terclim by ICS banner
IVES 9 IVES Conference Series 9 Plant regeneration via somatic embryogenesis and preliminary trials for the application of the DNA-free genome editing in grapevine cv. Corvina veronese

Plant regeneration via somatic embryogenesis and preliminary trials for the application of the DNA-free genome editing in grapevine cv. Corvina veronese

Abstract

Grapevine (Vitis spp.) is a globally significant fruit crop, and enhancing its agronomic and oenological traits is crucial to meet changing agricultural conditions and consumer demands. Conventional breeding has played a key role in domesticating grapevine varieties, but it is a time-consuming process to develop new cultivars with desirable traits for cultivation.
New plant breeding techniques (NpBTs) offer a potential revolution in grapevine cultivation, and genome editing has shown promise for targeted mutagenesis. The success of these biotechnological approaches relies on efficient in vitroregeneration protocols, particularly through somatic embryogenesis (SE). This method has proven successful in some Vitis species, but its effectiveness varies due to the genotype-dependent nature of many cultivars. Moreover, protoplasts have proven to be particularly suitable for genome editing applications, but protoplasts regeneration remains generally considered inefficient in grapevine.
The focus of this study is to enhance in vitro plant regeneration protocols via SE and isolate and regenerate plants from protoplasts derived from embryogenic calli of the Corvina veronese, a variety economically important in Veneto region. Protoplasts will serve as a platform for DNA-free genome editing using CRISPR/Cas9 to target genes responsible for grapevine susceptibility to powdery and downy mildew. The study includes a preliminary phenotypic characterization of regenerated plants to assess whether gene editing or the regeneration process has influenced their morphology and behaviour compared to plants grown under standard conditions. This research aims to accelerate the development of grapevine varieties with improved traits, addressing the challenges posed by conventional breeding methods.

Download the abstract

DOI:

Publication date: June 13, 2024

Issue: Open GPB 2024

Type: Poster

Authors

Clarissa Ciffolillo1*, Edoardo Bertini2, Stefania Zattoni1, Sara Lissandrini1, Sara Zenoni1, Giovanni Battista Tornielli1,3

1Department of Biotechnology, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy
2Edivite s.r.l. San Pietro Viminario, Quartiere San Mauro 30, 35020 Padova, Italy
3Department of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Viale dell’Università 16, 35020 Legnaro (PD), Italy.

Contact the author*

Keywords

Vitis vinifera, Corvina veronese, Somatic embryogenesis, Protoplasts, DNA-free genome editing

Tags

IVES Conference Series | Open GPB | Open GPB 2024

Citation

Related articles…

Economic comparison of viticultural cultivation systems: evaluating costs across integrated, organic, and biodynamic practices

The cost-effectiveness of a winery requires constant cost control in order to ensure competitiveness on the wine market.

Read More

Unveiling the Grapevine Red Blotch Virus (GRBV) host-pathogen arms-race via multi-omics for enhanced viral defense 

The Grapevine Red Blotch Virus (GRBV) poses a critical challenge to the wine sector, lacking a uniquely identified vector. Current control methods involve costly and labor-intensive vine removal, emphasizing the urgency for targeted alternatives. The limited understanding of intricate host-virus interactions underscores the need for foundational knowledge to develop innovative disease control strategies. These include efforts to boost the plant’s RNA interference (RNAi) response, including RNA-based topical applications.

Read More

Effect of pre-fermentative addition of oenological tannins on the volatile composition and colour characteristics of white wines

This study investigates the effect of pre-fermentative addition of oenological tannins on basic physicochemical parameters, total polyphenols index (TPI), antioxidant activity (DPPH method), colour traits, and volatile organic compounds (VOCs) of white wines made from ‘Vermentino’ or ‘Erbaluce’ grapes (Vitis vinifera).

Read More

Moscatel vine-shoot extracts as grapevine biostimulant to increase the varietal aroma of Airén wines

There is a growing interest in the exploitation of vine-shoots waste, since they are often left or burned. Sánchez-Gómez et al. [1] have shown that vines-shoots aqueous extracts have significant contents of bioactive compounds, among which several polyphenols and volatiles are highlighted. Recent studied had demonstrated that the chemical composition of vine-shoots is enhanced when vine-shoots are toasted
[2,3]. The application of vegetable products in the vineyards has led to significant changes towards a more “Sustainable Viticulture”. An innovative foliar application for Airén vine-shoot extracts have been carried out to the vineyard. It has been shown that they act as grape biostimulants, improving certain wine quality characteristics [4].

Read More

Advances in phenology modelling of the grapevine

Historical records of grapevine phenology have been collected over decades throughout different winegrowing regions. These records have demonstrated advances in key developmental stages such as budburst, flowering and veraison because of increased temperatures due to climate change.

Read More