Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 18, Issue -, Pages 110-116Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2014.02.012
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Funding
- Fujian Agriculture and Forestry University
- NSF Plant Genome Research Program [DBI 0922545]
- Program Sac lay Plant Sciences (SPS) [ANR-10-LABX-40]
- ANR MELODY [ANR-11-BSV7-0024]
- European Research Council (ERC-SEXYPARTH)
- Agence Nationale de la Recherche (ANR) [ANR-11-BSV7-0024] Funding Source: Agence Nationale de la Recherche (ANR)
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [0922545] Funding Source: National Science Foundation
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Sex determination is a major switch in the evolutionary history of angiosperm, resulting 11% monoecious and dioecious species. The genomic sequences of papaya sex chromosomes unveiled the molecular basis of recombination suppression in the sex determination region, and candidate genes for sex determination. Identification and analyses of sex determination genes in cucurbits and maize demonstrated conservation of sex determination mechanism in one lineage and divergence between the two systems. Epigenetic control and hormonal influence of sex determination were elucidated in both plants and animals. Intensive investigation of potential sex determination genes in model species will improve our understanding of sex determination gene network. Such network will in turn accelerate the identification of sex determination genes in dioecious species with sex chromosomes, which are burdensome due to no recombination in sex determining regions. The sex determination genes in dioecious species are crucial for understanding the origin of dioecy and sex chromosomes, particularly in their early stage of evolution.
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