Abstract
GmRAV-transgenic tobacco plants exhibited decreased gibberellins (GAs) biosynthesis related phenotypes, including dwarfism and repressed flowering time. The dwarf phenotype of GmRAV-overexpressing (ox) tobaccos was fully restored in stem and hypocotyl length of transgenic plants by the application of exogenous GA3. The epidermal cells in the stem internodes of the GmRAV-ox tobacco plants treated with GA3 were obviously the same as those in wild-type plants in longitudinal direction. Therefore, the rescued plant height of GmRAV-ox tobaccos by GA3 might be largely caused by increased cell size. GmRAV overexpression inhibited GA biosynthesis due to a transcriptional repression of GA20ox gene. The dwarfed phenotype of GmRAV-ox tobaccos with reduced stem elongation could be caused by a reduction in GA3 content.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
