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Biosynthesis of agar in red seaweeds: a review


Lee, Wei Kang and Lim, Yi Yi and Leow, Adam Thean Chor and Abdullah, Janna Ong and Namasivayam, Parameswari and Ho, Chai Ling (2017) Biosynthesis of agar in red seaweeds: a review. Carbohydrate Polymers, 164. pp. 23-30. ISSN 0144-8617; ESSN: 1879-1344


Agar is a jelly-like biopolymer synthesized by many red seaweeds as their major cell wall component. Due to its excellent rheological properties, it has been exploited commercially for applications in food, cosmetic, pharmaceutical, biomedical and biotechnology industries. Despite its multiple uses, the biosynthesis of this phycocolloid is not fully understood. The current knowledge on agar biosynthesis is inferred from plant biochemistry and putative pathways for ulvan and alginate biosynthesis in green and brown seaweeds, respectively. In this review, the gaps in our current knowledge on agar biosynthetic pathway are discussed, focusing on the biosynthesis of agar precursors, elongation of agar polysaccharide chain and side chain modification. The development of molecular markers for the screening of desired seaweeds for industrial exploitation is also discussed.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Biotechnology and Biomolecular Sciences
DOI Number: https://doi.org/10.1016/j.carbpol.2017.01.078
Publisher: Elsevier
Keywords: Agar; Agar biosynthesis; Phycocolloid; Rhodophyta; Seaweed
Depositing User: Nida Hidayati Ghazali
Date Deposited: 19 Mar 2019 08:45
Last Modified: 22 Oct 2019 01:25
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.carbpol.2017.01.078
URI: http://psasir.upm.edu.my/id/eprint/61009
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