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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

The presence of guanosine 5'-diphospho-5'-guanosine and guanosine 5'-triphospho-5'-adenosine in brine shrimp embryos.

Acid-soluble extracts of dormant embryos of the brine shrimp, Artemia salina, contain small amounts of two previously undescribed dinucleotides which we have identified to be guanosine 5'-diphospho-5'-guanosine and guanosine 5'-triphospho-5'-adenosine. These compounds each comprise about 0.03% of the dry weight of the encysted embryos and are related chemically to guanosine 5'-triphospho-5'-guanosine and guanosine 5'-tetraphospho-5'-guanosine which have been shown previously to be major constituents of the nucleotide pool of Artemia cysts. These new dinucleotides were purified from perchloric acid extracts of dormant cysts by ion exchange column chromatography and identified by means of chemical, spectrophotometric, and enzymatic analyses compared to commercially available compounds. The possible role of these new compounds in nucleotide and nucleic acid metabolism in Artemia embryos is discussed.[1]

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