World's Best Scientists 2026 revealed!
Malcolm R. Sears

Malcolm R. Sears

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Microbiology
Canada
2026

D-Index & Metrics

Microbiology

D-Index
100
Citations
38032
World Ranking
404
National Ranking
9

Medicine

D-Index
110
Citations
51688
World Ranking
5493
National Ranking
214

Research.com Recognitions

  • 2026 - Research.com Microbiology in Canada Leader Award
  • 2025 - Research.com Microbiology in Canada Leader Award
  • 2023 - Research.com Microbiology in Canada Leader Award
  • 2022 - Research.com Microbiology in Canada Leader Award

Overview

Malcolm R. Sears is affiliated with McMaster University in Canada. Their research primarily focuses on Medicine, with a substantial number of publications in various subfields including Physiology, Molecular Biology, Pulmonary and Respiratory Medicine, Health, Toxicology and Mutagenesis, and Nutrition and Dietetics.

The major topics addressed in Sears' work encompass gut microbiota and health, asthma and respiratory diseases, neonatal respiratory health research, pediatric health and respiratory diseases, infant nutrition and health, breastfeeding practices and influences, and air quality and health impacts.

Among recent publications, notable papers include the following:

  • Breastmilk Feeding Practices Are Associated with the Co-Occurrence of Bacteria in Mothers' Milk and the Infant Gut: the CHILD Cohort Study (2020), published in Cell Host & Microbe
  • Decreasing antibiotic use, the gut microbiota, and asthma incidence in children: evidence from population-based and prospective cohort studies (2020), published in The Lancet Respiratory Medicine
  • Bacteroides-dominant gut microbiome of late infancy is associated with enhanced neurodevelopment (2021), published in Gut Microbes
  • Maternal consumption of artificially sweetened beverages during pregnancy is associated with infant gut microbiota and metabolic modifications and increased infant body mass index (2020), published in Gut Microbes
  • Composition and Associations of the Infant Gut Fungal Microbiota with Environmental Factors and Childhood Allergic Outcomes (2021), published in mBio

Sears collaborates frequently with several co-authors, including Piush J. Mandhane, Theo J. Moraes, Padmaja Subbarao, Stuart E. Turvey, and Allan B. Becker, each contributing to numerous joint publications.

Key venues that frequently publish Sears' work include:

  • Journal of Allergy and Clinical Immunology
  • Pediatric Allergy and Immunology
  • Gut Microbes
  • bioRxiv (Cold Spring Harbor Laboratory)
  • ISEE Conference Abstracts

Best Publications

  • A gradient of childhood self-control predicts health, wealth, and public safety

    Terrie E. Moffitt;Louise Arseneault;Daniel Belsky;Nigel Dickson

  • Early infancy microbial and metabolic alterations affect risk of childhood asthma

    Marie-Claire Arrieta;Leah T. Stiemsma;Pedro A. Dimitriu;Lisa Thorson

  • An official American Thoracic Society/European Respiratory Society statement: asthma control and exacerbations: standardizing endpoints for clinical asthma trials and clinical practice.

    Helen K. Reddel;D. Robin Taylor;Eric D. Bateman;Louis-Philippe Boulet

  • A longitudinal, population-based, cohort study of childhood asthma followed to adulthood

    Malcolm R. Sears;Justina M. Greene;Andrew R. Willan;Elizabeth M. Wiecek

  • Association between children's experience of socioeconomic disadvantage and adult health: A life-course study.

    Richie Poulton;Avshalom Caspi;Avshalom Caspi;Barry J Milne;W Murray Thomson

  • Regular inhaled beta-agonist treatment in bronchial asthma

    M R Sears;D R Taylor;C G Print;D C Lake

  • Female and male antisocial trajectories: From childhood origins to adult outcomes

    Candice L Odgers;Terrie E Moffitt;Jonathan M Broadbent;Nigel Dickson

  • Gut microbiota of healthy Canadian infants: profiles by mode of delivery and infant diet at 4 months

    Meghan B. Azad;Theodore Konya;Heather Maughan;David S. Guttman

  • Relation between airway responsiveness and serum IgE in children with asthma and in apparently normal children.

    M R Sears;B Burrows;E M Flannery;G P Herbison

  • Long-term relation between breastfeeding and development of atopy and asthma in children and young adults: a longitudinal study

    Malcolm R Sears;Justina M Greene;Andrew R Willan;D Robin Taylor

  • Asthma: epidemiology, etiology and risk factors.

    Padmaja Subbarao;Piush J. Mandhane;Malcolm R. Sears

  • The relative risks of sensitivity to grass pollen, house dust mite and cat dander in the development of childhood asthma

    M. R. Sears;G. P. Herbison;M. D. Holdaway;C. J. Hewitt

  • A new perspective on concepts of asthma severity and control

    D. R. Taylor;E. D. Bateman;L.-P. Boulet;H. A. Boushey

  • Prediction of differential adult health burden by conduct problem subtypes in males.

    Candice L. Odgers;Avshalom Caspi;Jonathan M. Broadbent;Nigel Dickson

  • Induced Sputum Cell Counts in Healthy Adults

    Jose Belda;Richard Leigh;Krishnan Parameswaran;Paul M. O'byrne

  • Composition and Variation of the Human Milk Microbiota Are Influenced by Maternal and Early-Life Factors

    Shirin Moossavi;Shadi Sepehri;Bianca Robertson;Lars Bode

  • Infant gut microbiota and food sensitization: associations in the first year of life.

    M. B. Azad;T. Konya;D. S. Guttman;C. J. Field

  • The September epidemic of asthma exacerbations in children: A search for etiology

    Neil W. Johnston;Sebastian L. Johnston;Joanne M. Duncan;Justina M. Greene

  • Epidemiology of childhood asthma

    Malcolm R Sears

  • Overall asthma control: The relationship between current control and future risk

    Eric D. Bateman;Helen K. Reddel;Göran Eriksson;Göran Eriksson;Stefan Peterson

Frequent Co-Authors

Allan B. Becker
Allan B. Becker University of Manitoba
Stuart E. Turvey
Stuart E. Turvey University of British Columbia
Anita L. Kozyrskyj
Anita L. Kozyrskyj University of Alberta
Richie Poulton
Richie Poulton University of Otago
Catherine J. Field
Catherine J. Field University of Alberta
David S. Guttman
David S. Guttman University of Toronto
Jeffrey R. Brook
Jeffrey R. Brook University of Toronto
Paul M. O'Byrne
Paul M. O'Byrne McMaster University
Sonia S. Anand
Sonia S. Anand McMaster University
Terrie E. Moffitt
Terrie E. Moffitt Duke University

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