Encapsulation as a response of Azospirillum brasilense sp7 to zinc stress

Azospirillum brasilense sp7 was exposed to 2MM Zn(2+) in minimal medium upon which the cells turned black and non-motile within 24 h. A streptomycin-resistant variant did not exhibit this phenomenon and is sensitized to zinc. A prelude to encystation was the elution of a melanin-like pigment into th...

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Veröffentlicht in:World journal of microbiology & biotechnology 1996-07, Vol.12 (4), p.319-322
Hauptverfasser: Mangala Gowri, P, Srivastava, S
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creator Mangala Gowri, P
Srivastava, S
description Azospirillum brasilense sp7 was exposed to 2MM Zn(2+) in minimal medium upon which the cells turned black and non-motile within 24 h. A streptomycin-resistant variant did not exhibit this phenomenon and is sensitized to zinc. A prelude to encystation was the elution of a melanin-like pigment into the medium.
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subjects Azospirillum brasilense
Biological and medical sciences
Biology of microorganisms of confirmed or potential industrial interest
Biotechnology
Fundamental and applied biological sciences. Psychology
Miscellaneous
Mission oriented research
soil biology
soil science
title Encapsulation as a response of Azospirillum brasilense sp7 to zinc stress
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