ArticleScientific reports2015
Species-specific duplications of NBS-encoding genes in Chinese chestnut (Castanea mollissima).
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 16 citations in OpenAlex.
- Identification and analysis of the AP2/ERF gene family inFrontiers in plant science · 2026Article
- Genome-wide characterization of NBS-encoding genes inFrontiers in genetics · 2026Article
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- Pan-genomic insights into LTP gene family evolution across diploid cotton species.Frontiers in plant science · 2025Article
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- Genome-scale examination of NBS-encoding genes in blueberry.Scientific reports · 2018Article
- Lineage-specific duplications of NBS-LRR genes occurring before the divergence of six Fragaria species.BMC genomics · 2018Article
- UGT74S1 is the key player in controlling secoisolariciresinol diglucoside (SDG) formation in flax.BMC plant biology · 2017Article
- Whole genome sequencing of a banana wild relative Musa itinerans provides insights into lineage-specific diversification of the Musa genus.Scientific reports · 2016Article
- Deep RNA-Seq profile reveals biodiversity, plant-microbe interactions and a large family of NBS-LRR resistance genes in walnut (Juglans regia) tissues.AMB Express · 2016Article
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The disease resistance (R) genes play an important role in protecting plants from infection by diverse pathogens in the environment. The nucleotide-binding site (NBS)-leucine-rich repeat (LRR) class of genes is one of the largest R gene families. Chinese chestnut (Castanea mollissima) is resistant to Chestnut Blight Disease, but relatively little is known about the resistance mechanism. We identified 519 NBS-encoding genes, including 374 NBS-LRR genes and 145 NBS-only genes. The majority of Ka/Ks were less than 1, suggesting the purifying selection operated during the evolutionary history of NBS-encoding genes. A minority (4/34) of Ka/Ks in non-TIR gene families were greater than 1, showing that some genes were under positive selection pressure. Furthermore, Ks peaked at a range of 0.4 to 0.5, indicating that ancient duplications arose during the evolution. The relationship between Ka/Ks and Ks indicated greater selective pressure on the newer and older genes with the critical value of Ks = 0.4-0.5. Notably, species-specific duplications were detected in NBS-encoding genes. In addition, the group of RPW8-NBS-encoding genes clustered together as an independent clade located at a relatively basal position in the phylogenetic tree. Many cis-acting elements related to plant defense responses were detected in promoters of NBS-encoding genes.
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