ArticlePlant physiology2012
The B gene of pea encodes a defective flavonoid 3',5'-hydroxylase, and confers pink flower color.
Article in Plant physiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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26 citing papers in PubMed, 57 citations in OpenAlex.
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- Diversity and ecological functions of anthocyanins.BMC plant biology · 2025Review
- ANTHOCYANIDIN REDUCTASE promotes physical dormancy in Medicago truncatula seeds.Plant physiology · 2025Article
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- Innovations in functional genomics and molecular breeding of pea: exploring advances and opportunities.aBIOTECH · 2024Review
- Recombinant inbred lines derived from wide crosses in Pisum.Scientific reports · 2023Article
- Safflower Flavonoid 3'5'Hydroxylase Promotes Methyl Jasmonate-Induced Anthocyanin Accumulation in Transgenic Plants.Molecules (Basel, Switzerland) · 2023Article
- Integrative Analysis of Metabolome and Transcriptome Reveals the Mechanism of Color Formation in Yellow-Fleshed Kiwifruit.International journal of molecular sciences · 2023Article
- Disease Resistance and Molecular Variations in Irradiation Induced Mutants of Two Pea Cultivars.International journal of molecular sciences · 2022Article
- Integrated sRNA-seq and RNA-seq Analyses Reveal a microRNA Regulation Network Involved in Cold Response inGenes · 2022Article
- Chromosome-Scale Genome Assembly of Gilia yorkii Enables Genetic Mapping of Floral Traits in an Interspecies Cross.Genome biology and evolution · 2022Article
- The Common BeanFrontiers in plant science · 2022Article
- The PeaFrontiers in genetics · 2022Article
- Decoding the formation of diverse petal colors ofFrontiers in plant science · 2022Article
- Sex-biased genes and metabolites explain morphologically sexual dimorphism and reproductive costs in Salix paraplesia catkins.Horticulture research · 2021Article
- Environmentally Driven Color Variation in the Pearl OysterFrontiers in genetics · 2021Article
- Anthocyanin Genes Involved in the Flower Coloration Mechanisms ofFrontiers in plant science · 2021Article
- A Data Driven Approach to Assess Complex Colour Profiles in Plant Tissues.Frontiers in plant science · 2021Article
- Candidate genes for grape white rot resistance based on SMRT and Illumina sequencing.BMC plant biology · 2019Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
Abstract
The inheritance of flower color in pea (Pisum sativum) has been studied for more than a century, but many of the genes corresponding to these classical loci remain unidentified. Anthocyanins are the main flower pigments in pea. These are generated via the flavonoid biosynthetic pathway, which has been studied in detail and is well conserved among higher plants. A previous proposal that the Clariroseus (B) gene of pea controls hydroxylation at the 5' position of the B ring of flavonoid precursors of the anthocyanins suggested to us that the gene encoding flavonoid 3',5'-hydroxylase (F3'5'H), the enzyme that hydroxylates the 5' position of the B ring, was a good candidate for B. In order to test this hypothesis, we examined mutants generated by fast neutron bombardment. We found allelic pink-flowered b mutant lines that carried a variety of lesions in an F3'5'H gene, including complete gene deletions. The b mutants lacked glycosylated delphinidin and petunidin, the major pigments present in the progenitor purple-flowered wild-type pea. These results, combined with the finding that the F3'5'H gene cosegregates with b in a genetic mapping population, strongly support our hypothesis that the B gene of pea corresponds to a F3'5'H gene. The molecular characterization of genes involved in pigmentation in pea provides valuable anchor markers for comparative legume genomics and will help to identify differences in anthocyanin biosynthesis that lead to variation in pigmentation among legume species.
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