resource
    Variability of peptidoglycan structural parameters in Gram-negative bacteria (1995)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 125 (1995), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Muropeptide composition of peptidoglycan from the Gram-negative bacteria Aeromonas sp., Acinetobacter acetoaceticus, Agrobacterium tumefaciens, Enterobacter cloacae, Proteus morganii, Pseudomonas aeruginosa, Pseudomonas putida, Vibrio parahaemolyticus Yersinia enterocolitica and Escherichia coli, was analyzed by HPLC In all instances peptidoglycan was built up from the same subunits. A wide disparity in the relative abundance of muropeptides and all structural parameters was observed. The contribution of LD-A2pm-A2pm cross-linked muropeptides was extremely variable; from 1 to 45% of cross-linked muropeptides. Muropeptides with the dipeptides Lys-Lys or Arg-Lys, indicative of murein-bound (lipo)proteins, were detected in all instances although abundance was very variable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1995.tb07341.x
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  • 2
    Electronic Resource
    Electronic Resource
    Cell wall structural divergence among Thermus spp. (1999)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 172 (1999), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The fine structure of sacculi from Thermus thermophilus HB27, T. aquaticus YT-1 and Thermus ATCC27737 has been worked out by HPLC analysis and mass spectrometry techniques. The three microorganisms have a murein composition of the rare A3β chemotype, but showed substantial differences in muropeptide composition. Phenylacetylated muropeptides, previously described in T. thermophilus HB8, were detected exclusively in T. thermophilus HB27. Murein from T. aquaticus YT-1 was devoid of d-Ala-d-Ala terminated muropeptides, which were, in contrast, abundant in T. thermophilus HB27 and Thermus ATCC27737. The significance of these findings is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1999.tb13472.x
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  • 3
    Electronic Resource
    Electronic Resource
    Variability of peptidoglycan surface density in Escherichia coli (1994)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 121 (1994), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Murein synthesis in Escherichia coli can be partially inhibited by d-methionine without concomitant alterations in growth and morphology. d-Methionine-treated cultures grow steadily for an indefinite time, therefore murein surface density should be reduced. Determination of this parameter in control and d-methionine-treated cells showed a severe reduction in the latter. Murein surface density increases drastically in resting cells, irrespective of the presence of d-methionine. Mutants in ponB are hypersensitive to d-methionine. Analysis of ponB strains revealed an important reduction in murein surface density. An approximately two-fold reduction in average surface density is apparently compatible with normal growth and division.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1994.tb07077.x
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