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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2020.110669
|2 doi
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|a pubmed25n1059.xml
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|a (NLM)33218635
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|a (PII)S0168-9452(20)30275-2
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|e rakwb
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|a eng
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| 100 |
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|a Yang, Jing
|e verfasserin
|4 aut
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|a Genome-wide association study reveals novel genetic loci contributing to cold tolerance at the germination stage in indica rice
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|c 2020
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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
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|2 rdacarrier
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|a Date Completed 19.04.2021
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|a Date Revised 19.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier B.V. All rights reserved.
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|a Low temperature at the germination stage is one of the major abiotic stresses limiting rice (Oryza sativa L.) production, especially in regions where rice seeds are sown directly. However, few relevant genetic loci and genes have been identified. In this study, we report the phenotypic analysis of low temperature germination (LTG) in 200 indica rice varieties and a genome-wide association study (GWAS) of LTG in this collection using 161,657 high-quality SNPs, which were identified via genotyping-by-sequencing (GBS) of all the rice varieties. A total of 159 genetic loci were detected, and they were evenly distributed on all 12 chromosomes. Among them, 51 loci were detected more than twice; in particular, 23 loci were detected repeatedly in both the wet and dry seasons, and 569 genes were predicted in the 200-kb genomic region harbouring these 23 loci. Furthermore, 14,742 differentially expressed genes (DEGs) were identified using RNA sequencing. By integrating GWAS and RNA sequencing, 179 candidate DEGs were obtained. Sequence variation in the region of loci 95 was analyzed using 20 varieties with extreme phenotype. The polymorphisms of three DEGs (Os07g0585500, Os07g0585700, Os07g0585900) were associated with their phenotypes. Haplotype analysis of the three genes demonstrated that almost all the varieties with the same haplotype as japonica Nipponbare on the three DEGs showed high LTG ability. These findings provide valuable information for understanding the genetic control of LTG and performing molecular breeding with marker-assisted selection in indica rice
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|a Journal Article
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|a GWAS
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|a Gene
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|a Indica rice
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|a Low-temperature germination
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|a RNA sequencing
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|a Yang, Meng
|e verfasserin
|4 aut
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|a Su, Ling
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Danhua
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Cuihong
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Hui
|e verfasserin
|4 aut
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|a Guo, Tao
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Zhiqiang
|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 301(2020) vom: 15. Dez., Seite 110669
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
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|g volume:301
|g year:2020
|g day:15
|g month:12
|g pages:110669
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|u http://dx.doi.org/10.1016/j.plantsci.2020.110669
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