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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2017.12.004
|2 doi
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|a pubmed25n0934.xml
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|a (NLM)29362081
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|a (PII)S0168-9452(17)31034-8
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Sanchez, Darlene L
|e verfasserin
|4 aut
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|a Genome-wide association studies of doubled haploid exotic introgression lines for root system architecture traits in maize (Zea mays L.)
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|c 2018
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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 03.08.2018
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|a Date Revised 31.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier B.V. All rights reserved.
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|a Root system architecture (RSA) is becoming recognized as important for water and nutrient acquisition in plants. This study focuses on finding single nucleotide polymorphisms (SNPs) associated with seedling RSA traits from 300 doubled haploid (DH) lines derived from crosses between Germplasm Enhancement of Maize (GEM) accessions and inbred lines PHB47 and PHZ51. These DH lines were genotyped using 62,077 SNP markers, while root and shoot phenotype data were collected from 14-day old seedlings. Genome-wide association studies (GWAS) were conducted using three models to offset false positives/negatives. Multiple SNPs associated with seedling root traits were detected, some of which were within or linked to gene models that showed expression in seedling roots. Significant trait associations involving the SNP S5_152926936 on Chromosome 5 were detected in all three models, particularly the trait network area. The SNP is within the gene model GRMZM2G021110, which is expressed in roots at seedling stage. SNPs that were significantly associated with seedling root traits, and closely linked to gene models that encode proteins associated with root development were also detected. This study shows that the GEM-DH panel may be a source of allelic diversity for genes controlling seedling root development
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|a Journal Article
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|a Doubled haploids
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|a GWAS
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|a Germplasm enhancement of maize (GEM)
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| 650 |
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|a Maize
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|a Root system architecture
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| 650 |
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|a Zea mays L.
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| 700 |
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|a Liu, Sisi
|e verfasserin
|4 aut
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| 700 |
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|a Ibrahim, Rania
|e verfasserin
|4 aut
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| 700 |
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|a Blanco, Michael
|e verfasserin
|4 aut
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| 700 |
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|a Lübberstedt, Thomas
|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 268(2018) vom: 23. März, Seite 30-38
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
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|g volume:268
|g year:2018
|g day:23
|g month:03
|g pages:30-38
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|u http://dx.doi.org/10.1016/j.plantsci.2017.12.004
|3 Volltext
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