Tellurite removal by marine photosynthetic bacteria

Akiyo Yamada, Nobuyuki Miyagishima, Tadashi Matsunaga

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Novel strains of purple nonsulfur bacteria, NKPB160041 and NKPB030619, which showed high-levels of resistance to tellurite were screened from 50 photosynthetic bacteria isolated from the marine environment. The MIC of tellurite for stains NKPB160041 and NKPB030619 under photoheterotrophic culture conditions was 6.0 mM and 5.0 mM, respectively. Tellurite concentration in the culture supernatant decreased to below 0.05 mM within 34 days when 0.85 mM of tellurite was added to the growth medium of strain NKPB030619. The color of the cell suspension turned black, due to the formation of intracellular deposits. These deposits were observed in both strains and confirmed as a black metallic elemental tellurium by x-ray energy-dispersive spectrogram analysis.

Original languageEnglish
Pages (from-to)46-49
Number of pages4
JournalJournal of Marine Biotechnology
Volume5
Issue number1
Publication statusPublished - 1997
Externally publishedYes

Fingerprint

Bacteria
Deposits
Rhodospirillaceae
Tellurium
Suspensions
Coloring Agents
Color
X-Rays
X rays
tellurous acid
Growth

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Tellurite removal by marine photosynthetic bacteria. / Yamada, Akiyo; Miyagishima, Nobuyuki; Matsunaga, Tadashi.

In: Journal of Marine Biotechnology, Vol. 5, No. 1, 1997, p. 46-49.

Research output: Contribution to journalArticle

Yamada, Akiyo ; Miyagishima, Nobuyuki ; Matsunaga, Tadashi. / Tellurite removal by marine photosynthetic bacteria. In: Journal of Marine Biotechnology. 1997 ; Vol. 5, No. 1. pp. 46-49.
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