Journal article
Identification of a non-redundant set of 202 in silico SSR markers and applicability of a select set in chickpea (Cicer arietinum L.)
Euphytica, Vol.205(2), pp.381-394
2015
Abstract
The paucity of sequence information flanking the simple sequence repeat (SSR) motifs identified especially in the transcript sequences has been limiting factor in the development of SSR markers for plant genome analysis as well as breeding applications. To overcome this and enhance the genic SSR marker repertoire in chickpea, the draft genome sequence of kabuli chickpea (CDC Frontier) and publicly available transcript sequences consisting of in silico identified SSR motifs were deployed in the present study. In this direction, the 300 bp sequence flanking the SSR motifs were retrieved by aligning 566 SSR containing transcripts of ICCV 2 available in public domain on the reference chickpea genome. A set of 202 novel genic SSRs were developed from a set of 507 primer pairs designed, based on in silico amplification of single locus and having no similarity to the publicly available SSR markers. Further, 40 genic SSRs equally distributed on chickpea genome were validated on a select set of 44 chickpea genotypes (including 41 Cicer arietinum and 3 Cicer reticulatum), out of which 25 were reported to be polymorphic. The polymorphism information content (PIC) value of 25 polymorphic genic SSRs ranged from 0.11 to 0.77 and number of alleles varied from 2 to 9. Clear demarcation among founder lines of multi-parent advanced generation inter-cross (MAGIC) population developed at ICRISAT and near-isogenic nature of JG 11 and JG11 + demonstrates the usefulness of these markers in chickpea diversity analysis and breeding studies. Further, genic polymorphic SSRs reported between parental lines of 16 different mapping populations along with the novel SSRs can be deployed for trait mapping and breeding applications in chickpea.
Details
- Title
- Identification of a non-redundant set of 202 in silico SSR markers and applicability of a select set in chickpea (Cicer arietinum L.)
- Authors/Creators
- G. Agarwal (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsM.M. Sabbavarapu (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsV.K. Singh (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsM. Thudi (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsS. Sheelamary (Author/Creator) - National Bureau of Plant Genetic ResourcesP.M. Gaur (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsR.K. Varshney (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
- Publication Details
- Euphytica, Vol.205(2), pp.381-394
- Publisher
- Springer Nature
- Identifiers
- 991005541390307891
- Copyright
- © 2015 The Authors.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.96 QTL
- Web Of Science research areas
- Agronomy
- Horticulture
- Plant Sciences
- ESI research areas
- Plant & Animal Science