lysogenicadj.
/lʌɪsəʊˈdʒɛnɪk/ Biology.
Pertaining to, or capable of producing or undergoing, lysis (sense 3); spec. applied to a bacterium which, without being attacked by a phage, can lyse and liberate phage, an effect which is due to the ability of such a bacterium to carry, through an indefinite number of generations, a phage which is integrated with the bacterial genome and normally replicates synchronously with it but which may, under a suitable stimulus, become detached from the bacterial genome, replicate rapidly, and lyse the bacterial cell.
ΘΚΠ
the world > life > biology > organism > micro-organism > bacterium > [adjective] > specific quality of
tetragenous1888
lysogenic1899
toxicogenic1899
cryophilic1916
R1920
rough1921
smooth1921
sulphate-reducing1926
thermoduric1927
lac−1947
induced1951
inducible1953
thermoacidophilic1976
1899 R. Muir & J. Ritchie Man. Bacteriol. (ed. 2) xix. 485 Ehrlich has recently applied his theory of antitoxines to the lysogenic action of sera towards bacteria and red corpuscles... His observations show that the body specially developed in the blood of the animal treated—the ‘immune-body’, enters into firm combination with the red corpuscles.
1902 Encycl. Brit. XXVI. 68/1 The first of these is the lysogenic action, which consists in the production of a change in the corresponding bacterium whereby it becomes granular, swells up, and ultimately may undergo dissolution.
1902 Encycl. Brit. XXVI. 68/1 Lysogenic action is not confined to the case of bacteria, but obtains also with other organised structures.
1911 T. L. Stedman Pract. Med. Dict. 499/1 Lysogenic, relating to the formation of lysins.
1929 Austral. Jrnl. Exper. Biol. 6 277 (heading) Observations on a permanently lysogenic strain of B. enteritidis gaertner.
1929 J. H. Dible Recent Adv. in Bacteriol. iv. 73 Of greater interest are certain strains which, whilst themselves resistant, have incorporated with them the lytic principle, which remains present through future subcultures. These are the ‘lysogenic’ strains of Bordet.
1930 F. M. Burnet in Syst. Bacteriol. (Med. Res. Council) VII. xxxix. 494 There are some bacterial strains that it is impossible to deprive of lysogenic power.
1934 Biol. Rev. IX. 346 The ability of certain bacterial strains, so-called lysogenic bacteria, to liberate phage during their growth.
1953 Cold Spring Harbor Symp. Quant. Biol. XVIII. 71/1 It is possible that the phage population is heterogeneous, containing lytic, lysogenic, etc. phages.
1953 Cold Spring Harbor Symp. Quant. Biol. XVIII. 101/2 In 1950, Lwoff, Siminovitch and Kjeldgaard showed that..irradiation of cultures of lysogenic Bacillus megatherium with ultraviolet light greatly increased the proportion of bacteria producing phage... This phenomenon is called induction.
1965 New Scientist 21 Oct. 167/2 Strains of bacteria carrying prophage DNA are described as ‘lysogenic’.
1970 R. Passmore & J. S. Robson Compan. Med. Stud. II. xviii. 101/2 The prophage is normally inhibited from replication in the lysogenic state by the presence of virus-specified repressor substance that controls the operon for the structural gene.
1971 Lechevalier & Pramer Microbes xli. 430/1 Such phages (e.g., coliphage λ) are called lysogenic viruses.
Derivatives
lysogeˈnicity n.
ΘΚΠ
the world > life > biology > organism > micro-organism > bacterium > [noun] > specific quality of
lysogenesis1901
roughness1925
lysogenicity1932
lysogeny1956
1932 Jrnl. Pathol. & Bacteriol. 35 857 Double lysogenicity, i.e. the production of two distinct phage types by a single strain, is relatively common.
1932 Jrnl. Pathol. & Bacteriol. 35 857 In certain important bacterial groups lysogenicity is a normal characteristic.
1934 Biol. Rev. IX. 347 It was found that another group of Salmonellas..did show the existence of a common type of lysogenicity.
1954 Genetics 39 429 (heading) Segregation of lambda lysogenicity during bacterial recombination in Escherichia coli K12.
lyˈsogeny n. the state or property of a bacterium of being lysogenic; the phenomenon of lysis of a lysogenic bacterium with the subsequent release of phage.
ΘΚΠ
the world > life > biology > organism > micro-organism > bacterium > [noun] > specific quality of
lysogenesis1901
roughness1925
lysogenicity1932
lysogeny1956
1956 Nature 14 Jan. 92/1 The occurrence of lysogeny in SU298 was demonstrated.
1962 Lancet 19 May 1054/2 Little is known about the mechanism of induction of tumours by viruses, and..it seems clear that nothing directly akin to bacteriophage lysogeny occurs.
1970 R. Passmore & J. S. Robson Compan. Med. Stud. II. xviii. 101/2 When a bacteriophage infects a sensitive bacterium, it can either replicate and lyse the host cell..or it may be incorporated in the host genome in a state of lysogeny.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2022).
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adj.1899