transposonn.

Brit.

/trɑːnsˈpəʊzɒn/,

/transˈpəʊzɒn/, U.S.

/trænzˈpoʊzɑn/

Etymology: < transpos- (in transposition n.) + -on suffix¹.

Genetics.

A chromosomal segment that can undergo transposition (sense 7); spec. a segment of bacterial DNA that can be translocated en bloc between chromosomal, phage, and plasmid DNA in the absence of a complementary sequence in the host DNA.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > genetic components > [noun] > nucleic acid > DNA > section of

operator1961

satellite1962

junk DNA1963

spacer1963

transposon1974

antisense1977

retroposon1983

retrotransposon1985

retroelement1988

microsatellite1989

1974 Hedges & Jacob in Molecular & Gen. Genetics CXXXII. 38 We designate DNA sequences with transposition potential as transposons (units of transposition).

1978 Nature 11 May 171/3 The determinants of resistance to at least seven different antibiotics form part of independent structures several kilobase-pairs long, called ‘transposons’, which can jump between the genomes of bacteria, plasmids and phages of widely different base compositions.

1980 Sci. Amer. Sept. 87/3 Some transposons carry genes for traits such as drug resistance that are clearly advantageous to a bacterial host under some circumstances.

1982 Nature 21 Oct. 676/1 Transposons, familiar enough in bacteria.., have been identified in..eukaryotic genomes principally because their DNA sequences can crop up at different places.

This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022).

单词	transposon
释义	transposonn. Brit. /trɑːnsˈpəʊzɒn/, /transˈpəʊzɒn/, U.S. /trænzˈpoʊzɑn/ Etymology: < transpos- (in transposition n.) + -on suffix¹. Genetics. A chromosomal segment that can undergo transposition (sense 7); spec. a segment of bacterial DNA that can be translocated en bloc between chromosomal, phage, and plasmid DNA in the absence of a complementary sequence in the host DNA. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > nucleic acid > DNA > section of operator1961 satellite1962 junk DNA1963 spacer1963 transposon1974 antisense1977 retroposon1983 retrotransposon1985 retroelement1988 microsatellite1989 1974 Hedges & Jacob in Molecular & Gen. Genetics CXXXII. 38 We designate DNA sequences with transposition potential as transposons (units of transposition). 1978 Nature 11 May 171/3 The determinants of resistance to at least seven different antibiotics form part of independent structures several kilobase-pairs long, called ‘transposons’, which can jump between the genomes of bacteria, plasmids and phages of widely different base compositions. 1980 Sci. Amer. Sept. 87/3 Some transposons carry genes for traits such as drug resistance that are clearly advantageous to a bacterial host under some circumstances. 1982 Nature 21 Oct. 676/1 Transposons, familiar enough in bacteria.., have been identified in..eukaryotic genomes principally because their DNA sequences can crop up at different places. This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022). < n.1974
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