Evidence map›Paper›PMID 33789637›Full record

ArticleBMC veterinary research2021

Antimicrobial and antibiofilm potentials of cinnamon oil and silver nanoparticles against Streptococcus agalactiae isolated from bovine mastitis: new avenues for countering resistance.

Norhan K Abd El-Aziz, Ahmed M Ammar, El-Sayed Y M El-Naenaeey, Hend M El Damaty, Asmaa A Elazazy, Ahmed A Hefny, Asmaa Shaker, Ibrahim E Eldesoukey

Open access · goldAbstract read
In one paragraph

Article in BMC veterinary research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
9.4field-weighted citation impact, top 1% of its field
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

28 citing papers in PubMed, 57 citations in OpenAlex.

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  8. Green Tea Extract (Antibiotics (Basel, Switzerland) · 2025
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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

8 authors at 3 institutions in 1 country.

Norhan K Abd El-AzizDepartment of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, 44511, Egypt. norhan_vet@hotmail.com.ORCID http://orcid.org/0000-0001-8309-9058
Ahmed M AmmarDepartment of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, 44511, Egypt.
El-Sayed Y M El-NaenaeeyDepartment of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, 44511, Egypt.
Hend M El DamatyDepartment of Animal Medicine, Infectious Diseases, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, Egypt.
Asmaa A ElazazyAbou Hamad Veterinary Organizations, Ministry of Agriculture, Abou Hamad, Sharkia, Egypt.
Ahmed A HefnyVeterinary Hospital, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, Egypt.
Asmaa ShakerDepartment of Microbiology, Veterinary Hospital, Faculty of Veterinary Medicine, University of Sadat City, Sadat City, Egypt.
Ibrahim E EldesoukeyDepartment of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt.
Zagazig University · EGKafrelsheikh University · EGUniversity of Sadat City · EG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundStreptococcus agalactiae (S. agalactiae) is a contagious pathogen of bovine mastitis. It has financial implications for the dairy cattle industry in certain areas of the world. Since antimicrobial resistance increases in dairy farms, natural antimicrobials from herbal origins and nanoparticles have been given more attention as an alternative therapy. Hence, this study reported the antimicrobial and antibiofilm potentials of cinnamon oil, silver nanoparticles (AgNPs), and their combination against multidrug-resistant (MDR) S. agalactiae recovered from clinical bovine mastitis in Egypt.

resultsOur findings revealed that 73% (146/200) of the examined milk samples collected from dairy cows with clinical mastitis were infected with Streptococci species. Of these, 9.59% (14/146) were identified as S. agalactiae and categorized as MDR. S. agalactiae isolates expressed four virulence genes (Hyl, cylE, scpB, and lmb) and demonstrated an ability to produce biofilms. Cinnamon oil showed high antimicrobial (MICs ≤0.063 μg /mL) and antibiofilm (MBIC

conclusionsThis is an in vitro preliminary approach that documented the antibiofilm potential of cinnamon oil and the inhibitory activity of cinnamon oil and its combination with AgNPs against MDR S. agalactiae recovered from clinical mastitis. Further in vivo studies should be carried out in animal models to provide evidence of concept for implementing these alternative candidates in the treatment of dairy farms infected by streptococcal mastitis in the future.

Indexed as

Metal NanoparticlesAnimalsAnti-Bacterial AgentsBiofilmsCattleCinnamomum zeylanicumEgyptFemaleMastitis, BovineMilkOils, VolatileSilverStreptococcal InfectionsStreptococcus agalactiaeVirulence FactorsAnti-Bacterial AgentsOils, VolatileSilverVirulence FactorsAntibiofilm potentialAntimicrobial activityCinnamon oilMastitisSilver nanoparticles

Identifiers

PMID33789637
PMCPMC8010958
OpenAlexW3145378911

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.