By A.H. Rose, J. Gareth Morris and D.W. Tempest (Eds.)
This quantity in a research-level sequence covers diversified points 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 telephone 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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Additional resources for Advances in Microbial Physiology, Vol. 24
Therefore, these organelles can be considered as peroxisomes (de Duve, 1973). The above findings on the utilization of methylamine by H . polymorpha and C . utilis show that in these yeasts the metabolism of this compound is basically similar to that of methanol. The substrate is oxidized in peroxisomes and the first oxidation product-formaldehyde-is further metabolized in the cytosol by NAD dependent dehydrogenases (Fig. 14). The other product, ammonia, is used as a source of intracellular nitrogen.
5 nm (235 A; Fig. 9c). The lattice structure represented by the molecules in the plane underneath that of sectioning of Fig. 9(b) is shown in Fig. 9(d). Compared to the arrangement of molecules in the plane of sectioning (Fig. 9c), in this layer the molecules are displaced at an angle of 45" along an axis perpendicular to the plane of sectioning. The centre-to-centre distance between the individual molecules present in this layer is approximately 14 nm (140 A). A schematic representation of the arrangement of molecules in the layers described above is shown in Fig.
Thus transfer of an organism growing on ethanol plus ammonium sulphate to ethanol plus ethylamine would only require the additional synthesis of an amine transport carrier, amine oxidase and catalase. However, ethanollimited chemostat cultures of the yeast C. utilis growing with (excess) ethylamine metabolized the amine only to the extent that the nitrogen requirement of the culture, set by the reservoir concentration of ethanol, was met (K. B. Zwart, unpublished observations). Free ammonium ions were not detected in the culture supernatant indicating that ethylamine is primarily utilized for nitrogen-assimilatory purposes.