Titlebook: Bacterial and Bacteriophage Genetics; An Introduction Edward A. Birge Textbook 19811st edition Springer Science+Business Media New York 198

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Plasmids Other Than F,isolates tested contained a minimum of one plasmid type, and many contained more than one type of plasmid. Plasmids are also present in nonpathogenic bacteria and have been demonstrated to play an important role in the adaptation of the host cell to its environment. A recent catalog listed more than

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Regulation,tal physiologic potential of the cell, regardless of which processes are actually in use at a given moment. The difference between the phenotype and the genotype of a cell is a function of the regulatory mechanisms available to the cell, and it is these mechanisms which are the subject of this chapt

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Repair and Recombination of DNA Molecules,ing even the bacteria and viruses, exhibit some sort of genetic exchange. The two processes may seem antithetical, since recombination, the movement of genetic information from one molecule of nucleic acid to another, implies that the nucleic acid undergoes some kind of structural alteration. Howeve

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Future Developments,tributions had been made by bacterial geneticists to our understanding of genetic and molecular biologic processes, but there seemed to be only a few applied uses for the knowledge that had been gained. This picture has been completely changed in the past four or five years, however, and interest in

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The Laws of Probability and Their Application to Prokaryote Cultures,the sample is of a suitable size to compensate for the random variation which is observed in any physical procedure. The former concern can be alleviated by good culture agitation techniques which provide a homogeneous population from which to sample. The latter concern is the subject of this chapter.

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T4 Bacteriophage as a Model Genetic System,ss the intemperate (i.e., virulent) phages, while Chapter 6 will discuss the problems associated with lysogeny. The details concerning regulation of the kinds of metabolic activities discussed in these chapters will be deferred until Chapter 12.