A new wrinkle in our understanding of the role played by auxin in root gravitropism

Su, Shih-Heng; Masson, Patrick

doi:10.1111/nph.16140

Cited by 4 publications

(1 citation statement)

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“…These included a QTL on chromosome 4 that was 33 kb distant from a gene model for an auxin transporter component. Recent research has shown that auxin can upregulate genes for starch synthesis (Su & Masson, 2019). A third starch QTL was located on chromosome 5 within 7 kb to a guanosine diphosphate‐mannose transporter gene model.…”

Section: Discussionmentioning

confidence: 99%

Kabuli chickpea seed quality diversity and preliminary genome‐wide association study identifies markers and potential candidate genes

Mugabe,

Frieszell,

Warburton

et al. 2023

Agrosystems Geosci & Env

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Malnutrition due to macro‐ and micro‐nutrient deficiencies is one of the major global health concerns, especially in developing countries. Using genomics‐assisted breeding to enhance the nutritional value of important crops such as chickpea (Cicer arietinum L.) can help to address the problem. In this study, we conducted genome‐wide association studies to identify genes associated with protein, starch, oil, and fiber in chickpea to create resources to speed the breeding process. The USDA kabuli chickpea mini‐core of 88 accessions was genotyped using genotyped‐by‐sequencing, and 36,645 single nucleotide polymorphisms (SNPs) were identified across the eight chromosomes of the chickpea genome. A genome‐wide marker‐trait analysis using the FarmCPU model was conducted to identify SNP markers that can enable marker‐assisted breeding for seed protein, fiber, oil, and starch concentrations. The most significantly associated markers for seed protein concentration (p = 8.82E‐12), starch (p = 2.79E‐12), fiber (p = 7.65E‐12), and oil (p = 1.37E‐08) were found on chromosomes 1, 2, 6, and 7, controlling 11%, 12%, 20%, and 16% of the phenotypic variation, respectively. Validation of the SNP markers in a broader set of plant genetic resources and environments will be needed to determine their usefulness in breeding for end‐use characteristics.

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Section: Discussionmentioning

confidence: 99%