title: [The origin of extrachromosomal inheritance factors (plasmids) in bacteria].
abstract: Present status of the problem of origin of extra-chromosomal inheritance elements is reviewed in the light of literary data and some results obtained by the author. The role of plasmids in the ecology of bacteria, in their adaptive variability and evolution is discussed. Extra-chromosomal inheritance is regarded as a particular case of biological inheritance.
mesh_terms: D001419:Bacteria / Q000235:genetics*; D001435:Bacteriophages / Q000235:genetics; D003227:Conjugation, Genetic / Q000235:genetics; D005111:Extrachromosomal Inheritance / Q000235:genetics*; D005144:F Factor / Q000235:genetics; D005798:Genes, Bacterial / Q000235:genetics; D010957:Plasmids / Q000235:genetics*; D011815:R Factors / Q000235:genetics
vernacular_title: O proiskhozhdenii vnekhromosomnykh faktorov nasledstvennosti (plazmid) u bakteriĭ.