ArticleBMC plant biology2021
Genetic control of flowering in greater yam (Dioscorea alata L.).
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 33 citations in OpenAlex.
- Haplotype-resolved genome assembly of a male Dioscorea alata cultivar reveals the structure and evolution of young sex chromosomes.The Plant journal : for cell and molecular biology · 2026Article
- Whole-genome sequencing reveals a possible molecular basis of sex determination in the dioecious wild yam Dioscorea tokoro.PLoS genetics · 2026Article
- Photoperiod modulation and hormonal application influence flowering, agronomic, morphological and tuber quality traits in greater yam (Frontiers in plant science · 2026Article
- Identification and analysis of genomic regions influencing leaf morpho-physiological traits related to stress responses in greater yam (Dioscorea alata L.).BMC plant biology · 2025Article
- Deciphering the landscape and evolutionary trajectory of NLR immune receptors in Dioscorea alata.Plant molecular biology · 2024Article
- Genome-wide association analysis and transgenic characterization for amylose content regulating gene in tuber of Dioscorea zingiberensis.BMC plant biology · 2024Article
- Genome-Wide Identification and Evolutionary Analysis of Receptor-like Kinase Family Genes Provides Insights into Anthracnose Resistance ofPlants (Basel, Switzerland) · 2024Article
- Whole-genome sequencing and comparative genomics reveal candidate genes associated with quality traits in Dioscorea alata.BMC genomics · 2024Article
- Agronomic and hormonal approaches for enhancing flowering intensity in white Guinea yam (Frontiers in plant science · 2023Article
- Association mapping of plant sex and cross-compatibility related traits in white Guinea yam (Dioscorea rotundata Poir.) clones.BMC plant biology · 2022Article
- Identification and validation of QTLs for tuber quality related traits in greater yam (Dioscorea alata L.).Scientific reports · 2022Article
- Genome-Wide Association Studies for Sex Determination and Cross-Compatibility in Water Yam (Plants (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundGreater yam (Dioscorea alata L.) is a major tropical and subtropical staple crop cultivated for its starchy tubers. Breeding of this dioecious species is hampered by its erratic flowering, yet little is currently known on the genetic determinism of its sexual reproduction.
resultHere we used a genome-wide association approach and identified a major genetic barrier to reproduction in yam on chromosome 1, as represented by two candidate genes. A deleterious effect on male fitness could be hypothesized considering the involvement of these two genes in male reproduction and the low frequency of this non-flowering dominant allele within the male genepool. We also extended the hypothesis of a XX/XY sex-determination system located on chromosome 6 in D. alata to encompass most of the species diversity. Moreover, a kompetitive allele-specific PCR (KASPar) marker was designed and validated that enables accurate cultivar sex estimation. The reconstruction of chromosome 6 associated with the detection of highly putative structural variations confirmed the possible involvement of a major part of the chromosome.
conclusionThe findings of this study, combined with proper estimation of accession ploidy levels to avoid endosperm incompatibility issues, could facilitate the design of future promising parental combinations in D. alata breeding programs. Moreover, the discovery of this genetic barrier to reproduction opens new avenues for gaining insight into yam reproductive biology and diversification.
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