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15-million-year-old mollusk protein found

A team of US scientists have found "beautifully preserved" 15 million-year-old thin protein sheets in fossil shells from southern Maryland. Their findings are published in the inaugural issue of Geochemical Pe ...

dateFeb 05, 2015 in Earth Sciences
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No knots in known RNA structures

It had never been verified before: unlike other biopolymers, RNA, the long strand that is 'cousin' to DNA, tends not to form knots. The observation has been published in the journal PNAS by a research team o ...

dateFeb 02, 2015 in Cell & Microbiology
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Protein recycling machine visualized

Howard Hughes Medical Institute (HHMI) scientists have new structures of an essential cellular recycling machine that depict its structure with near atomic-level detail. The structures, which show a protein ...

dateJan 13, 2015 in Cell & Microbiology
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How cells communicate

During embryonal development of vertebrates, signaling molecules inform each cell at which position it is located. In this way, the cell can develop its special structure and function. For the first time ...

dateJan 14, 2015 in Cell & Microbiology
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