ArticleGenome biology and evolution2014
Patterns of evolutionary conservation of ascorbic acid-related genes following whole-genome triplication in Brassica rapa.
Article in Genome biology and evolution, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 23 citations in OpenAlex.
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- The reference genome and full-length transcriptome of pakchoi provide insights into cuticle formation and heat adaption.Horticulture research · 2022Article
- Genome-Wide Identification and Analysis of the Ascorbate Peroxidase (APX) Gene Family of Winter Rapeseed (Frontiers in genetics · 2021Article
- A chromosome-level reference genome of non-heading Chinese cabbage [Brassica campestris (syn. Brassica rapa) ssp. chinensis].Horticulture research · 2020Article
- Molecular Evolutionary and Expression Pattern Analysis ofInternational journal of molecular sciences · 2020Article
- Identification, evolution and expression analyses of whole genome-wide TLP gene family in Brassica napus.BMC genomics · 2020Article
- Identification of eukaryotic translation initiation factors and the temperature-dependent nature of3 Biotech · 2020Article
- Conservation and Expression Patterns Divergence of Ascorbic Acid d-mannose/l-galactose Pathway Genes in Brassica rapa.Frontiers in plant science · 2016Article
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8 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Ascorbic acid (AsA) is an important antioxidant in plants and an essential vitamin for humans. Extending the study of AsA-related genes from Arabidopsis thaliana to Brassica rapa could shed light on the evolution of AsA in plants and inform crop breeding. In this study, we conducted whole-genome annotation, molecular-evolution and gene-expression analyses of all known AsA-related genes in B. rapa. The nucleobase-ascorbate transporter (NAT) gene family and AsA l-galactose pathway genes were also compared among plant species. Four important insights gained are that: 1) 102 AsA-related gene were identified in B. rapa and they mainly diverged 12-18 Ma accompanied by the Brassica-specific genome triplication event; 2) during their evolution, these AsA-related genes were preferentially retained, consistent with the gene dosage hypothesis; 3) the putative proteins were highly conserved, but their expression patterns varied; and 4) although the number of AsA-related genes is higher in B. rapa than in A. thaliana, the AsA contents and the numbers of expressed genes in leaves of both species are similar, the genes that are not generally expressed may serve as substitutes during emergencies. In summary, this study provides genome-wide insights into evolutionary history and mechanisms of AsA-related genes following whole-genome triplication in B. rapa.
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