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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eru419
|2 doi
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|a pubmed24n0811.xml
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|a (NLM)25371505
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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 Ueda, Yoshiaki
|e verfasserin
|4 aut
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|a Genetic dissection of ozone tolerance in rice (Oryza sativa L.) by a genome-wide association study
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 22.02.2016
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|a Date Revised 13.11.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2014. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Tropospheric ozone causes various negative effects on plants and affects the yield and quality of agricultural crops. Here, we report a genome-wide association study (GWAS) in rice (Oryza sativa L.) to determine candidate loci associated with ozone tolerance. A diversity panel consisting of 328 accessions representing all subgroups of O. sativa was exposed to ozone stress at 60 nl l(-1) for 7h every day throughout the growth season, or to control conditions. Averaged over all genotypes, ozone significantly affected biomass-related traits (plant height -1.0%, shoot dry weight -15.9%, tiller number -8.3%, grain weight -9.3%, total panicle weight -19.7%, single panicle weight -5.5%) and biochemical/physiological traits (symptom formation, SPAD value -4.4%, foliar lignin content +3.4%). A wide range of genotypic variance in response to ozone stress were observed in all phenotypes. Association mapping based on more than 30 000 single-nucleotide polymorphism (SNP) markers yielded 16 significant markers throughout the genome by applying a significance threshold of P<0.0001. Furthermore, by determining linkage disequilibrium blocks associated with significant SNPs, we gained a total of 195 candidate genes for these traits. The following sequence analysis revealed a number of novel polymorphisms in two candidate genes for the formation of visible leaf symptoms, a RING and an EREBP gene, both of which are involved in cell death and stress defence reactions. This study demonstrated substantial natural variation of responses to ozone in rice and the possibility of using GWAS in elucidating the genetic factors underlying ozone tolerance
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Biomass production
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|a EREBP
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|a RING protein.
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|a genome-wide association study (GWAS)
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|a leaf symptoms
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|a lignin
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| 650 |
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|a ozone
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|a rice (Oryza sativa L.)
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| 650 |
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|a Air Pollutants
|2 NLM
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| 650 |
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|a Ozone
|2 NLM
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| 650 |
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|a 66H7ZZK23N
|2 NLM
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| 700 |
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|a Frimpong, Felix
|e verfasserin
|4 aut
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| 700 |
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|a Qi, Yitao
|e verfasserin
|4 aut
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|a Matthus, Elsa
|e verfasserin
|4 aut
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|a Wu, Linbo
|e verfasserin
|4 aut
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|a Höller, Stefanie
|e verfasserin
|4 aut
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|a Kraska, Thorsten
|e verfasserin
|4 aut
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|a Frei, Michael
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 66(2015), 1 vom: 03. Jan., Seite 293-306
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:66
|g year:2015
|g number:1
|g day:03
|g month:01
|g pages:293-306
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|u http://dx.doi.org/10.1093/jxb/eru419
|3 Volltext
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