Phenotypic and biological properties of two antagonist Bacillus subtilis strains

• Published in: World journal of microbiology & biotechnology Vol. 24; no. 10; pp. 2179 - 2181
• Main Authors: Zhang, C. X, Zhao, X, Jing, Y. X, Chida, T, Chen, H, Shen, S. H
• Format: Journal Article
• Language: English
• Published: Dordrecht Dordrecht : Springer Netherlands 01.10.2008; Springer Netherlands; Springer; Springer Nature B.V
• Subjects: Agricultural production; Applied Microbiology; Bacillus subtilis; Bacteria; Biochemistry; Biodiversity; Biological and medical sciences; Biological properties; Biomedical and Life Sciences; Biotechnology; Carbohydrates; Crop diseases; Environmental Engineering/Biotechnology; Fundamental and applied biological sciences. Psychology; Fungi; Horticulture; Lactose; Life Sciences; Magnaporthe grisea; Microbiology; Morphology; Original Paper; Pathogens; Physiology; Plant diseases; Sclerotinia sclerotiorum; Studies; Comparison; Intra-specific diversity; Biocontrol; Phenotype; Bacillales; Bacillus subtilis; Biological control; Diversity; Bacteria; Antagonist; Bacillaceae; Comparative study
• ISSN: 0959-3993; 1573-0972
• DOI: 10.1007/s11274-008-9723-5

Bacillus subtilis KB-1111 and KB-1122 were studied to illustrate their phenotypic and biological properties. Comparison of KB-1111 with KB-1122 in morphology was carried out by microscopy and agar plate assays. Biological assay of the test strains showed that they may possess different physiological pathways from those of reference strain ATCC6501. The assessment of antagonism against the indicator fungi showed that both test strains had broad antifungal characteristics against eight phytopathogenic fungi. Of those fungal species, Magnaporthe grisea P131, Sclerotinia sclerotiorum, and F. oxysporium exhibited high sensitivity to the test strains.