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Physiological effects of nickel chloride on the freshwater cyanobacterium Synechococcus sp. IU 625

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DOI: 10.4236/abb.2013.47A2002    4,004 Downloads   6,709 Views   Citations

ABSTRACT

Harmful algal blooms (HABs) are a serious environmental problem globally. The ability of cyanobacteria, one of the major causative agents of HABs, to grow in heavy metal polluted areas is proving a challenge to environmental restoration initiatives. Some cyanobacteria secrete toxins, such as microcystin, that are potentially dangerous to animals and humans. In this study, the physiology of a cyanobacterium was assessed to nickel chloride exposure. Cell growths were monitored throughout the study with various nickel chloride concentrations (0, 10, 25 or 50 mg/L). Morphological abnormalities were observed with microscopic image analyses. Inductively coupled plasma mass spectrometry (ICP-MS) was carried out to trace the distribution of nickel during the growth period. This study provides insight on potential nickel response mechanisms in freshwater cyanobacteria, which may lead to effective HAB prevention strategy development.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Nohomovich, B. , Nguyen, B. , Quintanilla, M. , Lee, L. , Murray, S. and Chu, T. (2013) Physiological effects of nickel chloride on the freshwater cyanobacterium Synechococcus sp. IU 625. Advances in Bioscience and Biotechnology, 4, 10-14. doi: 10.4236/abb.2013.47A2002.

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