Effect of copper on Marine Microalga Tetraselmis suecica and its Influence on Intra- and Extracellular Iron and Zinc Content
- Authors
- K. Suresh Kumar; 신경훈
- Issue Date
- Mar-2017
- Publisher
- 한국하천호수학회
- Keywords
- copper; growth; intra-extracellular; Tetraselmis suecica
- Citation
- 생태와 환경, v.50, no.1, pp.16 - 28
- Indexed
- KCI
- Journal Title
- 생태와 환경
- Volume
- 50
- Number
- 1
- Start Page
- 16
- End Page
- 28
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/11183
- DOI
- 10.11614/KSL.2017.50.1.016
- ISSN
- 2288-1115
- Abstract
- In an aquatic environment, toxicity of metals to organisms depends on external factors (type of metal, exposure concentration and duration, environmental parameters, and water quality) and intracellular processes (metal-binding sites and detoxification). Toxicity of copper (Cu) on the marine microalga Tetraselmis suecica was investigated in this study. Dose-dependent (Cu concentration dependent) inhibition of growth and cell division, as well as, variation of intra- and extra-cellular Cu, Fe and Zn content was observed. T. suecica was sensitive to Cu; the 96 h EC50 (concentration to inhibit growth-rate by 50%) of growth rate (μ) (21.73 μM L-1), cell division day-1 (18.39 μM L-1), and cells mL-1 (13.25 μM L-1) demonstrate the toxicity of Cu on this microalga. High intra- (19.86 Pg cell-1) and extra-cellular (54.73 Pg cell-1) Cu concentrations were recorded, on exposure to 24.3 and 72.9 μM L-1 of Cu.
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