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  • 1
    Electronic Resource
    Electronic Resource
    Deoxyribonucleic acid reassociation in the classification of coagulase-positive staphylococci (1978)
    Springer
    Archives of microbiology 117 (1978), S. 183-188 
    Details
    ISSN: 1432-072X
    Keywords: Coagulase-positive staphylococci ; DNA-DNA reassociation ; Staphylococcus aureus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract DNA-DNA reassociation studies were performed with coagulase-positive staphylococci belonging to the biotypes A, B, C, D, E and F. These studies present genetic evidence for the existence of at least two distinct species within this group of organisms. The common Staphylococcus aureus strains were represented by organisms from biotypes A to D, and their DNA revealed over 80% nucleotide sequence homology under restrictive conditions. Less than 15% DNA homology was detected between strains from biotypes A to D (S. aureus) and those from biotypes E and F. The DNA of organisms from either the biotypes E or F displayed over 70% homology. Together, both biotypes are considered to represent the species S. intermedius. However, DNA homology values dropped to 50–65% between strains from different biotypes. This may justify the separation of S. intermedius biotypes E and F on a subspecies level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00402306
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Chemical and biochemical studies for the differentiation of coagulase-positive staphylococci (1976)
    Springer
    Archives of microbiology 110 (1976), S. 263-270 
    Details
    ISSN: 1432-072X
    Keywords: Coagulase-positive staphylococci ; Cell wall composition ; Lactic acid configuration ; FDP-activatedl-LDH ; Esterase pattern ; Staphylococcus aureus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The cell wall composition, the configuration of lactic acid produced from glucose under anaerobic conditions, the occurrence of fructose-1,6-diphosphate (FDP) activatedl-lactate dehydrogenase (l-LDH), and the esterase pattern were determined from more than 80 strains of coagulase-positive staphylococci isolated from man and animal. Strains isolated from man, swine, bovines and hares form a rather homogencous group. They exhibit a similar cell wall composition, produce predominantlyd,l-lactate and have a characteristic and simple esterase pattern. Coagulasepositive staphylococci isolated from dogs, horses, minks and pigeons are quite distinct from typicalStaphylococcus aureus strains. They exhibit a different cell wall composition, produce onlyl-lactate, possess anl-LDH which is specifically activated by FDP, and have a quite complex esterase pattern.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00690237
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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