Author
Hanpeng Liao
Bio: Hanpeng Liao is an academic researcher from Fujian Agriculture and Forestry University. The author has contributed to research in topics: Compost & Medicine. The author has an hindex of 11, co-authored 29 publications receiving 584 citations.
Topics: Compost, Medicine, Fermentation, Biology, Bacteria
Papers
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TL;DR: It is suggested that hyperthermophilic composting can significantly enhance the removal of ARGs and MGEs and that the mechanisms of ARG and M GE removal can depend on composting temperature.
Abstract: Composting is an efficient way to convert organic waste into fertilizers. However, waste materials often contain large amounts of antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs) that can reduce the efficacy of antibiotic treatments when transmitted to humans. Because conventional composting often fails to remove these compounds, we evaluated if hyperthermophilic composting with elevated temperature is more efficient at removing ARGs and MGEs and explored the underlying mechanisms of ARG removal of the two composting methods. We found that hyperthermophilic composting removed ARGs and MGEs more efficiently than conventional composting (89% and 49%, respectively). Furthermore, the half-lives of ARGs and MGEs were lower in hyperthermophilic compositing compared to conventional composting (67% and 58%, respectively). More-efficient removal of ARGs and MGEs was associated with a higher reduction in bacterial abundance and diversity of potential ARG hosts. Partial least-squares path modeling suggested that reduction of MGEs played a key role in ARG removal in hyperthermophilic composting, while ARG reduction was mainly driven by changes in bacterial community composition under conventional composting. Together these results suggest that hyperthermophilic composting can significantly enhance the removal of ARGs and MGEs and that the mechanisms of ARG and MGE removal can depend on composting temperature.
290 citations
TL;DR: Results reveal the critical role of hyperthermophilic bacteria in MPs biodegradation during hTC, highlighting a promising strategy for sludge-based MPs removal from the real environment.
163 citations
TL;DR: It is found that HTC running at the hyperthermophilic and thermophilic phases for 21 days, led to higher composting efficiency and techno-economic advantages over TC, and provided theoretical and practical guidance for managing sewage sludge by HTC.
132 citations
TL;DR: Redundancy analysis enabled the relationship between spectral indices and composting parameters to be explained, demonstrating that these indices can be used for assessing the degree of humification.
106 citations
TL;DR: It is suggested that traditional composting is not efficient at removing ARGs and MGEs from FW and more effective composting strategies are thus needed to minimize ARG release from composted FW into agricultural environments.
96 citations
Cited by
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TL;DR: In this article, a new method for metagenomic biomarker discovery by way of class comparison, tests of biological consistency and effect size estimation is described and validated, which addresses the challenge of finding organisms, genes, or pathways that consistently explain the differences between two or more microbial communities.
Abstract: This study describes and validates a new method for metagenomic biomarker discovery by way of class comparison, tests of biological consistency and effect size estimation. This addresses the challenge of finding organisms, genes, or pathways that consistently explain the differences between two or more microbial communities, which is a central problem to the study of metagenomics. We extensively validate our method on several microbiomes and a convenient online interface for the method is provided at http://huttenhower.sph.harvard.edu/lefse/.
3,060 citations
TL;DR: Additional researches are needed, gathering chemical, microbiological and toxicological data to better understand the implied removal mechanisms, the interactions between both components and the environmental matrices and how composting process could be optimized to reduce the discharge of antibiotics and antibiotic resistance genes into the environment.
252 citations
TL;DR: Results reveal the critical role of hyperthermophilic bacteria in MPs biodegradation during hTC, highlighting a promising strategy for sludge-based MPs removal from the real environment.
163 citations
TL;DR: In this article, the authors summarized the sources of microplastics, including refuse in landfills, biowastes, plastic films, and wastewater discharge, and investigated the various weathering processes of diverse MPs under natural field conditions in soils, sediments, and aquatic environments, to understand the impact of weathered MPs in the environment.
162 citations
TL;DR: In this article, a review article summarizes different aging processes of microplastics and subsequent effects on the adsorption of pollutants, the leaching of additives, and the toxicity of MPs.
141 citations