- bacterial transformation
- the exchange of genetic material between strains of bacteria by the transfer of a fragment of naked DNA from a donor cell to a recipient cell, followed by recombination in the recipient chromosome.
Medical dictionary. 2011.
Medical dictionary. 2011.
Transformation (genetics) — An unrelated process called malignant transformation occurs in the progression of cancer. In molecular biology transformation is the genetic alteration of a cell resulting from the direct uptake, incorporation and expression of exogenous genetic… … Wikipedia
Bacterial conjugation — is the transfer of genetic material between bacterial cells by direct cell to cell contact or by a bridge like connection between two cells.[1] Discovered in 1946 by Joshua Lederberg and Edward Tatum,[2] conjugation is a mechanism of horizontal… … Wikipedia
Bacterial artificial chromosome — A bacterial artificial chromosome (BAC) is a DNA construct, based on a functional fertility plasmid (or F plasmid), used for transforming and cloning in bacteria, usually E. coli.[1][2] F plasmids play a crucial role because they contain… … Wikipedia
transformation — 1. SYN: metamorphosis. 2. A change of one tissue into another, as cartilage into bone. 3. In metals, a change in phase and physical properties in the solid state caused by heat … Medical dictionary
bacterial recombination — in bacterial genetics, the process of producing a new gene by any of several processes, e.g., the sexual union of two parents, molecular crossing over between two DNA strands, or transformation … Medical dictionary
transformation — noun Date: 15th century 1. an act, process, or instance of transforming or being transformed 2. false hair worn especially by a woman to replace or supplement natural hair 3. a. (1) the operation of changing (as by rotation or mapping) one… … New Collegiate Dictionary
transformation — (trans for ma shun) A mode of gene transfer in bacteria in which a piece of free DNA is taken up by a bacterial cell and integrated into the recipient genome … Dictionary of microbiology
Plant transformation vector — Plant transformation vectorsPlant transformation vectors are plasmids that have been specifically designed to facilitate the generation of transgenic plants. The most commonly used plant transformation vectors are termed binary vectors because of … Wikipedia
Origin and function of meiosis — Eukaryotes are organisms with a true nucleus in which the DNA genome is enclosed in a double membrane (e.g. fungi, protozoans, vertebrates, higher plants), in contrast to prokaryotes (bacteria and blue green algae) that lack a nuclear membrane.… … Wikipedia
Avery-MacLeod-McCarty experiment — The Avery MacLeod McCarty experiment was an experimental demonstration, reported in 1944 by Oswald Avery, Colin MacLeod, and Maclyn McCarty, that DNA is the substance that causes bacterial transformation. It was the culmination of research in the … Wikipedia