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ENDOWINE

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First insight into endolysin mediated lysis in the wine microbiota

Grapes are the largest fruit crop worldwide and in 2023, 15.9 billion litres of wine was produced in the European Union alone. Many challenges exist in the process of converting grapes into wine, including those associated with th... ver más

31/05/2026

UBx

196K€

Presupuesto del proyecto: 196K€

Líder del proyecto

UNIVERSITE DE BORDEAUX No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-05-14

HORIZON-MSCA-2023-PF-01-01: MSCA Postdoctoral Fellowships 2023 ExpectedOutcome:Project results are expected to contribute to the following outcomes:

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UBx

195.91K€ | Lider

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Duración del proyecto: 24 meses Fecha Inicio: 2024-05-14
Fecha Fin: 2026-05-31

Líder del proyecto

UNIVERSITE DE BORDEAUX No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 196K€

Descripción del proyecto Grapes are the largest fruit crop worldwide and in 2023, 15.9 billion litres of wine was produced in the European Union alone. Many challenges exist in the process of converting grapes into wine, including those associated with the resident wine microbiota. This microbiota consists of several micro-organisms, including Oenococcus oeni and a variety of other lactic acid bacteria. Some members, such as O. oeni, contribute mainly positively to the final product. However, there are certain species that are responsible for organoleptic defects. Therefore, protection measures are in place to target spoiling bacteria, of which the use of sulphites is one of the most common tactics. As reduction of chemical preservatives is a relevant theme in recent years, the search for alternatives is ongoing. Microbial-based alternatives are increasingly attractive and meet the demands for chemical-free food products. One such promising alternative involves the use of endolysins, which are phage-encoded hydrolytic enzymes used by phages to degrade the peptidoglycan layer of the host bacterium at the end of their lytic replication cycle. ENDOWINE will strive to exploit phage-derived endolysins as antimicrobials in wine. With rapid activity and high specificity among the many reasons, endolysins are particularly promising. Very few experiments using endolysins in food products have been performed, but their potential has already been demonstrated in the medical and veterinary setting. Furthermore, egg white lysozyme is already applied by the wine industry. Using a multidisciplinary approach, we will first determine the diversity of endolysins in phages infecting wine LAB through in silico analysis. Candidate endolysins will be chosen, cloned, overexpressed and purified in Escherichia coli, after which their enzymatic activities and their antimicrobial spectra will be determined. Finally, their impact on wine will be examined in small and large scale fermentation experiments.

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