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Molecular characterization of Dg3, a cDNA that encodes a novel lipid transfer protein in Brassica napus


Citation

Namasivayam, Parameswari and Hanke, David E. (2008) Molecular characterization of Dg3, a cDNA that encodes a novel lipid transfer protein in Brassica napus. Journal of Biological Sciences, 8 (5). pp. 846-856. ISSN 1727-3048

Abstract / Synopsis

In this study, we have analysed the sequence of Dg3 clone using bioinformatic tools, determined copy number of this transcript in the genome of B. napus and expression levels at various tissues/organ. The cDNA contained 307-base pair open reading frame encoding 102 amino acid residues, 60-base pair 5`-untranslated region and 127-base pair 3`-untranslated region. The predicted mature protein has a molecular weight of 9.2 kDa and is acidic, with a predicted isoelectric point (pI) of 6.2. The Dg3 sequence has all the conserved structural characteristics of plant LTPs and showed highest homology to LTPs from other plant species. The transcripts of Dg3 were detected in all tested tissues but highest expression was in siliques and in vitro embryogenic cultures. Possible roles of Dg3 during somatic embryogenesis and normal plant development are discussed.


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Additional Metadata

Item Type: Article
Subject: Plant proteins - Biotechnology
Subject: Molecular cloning
Subject: Brassica napus
Divisions: Faculty of Biotechnology and Biomolecular Sciences
DOI Number: https://doi.org/10.3923/jbs.2008.846.856
Publisher: American Network for Scientific Information
Keywords: Lipid transfer protein; cDNA; B.napus; Transcript; Expression analysis
Depositing User: Nida Hidayati Ghazali
Date Deposited: 24 Jul 2012 01:30
Last Modified: 22 Dec 2015 04:42
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.3923/jbs.2008.846.856
URI: http://psasir.upm.edu.my/id/eprint/15699
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