Response of anammox consortia to inhibition from high ferroferric oxide nanoparticles concentration and potential recovery mechanism

Zhang, Li; Yang, Lixia; Dong, Tingjun; Yang, Jiachun; Dou, Quanhao; Ni, Shou-Qing; Peng, Yongzhen

doi:10.1016/j.biortech.2024.130808

Bioresource Technology

2024

DOI: 10.1016/j.biortech.2024.130808

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Response of anammox consortia to inhibition from high ferroferric oxide nanoparticles concentration and potential recovery mechanism

Li Zhang,

Lixia Yang,

Tingjun Dong

et al.

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2024

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Cited by 3 publications

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Effects of nanoparticles on anaerobic, anammox, aerobic, and algal-bacterial granular sludge: A comprehensive review

Kedves,

Kónya

2024

Biofilm

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Effects of nanoparticles on anaerobic, anammox, aerobic, and algal-bacterial granular sludge: A comprehensive review

Kedves,

Kónya

2024

Biofilm

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Understanding Zerovalent Iron Exposure on Biological Nitrogen Removal: From Impacts to Potential Mechanisms

Liu,

Li,

Liu

et al. 2024

ACS EST Eng.

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Mechanisms underlying the low-temperature adaptation of 17β-estradiol-degrading bacterial strain Rhodococcus sp. RCBS9: insights from physiological and transcriptomic analyses

Li,

Pan,

Hao

et al. 2024

Front. Microbiol.

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The 17β-estradiol (E2)-degrading bacterium Rhodococcus sp.RCBS9 previously showed remarkable resistance to the combined stresses of low temperature and E2. In this study, physiological experiments and transcriptomic analysis were performed to investigate the mechanisms underlying the strain's low-temperature adaptation and briefly analyze how it maintains its ability to degrade E2 at low temperature. The results showed that the strain's signal transduction functions, adaptive changes in cell membrane and cell wall structure, gene repair functions, and synthesis of antioxidants and compatible solutes are key to its ability to adapt to low temperature. In addition, its stress proteins in response to low temperature were not typical cold shock proteins, but rather universal stress proteins (USPs) and heat shock proteins (HSPs), among others. The strain also upregulated biofilm production, transporter proteins for carbon source uptake, and proteins for fatty acid degradation to ensure energy generation. The strain's multiple stress responses work synergistically to resist low-temperature stress, ensuring its adaptability to low-temperature environments and ability to degrade E2. Finally, six genes related to survival at low temperature (identified in the transcriptome analysis) were expressed in E. coli BL21, and they were found to contribute to recombinant E. coli growth at low temperature.

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Response of anammox consortia to inhibition from high ferroferric oxide nanoparticles concentration and potential recovery mechanism

Cited by 3 publications

References 30 publications

Effects of nanoparticles on anaerobic, anammox, aerobic, and algal-bacterial granular sludge: A comprehensive review

Effects of nanoparticles on anaerobic, anammox, aerobic, and algal-bacterial granular sludge: A comprehensive review

Understanding Zerovalent Iron Exposure on Biological Nitrogen Removal: From Impacts to Potential Mechanisms

Mechanisms underlying the low-temperature adaptation of 17β-estradiol-degrading bacterial strain Rhodococcus sp. RCBS9: insights from physiological and transcriptomic analyses

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