Isolation of salinity tolerant genes from the mangrove plant, Bruguiera cylindrica by using suppression subtractive hybridization (SSH) and bacterial functional screening

Wong, Yeen-Yee and Ho, Chai Ling and Nguyen, Phuoc Dang and Teo, Swee Sen and Harikrishna, Jennifer Ann and Raha Abdul Rahim, and Wong, Clemente Michael Vui Ling (2007) Isolation of salinity tolerant genes from the mangrove plant, Bruguiera cylindrica by using suppression subtractive hybridization (SSH) and bacterial functional screening. Aquatic Botany, 86 (2). pp. 117-122. ISSN 0304-3770

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Official URL: http://dx.doi.org/10.1016/j.aquabot.2006.09.009

Abstract

In this study, we have identified and isolated 126 salinity tolerant cDNAs from the root of a mangrove plant, Bruguiera cylindrica (L.) Blume by using suppression subtractive hybridization (SSH) and bacterial functional screening. Sequencing of 51 subtracted cDNA clones that were differentially expressed in the root of B. cylindrica exposed to 20 parts per thousand (ppt) NaCl water revealed 10 tentative unique genes (TUGs) with putative functions in protein synthesis, storage and destination, metabolism, intracellular trafficking and other functions; and 9 unknown proteins. Meanwhile, the 75 cDNA sequences of B. cylindrica that conferred salinity tolerance to Escherichia coli consisted of 29 TUGs with putative functions in transportation, metabolism and other functions; and 33 with unknown functions. Both approaches yielded 42 unique sequencess that have not been reported else where to be stress related and might provide further understanding of adaptations of this plant to salinity stress. (c) 2006 Elsevier B.V. All rights reserved.

Item Type:Article
Uncontrolled Keywords:Mangrove, Bacterial functional screening, Bruguiera cylindrica, Salinity tolerance, Sequence analysis, Suppression subtractive hybridization (SSH)
Subjects:Q Science > QK Botany
Divisions:SCHOOL > Biotechnology Research Institute (BRI)
ID Code:1179
Deposited By:IR Admin
Deposited On:22 Sep 2011 16:16
Last Modified:18 Feb 2015 12:25

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