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Publication
Seaweed as a natural source against phytopathogenic bacteria
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Advisor(s)
Abstract(s)
Plant bacterial pathogens can be devastating and compromise entire crops of fruit and vegetables worldwide. The consequences of bacterial plant infections represent not only relevant economical losses, but also the reduction of food availability. Synthetic bactericides have been the most used tool to control bacterial diseases, representing an expensive investment for the producers, since cyclic applications are usually necessary, and are a potential threat to the environment. The development of greener methodologies is of paramount importance, and some options are already available in the market, usually related to genetic manipulation or plant community modulation, as in the case of biocontrol. Seaweeds are one of the richest sources of bioactive compounds, already being used in different industries such as cosmetics, food, medicine, pharmaceutical investigation, and agriculture, among others. They also arise as an eco-friendly alternative to synthetic bactericides. Several studies have already demonstrated their inhibitory activity over relevant bacterial phytopathogens, some of these compounds are known for their eliciting ability to trigger priming defense mechanisms. The present work aims to gather the available information regarding seaweed extracts/compounds with antibacterial activity and eliciting potential to control bacterial phytopathogens, highlighting the extracts from brown algae with protective properties against microbial attack.
Description
This study was supported by the Fundação para a Ciência e a Tecnologia (FCT) to MARE
(UID/MAR/04292/2020), REQUIMTE (UIDB/50006/2020), and the Associate Laboratory ARNET
(LA/P/0069/2020), through national funds, and the grant to Tânia Vicente (2020.06230.BD). The
authors also acknowledge the support of project ORCHESTRA—add-value to ORCHards through
thE full valoriSaTion of macRoalgAe (POCI-01-0247-FEDER-070155) co-funded by FEDER—Fundo
Europeu de Desenvolvimento Regional da União Europeia, Portugal 2020, through COMPETE 2020—
Programa Operacional Competitividade e Internacionalização and through FCT, and COSMOS:
Valorização biotecnológica da alga invasora Asparagopsis armata da Costa de Peniche (MAR-04.03.01-
FEAMP-0370) and MACAU: Diversidade Macroalgas da reserva natural das Berlengas e costa
adjacente, do conhecimento à utilização (MAR-04.03.01-FEAMP-0128) through GAL PESCA OESTE
and MAR2020 in the framework of PORTUGAL2020 and the European Maritime and Fisheries Fund.
Keywords
Agriculture Antibacterial potential Biotechnology Epigenetics Phenolic compounds Priming elicitors Sulfated compounds
Citation
Vicente, T.F.L.; Félix, C.; Félix, R.; Valentão, P.; Lemos, M.F.L. Seaweed as a Natural Source against Phytopathogenic Bacteria. Mar. Drugs 2023, 21, 23. https://doi.org/10.3390/md21010023
Publisher
MDPI