ArticlePLoS genetics2022
Domestication and selection footprints in Persian walnuts (Juglans regia).
Article in PLoS genetics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 24 citations in OpenAlex.
- Targeted population genomics uncovers demographic history and genetic divergence in north American wild cranberry.Horticulture research · 2026Article
- Genomic divergence, adaptation, and the genetic basis of quality traits in ancient walnut landraces and wild relatives.Horticulture research · 2026Article
- Genome-wide association study bridging genomics-phenomics gap in natural plant populations.Journal of applied genetics · 2026Review
- A topological map of the genetic components of grapevine-Admixture meets SOMmelier machine learning.PLoS computational biology · 2026Article
- Genetic origins and climate-induced erosion in economically important Asian walnuts.Conservation biology : the journal of the Society for Conservation Biology · 2026Article
- Resolving sampling and population-size biases in domestication genomics supports a South Asian origin of walnuts.Genome biology · 2026Article
- Comparative analysis of butternut (Juglans cinerea) and Japanese walnut (Juglans ailantifolia) chloroplast genomes.BMC plant biology · 2025Article
- Yield and Quality of Walnuts Subjected to Deficit Irrigation in Mountainous Water-Starved Environments.Plants (Basel, Switzerland) · 2025Article
- Genetic analysis of wild walnuts in Xinjiang based on whole-genome resequencing.Frontiers in plant science · 2025Article
- Transcriptomic analysis of hub genes regulating nitrate and glucose response of nitrate response deficiency 1 (NRD1) mutant in foxtail millet.Plant cell reports · 2024Article
- Comprehensive Evaluation of CrypticGenes · 2024Article
- Complete mitochondrial genome assembly of Juglans regia unveiled its molecular characteristics, genome evolution, and phylogenetic implications.BMC genomics · 2024Article
- Genomic diversity, population structure, and genome-wide association reveal genetic differentiation and trait improvements in mango.Horticulture research · 2024Article
- 'Sorrento' and 'Tulare' Walnut Cultivars: Morphological Traits and Phytochemical Enhancement of Their Shell Waste.Molecules (Basel, Switzerland) · 2024Article
- Historical spread routes of wild walnuts in Central Asia shaped by man-made and nature.Frontiers in plant science · 2024Article
- Genome-Wide Identification of the CBF Gene Family and ICE Transcription Factors in Walnuts and Expression Profiles under Cold Conditions.International journal of molecular sciences · 2023Article
- Genome-wide diversity evaluation and core germplasm extraction in ex situ conservation: A case of goldenEvolutionary applications · 2023Article
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Authors and funding
21 authors at 10 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Walnut (Juglans) species are economically important hardwood trees cultivated worldwide for both edible nuts and high-quality wood. Broad-scale assessments of species diversity, evolutionary history, and domestication are needed to improve walnut breeding. In this study, we sequenced 309 walnut accessions from around the world, including 55 Juglans relatives, 98 wild Persian walnuts (J. regia), 70 J. regia landraces, and 86 J. regia cultivars. The phylogenetic tree indicated that J. regia samples (section Dioscaryon) were monophyletic within Juglans. The core areas of genetic diversity of J. regia germplasm were southwestern China and southern Asia near the Qinghai-Tibet Plateau and the Himalayas, and the uplift of the Himalayas was speculated to be the main factor leading to the current population dynamics of Persian walnut. The pattern of genomic variation in terms of nucleotide diversity, linkage disequilibrium, single nucleotide polymorphisms, and insertions/deletions revealed the domestication and selection footprints in Persian walnut. Selective sweep analysis, GWAS, and expression analysis further identified two transcription factors, JrbHLH and JrMYB6, that influence the thickness of the nut diaphragm as loci under selection during domestication. Our results elucidate the domestication and selection footprints in Persian walnuts and provide a valuable resource for the genomics-assisted breeding of this important crop.
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