EST-SSR analysis provides insights about genetic relatedness, population structure and gene flow in grass pea (Lathyrus sativus)

K.R. Soren; A. Yadav; G. Pandey; P. Gangwar; A.K. Parihar; A. Bohra; G.P. Dixit; S. Datta; N.P. Singh; M. Prasad

doi:10.1111/pbr.12268

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EST-SSR analysis provides insights about genetic relatedness, population structure and gene flow in grass pea (Lathyrus sativus)

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EST-SSR analysis provides insights about genetic relatedness, population structure and gene flow in grass pea (Lathyrus sativus)

K.R. Soren, A. Yadav, G. Pandey, P. Gangwar, A.K. Parihar, A. Bohra, G.P. Dixit, S. Datta, N.P. Singh and M. Prasad

Plant Breeding, Vol.134(3), pp.338-344

2015

DOI: https://doi.org/10.1111/pbr.12268

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Abstract

Grass pea (Lathyrus sativus) is an important food-legume crop for resource-poor farmers in the developing world. However, given its cultivation in the most underprivileged regions, the crop has not received appropriate scientific attention particularly from the genomic perspective, thereby giving it a status of genomic orphan. Nevertheless, some recent studies have attempted to develop modern molecular tools to strengthen the genetic and genomic research. In the present investigation, a comprehensive collection comprising 176 accessions was analysed using EST-simple sequence repeats (SSRs). The SSR analysis revealed existence of a total of 51 alleles with an average polymorphic information content value of 0.35. A moderate level of gene diversity was noticed that ranged from 0.04 to 0.73 with an average of 0.43. Noticeably, two distinct subpopulations were recovered using cluster analysis. In addition, the presence of admixtures in population reflected the strong possibilities of gene flow between the accessions across the geographical boundary. In summary, we provide additional insights about the informativeness of available EST-SSR markers along with an extended understanding of relatedness, genetic structure and gene flow in an under-researched legume crop.

Details

Title: EST-SSR analysis provides insights about genetic relatedness, population structure and gene flow in grass pea (Lathyrus sativus)
Authors/Creators: K.R. Soren (Author/Creator) - Indian Institute of Pulses Research
A. Yadav (Author/Creator) - Indian Agricultural Research Institute
G. Pandey (Author/Creator) - Sam Higginbottom Institute of Agriculture
P. Gangwar (Author/Creator) - Indian Institute of Pulses Research
A.K. Parihar (Author/Creator) - Indian Institute of Pulses Research
A. Bohra (Author/Creator) - Indian Institute of Pulses Research
G.P. Dixit (Author/Creator) - Indian Institute of Pulses Research
S. Datta (Author/Creator) - Indian Institute of Pulses Research
N.P. Singh (Author/Creator) - Indian Institute of Pulses Research
M. Prasad (Author/Creator)
Publication Details: Plant Breeding, Vol.134(3), pp.338-344
Publisher: Blackwell Publishing
Identifiers: 991005543682307891
Copyright: © 2015 Blackwell Verlag GmbH
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.4 Crop Science; 3.4.96 QTL
Web Of Science research areas: Agronomy; Biotechnology & Applied Microbiology; Plant Sciences
ESI research areas: Plant & Animal Science