منابع مشابه
Bacterial transposons.
Bacterial plasmids have been known for more than twenty years and, during this period, one witnessed an extraordinary spread of those extra-chromosomal DNA elements. Resistance plasmids were first identified in Enterobacteriaceae but, later On. have been found in almost every pathogenic bacterial species, including more recently Hemophilus influenzae and Neisseria gonorrheae. Plasmids, however....
متن کاملSnapShot: Vertebrate Transposons
hAT Charlie 182 38.1 1.39 Zaphod 13 4.3 0.16 Tc-1 Tigger 57 28 1.02 Tc2 4 0.9 0.03 Mariner 14 2.6 0.1 PiggyBac-like 2 0.5 0.02 Unclassified 22 3.2 0.12 Opossum Genome ?3600 Mb # of Copies (×1000) Total Length (Mb) % of Genome LINEs 2581.46 975.29 29.17 LINE1 1165.62 670.03 20.04 LINE2 833.76 158.28 4.73 LINE3 317.34 69.21 2.07 RTE 264.73 77.77 2.32 SINEs 2306.91 348.89 10.42 SINE/L1 577.73 96.5...
متن کاملTransposons Reanimated in Mice
Transposons have proved valuable in the genetic modification of many organisms but not mammals. New work reported by Ding et al. (2005) in this issue of Cell and by Collier et al. (2005) and Dupuy et al. (2005) in a recent issue of Nature now reveals that insertional mutagenesis in mammalian cells is possible thanks to modified derivatives of the piggyBac and Sleeping Beauty DNA transposons. Ho...
متن کاملHigher Plant Transposons
We have isolated a 1595-bp transposable element from the multicellular green alga Volvox carteri following its insertion into the nitrate reductase (nitA) locus. This element, which we have named Jordan, has short (12-bp) terminal inverted repeats and creates a 3-bp target site duplication, like some higher plant transposons of the classic type. Contained within the first 200 bp of one end of t...
متن کاملTransposons in C. elegans.
Transposons are discrete segments of DNA capable of moving through the genome of their host via an RNA intermediate in the case of class I retrotransposon or via a "cut-and-paste" mechanism for class II DNA transposons. Since transposons take advantage of their host's cellular machinery to proliferate in the genome and enter new hosts, transposable elements can be viewed as parasitic or "selfis...
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ژورنال
عنوان ژورنال: Journal of Antimicrobial Chemotherapy
سال: 1980
ISSN: 0305-7453,1460-2091
DOI: 10.1093/jac/6.1.4