ArticleBMC genomics2017
Genome-wide comparative analysis of NBS-encoding genes in four Gossypium species.
Article in BMC genomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 39 citations in OpenAlex.
- Nematode-resistance loci in upland cotton genomes are associated with structural differences.G3 (Bethesda, Md.) · 2024Article
- Karyotype evolution of the Asterids insights from the first genome sequences of the family Cornaceae.DNA research : an international journal for rapid publication of reports on genes and genomes · 2023Article
- Genome-wide identification of the NLR gene family in Haynaldia villosa by SMRT-RenSeq.BMC genomics · 2022Article
- Global whole-genome comparison and analysis to classify subpopulations and identify resistance genes in weedy rice relevant for improving crops.Frontiers in plant science · 2022Article
- Genome-wide comparative analysis of the nucleotide-binding site-encoding genes in fourFrontiers in plant science · 2022Article
- Genome-wide identification and characterization of NBS-encoding genes in Raphanus sativus L. and their roles related to Fusarium oxysporum resistance.BMC plant biology · 2021Article
- Cotton CC-NBS-LRR GeneFrontiers in plant science · 2021Article
- A chromosome-scale genome assembly of a diploid alfalfa, the progenitor of autotetraploid alfalfa.Horticulture research · 2020Article
- Genome sequencing of the Australian wild diploid species Gossypium australe highlights disease resistance and delayed gland morphogenesis.Plant biotechnology journal · 2020Article
- Chromosome-scale assembly of theHorticulture research · 2020Article
- NBS-Encoding Genes inFrontiers in plant science · 2019Article
- Genome-Wide Identification of NBS-Encoding Resistance Genes in Sunflower (Helianthus annuus L.).Genes · 2018Article
- Heterologous Expression of the Cotton NBS-LRR GeneFrontiers in plant science · 2018Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundNucleotide binding site (NBS) genes encode a large family of disease resistance (R) proteins in plants. The availability of genomic data of the two diploid cotton species, Gossypium arboreum and Gossypium raimondii, and the two allotetraploid cotton species, Gossypium hirsutum (TM-1) and Gossypium barbadense allow for a more comprehensive and systematic comparative study of NBS-encoding genes to elucidate the mechanisms of cotton disease resistance.
resultsBased on the genome assembly data, 246, 365, 588 and 682 NBS-encoding genes were identified in G. arboreum, G. raimondii, G. hirsutum and G. barbadense, respectively. The distribution of NBS-encoding genes among the chromosomes was nonrandom and uneven, and was tended to form clusters. Gene structure analysis showed that G. arboreum and G. hirsutum possessed a greater proportion of CN, CNL, and N genes and a lower proportion of NL, TN and TNL genes compared to that of G. raimondii and G. barbadense, while the percentages of RN and RNL genes remained relatively unchanged. The percentage changes among them were largest for TNL genes, about 7 times. Exon statistics showed that the average exon numbers per NBS gene in G. raimondii and G. barbadense were all greater than that in G. arboretum and G. hirsutum. Phylogenetic analysis revealed that the TIR-NBS genes of G. barbadense were closely related with that of G. raimondii. Sequence similarity analysis showed that diploid cotton G. arboreum possessed a larger proportion of NBS-encoding genes similar to that of allotetraploid cotton G. hirsutum, while diploid G. raimondii possessed a larger proportion of NBS-encoding genes similar to that of allotetraploid cotton G. barbadense. The synteny analysis showed that more NBS genes in G. raimondii and G. arboreum were syntenic with that in G. barbadense and G. hirsutum, respectively.
conclusionsThe structural architectures, amino acid sequence similarities and synteny of NBS-encoding genes between G. arboreum and G. hirsutum, and between G. raimondii and G. barbadense were the highest among comparisons between the diploid and allotetraploid genomes, indicating that G. hirsutum inherited more NBS-encoding genes from G. arboreum, while G. barbadense inherited more NBS-encoding genes from G. raimondii. This asymmetric evolution of NBS-encoding genes may help to explain why G. raimondii and G. barbadense are more resistant to Verticillium wilt, whereas G. arboreum and G. hirsutum are more susceptible to Verticillium wilt. The disease resistances of the allotetraploid cotton were related to their NBS-encoding genes especially in regard from which diploid progenitor they were derived, and the TNL genes may have a significant role in disease resistance to Verticillium wilt in G. raimondii and G. barbadense.
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