๐”– Bobbio Scriptorium
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DNA base composition of some sheathed bacteria

โœ Scribed by W. H. J. Crombach; W. L. Veen; A. W. Vlies; W. C. P. M. Bots

Publisher
Springer Netherlands
Year
1974
Tongue
English
Weight
221 KB
Volume
40
Category
Article
ISSN
0003-6072

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โœฆ Synopsis

The DNA base composition of five recently isolated Haliseomenobacter hydrossis strains were compared with those of Sphaerotilus natans, Leptothrix eholodnii and Leptothrix diseophora. The DNA base composition of H. hydrossis strains ranged from 48.3 to 49.7 ~o GC, whereas the ~o GC values of S. natans, L. eholodnii and L. diseophora were found to be 69.7, 69.6 and 71.2, respectively. These results indicate that Haliseomenobaeter species and the microorganisms of the Sphaerotilus-Leptothrix group should not be classified into the same genus, as they are genetically at best remotely related.

The reallocation of some Leptothrix species into the genus Sphaerotilus is not in contradiction with their DNA base composition.

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