期刊
CURRENT OPINION IN MICROBIOLOGY
卷 14, 期 6, 页码 634-641出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.mib.2011.10.005
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- NIGMS NIH HHS [R01 GM078376-04S1, R01 GM078376-01, R01 GM078376, R01 GM078376-03, R01 GM078376-06, R01 GM078376-04, R01 GM078376-05, R01 GM078376-02, R01 GM078376-07] Funding Source: Medline
Sexual reproduction in Volvocine algae coevolved with the acquisition of multicellularity. Unicellular genera such as Chlamydomonas and small colonial genera from this group have classical mating types with equal-sized gametes, while larger multicellular genera such as Volvox have differentiated males and females that produce sperm and eggs respectively. Newly available sequence from the Volvox and Chlamydomonas genomes and mating loci open up the potential to investigate how sex-determining regions co-evolve with major changes in development and sexual reproduction. The expanded size and sequence divergence between the male and female haplotypes of the Volvox mating locus (MT) not only provide insights into how the colonial Volvocine algae might have evolved sexual dimorphism, but also raise questions about why the putative ancestral-like MT locus in Chlamydomonas shows less divergence between haplotypes than expected.
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