Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore.

In the context of coral reef ecosystems, oxidative stress, which results from the over damaging effects of reactive oxygen species (ROS) in the cell, has been linked to worldwide mass coral mortality events. Several studies were conducted on corals on ROS detoxifying cellular antioxidant enzymes. Ho...

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Main Author: Chen, Belinda Jinyu.
Other Authors: School of Biological Sciences
Format: Final Year Project (FYP)
Language:English
Published: 2012
Subjects:
Online Access:http://hdl.handle.net/10356/49517
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author Chen, Belinda Jinyu.
author2 School of Biological Sciences
author_facet School of Biological Sciences
Chen, Belinda Jinyu.
author_sort Chen, Belinda Jinyu.
collection NTU
description In the context of coral reef ecosystems, oxidative stress, which results from the over damaging effects of reactive oxygen species (ROS) in the cell, has been linked to worldwide mass coral mortality events. Several studies were conducted on corals on ROS detoxifying cellular antioxidant enzymes. However, no data are available on the antioxidant systems on corals in Singapore. This project aimed at providing genetic and proteic information on two main antioxidant enzymes (catalase and thioredoxin), to determine their suitability as early oxidative stress diagnostic markers in Singapore coral ecosystems, and design primers for their gene expression study. The bibliography search highlights several oxidant factors, mostly temperature related, causing up-regulation of catalase and thioredoxin gene expression. Conservation of several important motif sites needed for functional three-dimensional folding of proteins was also observed for both proteins. From these data, catalase and thioredoxin appear as suitable oxidative stress diagnostic markers in coral ecosystems. Primers were designed to target specifically either coral or zooxanthellae. After sampling of corals in Singapore, DNA and RNA were extracted and preliminary PCR test was run. Further analysis may conclude on the specificity and efficiency of the designed primers to be use as early warning tool in coral reefs.
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spelling ntu-10356/495172023-02-28T18:07:34Z Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore. Chen, Belinda Jinyu. School of Biological Sciences Damien Raingeard Diane McDougald DRNTU::Science::Biological sciences In the context of coral reef ecosystems, oxidative stress, which results from the over damaging effects of reactive oxygen species (ROS) in the cell, has been linked to worldwide mass coral mortality events. Several studies were conducted on corals on ROS detoxifying cellular antioxidant enzymes. However, no data are available on the antioxidant systems on corals in Singapore. This project aimed at providing genetic and proteic information on two main antioxidant enzymes (catalase and thioredoxin), to determine their suitability as early oxidative stress diagnostic markers in Singapore coral ecosystems, and design primers for their gene expression study. The bibliography search highlights several oxidant factors, mostly temperature related, causing up-regulation of catalase and thioredoxin gene expression. Conservation of several important motif sites needed for functional three-dimensional folding of proteins was also observed for both proteins. From these data, catalase and thioredoxin appear as suitable oxidative stress diagnostic markers in coral ecosystems. Primers were designed to target specifically either coral or zooxanthellae. After sampling of corals in Singapore, DNA and RNA were extracted and preliminary PCR test was run. Further analysis may conclude on the specificity and efficiency of the designed primers to be use as early warning tool in coral reefs. Bachelor of Science in Biological Sciences 2012-05-21T06:46:38Z 2012-05-21T06:46:38Z 2012 2012 Final Year Project (FYP) http://hdl.handle.net/10356/49517 en Nanyang Technological University 43 p. application/pdf
spellingShingle DRNTU::Science::Biological sciences
Chen, Belinda Jinyu.
Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore.
title Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore.
title_full Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore.
title_fullStr Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore.
title_full_unstemmed Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore.
title_short Bioinformatics study of well established markers of oxidative stress for further molecular applications in coral, its symbionts and other associated species in Singapore.
title_sort bioinformatics study of well established markers of oxidative stress for further molecular applications in coral its symbionts and other associated species in singapore
topic DRNTU::Science::Biological sciences
url http://hdl.handle.net/10356/49517
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