Yaacob, J.S. and Loh, H.S. and Taha, R.M. (2013) Protein profiling and histone deacetylation activities in somaclonal variants of oil palm (Elaeis guineensis Jacq.). Scientific World Journal. ISSN 1537-744X,
Full text not available from this repository.Abstract
Mantled fruits as a result of somaclonal variation are often observed from the oil palm plantlets regenerated via tissue culture. The mantling of fruits with finger-like and thick outer coating phenotypes significantly reduces the seed size and oil content, posing a threat to oil palm planters, and may jeopardize the economic growth of countries that depend particularly on oil palm plantation. The molecular aspects of the occurrence of somaclonal variations are yet to be known, possibly due to gene repression such as DNA methylation, histone methylation and histone deacetylation. Histone deacetylases (HDACs), involved in eukaryotic gene regulation by catalyzing the acetyl groups are removal from lysine residues on histone, hence transcriptionally repress gene expression. This paper described the total protein polymorphism profiles of somaclonal variants of oil palm and the effects of histone deacetylation on this phenomenon. Parallel to the different phenotypes, the protein polymorphism profiles of the mantled samples (leaves, fruits, and florets) and the phenotypically normal samples were proven to be different. Higher HDAC activity was found in mantled leaf samples than in the phenotypically normal leaf samples, leading to a preliminary conclusion that histone deacetylation suppressed gene expression and contributed to the development of somaclonal variants.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Uncontrolled Keywords: | Plant development dna methylation gene-regulation acetylation roles |
| Subjects: | Q Science > QH Natural history > QH301 Biology |
| Divisions: | Faculty of Science > Institute of Biological Sciences |
| Depositing User: | miss munirah saadom |
| Date Deposited: | 20 Aug 2014 00:59 |
| Last Modified: | 20 Aug 2014 00:59 |
| URI: | http://eprints.um.edu.my/id/eprint/10764 |
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