Bactericidal activities of GM flax seedcake extract on pathogenic bacteria clinical strainsReportar como inadecuado

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BMC Biotechnology

, 14:70

Plant biotechnology


BackgroundThe antibiotic resistance of pathogenic microorganisms is a worldwide problem. Each year several million people across the world acquire infections with bacteria that are antibiotic-resistant, which is costly in terms of human health. New antibiotics are extremely needed to overcome the current resistance problem.

ResultsTransgenic flax plants overproducing compounds from phenylpropanoid pathway accumulate phenolic derivatives of potential antioxidative, and thus, antimicrobial activity. Alkali hydrolyzed seedcake extract containing coumaric acid, ferulic acid, caffeic acid, and lignan in high quantities was used as an assayed against pathogenic bacteria commonly used model organisms and clinical strains. It was shown that the extract components had antibacterial activity, which might be useful as a prophylactic against bacterial infection. Bacteria topoisomerase II gyrase inhibition and genomic DNA disintegration are suggested to be the main reason for rendering antibacterial action.

ConclusionsThe data obtained strongly suggest that the seedcake extract preparation is a suitable candidate for antimicrobial action with a broad spectrum and partial selectivity. Such preparation can be applied in cases where there is a risk of multibacterial infection and excellent answer on global increase in multidrug resistance in pathogenic bacteria.

KeywordsAntimicrobial compound Phenolic acid Flax Alternative antibiotic Flax seedcake Electronic supplementary materialThe online version of this article doi:10.1186-1472-6750-14-70 contains supplementary material, which is available to authorized users.

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Autor: Magdalena Zuk - Agata Dorotkiewicz-Jach - Zuzanna Drulis-Kawa - Malgorzata Arendt - Anna Kulma - Jan Szopa


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