CrAssphage as an indicator of human-fecal contamination in water environment and virus reduction in wastewater treatment

MA Sabar, R Honda, E Haramoto - Water Research, 2022 - Elsevier
Viral indicators of human-fecal contamination in wastewaters and environmental waters
have been getting much attention in the past decade. Cross-assembly phage (crAssphage) …

Microbial indicators of fecal pollution: recent progress and challenges in assessing water quality

DA Holcomb, JR Stewart - Current environmental health reports, 2020 - Springer
Abstract Purpose of Review Fecal contamination of water is a major public health concern.
This review summarizes recent developments and advancements in water quality indicators …

Intraday variability of indicator and pathogenic viruses in 1-h and 24-h composite wastewater samples: implications for wastewater-based epidemiology

W Ahmed, A Bivins, PM Bertsch, K Bibby… - Environmental …, 2021 - Elsevier
We monitored the concentration of indicator viruses crAssphage and pepper mild mottle
virus (PMMoV) and human pathogen adenovirus (HAdV) in influent from a wastewater …

Quantification of SARS-CoV-2 and cross-assembly phage (crAssphage) from wastewater to monitor coronavirus transmission within communities

H Green, M Wilder, M Collins, A Fenty, K Gentile… - MedRxiv, 2020 - medrxiv.org
Wastewater surveillance of SARS-CoV-2 has become an attractive tool for combating the
spread of COVID-19 by assessing the presence or levels of the virus shed in a population …

[HTML][HTML] Distribution of human fecal marker genes and their association with pathogenic viruses in untreated wastewater determined using quantitative PCR

W Ahmed, A Bivins, S Payyappat, M Cassidy… - Water research, 2022 - Elsevier
Quantitative microbial risk assessment (QMRA) of human health risks using human fecal
marker genes (HFMGs) is an useful water quality management tool. To inform accurate …

Biological indicators for fecal pollution detection and source tracking: A review

E Li, F Saleem, TA Edge, HE Schellhorn - Processes, 2021 - mdpi.com
Fecal pollution, commonly detected in untreated or less treated sewage, is associated with
health risks (eg, waterborne diseases and antibiotic resistance dissemination), ecological …

[HTML][HTML] Microbial source tracking of untreated human wastewater and animal scats in urbanized estuarine waters

W Ahmed, S Payyappat, M Cassidy, N Harrison… - Science of the Total …, 2023 - Elsevier
The study assessed the performance characteristics of host sensitivity, host specificity and
concentration for seven human wastewater-and six animal scat-associated marker genes by …

Selection of a diagnostic tool for microbial water quality monitoring and management of faecal contamination of water sources in rural communities

A Murei, I Kamika, MNB Momba - Science of the Total Environment, 2024 - Elsevier
The aim of the current study was to evaluate, validate and select microbial water quality
monitoring tools to establish their suitability and feasibility for use in rural communities. The …

Sewage-associated marker genes illustrate the impact of wet weather overflows and dry weather leakage in urban estuarine waters of Sydney, Australia

W Ahmed, S Payyappat, M Cassidy, N Harrison… - Science of the Total …, 2020 - Elsevier
This study investigates the impact of wet weather overflows (WWOs) at three estuarine
locations in Sydney, NSW, Australia. WWOs can occur when infiltration of stormwater leads …

Widespread human waste pollution in surface waters observed throughout the urbanized, coastal communities of Lee County, Florida, USA

KN Tyre, RA Brewton, LB Kreiger… - Science of The Total …, 2023 - Elsevier
The coastal communities of Lee County, Florida, USA have grown rapidly since the 1970s.
In this county, drainage ditches, canals, creeks, and the Caloosahatchee River Estuary often …