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Comparative analysis of chromosome 2A molecular organization in diploid and hexaploid wheat
- 1.0523650 - ÚEB 2020 RIV NL eng J - Článek v odborném periodiku
Kaur, P. - Jindal, S. - Yadav, B. - Yadav, I. - Mahato, A. - Sharma, P. - Kaur, S. - Gupta, O. P. - Vrána, Jan - Šimková, Hana - Doležel, Jaroslav - Gill, B.S. - Meyer, K. F. X. - Khurana, J. P. - Singh, N.K. - Chhuneja, P. - Singh, K.
Comparative analysis of chromosome 2A molecular organization in diploid and hexaploid wheat.
Molecular Biology Reports. Roč. 47, č. 3 (2020), s. 1991-2003. ISSN 0301-4851. E-ISSN 1573-4978
Grant CEP: GA MŠk(CZ) EF16_019/0000827
Institucionální podpora: RVO:61389030
Klíčová slova: Anchoring * Chromosome 2A * Diploid wheat * Genetic map * Linkage map * Physical map
Kód oboru RIV: EB - Genetika a molekulární biologie
Obor OECD: Genetics and heredity (medical genetics to be 3)
Impakt faktor: 2.316, rok: 2020
Diploid A genome wheat species harbor immense genetic variability which has been targeted and proven useful in wheat improvement. Development and deployment of sequence-based markers has opened avenues for comparative analysis, gene transfer and marker assisted selection (MAS) using high throughput cost effective genotyping techniques. Chromosome 2A of wheat is known to harbor several economically important genes. The present study aimed at identification of genic sequences corresponding to full length cDNAs and mining of SSRs and ISBPs from 2A draft sequence assembly of hexaploid wheat cv. Chinese Spring for marker development. In total, 1029 primer pairs including 478 gene derived, 501 SSRs and 50 ISBPs were amplified in diploid A genome species Triticum monococcum and T. boeoticum identifying 221 polymorphic loci. Out of these, 119 markers were mapped onto a pre-existing chromosome 2A genetic map consisting of 42 mapped markers. The enriched genetic map constituted 161 mapped markers with final map length of 549.6 cM. Further, 2A genetic map of T. monococcum was anchored to the physical map of 2A of cv. Chinese Spring which revealed several rearrangements between the two species. The present study generated a highly saturated genetic map of 2A and physical anchoring of genetically mapped markers revealed a complex genetic architecture of chromosome 2A that needs to be investigated further.
Trvalý link: http://hdl.handle.net/11104/0307968
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