Literature DB >> 17102923

New violet 3,3'-bipyridyl pigment purified from deep-sea microorganism Shewanella violacea DSS12.

Hideki Kobayashi1, Yuichi Nogi, Koki Horikoshi.   

Abstract

We have purified a new violet pigment derived from Shewanella violacea DSS12 to determine its chemical structure. The pigment colored blue in tetrahydrofuran (THF) or chloroform and showed a broad absorption spectrum from 500 to 700 nm. X-ray diffraction analysis of single crystals showed that the chemical structure of this pigment was 5,5'-didodecylamino-4,4'-dihydroxy-3,3'-diazodiphenoquinone-(2,2'), containing the same chromophore as an indigoidine known as microbial blue pigment. The violet color of this pigment was due to hypsochromic shift (blue shift) caused by the side-by-side orientation of this pigment molecule, revealed by X-ray structural analyses of a single crystal.

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Year:  2006        PMID： 17102923     DOI： 10.1007/s00792-006-0032-3

Source DB:  PubMed          Journal:  Extremophiles        ISSN： 1431-0651            Impact factor:   2.395


  21 in total

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3.  Correlation between phylogenetic structure and function: examples from deep-sea Shewanella.

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6.  Effect of cultural conditions on the synthesis of violacein in mesophilic and psychrophilic strains of Chromobacterium.

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7.  Morphological, physiological, and biochemical characteristics of some violet-pigmented bacteria isolated from seawater.

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9.  Taxonomic studies of deep-sea barophilic Shewanella strains and description of Shewanella violacea sp. nov.

Authors:  Y Nogi; C Kato; K Horikoshi
Journal:  Arch Microbiol       Date:  1998-10       Impact factor: 2.552

10.  Deferribacter desulfuricans sp. nov., a novel sulfur-, nitrate- and arsenate-reducing thermophile isolated from a deep-sea hydrothermal vent.

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  4 in total

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2.  Isolation and characterization of two groups of novel marine bacteria producing violacein.

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Journal:  Mar Biotechnol (NY)       Date:  2007-10-30       Impact factor: 3.619

3.  Bioactive pigments from marine bacteria: applications and physiological roles.

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Review 4.  Pigment production by cold-adapted bacteria and fungi: colorful tale of cryosphere with wide range applications.

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  4 in total

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