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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14400
|2 doi
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|a pubmed24n0892.xml
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|a (DE-627)NLM267815425
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|a (NLM)28067953
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Xu, Guanghui
|e verfasserin
|4 aut
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| 245 |
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|a Complex genetic architecture underlies maize tassel domestication
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 22.02.2018
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|a Date Revised 08.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Maize (Zea mays) tassels underwent profound morphological changes during maize domestication and improvement. Although a number of genes affecting maize inflorescence development have been identified, the genetic basis of the morphological changes in maize tassels since domestication is not well understood. Here, using a large population of 866 maize-teosinte BC2 S3 recombinant inbred lines genotyped using 19 838 single nucleotide polymorphism (SNP) markers, we performed high-resolution quantitative trait locus (QTL) mapping for five tassel morphological traits. We showed that the five tassel traits were associated with different genetic architecture features. Known genes for maize inflorescence development identified by mutagenesis were significantly enriched in the tassel trait QTLs, and many of these genes, including ramosa1 (ra1), barren inflorescence2 (bif2), unbranched2 (ub2), zea floricaula leafy2 (zfl2) and barren stalk fastigiate1 (baf1), showed evidence of selection. An in-depth nucleotide diversity analysis at the bif2 locus identified strong selection signatures in the 5'-regulatory region. We also found that several known flowering time genes co-localized with tassel trait QTLs. A further association analysis indicated that the maize photoperiod gene ZmCCT was significantly associated with tassel size variation. Using near-isogenic lines, we narrowed down a major-effect QTL for tassel length, qTL9-1, to a 513-kb physical region. These results provide important insights into the genetic architecture that controls maize tassel evolution
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|a Journal Article
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|a candidate gene
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|a genetic architecture
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|a maize
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|a quantitative trait locus (QTL)
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4 |
|a tassel
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|a Wang, Xufeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Cheng
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Dingyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Dan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Jinge
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Qiuyue
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Chenglong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Yameng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Yaoyao
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Xiaohong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Feng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 214(2017), 2 vom: 06. Apr., Seite 852-864
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:214
|g year:2017
|g number:2
|g day:06
|g month:04
|g pages:852-864
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|u http://dx.doi.org/10.1111/nph.14400
|3 Volltext
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