Advances in Microbial Physiology, Vol. 28 - download pdf or read online

By A.H. Rose, D.W. Tempest (Eds.)

This quantity in a research-level sequence covers assorted features of microbial body structure and biochemistry together with inositol metabolisms in yeasts, bacterial adhesion, natural acids, the bacterial flagellum and the mechanical behaviour of bacterial phone partitions. it's meant to be of use to microbiologists, biochemists and biotechnologists. different comparable works during this sequence are volumes 29, 30 and 31.

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In C. , 1983, 1984b). At intermediate concentrations of glucose or ammonia, the yield of endospores was proportional to the substrate concentration. In studies carried out on a thermophillic saccharolytic clostridium, Pheil and Ordal(l967) and Hsu and Ordal(1969a,b) also showed that sporulation was not a response to starvation, and a carbon and energy source was required for endospore formation in this species. The requirement for an exogenous energy source also has been demonstrated amongst the proteolytic species of Clostridium.

Frugilis differ from those in E. coli, which tends to be accepted as typical for bacteria in general. , 1983a,b), were investigated by Schumann et ul. (1984). Oxygen induced six proteins with apparent molecular weights of approximately 106,000, 90,000, 70,000, a doublet at 37,000, and 34,000. Hydrogen peroxide induced four proteins with apparent molecular weights of approximately 106,000, 95,000,90,000 and 70,000. Although similarity in molecular weights does not prove identity, the induction of two proteins with apparent molecular weights of approximately 90,000 and 70,000 by UV, oxygen and H202,all of which induce phage reactivation systems in B.

Fragilis may not have a typical E. coli red-type mediated response. fragilis cells and phage mutagenesis after treatment with DNA-damaging agents; (ii) a protein with a molecular weight of 37,000 to 40,000 is not induced by UV radiation in B. fragilis; (iii) the response of B. fragilis cells to LHR and near-UV radiation resembles that of E. coli recA mutants, and (iv) extensive DNA degradation after UV radiation occurs in B. fragilis and E. coli r e d mutant cells. If the absence of an errorprone system is confirmed in B.

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