No evidence for local adaptation between cytoplasmic male sterility and nuclear restorer genes in the gynodioecious species Thymus vulgaris L

Article Abstract:

In the gynodioecious species Thymus vulgaris L., sex determination involves both the cytoplasmic and the nuclear genomes. Evolution events of cytoplasmic male-sterility genes and nuclear restorer genes constitute a coevolutionary conflict. Cytoplasm regulates male sterility, that is, the female phenotype, and specific nuclear genes may restore male fertility for the hermaphrodite phenotype. No evidence for local adaptation of cytoplasmic male sterility and nuclear restorer genes exists in the species.

Environmental aspects, Biodiversity, Adaptation (Biology), Evolutionary adaptation, Geography, Botany, Species diversity, Cytoplasmic male sterility

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Quantitative genetics of floral traits in a gynodioecious wild strawberry Fragaria virginiana: implications for the independent evolution of female and hermaphrodite floral phenotypes

Article Abstract:

Results show that in gynodioecious plant population greater sexual dimorphism can occur. Data indicate that sex morphs differ significantly in their heritabilities of shared floral traits such as stamen length, petal length, and carpel number as seen in wild strawberry population.

United States, Statistical Data Included, Analysis, Usage, Developmental genetics, Strawberries, Dimorphism (Biology), Dimorphism (Plants)

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