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| Content Provider | Springer Nature Link |
|---|---|
| Author | Cingel, Aleksandar Savić, Jelena Vinterhalter, Branka Vinterhalter, Dragan Kostić, Miroslav Šešlija Jovavić, Darka Smigocki, Ann Ninković, Slavica |
| Copyright Year | 2015 |
| Abstract | Plant proteinase inhibitors (PIs) are attractive tools for crop improvement and their heterologous expression can enhance insect resistance in transgenic plants. PI oryzacystatin II (OCII), isolated from rice, showed potential in controlling pests that utilize cysteine proteinases for protein digestion. To evaluate the applicability of the OCII gene in enhancing plant defence, OCII-transformed potatoes were bioassayed for resistance to Colorado potato beetle (Leptinotarsa decemlineata Say). Feeding on transformed leaves of potato cultivars Desiree and Jelica significantly affected larval growth and development, but did not change mortality rates. During the L2 and L3 developmental stages larvae consumed the OCII-transformed foliage faster as compared to the nontransformed control. Also these larvae reached the prepupal stage (end of L4 stage) 2 days earlier than those fed on control leaves. However, the total amounts of consumed OCII-transformed leaves were up to 23 % lower than of control, and the maximal weights of prepupal larvae were reduced by up to 18 % as compared to larvae fed on nontransformed leaves. The reduction in insect fitness reported in this study in combination with other control measures, could lead to improved CPB resistance management in potato. |
| Starting Page | 729 |
| Ending Page | 740 |
| Page Count | 12 |
| File Format | |
| ISSN | 09628819 |
| Journal | Transgenic Research |
| Volume Number | 24 |
| Issue Number | 4 |
| e-ISSN | 15739368 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2015-03-29 |
| Publisher Place | Cham |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Solanum tuberosum Proteinase inhibitor Oryzacystatin II Colorado potato beetle Pest management Molecular Medicine Plant Genetics & Genomics Animal Genetics and Genomics Plant Sciences Transgenics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Animal Science and Zoology Biotechnology Agronomy and Crop Science |
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