ArticlePlant physiology2008
Differential accumulation of retroelements and diversification of NB-LRR disease resistance genes in duplicated regions following polyploidy in the ancestor of soybean.
Article in Plant physiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
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74 citing papers in PubMed, 146 citations in OpenAlex.
- Polyploidy and plant resilience to environmental stresses: Molecular mechanisms and future applications.Plant communications · 2026Review
- Dissection of local haplotype diversity at soybean rust loci reveals resistance-associated and context-dependent variation patterns in diverse germplasm.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- A tritrophic plant-insect-pathogen system used to develop a closely linked Rag2 and Rsv1-h recombinant haplotype in double-resistant soybean germplasm.BMC genomics · 2025Article
- Transposon-Associated Small RNAs Involved in Plant Defense in Poplar.Plants (Basel, Switzerland) · 2025Article
- Functional characterization of NBS-LRR genes reveals an NBS-LRR gene that mediates resistance against Fusarium wilt.BMC biology · 2024Article
- Divergent evolution ofFrontiers in plant science · 2024Article
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- Fine-mapping and evolutionary history of R-BPMV, a dominant resistance gene to Bean pod mottle virus in Phaseolus vulgaris L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
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- Partially Resistant Avocado Rootstock DusaFrontiers in plant science · 2022Article
- Tightly linked Rps12 and Rps13 genes provide broad-spectrum Phytophthora resistance in soybean.Scientific reports · 2021Article
- Genome-Wide Analysis ofFrontiers in genetics · 2021Article
- Whole Genome Re-sequencing of Soybean Accession EC241780 Providing Genomic Landscape of Candidate Genes Involved in Rust Resistance.Current genomics · 2020Article
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- Molecular mapping of the gene(s) conferring resistance to Soybean mosaic virus and Bean common mosaic virus in the soybean cultivar Raiden.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Genetic Diversity and Phylogenetic Relationships of Annual and PerennialG3 (Bethesda, Md.) · 2019Article
14 more citing papers are in PubMed but not listed here.
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Authors and funding
41 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genomes of most, if not all, flowering plants have undergone whole genome duplication events during their evolution. The impact of such polyploidy events is poorly understood, as is the fate of most duplicated genes. We sequenced an approximately 1 million-bp region in soybean (Glycine max) centered on the Rpg1-b disease resistance gene and compared this region with a region duplicated 10 to 14 million years ago. These two regions were also compared with homologous regions in several related legume species (a second soybean genotype, Glycine tomentella, Phaseolus vulgaris, and Medicago truncatula), which enabled us to determine how each of the duplicated regions (homoeologues) in soybean has changed following polyploidy. The biggest change was in retroelement content, with homoeologue 2 having expanded to 3-fold the size of homoeologue 1. Despite this accumulation of retroelements, over 77% of the duplicated low-copy genes have been retained in the same order and appear to be functional. This finding contrasts with recent analyses of the maize (Zea mays) genome, in which only about one-third of duplicated genes appear to have been retained over a similar time period. Fluorescent in situ hybridization revealed that the homoeologue 2 region is located very near a centromere. Thus, pericentromeric localization, per se, does not result in a high rate of gene inactivation, despite greatly accelerated retrotransposon accumulation. In contrast to low-copy genes, nucleotide-binding-leucine-rich repeat disease resistance gene clusters have undergone dramatic species/homoeologue-specific duplications and losses, with some evidence for partitioning of subfamilies between homoeologues.
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