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Titolo:
GENE CONVERSION IS INVOLVED IN THE TRANSFER OF GENETIC INFORMATION BETWEEN NATURALLY-OCCURRING INVERSIONS OF DROSOPHILA
Autore:
ROZAS J; AGUADE M;
Indirizzi:
UNIV BARCELONA,FAC BIOL,DEPT GENET,DIAGONAL 645 E-08071 BARCELONA SPAIN HARVARD UNIV,MUSEUM COMPARAT ZOOL CAMBRIDGE MA 02138
Titolo Testata:
Proceedings of the National Academy of Sciences of the United Statesof America
fascicolo: 24, volume: 91, anno: 1994,
pagine: 11517 - 11521
SICI:
0027-8424(1994)91:24<11517:GCIIIT>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
RP49 REGION; SUBOBSCURA; DNA; MELANOGASTER; POPULATIONS; RECOMBINATION; ARRANGEMENTS; POLYMERASE; MODEL;
Keywords:
INVERSION POLYMORPHISM; NUCLEOTIDE POLYMORPHISM; MOLECULAR EVOLUTION; RIBOSOMAL PROTEIN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
J. Rozas e M. Aguade, "GENE CONVERSION IS INVOLVED IN THE TRANSFER OF GENETIC INFORMATION BETWEEN NATURALLY-OCCURRING INVERSIONS OF DROSOPHILA", Proceedings of the National Academy of Sciences of the United Statesof America, 91(24), 1994, pp. 11517-11521

Abstract

The DNA sequences of the ribosomal protein 49 (rp49) region were determined for 34 isochromosomal strains of Drosophila subobscura representing two chromosomal arrangements, the O-ST and the O-3+4 gene arrangements, which differ by two overlapping inversions. The data reveal that gene conversion is a mechanism responsible for the transfer of genetic information between naturally occurring inversions of Drosophila. The estimated rate of gene transfer by gene conversion at this region, which is close to an inversion breakpoint, is lower than previous estimates obtained experimentally at the rosy (ry) gene in Drosophila melanogaster. Our data indicate that gene arrangements O-ST and O-3+4 are monophyletic and rather old (0.58 and 0.73 million years old, respectively).

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Documento generato il 04/12/20 alle ore 13:08:42