Screening of multifunctional bacterial inoculants with lignocellulose degradation ability for agricultural applications

 

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Article Title: Screening of multifunctional bacterial inoculants with lignocellulose degradation ability for agricultural applications
Authors: Mara G., Becze A., Varga O., Laslo É., Oancea F.
Affiliation: 1Sapientia Hungarian University of Transylvania, Faculty of Economics, Socio-Human Sciences and Engineering, Department of Bioengineering, Miercurea Ciuc 530104, Libertăţii Sq, No. 1, Romania. 2Politehnica University of Bucharest, Faculty of Applied Chemistry and Material Sciences, Department of Analytical Chemistry and Environmental Engineering, 1-7 Polizu Street, R4, Bucharest 011061, Romania. 3The National Institute for Research & Development in Chemistry and Petrochemistry, Bioresources Department, 202 Spl. Independentei, Bucharest 060021, Romania
Abstract: We developed a flexible screening procedure for the selection of multifunctional bacterial agro-inoculant strains, with lignocellulose material degradation ability. Initial screening was done to select the bacteria isolates from ensilaged grass / legumes, able to growth on minimal media, with (carboxymethyl)cellulose, xylan or phytate as carbon source. On these isolates we tested the antagonism toward plant pathogens, ability to produce siderophores and compatibility with lactic acid bacteria. We selected a strain, SZE102A, able to growth on plant residues, with a highly antagonistic activity toward plant pathogens and compatible with lactic acid bacteria. We identified this strain as being Bacillus licheniformis, by a polyphasic taxonomic approach.
Keywords: Bacterial inoculants, high residue farming, bale silage, plant pathogens, lactic acid bacteria
*Correspondence: Gyöngyvér Mara, Sapientia Hungarian University of Transylvania, Faculty of Economics, Socio-Human Sciences and Engineering, Department of Bioengineering, Miercurea Ciuc 530104, Libertăţii Sq, Nr. 1, Romania, Tel.: +40 266 314 657, Fax: +40 266 372 099, email: maragyongyver@csik.sapientia.ro