Bacterial diversity evolution process based on physicochemical characteristics of sludge treating hydroquinone during acclimation

Zhang, Xinyu; Linghu, Shanshan; Chen, Zhichong; Gu, Hao; Chen, Xiurong; Xiao, Weiping; Hu, Xueyang; Yang, Yingying; Gao, Yuqing

doi:10.1007/s11356-021-17325-5

Cited by 2 publications

(8 citation statements)

References 37 publications

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“…All other changes in the metabolic profile of the microbial community are not significant at any of the concentrations tested. This would be consistent with studies showing that functional genes for carbohydrate metabolism and energy metabolism were maintained at a high level following HQ exposure [ 32 ].…”

Section: Resultssupporting

confidence: 92%

“…[ 77 ] observed that concentrations of HQ at 100 mg/L (the highest tested in this study) in wastewater treatment plants resulted in the establishment of a stable community dominated by the same taxa we have identified in our samples ( Cyanobacteria , Proteobacteria , and Bacteroidetes ). These taxa showed minimal variation in their relative abundance compared to the control [ 32 ]. Specifically, the abundance of Cyanobacteria remained largely unaffected, Bacteroidetes showed a slight increase, and Proteobacteria exhibited a minor decrease in this study.…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, although initially, the microbial flora was stressed by the influent HQ, which may even trigger the secretion of secondary metabolites that increase toxicity [ 32 , 33 ] the microbial community, after a succession of biological communities, gradually forms a dominant flora capable of degrading or tolerating HQ. As a result, the metabolic capacity of the microbial community remains stable, and it is foreseeable that the impact of HQ on rivers will be minimal.…”

Section: Resultsmentioning

confidence: 99%

“…Few studies have examined HQ’s impact on entire environmental communities. Some focus on its effects on microbial communities in wastewater treatment plants [ 32 , 33 , 34 , 35 ], however little is known about its ecotoxicity in river or edaphic microbial communities.…”

Section: Introductionmentioning

confidence: 99%

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Hydroquinone Ecotoxicity: Unveiling Risks in Soil and River Ecosystems with Insights into Microbial Resilience

Valenzuela,

Ballestero,

Gan

et al. 2024

Toxics

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Despite widespread industrial use, the environmental safety of hydroquinone (HQ), a benzene compound from plants used in processes like cosmetics, remains uncertain. This study evaluated the ecotoxicological impact of HQ on soil and river environments, utilizing non-target indicator organisms from diverse trophic levels: Daphnia magna, Aliivibrio fischeri, Allium cepa, and Eisenia fetida. For a more environmentally realistic assessment, microbial communities from a river and untreated soil underwent 16S rRNA gene sequencing, with growth and changes in community-level physiological profiling assessed using Biolog EcoPlate™ assays. The water indicator D. magna exhibited the highest sensitivity to HQ (EC50 = 0.142 µg/mL), followed by A. fischeri (EC50 = 1.446 µg/mL), and A. cepa (LC50 = 7.631 µg/mL), while E. fetida showed the highest resistance (EC50 = 234 mg/Kg). Remarkably, microbial communities mitigated HQ impact in both aquatic and terrestrial environments. River microorganisms displayed minimal inhibition, except for a significant reduction in polymer metabolism at the highest concentration (100 µg/mL). Soil communities demonstrated resilience up to 100 µg/mL, beyond which there was a significant decrease in population growth and the capacity to metabolize carbohydrates and polymers. Despite microbial mitigation, HQ remains highly toxic to various trophic levels, emphasizing the necessity for environmental regulations.

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Section: Resultssupporting

confidence: 92%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Hydroquinone Ecotoxicity: Unveiling Risks in Soil and River Ecosystems with Insights into Microbial Resilience

Valenzuela,

Ballestero,

Gan

et al. 2024

Toxics

View full text Add to dashboard Cite

show abstract

“…There are practically no studies on the impact of HQ on entire environmental communities, although some studies on its effect on microbial communities in wastewater treatment plants can be found [27][28][29][30]. Nothing is known about the ecotoxicity of this compound in river or edaphic microbial communities.…”

Section: Introductionmentioning

confidence: 99%

Hydroquinone Ecotoxicity: Unveiling Risks in Soil and River Ecosystems with Insights into Microbial Resilience

Valenzuela,

Ballestero,

Gan

et al. 2023

Preprint

View full text Add to dashboard Cite

Despite widespread industrial use, the environmental safety of Hydroquinone (HQ), a benzene compound from plants used in processes like cosmetics, remains uncertain. This study evaluated the ecotoxicological impact of HQ on soil and river environments, utilizing non-target indicator organisms from diverse trophic levels: Daphnia magna, Vibrio fischeri, Allium cepa, and Eisenia fetida. For a more environmentally realistic assessment, microbial communities from a river and un-treated soil underwent 16S rRNA gene sequencing, with growth and changes in community-level physiological profiling assessed using Biolog EcoPlate™ assays. The water indicator D. magna exhibited the highest sensitivity to HQ (EC50 = 0.142 µg/mL), followed by V. fischeri (EC50 = 1.446 µg/mL), and A. cepa (LC50 = 7.631 µg/mL), while E. fetida showed the highest resistance (EC50 = 234 mg/Kg). Remarkably, microbial communities mitigated HQ impact in both aquatic and terrestrial environments. River microorganisms displayed minimal inhibition, except for a significant re-duction in polymer metabolism at the highest concentration (100 µg/mL). Soil communities demonstrated resilience up to 100 µg/mL, beyond which there was a significant decrease in population growth and the capacity to metabolize carbohydrates and polymers. Despite microbial mitigation, HQ remains highly toxic to various trophic levels, emphasizing the necessity for en-vironmental regulations.

show abstract

Bacterial diversity evolution process based on physicochemical characteristics of sludge treating hydroquinone during acclimation

Cited by 2 publications

References 37 publications

Hydroquinone Ecotoxicity: Unveiling Risks in Soil and River Ecosystems with Insights into Microbial Resilience

Hydroquinone Ecotoxicity: Unveiling Risks in Soil and River Ecosystems with Insights into Microbial Resilience

Hydroquinone Ecotoxicity: Unveiling Risks in Soil and River Ecosystems with Insights into Microbial Resilience

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