Evidence map›Paper›PMID 30429540›Full record

ArticleScientific reports2018

Genome-wide discovery of DNA polymorphisms among chickpea cultivars with contrasting seed size/weight and their functional relevance.

Mohan Singh Rajkumar, Rohini Garg, Mukesh Jain

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Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

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5citing papers in PubMed
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1 · What the graph read from it

What it found

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3 · Its place in the literature

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5 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Mohan Singh RajkumarSchool of Computational & Integrative Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
Rohini GargDepartment of Life Sciences, School of Natural Sciences, Shiv Nadar University, Gautam Buddha Nagar, Uttar Pradesh, 201314, India.
Mukesh JainSchool of Computational & Integrative Sciences, Jawaharlal Nehru University, New Delhi, 110067, India. mjain@jnu.ac.in.ORCID http://orcid.org/0000-0002-7622-1083

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Seed size/weight is a major agronomic trait which determine crop productivity in legumes. To understand the genetic basis of seed size determination, we sought to identify DNA polymorphisms between two small (Himchana 1 and Pusa 362) and two large-seeded (JGK 3 and PG 0515) chickpea cultivars via whole genome resequencing. We identified a total of 75535 single nucleotide polymorphisms (SNPs), 6486 insertions and deletions (InDels), 1938 multi-nucleotide polymorphisms (MNPs) and 5025 complex variants between the two small and two large-seeded chickpea cultivars. Our analysis revealed 814, 244 and 72 seed-specific genes harboring DNA polymorphisms in promoter or non-synonymous and large-effect DNA polymorphisms, respectively. Gene ontology analysis revealed enrichment of cell growth and division related terms in these genes. Among them, at least 22 genes associated with quantitative trait loci, and those involved in cell growth and division and encoding transcription factors harbored promoter and/or large-effect/non-synonymous DNA polymorphisms. These also showed higher expression at late-embryogenesis and/or mid-maturation stages of seed development in the large-seeded cultivar, suggesting their role in seed size/weight determination in chickpea. Altogether, this study provided a valuable resource for large-scale genotyping applications and a few putative candidate genes that might play crucial role in governing seed size/weight in chickpea.

Indexed as

Cell DivisionCell ProliferationCicerGene OntologyGenome, PlantPolymorphism, GeneticPolymorphism, Single NucleotideSeedsSpecies Specificity

Identifiers

PMID30429540
PMCPMC6235875

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