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Biotechnology Letters

, Volume 31, Issue 10, pp 1531–1535 | Cite as

Selective inhibition of the cyanobacterium, Microcystis, by a Streptomyces sp.

  • Xiu-Hong Hua
  • Jian-Hong Li
  • Ju-Jiao Li
  • Li-Hua Zhang
  • Yan Cui
Original Research Paper

Abstract

A Streptomyces strain, NT0401, was isolated from soil that selectively inhibited Microcystis strains but did not affect other microorganisms. Based on its morphology, physiology and 16S rDNA sequence, it was identified as Streptomyces grisovariabilis. The active substance produced by NT0401 was a water-soluble compound with a Mr <1 kDa that was stable over a broad pH range and at 100°C for 20 min. This organism should be a potential environment-friendly strain for control of Microcystis blooms.

Keywords

Active substance Biological control Cyanobacterial bloom Inhibition Microcystis Streptomyces 

Notes

Acknowledgments

We thank Professor Cheng-Cai Zhang and W. L. Shao for making constructive commentaries on the manuscript. The project was sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry.

Supplementary material

10529_2009_51_MOESM1_ESM.docx (21 kb)
Supplementary material 1 (DOCX 18 kb)

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Xiu-Hong Hua
    • 1
    • 2
  • Jian-Hong Li
    • 1
  • Ju-Jiao Li
    • 1
  • Li-Hua Zhang
    • 1
  • Yan Cui
    • 1
  1. 1.Jiangsu Key Laboratory for Biodiversity and Biotechnology, Life Sciences CollegeNanjing Normal UniversityNanjingChina
  2. 2.Jiangsu Academy of Agricultural SciencesNanjingChina

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