2016
DOI: 10.3389/fpls.2016.01737
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Development and Evaluation of Chromosome Segment Substitution Lines Carrying Overlapping Chromosome Segments of the Whole Wild Rice Genome

Abstract: Common wild rice (Oryza rufipogon Griff.) represents an important resource for rice improvement. Genetic populations provide the basis for a wide range of genetic and genomic studies. In particular, chromosome segment substitution lines (CSSLs) are most powerful tools for the detection and precise mapping of quantitative trait loci (QTLs). In this study, 146 CSSLs were produced; they were derived from the crossing and back-crossing of two rice cultivars: Dongnanihui 810 (Oryza sativa L.), an indica rice cultiv… Show more

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Cited by 14 publications
(15 citation statements)
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“…NILs have been developed and used for genetic studies and the ne mapping of QTLs for genome-wide target traits [22]. For example, each NIL carries one or more donor chromosome segments, which provides distinct advantages for QTL identi cation, and a QTL can be visualized as a single Mendelian factor by blocking background genetic noise.…”
Section: Discussionmentioning
confidence: 99%
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“…NILs have been developed and used for genetic studies and the ne mapping of QTLs for genome-wide target traits [22]. For example, each NIL carries one or more donor chromosome segments, which provides distinct advantages for QTL identi cation, and a QTL can be visualized as a single Mendelian factor by blocking background genetic noise.…”
Section: Discussionmentioning
confidence: 99%
“…OsIAA6 is involved in drought tolerance and tiller outgrowth [20], and the OsIAA10 protein directly targets the rice dwarf virus P2 protein and enhances viral infection and disease development [21]. Near-isogenic lines (NILs) carry one or more donor chromosome segments, which provides distinct advantages for QTL identi cation [22]. Moreover, NILs can block background genetic noise, undoubtedly enhance our understanding of complex traits and promote plant genomic studies [22,23].…”
Section: Introductionmentioning
confidence: 99%
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“…Introgression lines are genetic resource in which the whole genome of a donor genotype is represented by different segments in the genetic background of elite varieties. Genetic background noise of ILs can be eliminated signi cantly, which can be evaluated for any traits improvement over the recurrent parents for rice breeding, also for QTL mapping and gene discovering as a single Mendelian factor, in addition, potential favorable genes hidden in the background of related species could be expressed in the genetic background of cultivated rice (Ballini et al 2007;Eizenga et al 2008;Bian et al 2010;Rama et al 2015;Jin et al 2016;Yang et al 2016;Bhatia et al 2017;Yamagata et al 2019;Bhatia et al 2018). Thus, ILs eliminating hybrid sterility, linkage drags and background noise, are one of the most important genetic resource for QTL mapping, gene identi cation and discovery and rapid utilization for commercial breeding.…”
Section: Introductionmentioning
confidence: 99%
“…Their high detection power makes it possible to manipulate a QTL as a simple Mendelian factor, subsequently allowing gene isolation by positional cloning. In addition, they offer the potential for favorable genes hidden in the genetic background of related species to be discovered in the genetic background of cultivated species (Arbelaez et al 2015, Bessho-Uehara et al 2017, Cheema et al 2008, Doi et al 1997, Furuta et al 2014, Gutiérrez et al 2010, He et al 2017, Hirabayashi et al 2010, Qiao et al 2016, Ramos et al 2016, Rangel et al 2008, Shim et al 2010, Tian et al 2006, Yang et al 2016). Therefore, the genetic resources of related species in GP1 or GP2 could be transferred into the genetic background of cultivated species to form a foundation for studies of genetic variation of closed related rice.…”
Section: Introductionmentioning
confidence: 99%