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Titolo:
TRANSFER OF GENETIC INFORMATION IN THE RP49 REGION OF DROSOPHILA-SUBOBSCURA BETWEEN DIFFERENT CHROMOSOMAL GENE ARRANGEMENTS
Autore:
ROZAS J; AGUADE M;
Indirizzi:
UNIV BARCELONA,FAC BIOL,DEPT GENET,DIAGONAL 645 E-08071 BARCELONA SPAIN
Titolo Testata:
Proceedings of the National Academy of Sciences of the United Statesof America
fascicolo: 17, volume: 90, anno: 1993,
pagine: 8083 - 8087
SICI:
0027-8424(1993)90:17<8083:TOGIIT>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
MELANOGASTER; DNA; INVERSIONS; POPULATION; AMPLIFICATION; POLYMERASE; EVOLUTION; LOCUS;
Keywords:
CHROMOSOMAL POLYMORPHISM; NUCLEOTIDE POLYMORPHISM; POPULATION GENETICS; MOLECULAR EVOLUTION; RIBOSOMAL PROTEIN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
30
Recensione:
Indirizzi per estratti:
Citazione:
J. Rozas e M. Aguade, "TRANSFER OF GENETIC INFORMATION IN THE RP49 REGION OF DROSOPHILA-SUBOBSCURA BETWEEN DIFFERENT CHROMOSOMAL GENE ARRANGEMENTS", Proceedings of the National Academy of Sciences of the United Statesof America, 90(17), 1993, pp. 8083-8087

Abstract

Nucleotide variation in the region including the ribosomal protein 49(rp49) gene was investigated by direct sequencing of 10 alleles of Drosophila subobscura from chromosomes differing in gene arrangement. Fifty-six nucleotide and seven length polymorphisms were detected over a1.5-kb region. Of the 20 nucleotide polymorphisms present more than once in the sample, 13 were segregating in O[3+4], 9 in O[3+4+8], and 4in O[st] chromosomal classes. Several of these polymorphisms were segregating in more than one chromosomal class, a strong indication of genetic transfer between different chromosomal gene arrangements either by double crossover or gene conversion. Given the probable role playedby gene conversion in the history of the rp49 region in D. subobscura, estimates of nucleotide diversity within chromosomal class indicate that the O[3+4] chromosomal gene arrangement is older than the O[st] arrangement.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 22:12:40