| Growth response and toxic effects of three antibiotics on Selenastrum capricornutum evaluated by photosynthetic rate and chlorophyll biosynthesis. | |
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MedLine Citation:
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PMID: 22432294 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The effects of three types of antibiotics (erythromycin, ciprofloxacin and sulfamethoxazole) on the photosynthesis of freshwater algae, Selenastrum capricornutum Printz, were investigated by determining the growth rate, chloroplast pigments content, seven main precursors (including delta-aminolevulinic acid, porphobilinogen, uroporphyrinogen III, coproporphyrinogen III, protoporphyrin IX, Mg-proporphyrin IX and protochlorophyllide), and photosynthetic rate during chlorophyll biosynthesis. The antibiotics significantly decreased the growth rate, chlorophyll content, and photosynthetic rate. Erythromycin induced a decreasing effect at a concentration of 0.06 mg/L, while ciprofloxacin and sulfamethoxazole achieved the same results at concentrations higher than 1.5 mg/L. Only erythromycin significantly inhibited chlorophyll biosynthesis, which indicated that it was considerably more toxic to S. capricornutum than ciprofloxacin and sulfamethoxazole, and may pose a high potential risk to aquatic ecosystems. |
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Authors:
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Binyang Liu; Weiqiu Liu; Xiangping Nie; Chao Guan; Yufeng Yang; Zhaohui Wang; Wei Liao |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of environmental sciences (China) Volume: 23 ISSN: 1001-0742 ISO Abbreviation: J Environ Sci (China) Publication Date: 2011 |
Date Detail:
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Created Date: 2012-03-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100967627 Medline TA: J Environ Sci (China) Country: Netherlands |
Other Details:
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Languages: eng Pagination: 1558-63 Citation Subset: IM |
Affiliation:
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Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute ofHydrobiology, Jinan University, Guangzhou 510632, China. fleetcher2003@163.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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