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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ma, Qing Hu Li, Yun Liang |
| Copyright Year | 2006 |
| Abstract | The role of ethylene in vegetative bud formation was investigated using transgenic tobacco plants expressing an antisense tomato 1-aminocyclopropane-carboxylic acid synthase (ACS) gene. Northern blot hybridization showed that the accumulation of ACS mRNA was strongly reduced in the bud-forming leaf explants of the transgenic plants. Consequently, these transgenic tissues exhibited low ACS enzyme activity, 1-aminocyclopropane-carboxylic acid (ACC) content and ethylene production, and at the same time the tissue capacity to generate buds was greatly enhanced. However, it was also noted that the antisense ACS gene did not inhibit the endogenous ACS gene expression in intact transgenic tobacco plants. The growth and development of the transgenic tobacco was almost identical to control plants with respect to height, internode number, leaf morphology, and flowering time. Furthermore, mature leaves of transgenic tobacco had similar chlorophyll content, stomatal conductance, photosynthetic ability, and transpiration rates compared to control plants. These results demonstrated that ethylene plays an important role in bud formation in tobacco tissue culture. |
| Starting Page | 101 |
| Ending Page | 109 |
| Page Count | 9 |
| File Format | |
| ISSN | 07217595 |
| Journal | Journal of Plant Growth Regulation |
| Volume Number | 25 |
| Issue Number | 2 |
| e-ISSN | 14358107 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2006-06-16 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | 1-Aminocyclopropane-carboxylic acid synthase Antisense RNA Transgenic tobacco Vegetative bud formation Plant Sciences Agriculture Cell Biology Forestry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Agronomy and Crop Science |
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