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Triple Helix: Designing a New Molecule of Life
Published December 1, 2008, 1:12 am, Scientific American
For all the magnificent diversity of life on this planet, ranging from tiny bacteria to majestic blue whales, from sunshine-harvesting plants to mineral-digesting endoliths miles underground, only one kind of “life as we know it” exists. All these organisms are based on nucleic acids--DNA and RNA--and proteins, working together more or less as described by the so-called central dogma of ...
Majority of bacteria may have descended from a land-dwelling ancestor
Published November 29, 2008, 1:37 am, New Kerala
London, Nov 29 : An analysis by two US scientists has determined that the majority of bacteria may have evolved on land from an early common ancestor three billion years ago.
Terrestrial origin mooted for more microbes
Published November 28, 2008, 11:43 am, Nature
More than two-thirds of bacteria may have descended from a land-dwelling ancestor.
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