Volume 4 Number 6 (Nov. 2014)
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IJBBB 2014 Vol.4(6): 475-482 ISSN: 2010-3638
doi: 10.17706/ijbbb.2014.4.6.475-482

Molecular Cloning of Hypervariable Regions (HVRII) from Cellulose Synthase (CesA) Gene in Neolamarckia Cadamba

Wee-Yang C. M. Sim, Wei-Seng Ho, Shek-Ling Pang
Abstract—Neolamarckia cadamba or locally known as Kelampayan, is one of the fast growing plantation tree species that holds great prospect as a renewable bioresources for plywood, pulp and paper, and biofuel industries. Sufficient information on cellulose synthase (CesA) gene, especially the hypervariable region II (HVRII) component involved in wood formation of Kelampayan is imperative for future applications. This region is thought to play a role in interaction with other unique cell-type-specific proteins involved in the biosynthesis of cellulose. The aim of this study was to identify and clone the HVRII regions of cellulose synthase gene from the developing xylem tissues of Kelampayan. The cDNA of cellulose synthase HVRII regions was amplified using reverse transcription-PCR (RT-PCR) approach using degenerate primers. Three clones, namely NcCesA1HVRII (520bp), NcCesA2HVRII (580bp) and NcCesA3HVRII (620bp) were successfully sequenced and characterized. NcCesA1HVRII and NcCesA3HVRII were clustered into two distinct clades implicated with secondary cell wall development whereas NcCesA2HVRII has renamed to NcCslD1HVRII due its high similarity with various plants’ CslD-HVRII. This study provides an easier and faster access to NcCesAHVRII sequences to further understand the role of NcCesA/NcCslD protein for future applications such as selecting trees with optimal cellulose content required for specific industries.

Index Terms—Neolamarckia cadamba, reverse transcription-PCR (RT-PCR), cellulose synthase (CesA), cellulose-synthase like (Csl), hypervariable region II (HVRII).

Forest Genomics and Informatics Laboratory (FGIL), Department of Molecular Biology, Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak (email: wsho@frst.unimas.my).
Applied Forest Science and Industry Development (AFSID), Sarawak Forestry Corporation, 93250 Kuching, Sarawak.

Cite: Wee-Yang C. M. Sim, Wei-Seng Ho, Shek-Ling Pang, "Molecular Cloning of Hypervariable Regions (HVRII) from Cellulose Synthase (CesA) Gene in Neolamarckia Cadamba," International Journal of Bioscience, Biochemistry and Bioinformatics vol. 4, no. 6, pp. 475-482, 2014.

General Information

ISSN: 2010-3638
Frequency: Bimonthly (2011-2015); Quarterly (Since 2016)
DOI: 10.17706/IJBBB
Editor-in-Chief: Prof. Ebtisam Heikal 
Abstracting/ Indexing: Electronic Journals Library, Chemical Abstracts Services (CAS), Engineering & Technology Digital Library, Google Scholar, and ProQuest.
E-mail: ijbbb@iap.org
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