New species of bacteria that affect nut quality and production discovered in Portugal

Published 2020년 10월 7일

Tridge summary

Researchers from the University of Porto have discovered a new pathogenic bacteria, Xanthomonas euroxanthea, in walnut trees that poses a threat to nut production in Portugal. This discovery was made during a study on the main bacteria causing walnut disease, Xanthomonas arboricola pv. Juglandis. The new bacteria is similar to the main one but differs in infection abilities, providing a good model for studying pathogenicity and walnut battery coevolution. The researchers plan to study the genes essential for the new bacteria's virulence and pathogenicity. The research was funded by European and national sources and involved collaborations with various universities and institutes.

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Original content

Researchers from the Faculty of Sciences of the University of Porto (FCUP) have discovered a new species of pathogenic bacteria in the walnut tree that affects the quality of the nut and threatens its production in Portugal. The study, developed with the Center for Research in Biodiversity and Genetic Resources (CIBIO-InBIO), focused on the main species of bacteria (Xanthomonas arboricola pv. Juglandis) that causes disease in walnut, namely walnut bacteriosis. The characteristic symptoms of walnut bacteriosis include necrotic stains on the leaves and fruits, the early fall of the nut or the death of the embryo inside the fruit, causing considerable losses of production, decreased quality of the nut and huge economic losses. Following this study, published in the International Journal of Systematic and Evolutionary Microbiology, the researchers discovered a new species of pathogenic bacteria, which they called Xanthomonas euroxanthea. The two strains, although very similar, differ ...

Source: AgroNegocios