Naresh Singhal

Redox oscillation frequency reshapes antibiotic resistance-gene expression through metabolic and ecological selection in a freshwater community

The paper shows that redox oscillation frequency increases antibiotic resistance gene expression in a freshwater microbial community through metabolic and ecological selection, without altering resistance gene sequences.

Decoding the Redox-Driven Fate of Organic Micropollutants through Microbial Co-metabolic and ROS-Mediated Degradation in Wastewater

The paper shows redox cycling enhances organic micropollutant removal by restructuring microbial metabolism and degradation pathways through co-metabolic and ROS-driven mechanisms.

Linking Oxygen-Induced Oxidative Stress to Resource Recovery by Enhancing the Production of Extracellular Polymeric Substances in Activated Sludge Microbial Communities

This study enhances EPS production in activated sludge by manipulating oxygen exposure to increase oxidative stress, resulting in a 90.5% higher EPS yield.

Regulating oxygen avaibility mitigates oxidative stresses-induced antibiotic resistance gene expression in E. coli under climate warming

This study shows that regulating oxygen availability reduces antibiotic resistance gene expression in E. coli under warming by altering metabolic and oxidative stress responses.

Heat-tolerant network hub species make freshwater microbial communities resilient to climate warming

The paper identifies heat-tolerant microbial hub species in the Yellow River that enhance community resilience to warming by increasing in abundance and forming collaborative networks.

ROS-Induced Stress Promotes Enrichment and Emergence of Antibiotic Resistance in Conventional Activated Sludge Processes

The paper shows that ROS-induced stress in activated sludge processes enriches and promotes the emergence of antibiotic resistance genes, with beta-lactamases and efflux pumps being major contributors.

Microbial Metabolic Enzymes, Pathways and Microbial Hosts for Co-Metabolic Degradation of Organic Micropollutants in Wastewater

The paper identifies microbial enzymes, pathways, and hosts involved in co-metabolic degradation of 24 organic micropollutants in wastewater using multi-omics and functional group analysis.

Resource Recovery from Wastewater By Directing Microbial Metabolism Toward Production of Value-added Biochemicals

The paper tests if fluctuating oxygen levels in wastewater treatment can boost production of valuable biochemicals by altering microbial metabolism.

Microbial Degradation of Contaminants of Emerging Concern by Pseudomonas putida in Wastewater Treatment Plants

This study shows Pseudomonas putida KT2440 can degrade several CECs in lab-scale reactors, with enzyme expression profiles linked to degradation via proteomics and LC-MS/MS.

Enhancing NosZ Activity to Reduce N2O Emissions from Biological Wastewater Treatment Systems

This study shows that strategic oxygen manipulation enhances NosZ activity, reducing N2O emissions by 71% in wastewater treatment systems.

Assessing Oxygen Perturbation and Over-Aeration Impacts on Soluble Microbial Products (SMP) Production and Release in Activated Sludge Systems

This study examines how different oxygen conditions affect microbial activity and SMP production in activated sludge systems, showing increased amino acid accumulation and protein release under oxygen perturbation.

Investigating Potential Microbial Contributors to Enhanced Metabolite Production under Oxygen Perturbations: An Integrated Metagenomic and Metabolomic Approach

The paper investigates how oxygen perturbations affect microbial communities and metabolite production, identifying key species and pathways involved in amino acid biosynthesis.

Short-Term Warming Induces Cyanobacterial Blooms and Antibiotic Resistance in a Freshwater Lake as Revealed by Metagenomics Analysis

This study shows that short-term warming increases cyanobacterial blooms and antibiotic resistance in freshwater ecosystems through metagenomic analysis.