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Yahoo! My Yahoo! Mail More Yahoo! Services Account Options New User? Sign Up Sign In Help Yahoo! Search web search Home Singapore Asia Pacific World Business Entertainment Sports Technology Australia corals to light up cancer cure fight AFP - Sunday, August 15 Send IM Story Print Australia corals to light up cancer cure fight SYDNEY (AFP) - – Australian scientists have discovered a cluster of brilliant shallow-water corals that could help in the search for anti-cancer drugs and to understand global warming, a researcher said Saturday. The vividly fluorescent cluster was found in waters off Lord Howe Island, 600 kilometres (400 miles) east of the Australian mainland, with some displaying rich reds that were difficult to find and in high demand for studies of cancer cells, researcher Anya Salih said. "The underwater buttresses and caverns are densely inhabited by hundreds of corals, all deeply pigmented by the most intense green, blue and many with red fluorescence," she said. Salih said she had never seen such an abundance of highly red fluorescent corals, nor such an extraordinarily vibrant site. "We are using these pigments to light up the workings of living cells and to study what goes wrong in cancer cells," said Salih, from the University of Western Sydney. The gene producing the particular pigment -- red, green, blue or yellow -- would be attached to a molecule in both healthy and cancerous cells, and would enable scientists to track cell growth and change using a special fluorescent-sensitive laser microscope. Salih is working with scientists from the University of California to explore how cancer cells differ from normal cells and how effective anti-cancer drugs are. She said red pigments were especially valuable because they allowed researchers to see deeper into tissues. "These fluorescent molecules are transforming cell science and biomedical research," said Salih. The corals were discovered by scientists tracking the recovery of coral bleaching linked to global warming at Lord Howe Island, and Salih said they were invaluable not only for her research but for understanding climate change. "Earlier this year, the coral reefs of Lord Howe Island experienced a sudden mass bleaching event caused by warming of seawater. It's a sign that global warming is beginning to be a threat to coral survival even to the most southern reefs in Australia," she said. But the fluorescent corals had been much less damaged by the bleaching, lending "support to the hypothesis that fluorescence can provide some level of protection to corals from temperature stresses due to climate change." "Coral fluorescence is proving to be incredibly important in the biology of coral reefs and their ability to survive stressful conditions," she said. Recommend Send IM Story Print News Search Top Stories Wall Street ends week with sharp drops and gloom Australia corals to light up cancer cure fight Obama endorses mosque plan near Ground Zero US museum exhibit to focus on endangered plants Ever the revolutionary, a resurgent Fidel Castro turns 84 More Top Stories » ADVERTISEMENT Most Popular Most Viewed Most Recommended Belgian man dies of South Asian superbug Obama endorses mosque plan near Ground Zero Germany drives record Europe recovery, but experts fear peak Fed dissenter slams ultra low rate policy Ever the revolutionary, a resurgent Fidel Castro turns 84 More Most Viewed » Argentine students crack three-decade-old murder mystery Obama endorses mosque plan near Ground Zero 40 US billionaires pledge half wealth to charity Visitors attack Taiwan 'haunted house' actors World's first full face transplant man appears on TV More Most Recommended » Elsewhere on Yahoo! Financial news on Yahoo! Finance Stars and latest movies Best travel destinations More on Yahoo! News Home Singapore Asia Pacific World Business Entertainment Sports Technology Subscribe to our news feeds Top StoriesMy Yahoo!RSS » More news feeds | What are news feeds? Also on Yahoo! Answers Groups Mail Messenger Mobile Travel Finance Movies Sports Games » All Yahoo! Services Site Highlights Singapore Full Coverage Most Popular Asia Entertainment Photos World Cup 2010 Copyright © 2010 Yahoo! Southeast Asia Pte. Ltd. (Co. Reg. No. 199700735D). All Rights Reserved. Terms of Service | Privacy Policy | Community | Intellectual Property Rights Policy | Help

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