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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2019.02.013
|2 doi
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|a pubmed24n0991.xml
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|a eng
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| 100 |
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|a Liu, Huanhuan
|e verfasserin
|4 aut
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|a Genetic Architecture of domestication- and improvement-related traits using a population derived from Sorghum virgatum and Sorghum bicolor
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 22.07.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier B.V. All rights reserved.
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|a The genetic basis of domestication and improvement remains largely unknown in sorghum as a typical multiple-origins species. In this study, the F2 and F3 populations derived from a cross between Sorghum virgatum and domesticated sorghum were used to study the genetic architecture of domestication- and improvement-related traits. We found that human selection had greatly reshaped sorghum through the Quantitative Trait Loci (QTLs) with large genetic effects in the traits of harvest, plant architecture and grain taste including the reduction of shattering, few branches, short plant stature and the removal of polyphenols from seed. The expansion of seed width was selected to improve the yield through accumulating small-effect QTLs. Two major QTLs of plant height (QTI-ph1 and dw1) were narrowed down into 24.5-kilobase (kb) and 13.9-kb, respectively. DNA diversity analysis and association mapping of dw1 gene suggested the functional variant (A1361 T) might originate from the same event not long time ago. Our results supported that parallel phenotypic changes across different species during domestication and improvement might share the same genetic basis, QTL × QTL interactions might not play an important role in the reshaping of traits during sorghum domestication and improvement, and offered new views on transgressive segregation and segregation distortion. Our study greatly deepens our understandings of the genetic basis of sorghum domestication and improvement
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|a Journal Article
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|a Plant height
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|a QTL × QTL interaction
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|a Quantitative Trait Locus (QTL)
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|a Segregation distortion
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|a Sorghum domestication
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|a Transgressive segregation
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|a Liu, Hangqin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Leina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Zhongwei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 283(2019) vom: 25. Juni, Seite 135-146
|w (DE-627)NLM098174193
|x 1873-2259
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|g volume:283
|g year:2019
|g day:25
|g month:06
|g pages:135-146
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|u http://dx.doi.org/10.1016/j.plantsci.2019.02.013
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