ArticleBMC plant biology2012
Fostered and left behind alleles in peanut: interspecific QTL mapping reveals footprints of domestication and useful natural variation for breeding.
Article in BMC plant biology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.
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55 citing papers in PubMed, 143 citations in OpenAlex.
- Article
- Identification of AhFPA1 as the causal gene underlying qEFT13.1, a key QTL for early flowering in peanut.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Genetic mapping of time-to-maturity trait in hypogaea x fastigiata peanut background reveals a significant effect of pod-related and flowering pattern.BMC plant biology · 2025Article
- From bottleneck to boom: Polyploidy, genetic instability and response to artificial selection resolve the peanut paradox.The Plant journal : for cell and molecular biology · 2025Article
- Article
- Genome-wide association study and development of molecular markers for yield and quality traits in peanut (Arachis hypogaea L.).BMC plant biology · 2024Article
- Molecular tagging of seed size using MITE markers in an induced large seed mutant with higher cotyledon cell size in groundnut.3 Biotech · 2024Article
- Understanding the impacts of drought on peanutsFrontiers in genetics · 2024Review
- Ectopic expression of a truncated NLR gene from wildFrontiers in plant science · 2024Article
- Mapping QTLs for early leaf spot resistance and yield component traits using an interspecific AB-QTL population in peanut.Frontiers in plant science · 2024Article
- PSW1, an LRR receptor kinase, regulates pod size in peanut.Plant biotechnology journal · 2023Article
- Fine mapping of qAHPS07 and functional studies of AhRUVBL2 controlling pod size in peanut (Arachis hypogaea L.).Plant biotechnology journal · 2023Article
- Review
- Article
- Genetic mapping identifies genomic regions and candidate genes for seed weight and shelling percentage in groundnut.Frontiers in genetics · 2023Article
- Seed Weight and Genotype Influence the Total Oil Content and Fatty Acid Composition of Peanut Seeds.Foods (Basel, Switzerland) · 2022Article
- A first insight into the genetics of maturity trait in Runner × Virginia types peanut background.Scientific reports · 2022Article
- Bulk RNA-Seq Analysis Reveals Differentially Expressed Genes Associated with Lateral Branch Angle in Peanut.Genes · 2022Article
- Detection of a major QTL and development of KASP markers for seed weight by combining QTL-seq, QTL-mapping and RNA-seq in peanut.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Insights into the Genomic Architecture of Seed and Pod Quality Traits in the U.S. Peanut Mini-Core Diversity Panel.Plants (Basel, Switzerland) · 2022Article
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Authors and funding
11 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPolyploidy can result in genetic bottlenecks, especially for species of monophyletic origin. Cultivated peanut is an allotetraploid harbouring limited genetic diversity, likely resulting from the combined effects of its single origin and domestication. Peanut wild relatives represent an important source of novel alleles that could be used to broaden the genetic basis of the cultigen. Using an advanced backcross population developed with a synthetic amphidiploid as donor of wild alleles, under two water regimes, we conducted a detailed QTL study for several traits involved in peanut productivity and adaptation as well as domestication.
resultsA total of 95 QTLs were mapped in the two water treatments. About half of the QTL positive effects were associated with alleles of the wild parent and several QTLs involved in yield components were specific to the water-limited treatment. QTLs detected for the same trait mapped to non-homeologous genomic regions, suggesting differential control in subgenomes as a consequence of polyploidization. The noteworthy clustering of QTLs for traits involved in seed and pod size and in plant and pod morphology suggests, as in many crops, that a small number of loci have contributed to peanut domestication.
conclusionIn our study, we have identified QTLs that differentiated cultivated peanut from its wild relatives as well as wild alleles that contributed positive variation to several traits involved in peanut productivity and adaptation. These findings offer novel opportunities for peanut improvement using wild relatives.
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