World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
78
Citations
20710
World Ranking
1295
National Ranking
39

Overview

What is he best known for?

The fields of study he is best known for:

  • Bacteria
  • Ecology
  • Gene

Antibiotic resistance, Bacteria, Microbiology, Manure and Agronomy are his primary areas of study. Edward Topp has researched Antibiotic resistance in several fields, including Biotechnology and Drug resistance. His Bacteria study incorporates themes from Atrazine, Strain and Metabolism.

His Microbiology research incorporates themes from 16S ribosomal RNA, Salmonella and Escherichia coli. The study incorporates disciplines such as Veterinary medicine and Soil water in addition to Manure. His studies in Agronomy integrate themes in fields like Biosolids, Agriculture, Sludge and Soil microbiology.

His most cited work include:

  • Pharmaceuticals and personal care products in the environment: what are the big questions? (712 citations)
  • Management Options for Reducing the Release of Antibiotics and Antibiotic Resistance Genes to the Environment (427 citations)
  • Human Health Risk Assessment (HHRA) for environmental development and transfer of antibiotic resistance. (325 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Microbiology, Antibiotic resistance, Manure, Bacteria and Soil water. Edward Topp interconnects Veterinary medicine, Virulence and Escherichia coli in the investigation of issues within Microbiology. His research integrates issues of Biotechnology, Antimicrobial and Soil microbiology in his study of Antibiotic resistance.

His Manure study results in a more complete grasp of Agronomy. The various areas that Edward Topp examines in his Bacteria study include Plasmid and Biochemistry. His biological study spans a wide range of topics, including Environmental chemistry and Biosolids.

He most often published in these fields:

  • Microbiology (31.10%)
  • Antibiotic resistance (32.27%)
  • Manure (20.93%)

What were the highlights of his more recent work (between 2016-2021)?

  • Antibiotic resistance (32.27%)
  • Antibiotics (16.57%)
  • Bacteria (21.80%)

In recent papers he was focusing on the following fields of study:

Edward Topp mainly investigates Antibiotic resistance, Antibiotics, Bacteria, Microbiology and Manure. His Antibiotic resistance research is multidisciplinary, incorporating perspectives in Sludge, Agriculture, Pathogenic bacteria, Cefotaxime and Sewage treatment. His Antibiotics research incorporates elements of Veterinary medicine, Biotechnology and Soil microbiology.

His work deals with themes such as Plasmid and Antimicrobial, which intersect with Bacteria. His Microbiology study combines topics from a wide range of disciplines, such as Escherichia coli, Multiplex polymerase chain reaction and Virulence. His study on Manure is covered under Agronomy.

Between 2016 and 2021, his most popular works were:

  • Critical knowledge gaps and research needs related to the environmental dimensions of antibiotic resistance. (122 citations)
  • Impact of dairy manure pre-application treatment on manure composition, soil dynamics of antibiotic resistance genes, and abundance of antibiotic-resistance genes on vegetables at harvest. (82 citations)
  • Impact of dairy manure pre-application treatment on manure composition, soil dynamics of antibiotic resistance genes, and abundance of antibiotic-resistance genes on vegetables at harvest. (82 citations)

In his most recent research, the most cited papers focused on:

  • Bacteria
  • Ecology
  • Gene

Edward Topp spends much of his time researching Antibiotic resistance, Antibiotics, Agronomy, Bacteria and Biosolids. His Antibiotic resistance research includes themes of Pathogenic bacteria, Risk analysis and Environmental planning. His Antibiotics research is multidisciplinary, incorporating elements of Agriculture, Biotechnology, Pharmaceutical manufacturing and Soil microbiology.

Edward Topp studied Agronomy and Soil water that intersect with Food waste. His Biosolids study combines topics from a wide range of disciplines, such as Sludge, Polybrominated diphenyl ethers, Crop and Groundwater. His studies in Crop integrate themes in fields like Growing season, Lystek, Horticulture, Environmental chemistry and Tile drainage.

Best Publications

  • Management Options for Reducing the Release of Antibiotics and Antibiotic Resistance Genes to the Environment

    Amy Pruden;D.G. Joakim Larsson;Alejandro Amézquita;Peter Collignon

  • The Scourge of Antibiotic Resistance: The Important Role of the Environment

    Rita L. Finley;Peter Collignon;D. G. Joakim Larsson;Scott A. McEwen

  • An omics-based framework for assessing the health risk of antimicrobial resistance genes

    An-Ni Zhang;An-Ni Zhang;Jeffry M. Gaston;Chengzhen L. Dai;Shijie Zhao

  • Human Health Risk Assessment (HHRA) for environmental development and transfer of antibiotic resistance.

    Nicholas J. Ashbolt;Alejandro Amézquita;Thomas Backhaus;Peter Borriello

  • Impact of manure fertilization on the abundance of antibiotic-resistant bacteria and frequency of detection of antibiotic resistance genes in soil and on vegetables at harvest.

    Romain Marti;Andrew Scott;Yuan Ching Tien;Roger Murray

  • Pharmaceuticals in the environment: biodegradation and effects on natural microbial communities. A review.

    Anna Barra Caracciolo;Edward Topp;Paola Grenni

  • Seasonal relationships among indicator bacteria, pathogenic bacteria, Cryptosporidium oocysts, Giardia cysts, and hydrological indices for surface waters within an agricultural landscape.

    Graham Wilkes;Thomas Edge;Victor Gannon;Cassandra Jokinen

  • Critical knowledge gaps and research needs related to the environmental dimensions of antibiotic resistance.

    D. G.Joakim Larsson;Antoine Andremont;Johan Bengtsson-Palme;Kristian Koefoed Brandt

  • Ecotoxicological assessment of antibiotics: A call for improved consideration of microorganisms.

    Kristian K. Brandt;Alejandro Amézquita;Thomas Backhaus;Alistair B. Boxall

  • Characterization of S-Triazine Herbicide Metabolism by a Nocardioides sp. Isolated from Agricultural Soils

    Edward Topp;Walter M. Mulbry;Hong Zhu;Sarah M. Nour

  • Role played by the environment in the emergence and spread of antimicrobial resistance (AMR) through the food chain

    Konstantinos Koutsoumanis;Ana Allende;Avelino Álvarez-Ordóñez

  • Impact of Feed Supplementation with Antimicrobial Agents on Growth Performance of Broiler Chickens, Clostridium perfringens and Enterococcus Counts, and Antibiotic Resistance Phenotypes and Distribution of Antimicrobial Resistance Determinants in Escherichia coli Isolates

    Moussa S. Diarra;Fred G. Silversides;Fatoumata Diarrassouba;Jane Pritchard

  • Evaluation of denaturing gradient gel electrophoresis in the detection of 16S rDNA sequence variation in rhizobia and methanotrophs

    Tatiana Vallaeys;Edward Topp;Gerard Muyzer;Valérie Macheret

  • Characterization of an atrazine-degrading Pseudaminobacter sp. isolated from Canadian and French agricultural soils.

    Edward Topp;Edward Topp;Hong Zhu;Sarah M. Nour;Sabine Houot

  • Metabolism of the herbicide atrazine by Rhodococcus strains

    Ram Behki;E. Topp;W. Dick;P. Germon

  • Dependence of accelerated degradation of atrazine on soil pH in French and Canadian soils

    Sabine Houot;Edward Topp;Abdellah Yassir;Guy Soulas

  • Environmental contamination in a high-income country (France) by antibiotics, antibiotic-resistant bacteria, and antibiotic resistance genes: Status and possible causes.

    Unknown

  • Impact of Fertilizing with Raw or Anaerobically Digested Sewage Sludge on the Abundance of Antibiotic-Resistant Coliforms, Antibiotic Resistance Genes, and Pathogenic Bacteria in Soil and on Vegetables at Harvest

    Teddie O. Rahube;Romain Marti;Andrew Scott;Yuan-Ching Tien

  • Impact of dairy manure pre-application treatment on manure composition, soil dynamics of antibiotic resistance genes, and abundance of antibiotic-resistance genes on vegetables at harvest.

    Yuan-Ching Tien;Bing Li;Tong Zhang;Andrew Scott

  • Evaluation of QIAamp DNA Stool Mini Kit for ecological studies of gut microbiota

    Mei Li;Jianhua Gong;Michael Cottrill;Hai Yu

  • Distribution and characteristics of Listeria monocytogenes isolates from surface waters of the South Nation River watershed, Ontario, Canada.

    Emilie Lyautey;Emilie Lyautey;David R. Lapen;Graham Wilkes;Katherine McCleary

  • Evaluation of molecular methods used for establishing the interactions and functions of microorganisms in anaerobic bioreactors.

    G. Talbot;E. Topp;M.F. Palin;D.I. Massé

Frequent Co-Authors

David R. Lapen
David R. Lapen Government of Canada
Thomas A. Edge
Thomas A. Edge Environment and Climate Change Canada
Tim A. McAllister
Tim A. McAllister Agriculture and Agriculture-Food Canada
Chris D. Metcalfe
Chris D. Metcalfe Trent University
Alistair B.A. Boxall
Alistair B.A. Boxall University of York
Trevor W. Alexander
Trevor W. Alexander Agriculture and Agriculture-Food Canada
Luke Masson
Luke Masson National Academies of Sciences, Engineering, and Medicine
D. G. Joakim Larsson
D. G. Joakim Larsson University of Gothenburg
Tong Zhang
Tong Zhang University of Hong Kong
John R. Lawrence
John R. Lawrence Environment and Climate Change Canada

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Related Online Degrees & Career Pathways

For students interested in microbiology, there are several related online degrees that offer flexible learning and diverse career opportunities. Exploring medical degrees online can be a great option for those looking to expand into healthcare fields that complement microbiology expertise, such as medical laboratory science or pathology.

Public health is another closely linked area. Many institutions offer accredited online mph programs easy to get into, making it accessible for microbiology graduates to pivot into epidemiology, health policy, or disease control roles without the need for relocation or rigid schedules.

Beyond traditional science roles, microbiology grads might consider unique career paths like becoming a child life specialist. This role requires understanding of medicine and psychology to support children in healthcare settings, showcasing how interdisciplinary skills can open unexpected doors.

Finally, for those facing barriers such as past convictions, there are resources highlighting some of the best associate degrees for felons. These programs provide valuable educational pathways that can lead to stable careers in science and healthcare, proving that opportunities exist for all backgrounds.

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