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| Content Provider | Springer Nature Link |
|---|---|
| Author | Saito, Seiya Odagiri, Masanori Furuya, Seiichi Suzuki, Shunji Takayanagi, Tsutomu |
| Copyright Year | 2011 |
| Abstract | Characteristics and antifungal activity of chitinases in Semillon grapes were investigated. Chitinases were isolated from the juice of Semillon grapes by chitin affinity chromatography. Native and SDS-PAGE analyses of the fraction showing chitin affinity (active fraction) demonstrated only the presence of protein bands of chitinases. Three types of class IV chitinases (chi-1a, chi-1b and chi-2) were purified from the active fraction. These chitinases actively hydrolyzed chitin under acidic conditions (pH 4.0–4.5). The isoelectric points and the molecular weights of chi-1a, chi-1b and chi-2 were 4.73, 4.60, and 7.87, and 32.1 kDa, 31.6 kDa, and 29.0 kDa, respectively. The active fraction was found to inhibit Botrytis cinerea mycelial growth and the inhibitory effect was due to the activity of chitinases. The active fraction inhibited twenty strains of B. cinerea collected from the experimental vineyard. The effect of chitinases was enhanced in media containing more than 20% sugar. When the active fraction was tested on Glomerella cingulata, the growth inhibitory effect observed was markedly less than that seen on B. cinerea. |
| Starting Page | 47 |
| Ending Page | 54 |
| Page Count | 8 |
| File Format | |
| ISSN | 09717811 |
| Journal | Journal of Plant Biochemistry and Biotechnology |
| Volume Number | 20 |
| Issue Number | 1 |
| e-ISSN | 09741275 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2011-01-28 |
| Publisher Place | India |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Chitinase Grapevine Vitis vinifera Botrytis cinerea Glomerella cingulata Protein Science Receptors Cell Biology Life Sciences Plant Biochemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Biotechnology Agronomy and Crop Science |
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