Evidence map›Paper›PMID 36140855›Full record

ArticleFoods (Basel, Switzerland)2022

Multiple Antimicrobial Resistance and Heavy Metal Tolerance of Biofilm-Producing Bacteria Isolated from Dairy and Non-Dairy Food Products.

Hasan Ejaz, Kashaf Junaid, Humaira Yasmeen, Amina Naseer, Hafsa Alam, Sonia Younas, Muhammad Usman Qamar, Abualgasim E Abdalla, Khalid O A Abosalif, Naveed Ahmad and 1 more

Abstract read
In one paragraph

Article in Foods (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

  1. Engineering the gut microbiome with metal-resistant bacteria could protect Artemia nauplii from cadmium toxicity.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026
    Article
  2. Unraveling the resistance mechanism forMicrobiology spectrum · 2026
    Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Phytochemicals: potential alternative strategy to fightFrontiers in veterinary science · 2023
    Review
  8. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Hasan EjazDepartment of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia.ORCID 0000-0002-6185-2042
Kashaf JunaidDepartment of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia.ORCID 0000-0001-5328-4105
Humaira YasmeenDepartment of Microbiology and Molecular Genetics, The Women University, Multan 66000, Pakistan.ORCID 0000-0002-1021-5481
Amina NaseerDepartment of Microbiology and Molecular Genetics, The Women University, Multan 66000, Pakistan.
Hafsa AlamDepartment of Microbiology and Molecular Genetics, The Women University, Multan 66000, Pakistan.
Sonia YounasHKU-Pasteur Research Pole, School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China.
Muhammad Usman QamarDepartment of Microbiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.ORCID 0000-0002-2636-238X
Abualgasim E AbdallaDepartment of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia.ORCID 0000-0002-8680-8427
Khalid O A AbosalifDepartment of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia.
Naveed AhmadDepartment of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia.ORCID 0000-0003-2312-3137
Syed Nasir Abbas BukhariDepartment of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72388, Saudi Arabia.ORCID 0000-0001-8125-7972

Funding

Deanship of Scientific Research at Jouf University DSR2022-RG-0154
6 · The paper itself

Abstract

Foodborne pathogens have acquired the ability to produce biofilms to survive in hostile environments. This study evaluated biofilm formation, antimicrobial resistance (AMR), and heavy metal tolerance of bacteria isolated from dairy and non-dairy food products. We aseptically collected and processed 200 dairy and non-dairy food specimens in peptone broth, incubated them overnight at 37 °C, and sub-cultured them on various culture media. Bacterial growth was identified with biochemical tests and API 20E and 20NE strips. The AMR of the isolates was observed against different antibacterial drug classes. Biofilm formation was detected with the crystal violet tube method. Heavy metal salts were used at concentrations of 250−1500 µg/100 mL to observe heavy metal tolerance. We isolated 180 (50.4%) bacteria from dairy and 177 (49.6%) from non-dairy food samples. The average colony-forming unit (CFU) count for dairy and non-dairy samples was 2.9 ± 0.9 log CFU/mL and 5.1 ± 0.3 log CFU/mL, respectively. Corynebacterium kutscheri (n = 74), lactobacilli (n = 73), and Staphylococcus aureus (n = 56) were the predominant Gram-positive and Shigella (n = 10) the predominant Gram-negative bacteria isolated. The correlation between biofilm formation and AMR was significant (p < 0.05) for most cephalosporins, aminoglycosides, and fluoroquinolones. Heavy metal tolerance tended to be higher in biofilm producers at different metal concentrations. The pathogens isolated from dairy and non-dairy food showed a high burden of AMR, high propensity for biofilm formation, and heavy metal tolerance, and pose an imminent threat to public health.

Indexed as

antimicrobial resistancebiofilmdairyfood contaminantsheavy metalsnon-dairy

Identifiers

PMID36140855
PMCPMC9497630

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.