Intraspecific diversification of the crop wild relative Brassica cretica Lam. using demographic model selection
نویسندگان
چکیده
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Selection during crop diversification involves correlated evolution of the circadian clock and ecophysiological traits in Brassica rapa.
Crop selection often leads to dramatic morphological diversification, in which allocation to the harvestable component increases. Shifts in allocation are predicted to impact (as well as rely on) physiological traits; yet, little is known about the evolution of gas exchange and related anatomical features during crop diversification. In Brassica rapa, we tested for physiological differentiation...
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Self-incompatibility (SI) in plants is a classic example of a trait evolving under strong frequency-dependent selection. As a consequence, population genetic theory predicts that the S locus, which controls SI, should maintain numerous alleles, display a high level of nucleotide diversity, and, in structured populations, show a lower level of among-population differentiation compared to neutral...
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The direct progenitor of maize, teosinte, is indigenous to a relatively small range of tropical and sub-tropical latitudes. In contrast, domesticated maize thrives in temperate climates around the world as a result of artificial selection for adaption to these regions. Tripsacum, a sister genus to maize and teosinte, is naturally endemic to almost all areas in the western hemisphere where maize...
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ژورنال
عنوان ژورنال: BMC Genomics
سال: 2020
ISSN: 1471-2164
DOI: 10.1186/s12864-019-6439-x