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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erz171
|2 doi
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|a pubmed24n0986.xml
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|a (DE-627)NLM295935103
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|a (NLM)30972421
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Gao, Jingyang
|e verfasserin
|4 aut
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|a Linkage mapping and genome-wide association reveal candidate genes conferring thermotolerance of seed-set in maize
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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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|2 rdacarrier
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|a Date Completed 27.07.2020
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|a Date Revised 27.07.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a It is predicted that high-temperature stress will increasingly affect crop yields worldwide as a result of climate change. In order to determine the genetic basis of thermotolerance of seed-set in maize under field conditions, we performed mapping of quantitative trait loci (QTLs) in a recombinant inbred line (RIL) population using a collection of 8329 specifically developed high-density single-nucleotide polymorphism (SNP) markers, combined with a genome-wide association study (GWAS) of 261 diverse maize lines using 259 973 SNPs. In total, four QTLs and 17 genes associated with 42 SNPs related to thermotolerance of seed-set were identified. Among them, four candidate genes were found in both linkage mapping and GWAS. Thermotolerance of seed-set was increased significantly in near-isogenic lines (NILs) that incorporated the four candidate genes in a susceptible parent background. The expression profiles of two of the four genes showed that they were induced by high temperatures in the maize tassel in a tolerant parent background. Our results indicate that thermotolerance of maize seed-set is regulated by multiple genes each of which has minor effects, with calcium signaling playing a central role. The genes identified may be exploited in breeding programs to improve seed-set and yield of maize under heat stress
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Calcium signaling
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|a GWAS
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|a candidate genes
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|a high-density SNP markers
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|a high-temperature stress
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|a linkage mapping
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| 650 |
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|a maize
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|a seed-set
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| 650 |
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|a thermotolerance
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| 700 |
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|a Wang, Songfeng
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Zijian
|e verfasserin
|4 aut
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|a Wang, Shiwei
|e verfasserin
|4 aut
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|a Dong, Chaopei
|e verfasserin
|4 aut
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|a Mu, Cong
|e verfasserin
|4 aut
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|a Song, Yunxia
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|4 aut
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|a Ma, Peipei
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|4 aut
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|a Li, Chengcheng
|e verfasserin
|4 aut
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|a Wang, Zhao
|e verfasserin
|4 aut
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|a He, Kewei
|e verfasserin
|4 aut
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|a Han, Chunyan
|e verfasserin
|4 aut
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|a Chen, Jiafa
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Haidong
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Jianyu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 70(2019), 18 vom: 24. Sept., Seite 4849-4864
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:70
|g year:2019
|g number:18
|g day:24
|g month:09
|g pages:4849-4864
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|u http://dx.doi.org/10.1093/jxb/erz171
|3 Volltext
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|d 70
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|h 4849-4864
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