F factor (episome)

См. также в других словарях:

• episome — A genetic extrachromosomal element (e.g. the F factor in Escherichia coli) which replicates within a cell independently of the chromosome and is able to integrate into the host chromosome. The step of integration may be governed by a variety of… …   Glossary of Biotechnology

• episome — An extrachromosomal element (plasmid) that may either integrate into the bacterial chromosome of the host or replicate and function stably when physically separated from the chromosome. [epi + G. soma, body ( …   Medical dictionary

• episome — Piece of hereditary material that can exist as free, autonomously replicating DNA or be attached to and integrated into the chromosome of the cell, in which case it replicates along with the chromosome. Examples of episomes are many… …   Dictionary of molecular biology

• Fertility factor — The Fertility factor (also known as F factor or sex factor) is a bacterial DNA sequence that allows a bacterium to produce a sex pilus necessary for conjugation. It contains 20 tra (for transfer ) genes and a number of other genetic sequences… …   Wikipedia

• F episome — F episome. = F factor (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

• sex factor — A bacterial episome (e.g. the F plasmid in E. coli) that enables the cell to be a donor of genetic material. The sex factor may be propagated in the cytoplasm, or it may be integrated into the bacterial chromosome …   Glossary of Biotechnology

• фактор фертильности — F factor (episome) F фактор, F эписома, фактор фертильности. Эписома <episome>, содержащаяся в мужских клетках E.coli (половая хромосома); при конъюгации F ф. может переходить в женскую (F ) клетку, превращая ее в мужскую (F+); в случае… …   Молекулярная биология и генетика. Толковый словарь.

• эписома — episome эписома. Плазмида <plasmid>, способная существовать в бактериальной клетке как автономно, так и в составе хромосомы; классические примеры Э. R плазмида <R plasmid> и F фактор <F factor>. (Источник: «Англо русский… …   Молекулярная биология и генетика. Толковый словарь.

• plasmid — (= episome) A small, independently replicating, piece of cytoplasmic DNA that can be transferred from one organism to another. Linear or circular DNA molecules found in both pro and eukaryotes capable of autonomous replication. ‘Stringent’… …   Dictionary of molecular biology

• Hfr cell — An hfr cell (also called hfr strain) is a bacterium with a conjugative plasmid (often F) integrated into its genomic DNA. Hfr is the abbreviation for high frequency recombination , which was first characterized by Luca Cavalli Sforza. Unlike a… …   Wikipedia

• Kaposi's sarcoma-associated herpesvirus — Taxobox virus group = I familia = Herpesviridae subfamilia = Gammaherpesvirinae genus = Rhadinovirus species = Human herpesvirus 8 Kaposi s sarcoma associated herpesvirus (KSHV) is the eighth human herpesvirus; its formal name according to the… …   Wikipedia