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Genome-wide association study reveals genomic regions controlling root and shoot traits at late growth stages in wheat

Published on Apr 9, 2019in Annals of Botany3.454
路 DOI :10.1093/aob/mcz041
Long Li2
Estimated H-index: 2
,
Zhi Peng1
Estimated H-index: 1
+ 4 AuthorsRuilian Jing23
Estimated H-index: 23
Abstract
  • References (70)
  • Citations (2)
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References70
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#1Zilong Guo (HAU: Huazhong Agricultural University)H-Index: 10
#2Wanneng Yang (HAU: Huazhong Agricultural University)H-Index: 13
Last. Lizhong Xiong (HAU: Huazhong Agricultural University)H-Index: 52
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Abstract Understanding how plants respond to drought can benefit drought resistance (DR) breeding. Using a non-destructive phenotyping facility, 51 image-based traits (i-traits) for 507 rice accessions were extracted. These i-traits can be used to monitor drought responses聽and evaluate DR. High heritability and large variation of these traits was observed under drought stress in the natural population. A genome-wide association study (GWAS) of聽i-traits and traditional DR traits identified 470 as...
10 CitationsSource
#1Heng Ye (MU: University of Missouri)H-Index: 3
#2Li Song (MU: University of Missouri)H-Index: 15
Last. Henry T. Nguyen (MU: University of Missouri)H-Index: 70
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9 CitationsSource
#1Brett Ford (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 3
#2Eloise Foo (UTAS: University of Tasmania)H-Index: 20
Last. Wolfgang Spielmeyer (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 40
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Semidwarfing genes have improved crop yield by reducing height, improving lodging resistance, and allowing plants to allocate more assimilates to grain growth. In wheat (Triticum aestivum), the Rht18 semidwarfing gene was identified and deployed in durum wheat before it was transferred into bread wheat, where it was shown to have agronomic potential. Rht18, a dominant and gibberellin (GA) responsive mutant, is genetically and functionally distinct from the widely used GA-insensitive semidwarfing...
12 CitationsSource
#1Shenghui ZhouH-Index: 3
#2Jinpeng ZhangH-Index: 14
Last. Lihui LiH-Index: 14
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Summary Agropyron Gaertn. (P genome) is a wild relative of wheat that harbours many genetic variations that could be used to increase the genetic diversity of wheat. To agronomically transfer important genes from the P genome to a wheat chromosome by induced homoeologous pairing and recombination, it is necessary to determine the chromosomal relationships between Agropyron and wheat. Here, we report using the wheat 660K single nucleotide polymorphism (SNP) array to genotype a segregating Agropyr...
16 CitationsSource
#1Jia Wei (NAU: Nanjing Agricultural University)H-Index: 3
#2Yi Zheng (NAU: Nanjing Agricultural University)H-Index: 1
Last. Guohua Xu (NAU: Nanjing Agricultural University)H-Index: 39
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3 CitationsSource
#1Kai P. Voss-Fels (University of Giessen)H-Index: 8
#2Hannah Robinson (UQ: University of Queensland)H-Index: 3
Last. Lee T. Hickey (UQ: University of Queensland)H-Index: 14
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31 CitationsSource
#1Frank Hochholdinger (University of Bonn)H-Index: 36
#2Peng Yu (University of Bonn)H-Index: 13
Last. Caroline Marcon (University of Bonn)H-Index: 16
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The maize root system comprises structurally and functionally different root types. Mutant analyses have revealed that root-type-specific genetic regulators intrinsically determine the maize root system architecture. Molecular cloning of these genes has demonstrated that key elements of auxin signal transduction, such as LOB domain (LBD) and Aux/IAA proteins, are instrumental for seminal, shoot-borne, and lateral root initiation. Moreover, genetic analyses have demonstrated that genes related to...
19 CitationsSource
#1Chao Fang (CAS: Chinese Academy of Sciences)H-Index: 10
#2Yanming Ma (CAS: Chinese Academy of Sciences)H-Index: 5
Last. Zhixi Tian (CAS: Chinese Academy of Sciences)H-Index: 21
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Background Soybean (Glycine max [L.] Merr.) is one of the most important oil and protein crops. Ever-increasing soybean consumption necessitates the improvement of varieties for more efficient production. However, both correlations among different traits and genetic interactions among genes that affect a single trait pose a challenge to soybean breeding.
43 CitationsSource
#1Habtamu Ayalew (UWA: University of Western Australia)H-Index: 5
#2Hui Liu (UWA: University of Western Australia)H-Index: 7
Last. Guijun Yan (UWA: University of Western Australia)H-Index: 25
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Thorough understanding of the genetic mechanisms governing drought adaptive traits can facilitate drought resistance improvement. This study was conducted to identify chromosome regions harbouring QTLs contributing for water stress resistance in wheat. A RIL mapping population derived from a cross between W7984 (Synthetic) and Opata 85 was phenotyped for root length and root dry weight under water stress and non-stress growing conditions. ANOVA showed highly significant (p 鈮 0.01) variation amon...
11 CitationsSource
#1Bin ZhangH-Index: 3
#2Weina XuH-Index: 2
Last. Ruilian JingH-Index: 23
view all 9 authors...
Maintaining high and stable yields has become an increasing challenge in wheat breeding due to climate change. Although Squamosa-promoter binding protein (SBP)-box genes have important roles in plant development, very little is known about the actual biological functions of wheat SBP-box family members. Here, we dissect the functional conservation, divergence, and exploitation of homoeologs of two paralogous TaSPL wheat loci during domestication and breeding. TaSPL20 and TaSPL21 were highly expr...
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Cited By2
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#2Sylvie Cloutier (AAFC: Agriculture and Agri-Food Canada)H-Index: 35
Last. Frank M. You (AAFC: Agriculture and Agri-Food Canada)H-Index: 13
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Flax始s fiber yield and quality can be severely impaired due to water deprivation. Herein, 41 diverse flax accessions were evaluated for four agronomic and four root traits under drought stress (DS) and irrigated (IR) conditions. In order to identify quantitative trait nucleotides (QTNs) positively influencing the stability of these traits under DS, the stress tolerance index (STI) and trait stability index were calculated, which were analyzed using two single-locus and three multi-locus genome-w...
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#1Huiyan Wang (Shanxi Agricultural University)H-Index: 1
#2Shuguang Wang (Shanxi Agricultural University)H-Index: 2
Last. Ruilian JingH-Index: 2
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Background Premature senescence of flag leaf severely affects wheat yield and quality. Chlorophyll (Chl) degradation is the most obvious symptom during leaf senescence and catalyzed by a series of enzymes. Pheophytin pheophorbide hydrolase (Pheophytinase, PPH) gene encodes a Chl degradation hydrolase.
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#1Philip J. White (James Hutton Institute)H-Index: 61
Source
#1Martina Rosell贸H-Index: 2
#2Conxita RoyoH-Index: 35
Last. Jose Miguel SorianoH-Index: 4
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Roots are crucial for adaptation to drought stress. However, phenotyping root systems is a difficult and time-consuming task due to the special feature of the traits in the process of being analyzed. Correlations between root system architecture (RSA) at the early stages of development and in adult plants have been reported. In this study, the seminal RSA was analysed on a collection of 160 durum wheat landraces from 21 Mediterranean countries and 18 modern cultivars. The landraces showed large ...
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