An ultraviolet (UV-A) absorbing biopterin glucoside from the marine planktonic cyanobacterium Oscillatoria sp.

Tadashi Matsunaga, J. Grant Burgess, Noriko Yamada, Kazuo Komatsu, Seeichi Yoshida, Youji Wachi

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

We have investigated the physiological response of marine planktonic cyanobacteria to UV-A (320-390 nm) irradiation. Here, we report the isolation of a UV-A absorbing pigment from a UV-A resistant strain of Oscillatoria. This pigment has been purified, and its structure determined to be biopterin glucoside (BG), a compound chemically related to the pteridine pigments found in butterfly wings. A UV-A sensitive isolate did not produce significant levels of this chromophore. UV-A radiation was very effective in eliciting synthesis of BG. In addition, increased UV-A radiation, increased intracellular levels of BG. These data suggest that BG may protect the cyanobacterium from adverse effects of UV-A radiation.

Original languageEnglish
Pages (from-to)250-253
Number of pages4
JournalApplied Microbiology and Biotechnology
Volume39
Issue number2
DOIs
Publication statusPublished - 1993 May
Externally publishedYes

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Oscillatoria
Biopterin
Glucosides
Cyanobacteria
Radiation
Pteridines
Butterflies

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

An ultraviolet (UV-A) absorbing biopterin glucoside from the marine planktonic cyanobacterium Oscillatoria sp. / Matsunaga, Tadashi; Burgess, J. Grant; Yamada, Noriko; Komatsu, Kazuo; Yoshida, Seeichi; Wachi, Youji.

In: Applied Microbiology and Biotechnology, Vol. 39, No. 2, 05.1993, p. 250-253.

Research output: Contribution to journalArticle

Matsunaga, Tadashi ; Burgess, J. Grant ; Yamada, Noriko ; Komatsu, Kazuo ; Yoshida, Seeichi ; Wachi, Youji. / An ultraviolet (UV-A) absorbing biopterin glucoside from the marine planktonic cyanobacterium Oscillatoria sp. In: Applied Microbiology and Biotechnology. 1993 ; Vol. 39, No. 2. pp. 250-253.
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