Intron-mediated enhancement of the banana bunchy top virus DNA-6 promoter in banana (Musa spp.) embryogenic cells and plants
Dugdale, Benjamin, Becker, Douglas K., Harding, Robert M., & Dale, James L. (2001) Intron-mediated enhancement of the banana bunchy top virus DNA-6 promoter in banana (Musa spp.) embryogenic cells and plants. Plant Cell Reports, 20(3), pp. 220-226.
Intron-containing fragments derived from the 5' untranslated regions of the maize ubi1, maize adh1, rice act1 and sugarcane rbcS genes were tested for their enhancing effects on the banana bunchy top virus DNA-6 promoter (BT6.1) in banana (Musa spp. cv. Bluggoe) embryogenic cells. The rice act1 and maize ubi1 introns provided the highest levels of intron-mediated enhancement of GUS expression, increasing native BT6.1 promoter activity by about 300-fold and 100-fold, respectively. The sugarcane rbcS intron increased expression about tenfold, whereas the adh1 intron had no significant effect. In regenerated transgenic banana plants, the ubi1 intron significantly enhanced BT6.1 promoter activity to levels similar to that of the CaMV 35 S promoter and did not appear to affect the tissue specificity of the promoter.
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|Item Type:||Journal Article|
|Additional Information:||For more information, please refer to the journal’s website (see hypertext link) or contact the author.|
|Keywords:||Banana bunchy top virus · Promoter · Intron, mediated enhancement · GUS|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2001 Springer|
|Copyright Statement:||The original publication is available at SpringerLink http://www.springerlink.com|
|Deposited On:||24 Sep 2007|
|Last Modified:||15 Jan 2009 17:46|
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