Characterization of chromosomal segment substitution lines developed in the genetic background of rice variety K 343

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dc.contributor.authorNiharika
dc.contributor.authorSharma, Manmohan
dc.contributor.authorSalgotra, R.K.
dc.contributor.authorSharma, Mamta
dc.contributor.authorSharma, Richa
dc.contributor.authorRatnasekera, Disna
dc.contributor.authorAl-Ashkar, Ibrahim
dc.date.accessioned2024-12-24T19:09:49Z
dc.date.available2024-12-24T19:09:49Z
dc.date.issued2024
dc.departmentSiirt Üniversitesi
dc.description.abstractIn this study, BC3F2 convergent population [(K343*3/RML22 × K343*3/DHMAS) × K343] was constructed by marker-assisted backcross breeding using K343 as the recurrent parent. DHMAS and RML22 were used as donor parents for the rice blast resistance genes Pi54 and Pi9, respectively. The population was first characterized using GGT 2.0 software, which showed 96.7% of the recurrent genome recovery covering 13953.6 cM, while DHMAS and RML22 showed 1.6% (235.5 cM) and 1.2% (177.1 cM) introgression respectively. The chromosomal segment substitution lines (CSSLs) were then identified using CSSL Finder software. A total of 36 CSSLs were identified, including 22 for DHMAS/K343 and 14 for RML22/K343. Introgression rates for donor substituted segments in DHMAS/K343 CSSLs ranged from 0.54% to 5.99%, with donor coverage of 44.5%, while in RML22/K343 CSSLs, introgression rates ranged from 0.54% to 4.75%, with donor coverage of 24.5%. The identified CSSLs would be a valuable genetic pool and could be used as genomic resources for the discovery and mapping of important genes and QTLs in rice genetic improvement. © 2024 Cellular and Molecular Biology Association. All rights reserved.
dc.description.sponsorshipKing Saud University, KSU; School of Biotechnology
dc.identifier.doi10.14715/cmb/2024.70.5.5
dc.identifier.endpage32
dc.identifier.issn0145-5680
dc.identifier.issue5
dc.identifier.pmid38814238
dc.identifier.scopus2-s2.0-85194856378
dc.identifier.scopusqualityQ4
dc.identifier.startpage27
dc.identifier.urihttps://doi.org10.14715/cmb/2024.70.5.5
dc.identifier.urihttps://hdl.handle.net/20.500.12604/3802
dc.identifier.volume70
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherCellular and Molecular Biology Association
dc.relation.ispartofCellular and Molecular Biology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241222
dc.subjectConvergent population
dc.subjectCSSL
dc.subjectDHMAS
dc.subjectK343
dc.subjectRML22
dc.titleCharacterization of chromosomal segment substitution lines developed in the genetic background of rice variety K 343
dc.typeArticle

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