The combined toxicity influence of microplastics and nonylphenol on microalgae Chlorella pyrenoidosa

Yang, Wei; Gao, Xinxin; Wu, Yixiao; Wan, Lijuan; Tan, Lichen; Yuan, Shaoman; Ding, Huijun; Zhang, Weihao

doi:10.1016/j.ecoenv.2020.110484

Cited by 193 publications

(41 citation statements)

References 63 publications

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“…CAT and SOD activities increased when the concentrations of polyethylene, polyamide and polystyrene reached 50 mg L -1 . CAT and SOD activities had the maximum values at 100 mg L -1 of three micro plastics [55]. In their study, high concentrations of micro plastics caused swelling of microalgal cells and stress factor occurred.…”

Section: Borodinellopsis Texensis Which Was Cultured In 100%mentioning

confidence: 87%

Biomass and Bio-butanol Production from Borodinellopsis texensis CCALA 892 in Synthetic Wastewater: Determination of Biochemical Composition

Onay

2020

Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Microalgae can generally maintain the high amounts of biomass in the wastewater and they can be converted from biomass to bio-butanol. Bio-butanol is a liquid biofuel and it has significant physical and chemical properties. In this study, we carried out bio-butanol production from Borodinellopsis texensis CCALA 892 grown in various concentrations of the municipal wastewater. Also, we determined biochemical composition ratios of microalgae samples and studied the some antioxidant enzymes such as catalase, superoxide dismutase and ascorbate peroxidase. In the current study, bio-butanol was produced by the acetonebutanol-ethanol (ABE) fermentation method. The microalgae sample grown in 25% of wastewater had the highest biomass productivity among five wastewater samples with 0.114 ± 0.002 g L-1 d-1. The carbohydrate and protein concentrations of control group increased day by day and their values reached stationary phases at seven days. The sample grown in 25% of wastewater had the highest carbohydrate concentration with 0.30 g L-1 and protein concentration with 0.35 g L-1 at the stationary phase. The maximum enzyme activities for catalase, superoxide dismutase and ascorbate peroxidase were 15.33 ± 0.88, 8.67 ± 0.67 and 33 ± 1.53 µmole/mg, respectively at 25% of wastewater. In addition, bio-butanol content of B. texensis CCALA 892 was 3.63 ± 0.21 g L-1 and its bio-butanol yield was found as 0.18 ± 0.011 g/g sugar. In the next study, we can examine large scale butanol production.

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Section: Borodinellopsis Texensis Which Was Cultured In 100%mentioning

confidence: 87%

Biomass and Bio-butanol Production from Borodinellopsis texensis CCALA 892 in Synthetic Wastewater: Determination of Biochemical Composition

Onay

2020

Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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“…In general, a reduction in the average growth rate was observed due to exposure to microplastics compared with the control groups (Casado et al 2013;Chen et al 2020a, b;Fu et al 2019;Hazeem et al 2020;Lin et al 2020;Mao et al 2018;Nolte et al 2017;Tunali et al 2020;Wang et al 2020;Wu et al 2019;Xiao et al 2020;Yang et al 2020). In some cases, such effect was seen only after long chronic toxicity tests, after 78 days (Lagarde et al 2016).…”

Section: Growth Inhibitionmentioning

confidence: 88%

“…3a). It is worth mentioning that some authors tested more than one concentration class in their experiments (e.g., Lin et al 2020;Mao et al 2018;Sjollema et al 2016;Wu et al 2019;Xiao et al 2020;Yang et al 2020).…”

Section: Route Of Exposurementioning

confidence: 99%

Microplastics and freshwater microalgae: what do we know so far?

2021

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The constant entry of microplastics in several environmental matrices has been of great concern to the scientific community and to society in general, mainly due to the mysteries that surround the implications of this pollutant in the environment. Freshwater ecosystems are resources especially susceptible to variations in environmental quality, and the lack of data on the impacts caused by plastic fragments exacerbates the vulnerability of this environment. Considering the results of other studies, which demonstrate the increasing entry of polymeric fragments in the aquatic environment can lead to algae growth inhibition, an investigation was carried out to determine the current state of research on the interaction between microplastics and freshwater microalgae. In total, 20 scientific articles were analyzed. Different species were subjected to toxicological tests under controlled conditions in the laboratory with small microplastics (size range between 0.1 and 1000 lm), primary and secondary microplastics of different types of polymer. Four toxicity class of indicators were chosen to assess the microalgae response to exposure to microplastic in the selected studies: growth inhibition; photosynthetic activity; pigment analysis; and enzymatic activity and oxidative stress. In this review, a critical analysis is made on the effects of the shape, size, concentration, and duration of exposure to microplastics and research gaps are identified to guide future research priorities in this area of study.

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“…Exposed to PVC microplastics (1 µm), the growth of Skeletonema costatum was reported to reduce by 39.7% at 96 h under 50 mg/L treatment [99], and the inhibitory rate for Karenia mikimotoi was 45.8% at 24 h under 100 mg/L treatment [100]. The growth inhibition effect also increased with the decreasing of particle size [101,102]. The inhibition effect of 6 µm PS particles on the growth of Dunaliella tertiolecta was not significant, but it increased by 13% and 57% in the presence of 0.5 µm and 0.05 µm PS particles, respectively [103].…”

Section: Toxic Effects Of Microplastics On Marine Microalgaementioning

confidence: 99%

Current Progress on Marine Microplastics Pollution Research: A Review on Pollution Occurrence, Detection, and Environmental Effects

Liu

Wang

Zhu

et al. 2021

Water

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Recently, microplastics pollution has attracted much attention in the environmental field, as researchers have found traces of microplastics in both marine and terrestrial ecological environments. Here, we reviewed and discussed the current progress on microplastics pollution in the marine environment from three main aspects including their identification and qualification methods, source and distribution, and fate and toxicity in a marine ecosystem. Microplastics in the marine environment originate from a variety of sources and distribute broadly all around the world, but their quantitative information is still lacking. Up to now, there have been no adequate and standard methods to identify and quantify the various types of microplastics, which need to be developed and unified. The fate of microplastics in the environment is particularly important as they may be transferred or accumulated in the biological chain. Meanwhile, microplastics may have a high adsorption capacity to pollutants, which is the basic research to further study their fate and joint toxicity in the environment. Therefore, all the findings are expected to fill the knowledge gaps in microplastics pollution and promote the development of relative regulations.

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The combined toxicity influence of microplastics and nonylphenol on microalgae Chlorella pyrenoidosa

Cited by 193 publications

References 63 publications

Biomass and Bio-butanol Production from Borodinellopsis texensis CCALA 892 in Synthetic Wastewater: Determination of Biochemical Composition

Biomass and Bio-butanol Production from Borodinellopsis texensis CCALA 892 in Synthetic Wastewater: Determination of Biochemical Composition

Microplastics and freshwater microalgae: what do we know so far?

Current Progress on Marine Microplastics Pollution Research: A Review on Pollution Occurrence, Detection, and Environmental Effects

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