ArticleGenetics2008
Genetic redundancy in soybean photoresponses associated with duplication of the phytochrome A gene.
Article in Genetics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 193 papers.
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193 citing papers in PubMed, 377 citations in OpenAlex.
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- Quantitative trait loci analysis identifying novel genomic regions for off-target dicamba tolerance in soybean [Glycine max (L.) Merr.].BMC plant biology · 2026Article
- Molecular polymorphisms that underlie trait variation in crops: Lessons learned from soybean.The plant genome · 2026Review
- The current state of Japanese soybean breeding using DNA marker technology.Breeding science · 2026Article
- Characterization of trehalose-6-phosphate synthase gene family in linseed (Linum usitatissimum L.) and its potential implications in flowering time regulation.BMC plant biology · 2025Article
- Dissecting genetic architecture of flowering and maturity traits in soybean using GWAS in Indian environment.BMC plant biology · 2025Article
- Identification and field validation of QTLs for soybean red crown rot resistance from wild soybean accessions.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Soybean GmWRKY44 transcription factor activates SOC1 and LFY to promote flowering in Arabidopsis thaliana.Plant cell reports · 2025Article
- Natural Variations in Key Maturity Genes Underpin Soybean Cultivars Adaptation Beyond 50° N in Northeast China.International journal of molecular sciences · 2025Article
- Genome-wide association mapping for early maturity in kintoki bean (Breeding science · 2025Article
- Molecular selection of soybean towards adaptation to Central European agroclimatic conditions.Journal of applied genetics · 2025Article
- Long-read sequencing reveals novel structural variation markers for key agronomic and quality traits of food-grade soybean.Frontiers in plant science · 2025Article
- Local haplotyping reveals insights into the genetic control of flowering time variation in wild and domesticated soybean.The plant genome · 2024Article
- Artificial selection of two antagonistic E3 ubiquitin ligases finetunes soybean photoperiod adaptation and grain yield.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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- Subfunctionalisation and self-repression of duplicated E1 homologues finetunes soybean flowering and adaptation.Nature communications · 2024Article
- The chromosome-level assembly of the wild diploid alfalfa genome provides insights into the full landscape of genomic variations between cultivated and wild alfalfa.Plant biotechnology journal · 2024Article
- Environment-induced heritable variations are common in Arabidopsis thaliana.Nature communications · 2024Article
- Circadian and photoperiodic regulation of the vegetative to reproductive transition in plants.Communications biology · 2024Review
133 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gene and genome duplications underlie the origins of evolutionary novelty in plants. Soybean, Glycine max, is considered to be a paleopolyploid species with a complex genome. We found multiple homologs of the phytochrome A gene (phyA) in the soybean genome and determined the DNA sequences of two paralogs designated GmphyA1 and GmphyA2. Analysis of the GmphyA2 gene from the lines carrying a recessive allele at a photoperiod insensitivity locus, E4, revealed that a Ty1/copia-like retrotransposon was inserted in exon 1 of the gene, which resulted in dysfunction of the gene. Mapping studies suggested that GmphyA2 is encoded by E4. The GmphyA1 gene was mapped to a region of linkage group O, which is homeologous to the region harboring E4 in linkage group I. Plants homozygous for the e4 allele were etiolated under continuous far red light, but the de-etiolation occurred partially, indicating that the mutation alone did not cause a complete loss of phyA function. The genetic redundancy suggests that the presence of duplicated copies of phyA genes accounts for the generation of photoperiod insensitivity, while protecting against the deleterious effects of mutation. Thus, this phenomenon provides a link between gene duplication and establishment of an adaptive response of plants to environments.
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