ArticleBMC biology2005
The sequence of rice chromosomes 11 and 12, rich in disease resistance genes and recent gene duplications.
Article in BMC biology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 97 papers.
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97 citing papers in PubMed, 258 citations in OpenAlex.
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- Pangenomes as a Resource to Accelerate Breeding of Under-Utilised Crop Species.International journal of molecular sciences · 2022Review
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- The genome of the rice variety LTH provides insight into its universal susceptibility mechanism to worldwide rice blast fungal strains.Computational and structural biotechnology journal · 2022Article
- Genome-Wide Association Study of QTLs Conferring Resistance to Bacterial Leaf Streak in Rice.Plants (Basel, Switzerland) · 2021Article
- Dynamic differential evolution schemes of WRKY transcription factors in domesticated and wild rice.Scientific reports · 2021Article
- Conversion between 100-million-year-old duplicated genes contributes to rice subspecies divergence.BMC genomics · 2021Article
- Karyotype diversity in cultivated and wild Indian rice through EMA-based chromosome analysis.Journal of genetics · 2021Article
- Characterization of disease resistance genes in the Brassica napus pangenome reveals significant structural variation.Plant biotechnology journal · 2020Article
- Variation in abundance of predicted resistance genes in the Brassica oleracea pangenome.Plant biotechnology journal · 2019Article
- Phylogenetic analyses and in-seedling expression of ammonium and nitrate transporters in wheat.Scientific reports · 2018Article
- Genome-wide Association Analysis Tracks Bacterial Leaf Blight Resistance Loci In Rice Diverse Germplasm.Rice (New York, N.Y.) · 2017Article
- RNA-Seq Analysis Provides the First Insights into the Phylogenetic Relationship and Interspecific Variation betweenFrontiers in plant science · 2017Article
- Association mapping of resistance to rice blast in upland field conditions.Rice (New York, N.Y.) · 2016Article
- Rice Improvement Through Genome-Based Functional Analysis and Molecular Breeding in India.Rice (New York, N.Y.) · 2016Article
37 more citing papers are in PubMed but not listed here.
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1 author at 1 institution in 1 country.
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Abstract
backgroundRice is an important staple food and, with the smallest cereal genome, serves as a reference species for studies on the evolution of cereals and other grasses. Therefore, decoding its entire genome will be a prerequisite for applied and basic research on this species and all other cereals.
resultsWe have determined and analyzed the complete sequences of two of its chromosomes, 11 and 12, which total 55.9 Mb (14.3% of the entire genome length), based on a set of overlapping clones. A total of 5,993 non-transposable element related genes are present on these chromosomes. Among them are 289 disease resistance-like and 28 defense-response genes, a higher proportion of these categories than on any other rice chromosome. A three-Mb segment on both chromosomes resulted from a duplication 7.7 million years ago (mya), the most recent large-scale duplication in the rice genome. Paralogous gene copies within this segmental duplication can be aligned with genomic assemblies from sorghum and maize. Although these gene copies are preserved on both chromosomes, their expression patterns have diverged. When the gene order of rice chromosomes 11 and 12 was compared to wheat gene loci, significant synteny between these orthologous regions was detected, illustrating the presence of conserved genes alternating with recently evolved genes.
conclusionBecause the resistance and defense response genes, enriched on these chromosomes relative to the whole genome, also occur in clusters, they provide a preferred target for breeding durable disease resistance in rice and the isolation of their allelic variants. The recent duplication of a large chromosomal segment coupled with the high density of disease resistance gene clusters makes this the most recently evolved part of the rice genome. Based on syntenic alignments of these chromosomes, rice chromosome 11 and 12 do not appear to have resulted from a single whole-genome duplication event as previously suggested.
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