Journal
MITOCHONDRION
Volume 19, Issue -, Pages 166-171Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mito.2014.04.009
Keywords
Cytoplasmic male sterility; Fertility restoration; OXPHOS system; Respiratory mutants
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Cytoplasmic male sterility (CMS) is a common feature encountered in plant species. It is the result of a genomic conflict between the mitochondrial and the nuclear genomes. CMS is caused by mitochondrial encoded factors which can be counteracted by nuclear encoded factors restoring male fertility. Despite extensive work, the molecular mechanism of male sterility still remains unknown. Several studies have suggested the involvement of respiration on the disruption of pollen production through an energy deficiency. By comparing recent works on CMS and respiratory mutants, we suggest that the ATP hypothesis might not be as obvious as previously suggested. (C) 2014 Elsevier B.V. and Mitochondria Research Society. All rights reserved.
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