Chemical Microbiology. An Introduction to Microbial by Anthony H. Rose

By Anthony H. Rose

Chemical Microbiology: An creation to Microbial body structure, 3rd version covers points of the chemical actions of microorganisms. The ebook describes the molecular structure of microorganisms, the equipment utilized in learning this molecular structure; and the methods through which microorganisms can reply to and alter their atmosphere. The textual content additionally discusses a few of the environmental elements that effect microbial job. The booklet tackles the rules, the suggestions hired, and the tools utilized in the stories of microbial metabolism. The shipping of compounds into and out of microorganisms by way of the solute-transport procedures and endocytosis; the rules of bioenergetics and biosynthesis; and the rules of metabolism also are thought of. The ebook tackles to boot the expansion, survival and differentiation of microorganisms. Biologists, microbiologists, chemical microbiologists, geneticists, and biochemists will locate this booklet beneficial.

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Extracted mycolic acids are acid fast, and it is generally agreed that the acid-fast property of intact mycobacteria is attributable to the presence of mycolic acids in the walls. Although a detailed explanation of the role of mycolic acids in conferring the acid-fast character on mycobacteria has yet to be forthcoming, it is suggested that they react with fuchsin and that the mycolic acidfuchsin complex, or simply the mycolic acid, acts as a permeability barrier and impedes penetration of the mineral acid.

The walls of mycobacteria, like those of other bacteria, contain peptidoglycan, but in addition are rich in waxes which include a group of compounds known as mycolic acids. Extracted mycolic acids are acid fast, and it is generally agreed that the acid-fast property of intact mycobacteria is attributable to the presence of mycolic acids in the walls. Although a detailed explanation of the role of mycolic acids in conferring the acid-fast character on mycobacteria has yet to be forthcoming, it is suggested that they react with fuchsin and that the mycolic acidfuchsin complex, or simply the mycolic acid, acts as a permeability barrier and impedes penetration of the mineral acid.

In prokaryotic micro-organisms, the variety of proteins associated with the plasma membrane is much wider than in eukaryotes. In addition to those proteins already referred to, the bacterial plasma membrane contains proteins involved in electron transport (see page 203) and in DNA replication and RNA synthesis (page 281). Whether all plasma-membrane protein can be accounted for by enzymes and transport proteins is far from clear. Some researchers hold that the microbial plasma membrane contains catalytically inactive structural proteins; however, as one sees fewer and fewer references to membrane structural proteins, it must be assumed that the microbial physiologist is at least sceptical of their existence.

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