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Titolo:
Studying genetic control of cytoplasmic male sterility in plants: State ofthe problem and current approaches
Autore:
Elkonin, LA; Tyrnov, VS;
Indirizzi:
Inst Agr SE Reg, Saratov 410020, Russia Inst Agr SE Reg Saratov Russia 410020 Agr SE Reg, Saratov 410020, Russia Saratov State Univ, Dept Genet, Saratov 410026, Russia Saratov State UnivSaratov Russia 410026 t Genet, Saratov 410026, Russia
Titolo Testata:
RUSSIAN JOURNAL OF GENETICS
fascicolo: 4, volume: 36, anno: 2000,
pagine: 347 - 358
SICI:
1022-7954(200004)36:4<347:SGCOCM>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
MITOCHONDRIAL GENOME ORGANIZATION; OPEN READING FRAME; CMS-T-MAIZE; AEGILOPS-CRASSA CYTOPLASM; FERTILITY-RESTORED LINES; SOMATIC TISSUE-CULTURES; BRASSICA-NAPUS L; PROTOPLAST FUSION; NICOTIANA-SYLVESTRIS; CHIMERIC GENE;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
134
Recensione:
Indirizzi per estratti:
Indirizzo: Elkonin, LA Inst Agr SE Reg, Saratov 410020, Russia Inst Agr SE Reg Saratov Russia 410020 Saratov 410020, Russia
Citazione:
L.A. Elkonin e V.S. Tyrnov, "Studying genetic control of cytoplasmic male sterility in plants: State ofthe problem and current approaches", RUSS J GEN, 36(4), 2000, pp. 347-358

Abstract

The organization and functions of genetic systems controlling cytoplasmic male sterility (CMS) in plants are reviewed. Mitochondrial genes that code for specific proteins disturbing the functions of mitochondria have been found by comparisons between CMS lines and fertile F-1 hybrids and between forms originating from in vitro cultures (fertile revertants, cybrids). Nuclear fertility-restorer genes abrogate expression of these mitochondrial genes at the transcriptional or posttranslational level and thereby prevent synthesis of their protein products. A high mutability of the mitochondrial genome in cells cultured in vitro results in the elimination or reorganization of CMS-associated mitochondrial genes or in new mutations causing CMS. Several biotechnological methods are considered with respect to their applicability in identifying and transferring CMS-associated genes and in constructing new CMS forms.

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Documento generato il 05/12/20 alle ore 23:21:51