New PDF release: Bergey's Manual of Systematic Bacteriology 2nd Ed Vol 2

By George Garrity (Editor), Don J. Brenner (Editor), Noel R. Krieg (Editor)

ISBN-10: 0387241450

ISBN-13: 9780387241456

Features a description of the Alpha-, Beta-, Delta-, and Epsilonproteabacteria (1256 pages, 512 figures, and 371 tables). this huge taxa comprise many renowned medically and environmentally very important teams. specifically striking are Acetobacter, Agrobacterium, Aquospirillum, Brucella, Burkholderia, Caulobacter, Desulfovibrio, Gluconobacter, Hyphomicrobium, Leptothrix, Myxococcus, Neisseria, Paracoccus, Propionibacter, Rhizobium, Rickettsia, Sphingomonas, Thiobacillus, Xanthobacter and 268 extra genera.

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Additional info for Bergey's Manual of Systematic Bacteriology 2nd Ed Vol 2 Proteobacteria Part C The Alpha-, Beta-, Delta and Epsilonproteobacteria

Example text

A few strains of A. halopraeferens do not catabolize citrate. d-Glucose is used by all azospirilla species except A. halopraeferens and most strains of A. brasilense. However, A. brasilense cannot use d-glucose as a sole carbon source for N2-dependent growth, and it also produces a lower degree of acidification of glucose than does A. , 1978). The use of d-galactose as carbon source is variable among strains of A. brasilense and negative for all strains of A. halopraeferens, whereas sucrose is catabolized only by strains of A.

Lipoferum and A. brasilense grow abundantly under anaerobic conditions due to the denitrification process, with the nitrate being reduced to nitrite or to nitrous oxide and nitrogen gas. NO3-dependent anaerobic growth has not yet been shown for A. amazonense, A. halopraeferens, A. irakense, and A. largimobile. Other compounds such as nitrite, nitrous oxide, and dimethylsulfoxide (DMSO) can also be used as alternative electron acceptors by A. lipoferum and A. brasilense strains when NH4‫ ם‬is supplied as a nitrogen source (Do¨bereiner, 1992a; Hartmann and Zimmer, 1994).

0 g/l agar. 2. 8 with KOH. 0 g/l agar. cells within 48 h (Fig. 4), in contrast to A. brasilense, which retains mainly the vibrioid form. A. 7 lm ‫ ן‬5 to over 30 lm long), which are nonmotile and have an S shape or helical shape (Fig. 4). These forms eventually seem to fragment into shorter ovoid forms, many of which become very large and rounded and may contain several cells filled with phase-refractile granules (probably poly-b-hydroxybutyrate). Alkalinization of the malate medium, due to oxidation of the malate, may be related to development of pleomorphism in A.

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Bergey's Manual of Systematic Bacteriology 2nd Ed Vol 2 Proteobacteria Part C The Alpha-, Beta-, Delta and Epsilonproteobacteria by George Garrity (Editor), Don J. Brenner (Editor), Noel R. Krieg (Editor)


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