ArticleBMC plant biology2010
Identification of a Rice stripe necrosis virus resistance locus and yield component QTLs using Oryza sativa x O. glaberrima introgression lines.
Article in BMC plant biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 75 citations in OpenAlex.
- Article
- Genomic introgressions from African rice (Oryza glaberrima) in Asian rice (O. sativa) lead to the identification of key QTLs for panicle architecture.BMC genomics · 2023Article
- The International Oryza Map Alignment Project (IOMAP): the Americas-past achievements and future directions.Journal of experimental botany · 2023Article
- Genetic characterization and fine mapping ofMolecular breeding : new strategies in plant improvement · 2022Article
- A Genetic Resource for Rice Improvement: Introgression Library of Agronomic Traits for All AA GenomeFrontiers in plant science · 2022Article
- Introgression Lines: Valuable Resources for Functional Genomics Research and Breeding in Rice (Frontiers in plant science · 2022Review
- Exploring the Loci Responsible for Awn Development in Rice through Comparative Analysis of All AA Genome Species.Plants (Basel, Switzerland) · 2021Article
- ddRAD-seq derived genome-wide SNPs, high density linkage map and QTLs for fruit quality traits in strawberry (3 Biotech · 2020Article
- Identification and Fine Mapping ofFrontiers in plant science · 2020Article
- Advances in Molecular Genetics and Genomics of African Rice (Plants (Basel, Switzerland) · 2019Review
- Development of introgression lines of AA genomeBreeding science · 2019Article
- Development and use of chromosome segment substitution lines as a genetic resource for crop improvement.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Review
- Construction of rice chromosome segment substitution lines harboringBreeding science · 2017Article
- Epistatic determinism of durum wheat resistance to the wheat spindle streak mosaic virus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Article
- Fine Mapping of Two Additive Effect Genes for Awn Development in Rice (Oryza sativa L.).PloS one · 2016Article
- Fine mapping of S37, a locus responsible for pollen and embryo sac sterility in hybrids between Oryza sativa L. and O. glaberrima Steud.Plant cell reports · 2015Article
- A BIL Population Derived from G. hirsutum and G. barbadense Provides a Resource for Cotton Genetics and Breeding.PloS one · 2015Article
- An extensive analysis of the African rice genetic diversity through a global genotyping.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Article
- Flooding tolerance in interspecific introgression lines containing chromosome segments from teosinte (Zea nicaraguensis) in maize (Zea mays subsp. mays).Annals of botany · 2013Article
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDeveloping new population types based on interspecific introgressions has been suggested by several authors to facilitate the discovery of novel allelic sources for traits of agronomic importance. Chromosome segment substitution lines from interspecific crosses represent a powerful and useful genetic resource for QTL detection and breeding programs.
resultsWe built a set of 64 chromosome segment substitution lines carrying contiguous chromosomal segments of African rice Oryza glaberrima MG12 (acc. IRGC103544) in the genetic background of Oryza sativa ssp. tropical japonica (cv. Caiapó). Well-distributed simple-sequence repeats markers were used to characterize the introgression events. Average size of the substituted chromosomal segments in the substitution lines was about 10 cM and covered the whole donor genome, except for small regions on chromosome 2 and 4. Proportions of recurrent and donor genome in the substitution lines were 87.59% and 7.64%, respectively. The remaining 4.78% corresponded to heterozygotes and missing data. Strong segregation distortion was found on chromosomes 3 and 6, indicating the presence of interspecific sterility genes. To illustrate the advantages and the power of quantitative trait loci (QTL) detection using substitution lines, a QTL detection was performed for scored traits. Transgressive segregation was observed for several traits measured in the population. Fourteen QTLs for plant height, tiller number per plant, panicle length, sterility percentage, 1000-grain weight and grain yield were located on chromosomes 1, 3, 4, 6 and 9. Furthermore, a highly significant QTL controlling resistance to the Rice stripe necrosis virus was located between SSR markers RM202-RM26406 (44.5-44.8 cM) on chromosome 11.
conclusionsDevelopment and phenotyping of CSSL libraries with entire genome coverage represents a useful strategy for QTL discovery. Mapping of the RSNV locus represents the first identification of a genetic factor underlying resistance to this virus. This population is a powerful breeding tool. It also helps in overcoming hybrid sterility barriers between species of rice.
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