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Phytopathogenicity of Erwinia carotovora subsp. carotovora LY34 and Production of CMCase Isozymes
- Authors
- Lim, S.-T.; Park, Y.-Y.; Cho, S.-J.; Yun, H.-D.
- Issue Date
- 1997
- Keywords
- CMC-SDS-PAGE; CMCase; Erwinia carotovora; Pathogenicity
- Citation
- Korean Journal of Applied Microbiology and Biotechnology, v.25, no.5, pp 468 - 476
- Pages
- 9
- Indexed
- SCOPUS
- Journal Title
- Korean Journal of Applied Microbiology and Biotechnology
- Volume
- 25
- Number
- 5
- Start Page
- 468
- End Page
- 476
- ISSN
- 0257-2389
- Abstract
- Soft-rot bacterial pathogen, Erwinia sp., was isolated from Chinese cabbage tissue showing soft-rot symptom. This bacterial strain caused soft-rot to Chinese cabbage and potato, and it was identified as Erwinia carotovora subsp. carotovora LY34 (E. c. subsp. carotovora LY34). Erwinia carotovora subsp. carotovora LY34 did not have hemicellulase but extracellular cellulase, pectinase, polygalacturonase, protease activity. The results of the microscopy showed that Chinese cabbage tissue and potato tissue were macerated by infection of E. c. subsp. carotovora LY34. In analysis of the cellulases activity of the isolated cellulose-degradation enzymes from E. c. subsp. carotovora LY34 total protein, three cellulase activity bands were detected by non-denaturation gel electrophoresis method and five cellulase activity bands were detected by CMC-SDS-PAGE direct stain method.
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