Over-expression of CYCD2;1 Improves Banana Root Growth
June 8, 2012| |
Previous studies have shown that the over-expression of Arabidopsis CyclinD2;1 improved the growth of tobacco and rice but not in Arabidopsis. To search for more species that could be improved by over-expression of CyclinD2;1, David Talengera from the National Agricultural Research Laboratories in Uganda and other scientists conducted a study. They isolated CyclinD2;1 from an East African highland banana cultivar called Nakasabira and designated it as Musac;CYCD2;1.
The amino acid sequence of Musac;CYCD2;1 showed more of less 50% similar with the identity of CYCD2;1 sequences of Arabidopsis, rice, maize and wheat. When they over-expressed Musac;CYCD2;1 in cultivar ‘Sukali ndizi', the transformed plants showed no changes in the above-ground parts but the main roots and the lateral roots showed significant increase in length. Furthermore, a deeper root system was exhibited by one transgenic line compared with the control.
There results could be used to enhance the root growth in bananas. Read the complete article at http://www.academicjournals.org/AJB/abstracts/abs2012/5Jun/Talengera%20et%20al.htm.
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