New Pigments from the Terrestrial Cyanobacterium Scytonema sp. Collected on the Mitaraka Inselberg, French Guyana
Inselbergs are hills rising abruptly from the surrounding plains where cyanobacteria are the only living organisms under conditions of intense solar radiation. A survival mechanism to prevent UV-damage has been associated with synthesis of the ultraviolet-screening, photostable sheath pigment scyton...
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| Veröffentlicht in: | Journal of natural products (Washington, D.C.) D.C.), 2004-04, Vol.67 (4), p.678-681 |
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| creator | Bultel-Poncé, V Felix-Theodose, F Sarthou, C Ponge, J.-F Bodo, B |
| description | Inselbergs are hills rising abruptly from the surrounding plains where cyanobacteria are the only living organisms under conditions of intense solar radiation. A survival mechanism to prevent UV-damage has been associated with synthesis of the ultraviolet-screening, photostable sheath pigment scytonemin. The organic extract of Scytonema sp., collected on the Mitaraka inselberg, French Guyana, yielded three new pigments, tetramethoxyscytonemin (1), dimethoxyscytonemin (2), and scytonine (3), derived from the scytoneman skeleton of scytonemin. These structures were assigned mainly on the basis of 1H and 13C NMR and MS experiments. |
| doi_str_mv | 10.1021/np034031u |
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Collected on the Mitaraka Inselberg, French Guyana</atitle><jtitle>Journal of natural products (Washington, D.C.)</jtitle><addtitle>J. Nat. Prod</addtitle><date>2004-04-01</date><risdate>2004</risdate><volume>67</volume><issue>4</issue><spage>678</spage><epage>681</epage><pages>678-681</pages><issn>0163-3864</issn><eissn>1520-6025</eissn><coden>JNPRDF</coden><abstract>Inselbergs are hills rising abruptly from the surrounding plains where cyanobacteria are the only living organisms under conditions of intense solar radiation. A survival mechanism to prevent UV-damage has been associated with synthesis of the ultraviolet-screening, photostable sheath pigment scytonemin. The organic extract of Scytonema sp., collected on the Mitaraka inselberg, French Guyana, yielded three new pigments, tetramethoxyscytonemin (1), dimethoxyscytonemin (2), and scytonine (3), derived from the scytoneman skeleton of scytonemin. 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| ispartof | Journal of natural products (Washington, D.C.), 2004-04, Vol.67 (4), p.678-681 |
| issn | 0163-3864 1520-6025 |
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| source | MEDLINE; ACS Publications |
| subjects | Analytical, structural and metabolic biochemistry Biochemistry Biochemistry, Molecular Biology Biological and medical sciences Candida tropicalis - drug effects Cyanobacteria - chemistry Cyanophyta Drug Screening Assays, Antitumor Escherichia coli - drug effects French Guiana Fundamental and applied biological sciences. Psychology Heterocyclic compounds, pigments Humans Indoles - chemistry Indoles - isolation & purification KB Cells Life Sciences Microbial Sensitivity Tests Miscellaneous Molecular Structure Nuclear Magnetic Resonance, Biomolecular Other biological molecules Phenols - chemistry Phenols - isolation & purification Pigments, Biological - chemistry Pigments, Biological - isolation & purification Radiation Tolerance Scytonema Solar Energy Staphylococcus aureus - drug effects Ultraviolet Rays Water Microbiology |
| title | New Pigments from the Terrestrial Cyanobacterium Scytonema sp. Collected on the Mitaraka Inselberg, French Guyana |
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