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- W2137813241 endingPage "776" @default.
- W2137813241 startingPage "764" @default.
- W2137813241 abstract "Miscanthus lutarioriparius is an endemic species that grows along the middle and lower reaches of the Yangtze River and is a valuable source of germplasm for the development of second-generation energy crops. The plant that propagates via seeds, stem nodes, and rhizomes shows high phenotypic variation and strong local adaptation. Here, we examined the magnitude and spatial distribution of genetic variation in M. lutarioriparius across its entire distributional range and tested underlying factors that shaped its genetic variation. Population genetic analyses were conducted on 644 individuals from 25 populations using 16 microsatellite markers. M. lutarioriparius exhibited a high level of genetic variation (HE = 0.682–0.786; Ar = 4.74–8.06) and a low differentiation (FST = 0.063; Dest = 0.153). Of the total genetic variation, 10% was attributed to the differences among populations (df = 24, P < 0.0001), whereas 90% was attributed to the differences among individuals (df = 619, P ≤ 0.0001). Genetic diversity did not differ significantly across longitudes and did not increase in the populations growing downstream of the Yangtze River. However, significant associations were found between genetic differentiation and spatial distance. Six genetic discontinuities were identified, which mostly distributed among downstream populations. We conclude that anthropogenic factors and landscape features both contributed to shaping the pattern of gene flow in M. lutarioriparius, including long-distance bidirectional dispersal. Our results explain the genetic basis of the high degree of adaptability in M. lutarioriparius and identify potential sources of new germplasm for the domestication of this potential second-generation energy crop." @default.
- W2137813241 created "2016-06-24" @default.
- W2137813241 creator A5005578291 @default.
- W2137813241 creator A5015503110 @default.
- W2137813241 creator A5021490163 @default.
- W2137813241 creator A5047767249 @default.
- W2137813241 creator A5060170380 @default.
- W2137813241 creator A5070428967 @default.
- W2137813241 creator A5074412118 @default.
- W2137813241 date "2015-07-29" @default.
- W2137813241 modified "2023-09-23" @default.
- W2137813241 title "Genetic variation and bidirectional gene flow in the riparian plant<i>Miscanthus lutarioriparius</i>, across its endemic range: implications for adaptive potential" @default.
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