Bacteria exchange genetic material by three basic mechanisms: conjugation, transduction,
and transformation (Fox, 1978). Conjugation is a plasmidmediated transfer of DNA from …

The field of bacterial transformation has matured in the past ten years and has assumed a
major role in the study of the structure and function of biological processes. To many, its …

The 8 kbp plasmid pAT4 transformed Haemophilus influenzae Rd cells at low frequencies.
Transformation was increased up to 100 times, however, when the recipient cells carried a …

The first dim realization that hereditary material was transferred from male to female animals
probably arose among early pastoralists some 10000 years ago, if not before. However, it …

A plasmid system was used to investigate the processing of donor DNA during
transformation of competent Haemophilus influenzae. Using biochemical and genetic …

Publisher Summary Lysogeny and transduction describes a type of phage/host interaction
and a method of bacterial gene transfer (procaryotic sex), respectively. This chapter …

Historical perspective Bacteriophages were first described in 1919 by two independent
investigators, FW Twort and T. D'Herelle (Duckworth 1976). Priority in discovery of …

DNA transport and integration in Haemophilus influenzae transformation was studied with a
plasmid clone of homologous DNA (pCML6). Our results indicate that:(i) donor DNA enters …

INTRODUCTION........................................................................................................ MODES OF
GENETIC RECOMBINATION............................................................ MODES OF GENE …

Haemophilus cells efficiently take up Haemophilus DNA from the medium during
transformation but do not take up other DNAs. To study the mechanism of this specificity we …