ArticlePlant physiology2022
Stress responses and epigenomic instability mark the loss of somatic embryogenesis competence in grapevine.
Article in Plant physiology, 2022. 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.
- Methylome and Transcriptome Analysis Reveals Differences in Callus Development and Plantlet Regeneration Capacity Between TwoPlants (Basel, Switzerland) · 2026Article
- A novel application of Raman spectroscopy to monitor cell wall removal during protoplasting in grapevine.Frontiers in plant science · 2026Article
- Establishment of Genetic Transformation System of Non-Embryogenic Callus inCurrent issues in molecular biology · 2025Article
- Responding to Stress: Diversity and Resilience of Grapevine in a Changing Climate Under the Perspective of Omics Research.International journal of molecular sciences · 2025Review
- CRISPR/Cas9-driven double modification of grapevine MLO6-7 imparts powdery mildew resistance, while editing of NPR3 augments powdery and downy mildew tolerance.The Plant journal : for cell and molecular biology · 2025Article
- Development and Applications of Somatic Embryogenesis in Grapevine (Plants (Basel, Switzerland) · 2024Review
- Distribution of Small RNAs Along Transposable Elements in Vitis vinifera During Somatic Embryogenesis.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Boosting grapevine breeding for climate-smart viticulture: from genetic resources to predictive genomics.Frontiers in plant science · 2023Review
- Polyploidization and genomic selection integration for grapevine breeding: a perspective.Frontiers in plant science · 2023Review
- Glutathione Plays a Positive Role in the Proliferation ofInternational journal of molecular sciences · 2022Article
- Regulatory non-coding RNAs: Emerging roles during plant cell reprogramming andFrontiers in plant science · 2022Review
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Somatic embryogenesis (SE) represents the most appropriate tool for next-generation breeding methods in woody plants such as grapevine (Vitis vinifera L.). However, in this species, the SE competence is strongly genotype-dependent and the molecular basis of this phenomenon is poorly understood. We explored the genetic and epigenetic basis of SE in grapevine by profiling the transcriptome, epigenome, and small RNAome of undifferentiated, embryogenic, and non-embryogenic callus tissues derived from two genotypes differing in competence for SE, Sangiovese and Cabernet Sauvignon. During the successful formation of embryonic callus, we observed the upregulation of epigenetic-related transcripts and short interfering RNAs in association with DNA hypermethylation at transposable elements in both varieties. Nevertheless, the switch to nonembryonic development matched the incomplete reinforcement of transposon silencing, and the evidence of such effect was more apparent in the recalcitrant Cabernet Sauvignon. Transcriptomic differences between the two genotypes were maximized already at early stage of culture where the recalcitrant variety expressed a broad panel of genes related to stress responses and secondary metabolism. Our data provide a different angle on the SE molecular dynamics that can be exploited to leverage SE as a biotechnological tool for fruit crop breeding.
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