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Scientists Discover New Life Forms In The Arctic Ocean
Quebec City, Canada (SPX) Jan 15, 2007 An international team of scientists including Universite Laval biologist Connie Lovejoy has discovered new life forms in the Arctic Ocean. The team's findings are reported in the January 12 edition of the journal Science. The researchers have discovered a new group of microscopic organisms, which they have baptized "picobiliphytes": pico because of their extremely small size, measured in millionths of a meter, bili because they contain biliproteins, highly fluorescent substances that transform light into biomass, and phyte meaning they are plants. The discovery came from carefully analyzing DNA sequences belonging to vast communities of micro-organisms living in the ocean. "There was one group of sequences that just didn't line up with any of the known groups," explains Dr. Lovejoy. "In fact, the divergence of this group from known organisms is as great as the difference between land plants and animals," adds the scientist. Over this last year the team has been scouring data bases, verifying their results and applying new techniques to their samples. They can now confirm that these new life forms are abundantly distributed throughout northern seas. They have yet to be brought into culture, but can be seen using advanced microscopy techniques. "It's a very exciting discovery," comments Dr. Lovejoy. "The ocean covers 70% of planet earth and we are only now coming to appreciate its rich and complex biodiversity." The other members of the team responsible for this discovery are Fabrice Not, Khadidja Romari, and Daniel Vaulot from Universite Pierre et Marie Curie (France); Klaus Valentin, Kerstin Tobe, and Linda Medlin from the Alfred Wegener Institute for Polar and Marine Research (Germany); and Ramon Massana from Institut de Ci�ncies del Mar (Spain). Community Email This Article Comment On This Article Related Links Department of biology at Universite Laval Darwin Today At TerraDaily.com Darwin Today At TerraDaily.com
Mystery As Hundreds Of Birds Fall From Sky In Australia
Sydney (AFP) Jan 11, 2007Australian authorities are investigating the mysterious deaths of hundreds of birds that dropped from the sky over a small coastal town in a period of a few weeks. Residents of Esperance in Western Australia found their suburban properties littered with the bodies of honeyeaters, wattle birds and yellow-throated miners, local media reported this week. |
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