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Titolo:
CYTOPLASMIC MALE-STERILITY IN PLANTS - MOLECULAR EVIDENCE AND THE NUCLEOCYTOPLASMIC CONFLICT
Autore:
SAUMITOULAPRADE P; CUGUEN J; VERNET P;
Indirizzi:
UNIV LILLE 1,GENET & EVOLUT POPULAT VEGETALES LAB,CNRS,URA 1185 F-59655 VILLENEUVE DASCQ FRANCE UNIV LILLE 1,INST AGR & ALIMENTAIRE LILLE F-59655 VILLENEUVE DASCQ FRANCE
Titolo Testata:
Trends in ecology & evolution
fascicolo: 11, volume: 9, anno: 1994,
pagine: 431 - 435
SICI:
0169-5347(1994)9:11<431:CMIP-M>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
MITOCHONDRIAL GENOME ORGANIZATION; ARMADILLIDIUM-VULGARE LATR; INTRAGENOMIC CONFLICT; SEX-RATIO; MAIZE; FERTILITY; TRANSCRIPTION; INHERITANCE; GYNODIOECY; EVOLUTION;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
49
Recensione:
Indirizzi per estratti:
Citazione:
P. Saumitoulaprade et al., "CYTOPLASMIC MALE-STERILITY IN PLANTS - MOLECULAR EVIDENCE AND THE NUCLEOCYTOPLASMIC CONFLICT", Trends in ecology & evolution, 9(11), 1994, pp. 431-435

Abstract

A much-debated issue in plant evolutionary biology concerns the maintenance of a high frequency of male sterility in natural populations. For the past decade, a theoretical framework has been provided by the concept of nucleocytoplasmic conflict. Recent molecular studies on cytoplasmic male sterility indicate that novel chimeric genes, resulting from duplications and rearrangements of mitochondrial DNA sequences, are involved in its control. Thus, male sterility, which is phenotypically the loss of the male function, is encoded by a new mitochondrial function at the molecular lever. Molecular data are in agreement with theoretical models that consider cytoplasmic male sterility as a stage in the coevolution between nucleus and mitochondria, and not simply as a deleterious mitochondrial mutation.

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Documento generato il 01/10/20 alle ore 03:55:44