Antifungical Activity of Autochthonous Isolated from against Phytopathogenic Fungi.

Mycobiology

Instituto de Ciencias Agrícolas de la Universidad Autónoma de Baja California (ICA-UABC), CP 21705, Ejido Nuevo León, Baja California, Mexico.

Published: December 2017

The ability of , strain ALICA to produce three mycolytic enzymes (chitinase, β-1,3-glucanase, and protease), was carried out by the chemical standard methods. ALICA was screened based on their antifungal activity in dual plate assay and cell-free culture filtrate (25%) against five different phytopathogenic fungi , sp., , , and . The ALICA detected positive for chitinase, β-1,3-glucanase and protease enzymes. Fungal growth inhibition by both strain ALICA and its cell-free culture filtrate ranged from 51.36% to 86.3% and 38.43% to 68.6%, respectively. Moreover, hyphal morphological changes like damage, broken, swelling, distortions abnormal morphology were observed. Genes expression of protease, β-1,3-glucanase, and lipopeptides (subtilosin and subtilisin) were confirmed their presence in the supernatant of strain ALICA. Our findings indicated that strain ALICA provided a broad spectrum of antifungal activities against various phytopathogenic fungi and may be a potential effective alternative to chemical fungicides.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5780371PMC
http://dx.doi.org/10.5941/MYCO.2017.45.4.385DOI Listing

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