ArticlePloS one2017
Intragenic recombination between two non-functional semi-dwarf 1 alleles produced a functional SD1 allele in a tall recombinant inbred line in rice.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Class I TCP transcription factor OsTCP4 suppresses plant height via negatively regulating the green revolution genePlant diversity · 2026Article
- Five plants per RIL for phenotyping traits of high or moderate heritability ensure the power of QTL mapping in a rice MAGIC population.Molecular breeding : new strategies in plant improvement · 2022Article
- Identifying mutations in sd1, Pi54 and Pi-ta, and positively selected genes of TN1, the first semidwarf rice in Green Revolution.Botanical studies · 2022Article
- Multiple Mechanisms Drive the Evolutionary Adaptation ofJournal of fungi (Basel, Switzerland) · 2021Article
- CRISPR/Cas9 Directed Mutagenesis ofInternational journal of molecular sciences · 2020Article
- Generation of semi-dwarf rice (3 Biotech · 2019Article
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5 authors.
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Abstract
Intragenic recombination is one of the most important sources of genetic variability. In our previous study, RI92 a tall line (160 cm of plant height) was observed in the cross progeny between two semi-dwarf indica cultivars Zhenshan 97 and Minghui 63. Genome-wide genotyping and sequencing indicated that the genome constitution of RI92 was completely from both parents. Bulk segregant analysis in a BC3F2 population revealed that "green revolution gene" semi-dwarf 1 (sd1) was most likely the gene controlling the tall plant height in RI92. Sequencing analysis of SD1 revealed that an intragenic recombination occurred between two parental non-functional sd1 alleles and generated a functional SD1 in RI92. Four-fold high recombination rate in SD1 located bins to the genome-wide average was observed in two RIL populations, indicating recombination hotspot in the SD1 region. Intragenic recombination creates new alleles in the progeny distinct from parental alleles and diversifies natural variation.
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