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Effects of benzophenone-3 on the green alga Chlamydomonas reinhardtii and the cyanobacterium Microcystis aeruginosa.
Aquat Toxicol. 2017 Dec; 193:1-8.AT

Abstract

Effects of benzophenone-3 (BP-3) on the green alga, Chlamydomonas reinhardtii, and the cyanobacterium, Microcystis aeruginosa, were investigated. The tested organisms were exposed to environmental levels of BP-3 for 10 days, at nominal concentrations from 0.01 to 5000μgL-1. Specific growth rate and photosynthetic pigments were employed to evaluate the toxic responses. The two tested algae had distinct toxic responses towards BP-3 stress, with the green alga C. reinhardtii being more sensitive than the cyanobacterium M. aeriginosa, based on EC20 and EC50 values. Uptake of BP-3 from the medium occurred in both species, with M. aeruginosa showing greater overall uptake (27.2-77.4%) compared to C. reinhardtii (1.1-58.4%). The effects of BP-3 on C. reinhardtii were variable at concentrations lower than 100μgL-1. At higher concentrations, the specific growth rate of C. reinhardtii decreased following a reduction in chlorophyll a (chl-a) content. Further experiments showed that BP-3 regulated the growth of C. reinhardtii by affecting the production of chl-a, chlorophyll b and carotenoids. In M. aeruginosa, specific growth rate was only moderately affected by BP-3. Additionally, the production of chl-a was significantly inhibited over the different exposure concentrations, while the production of carotenoids was stimulated. These results indicate a potential detrimental effect on prokaryotes and eukaryotes and that the mechanism of action varies with species.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Mao F
Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, E1A 07-03, Singapore 117576, Singapore.
He Y
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
Kushmaro A
Avram and Stella Goldstein-Goren Department of Biotechnology Engineering and the National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, 84105 Beer Sheva, Israel.
Gin KY
Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, E1A 07-03, Singapore 117576, Singapore; NUS Environmental Research Institute, National University of Singapore, 5A Engineering Drive 1, #02-01, Singapore 117411, Singapore. Electronic address: ceeginyh@nus.edu.sg.

MeSH

BenzophenonesChlamydomonas reinhardtiiChlorophyllChlorophyll AMicrocystisPhotosynthesisPigments, BiologicalSunscreening AgentsWater Pollutants, Chemical

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28992446

Citation

Mao, Feijian, et al. "Effects of Benzophenone-3 On the Green Alga Chlamydomonas Reinhardtii and the Cyanobacterium Microcystis Aeruginosa." Aquatic Toxicology (Amsterdam, Netherlands), vol. 193, 2017, pp. 1-8.
Mao F, He Y, Kushmaro A, et al. Effects of benzophenone-3 on the green alga Chlamydomonas reinhardtii and the cyanobacterium Microcystis aeruginosa. Aquat Toxicol. 2017;193:1-8.
Mao, F., He, Y., Kushmaro, A., & Gin, K. Y. (2017). Effects of benzophenone-3 on the green alga Chlamydomonas reinhardtii and the cyanobacterium Microcystis aeruginosa. Aquatic Toxicology (Amsterdam, Netherlands), 193, 1-8. https://doi.org/10.1016/j.aquatox.2017.09.029
Mao F, et al. Effects of Benzophenone-3 On the Green Alga Chlamydomonas Reinhardtii and the Cyanobacterium Microcystis Aeruginosa. Aquat Toxicol. 2017;193:1-8. PubMed PMID: 28992446.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of benzophenone-3 on the green alga Chlamydomonas reinhardtii and the cyanobacterium Microcystis aeruginosa. AU - Mao,Feijian, AU - He,Yiliang, AU - Kushmaro,Ariel, AU - Gin,Karina Yew-Hoong, Y1 - 2017/10/02/ PY - 2017/04/14/received PY - 2017/09/08/revised PY - 2017/09/29/accepted PY - 2017/10/11/pubmed PY - 2017/12/16/medline PY - 2017/10/10/entrez KW - Benzophenone-3 KW - Cyanobacteria KW - Green algae KW - Photosynthesis KW - Toxicity KW - Uptake SP - 1 EP - 8 JF - Aquatic toxicology (Amsterdam, Netherlands) JO - Aquat Toxicol VL - 193 N2 - Effects of benzophenone-3 (BP-3) on the green alga, Chlamydomonas reinhardtii, and the cyanobacterium, Microcystis aeruginosa, were investigated. The tested organisms were exposed to environmental levels of BP-3 for 10 days, at nominal concentrations from 0.01 to 5000μgL-1. Specific growth rate and photosynthetic pigments were employed to evaluate the toxic responses. The two tested algae had distinct toxic responses towards BP-3 stress, with the green alga C. reinhardtii being more sensitive than the cyanobacterium M. aeriginosa, based on EC20 and EC50 values. Uptake of BP-3 from the medium occurred in both species, with M. aeruginosa showing greater overall uptake (27.2-77.4%) compared to C. reinhardtii (1.1-58.4%). The effects of BP-3 on C. reinhardtii were variable at concentrations lower than 100μgL-1. At higher concentrations, the specific growth rate of C. reinhardtii decreased following a reduction in chlorophyll a (chl-a) content. Further experiments showed that BP-3 regulated the growth of C. reinhardtii by affecting the production of chl-a, chlorophyll b and carotenoids. In M. aeruginosa, specific growth rate was only moderately affected by BP-3. Additionally, the production of chl-a was significantly inhibited over the different exposure concentrations, while the production of carotenoids was stimulated. These results indicate a potential detrimental effect on prokaryotes and eukaryotes and that the mechanism of action varies with species. SN - 1879-1514 UR - https://www.unboundmedicine.com/medline/citation/28992446/Effects_of_benzophenone_3_on_the_green_alga_Chlamydomonas_reinhardtii_and_the_cyanobacterium_Microcystis_aeruginosa_ DB - PRIME DP - Unbound Medicine ER -