ArticleBMC plant biology2021
Candidate genes and SNPs associated with stomatal conductance under drought stress in Vitis.
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 11 papers.
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Who cites it
11 citing papers in PubMed, 25 citations in OpenAlex.
- A Metabolome Atlas of Grape Biodiversity.Journal of agricultural and food chemistry · 2026Article
- Genome-wide association study of water-use efficiency and shoot biomass conferred by V. berlandieri rootstocks in grapevine.BMC plant biology · 2026Article
- Integrating natural variation through GWAS - genetics of drought and flood tolerance in grass pea reveal independent yet interconnected mechanisms.BMC plant biology · 2026Article
- Genomic resources for crop wild relatives are critical for perennial fruit breeding and conservation.American journal of botany · 2025Review
- Article
- Enhancing Abiotic Stress Resilience in Mediterranean Woody Perennial Fruit Crops: Genetic, Epigenetic, and Microbial Molecular Perspectives in the Face of Climate Change.International journal of molecular sciences · 2025Review
- A high-throughput approach for quantifying turgor loss point in grapevine.Plant methods · 2024Article
- Crop Landraces and Indigenous Varieties: A Valuable Source of Genes for Plant Breeding.Plants (Basel, Switzerland) · 2024Review
- Novel loci associated with resistance to downy and powdery mildew in grapevine.Frontiers in plant science · 2024Article
- Dissecting the genetic architecture of root-related traits in a grafted wild Vitis berlandieri population for grapevine rootstock breeding.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Boosting grapevine breeding for climate-smart viticulture: from genetic resources to predictive genomics.Frontiers in plant science · 2023Review
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundUnderstanding the complexity of the vine plant's response to water deficit represents a major challenge for sustainable winegrowing. Regulation of water use requires a coordinated action between scions and rootstocks on which cultivars are generally grafted to cope with phylloxera infestations. In this regard, a genome-wide association study (GWAS) approach was applied on an 'ad hoc' association mapping panel including different Vitis species, in order to dissect the genetic basis of transpiration-related traits and to identify genomic regions of grape rootstocks associated with drought tolerance mechanisms. The panel was genotyped with the GrapeReSeq Illumina 20 K SNP array and SSR markers, and infrared thermography was applied to estimate stomatal conductance values during progressive water deficit.
resultsIn the association panel the level of genetic diversity was substantially lower for SNPs loci (0.32) than for SSR (0.87). GWAS detected 24 significant marker-trait associations along the various stages of drought-stress experiment and 13 candidate genes with a feasible role in drought response were identified. Gene expression analysis proved that three of these genes (VIT_13s0019g03040, VIT_17s0000g08960, VIT_18s0001g15390) were actually induced by drought stress. Genetic variation of VIT_17s0000g08960 coding for a raffinose synthase was further investigated by resequencing the gene of 85 individuals since a SNP located in the region (chr17_10,497,222_C_T) was significantly associated with stomatal conductance.
conclusionsOur results represent a step forward towards the dissection of genetic basis that modulate the response to water deprivation in grape rootstocks. The knowledge derived from this study may be useful to exploit genotypic and phenotypic diversity in practical applications and to assist further investigations.
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