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7.4
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Journals
Microorganisms
Special Issues
Antimicrobial Resistance in Wildlife
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Antimicrobial Resistance in Wildlife

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Veterinary Microbiology".

Deadline for manuscript submissions: closed (30 September 2024) | Viewed by 3986

Special Issue Editors

Dr. Live L. Nesse

E-Mail Website
Guest Editor
Department of Research Food Safety and Animal Health, Norwegian Veterinary Institute, P.O. Box 750 Sentrum, N-0106 Oslo, Norway
Interests: biofilm; antimicrobial resistance; food safety; one health
Special Issues, Collections and Topics in MDPI journals
Dr. Girum Tadesse Tessema

E-Mail Website
Guest Editor
Norwegian Veterinary Institute, Sentrum, Oslo, Norway
Interests: bacteriology; antimicrobial resistance; One Health

Special Issue Information

Dear Colleagues,

Antimicrobial resistance (AMR) is widely recognised as one of the major challenges facing society today, and it is now more important than ever to face this challenge with a One Health perspective. Wildlife can contribute to the emergence of AMR, as well as serve as AMR reservoirs and markers of AMR pollution. Furthermore, wildlife can act as vehicles of both local and long-distance AMR transmission, with the latter in particular being caused by migratory animals, birds, and sea living species.

We are therefore pleased to invite you to submit your research within this high priority area to this Special Issue, which aims to bring together and publish high-quality research on antimicrobial resistance related to wildlife. In this context, the term wildlife refers to all wild living species, both terrestrial and aquatic. Wild living plants may also be included. Original research articles, reviews, short reports, and comments are welcome. Research areas may include (but are not limited to) the following: the description of resistant microorganisms and resistance genes in wildlife, their emergence, dissemination, persistence, and prevalence. Studies identifying drivers and risk factors are also wanted. Furthermore, comparisons of resistant microorganisms and resistance genes from humans and domestic animals are of interest. Effect studies on preventive or intervention measures will also be considered.

We look forward to receiving your contributions. 

Dr. Live L. Nesse
Dr. Girum Tadesse Tessema
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antimicrobial resistance
  • wildlife
  • emergence, dissemination, persistence, and prevalence
  • drivers and risk factors
  • preventive or intervention measures

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Published Papers (2 papers)

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Research

19 pages, 1980 KiB  
Article
Antimicrobial Resistance in the Terrestrial Environment of Agricultural Landscapes in Norway
by Live L. Nesse, Kristin Forfang, Jannice Schau Slettemeås, Snorre Hagen, Marianne Sunde, Abdelhameed Elameen, Gro Johannessen, Marianne Stenrød, Girum Tadesse Tessema, Marit Almvik and Hans Geir Eiken
Microorganisms 2024, 12(9), 1854; https://doi.org/10.3390/microorganisms12091854 - 6 Sep 2024
Viewed by 1506
Abstract
The abundance and diversity of antimicrobial-resistant bacteria (ARB) and antimicrobial resistance genes (ARGs) in agricultural landscapes may be important for the spread of antimicrobial resistance (AMR) in the environment. The aim of this study was to apply screening methods for ARB and ARGs [...] Read more.
The abundance and diversity of antimicrobial-resistant bacteria (ARB) and antimicrobial resistance genes (ARGs) in agricultural landscapes may be important for the spread of antimicrobial resistance (AMR) in the environment. The aim of this study was to apply screening methods for ARB and ARGs to investigate the impact of farming on the prevalence of AMR in a country with low antibiotic usage. We have analyzed samples (n = 644) from soil and wild terrestrial animals and plants (slugs, snails, mice, shrews, earthworms, and red clover) collected over two years in agricultural fields accompanied by nearby control areas with low human activity. All samples were investigated for the occurrence of 35 different ARGs using high-throughput quantitative PCR (HT-qPCR) on a newly developed DNA array. In addition, samples from the first year (n = 415) were investigated with a culture-based approach combined with whole-genome sequencing (WGS) to identify antimicrobial-resistant E. coli (AREC). ARGs were detected in 59.5% of all samples (2019 + 2020). AREC, which was only investigated in the 2019 samples, was identified in 1.9% of these. Samples collected in the autumn showed more ARGs and AREC than spring samples, and this was more pronounced for organic fields than for conventional fields. Control areas with low human activity showed lower levels of ARGs and a lack of AREC. The use of livestock manure was correlated with a higher level of ARG load than other farming practices. None of the soil samples contained antibiotics, and no association was found between AMR and the levels of metals or pesticides. High qualitative similarity between HT-qPCR and WGS, together with the positive controls to the validation of our 35 ARG assays, show that the microfluid DNA array may be an efficient screening tool on environmental samples. In conclusion, even in a country with a very low consumption of antimicrobials by production animals, our results support the hypothesis of these animals being a source of AREC and ARGs in agricultural environments, primarily through the use of manure. Full article
(This article belongs to the Special Issue Antimicrobial Resistance in Wildlife)
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14 pages, 3031 KiB  
Article
Prevalence of Antibiotic Resistance and Virulence Genes in Escherichia coli Carried by Migratory Birds on the Inner Mongolia Plateau of Northern China from 2018 to 2023
by Danhong Wang, Xue Ji, Bowen Jiang, Yue Yuan, Bing Liang, Shiwen Sun, Lingwei Zhu, Jun Liu, Xuejun Guo, Yuhe Yin and Yang Sun
Microorganisms 2024, 12(6), 1076; https://doi.org/10.3390/microorganisms12061076 - 26 May 2024
Cited by 3 | Viewed by 2000
Abstract
(1) Background: Antibiotic resistance in bacteria is an urgent global threat to public health. Migratory birds can acquire antibiotic-resistant and pathogenic bacteria from the environment or through contact with each other and spread them over long distances. The objectives of this study were [...] Read more.
(1) Background: Antibiotic resistance in bacteria is an urgent global threat to public health. Migratory birds can acquire antibiotic-resistant and pathogenic bacteria from the environment or through contact with each other and spread them over long distances. The objectives of this study were to explore the relationship between migratory birds and the transmission of drug-resistant pathogenic Escherichia coli. (2) Methods: Faeces and swab samples from migratory birds were collected for isolating E. coli on the Inner Mongolia Plateau of northern China from 2018 to 2023. The resistant phenotypes and spectra of isolates were determined using a BD Phoenix 100 System. Conjugation assays were performed on extended-spectrum β-lactamase (ESBL)-producing strains, and the genomes of multidrug-resistant (MDR) and ESBL-producing isolates were sequenced and analysed. (3) Results: Overall, 179 isolates were antibiotic-resistant, with 49.7% MDR and 14.0% ESBL. Plasmids were successfully transferred from 32% of ESBL-producing strains. Genome sequencing analysis of 91 MDR E. coli strains identified 57 acquired resistance genes of 13 classes, and extraintestinal pathogenic E. coli and avian pathogenic E. coli accounted for 26.4% and 9.9%, respectively. There were 52 serotypes and 54 sequence types (STs), including ST48 (4.4%), ST69 (4.4%), ST131 (2.2%) and ST10 (2.2%). The international high-risk clonal strains ST131 and ST10 primarily carried blaCTX-M-27 and blaTEM-176. (4) Conclusions: There is a high prevalence of multidrug-resistant virulent E. coli in migratory birds on the Inner Mongolian Plateau. This indicates a risk of intercontinental transmission from migratory birds to livestock and humans. Full article
(This article belongs to the Special Issue Antimicrobial Resistance in Wildlife)
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