Unknown
Wiley
In:
In: Bergey's Manual of Systematics of Archaea and Bacteria (BMSAB). , ed. by Brenner, D. J., Krieg, N. R. and Staley, J. T. Wiley, New York, USA, pp. 506-507. ISBN 978-1-118-96060-8
Publication Date:
2022-01-17
Description:
Rho.do.mi.cro' bi.um. Gr. neut. n. rhodon the rose; Gr. masc. adj. micros small; Gr. masc. n. bios life; N.L. neut. n. Rhodomicrobium red microbe.
Proteobacteria / Alphaproteobacteria / Rhizobiales / Hyphomicrobiaceae / Rhodomicrobium
Most characteristic for Rhodomicrobium species is the polar cell growth and the characteristic vegetative growth cycle which includes the formation of peritrichously flagellated swarmer cells and nonmotile “mother cells,” which form prosthecae from one to several times the length of the mother cell. Daughter cells originate as spherical buds at the end of the prosthecae and may undergo differentiation in various ways. They are Gram‐negative ovoid to elongate‐ovoid bacteria belonging to the Alphaproteobacteria. Internal photosynthetic membranes are of the lamellar type. Photosynthetic pigments are bacteriochlorophyll a and carotenoids of the spirilloxanthin series. The predominant cellular fatty acid is C18:1, which comprises more than 80% of the membrane‐bound fatty acids. Ubiquinone and rhodoquinone with 10 isoprene units are present, and the lipopolysaccharides are characterized by a glucosamine‐containing, phosphate‐free lipid A with amide‐bound C16:0 3 OH.
DNA G + C content (mol%): 61.8–63.8.
Type species: Rhodomicrobium vannielii Duchow and Douglas 1949.
Type:
Book chapter
,
NonPeerReviewed
Format:
text
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