Current Search: Biological assay (x)
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Title
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Bioassay-guided isolation and identification of linoleic acid: A guanosine diphosphate/G-protein RASexchange (GDPX) inhibitor from Aspergillus.
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Creator
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Gunasekera, Sarath P., Sennett, Susan H., Janda, Kathleen E., Bryant, R. W., Harbor Branch Oceanographic Institute
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Date Issued
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1995
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PURL
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http://purl.flvc.org/fau/fd/FA00007232
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Subject Headings
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Aspergillus, Linoleic acid, Biological Assay
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Format
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Document (PDF)
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Title
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Biosynthetic studies of the antitumor ecteinascidins in the marine tunicate Ecteinascidia turbinata.
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Creator
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Miranda, Neil Fermino, Florida Atlantic University, Kerr, Russell G.
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Abstract/Description
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Ecteinascidin is a tetrahydroisoquinoline alkaloid isolated from the colonial ascidian Ecteinascidia turbinata. Ecteinascidin exhibits tremendous activity against P388 murine leukemia, however its yields from the tunicate are as low as 10^-4%. A biosynthetic investigation, using in vivo and in vitro methods, has resulted in the identification of the metabolic precursors of ecteinascidin as tyrosine, DOPA and cysteine. Reactive intermediates such as tyrosine and DOPA diketopiperazines have...
Show moreEcteinascidin is a tetrahydroisoquinoline alkaloid isolated from the colonial ascidian Ecteinascidia turbinata. Ecteinascidin exhibits tremendous activity against P388 murine leukemia, however its yields from the tunicate are as low as 10^-4%. A biosynthetic investigation, using in vivo and in vitro methods, has resulted in the identification of the metabolic precursors of ecteinascidin as tyrosine, DOPA and cysteine. Reactive intermediates such as tyrosine and DOPA diketopiperazines have also been identified. These preliminary experiments set the stage for subsequent protein isolation.
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Date Issued
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1996
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PURL
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http://purl.flvc.org/fcla/dt/15242
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Subject Headings
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Tunicata, Marine pharmacology, Biological assay
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Format
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Document (PDF)
