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Antibiotics
Special Issues
Seafood and Antibiotics
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Seafood and Antibiotics

A special issue of Antibiotics (ISSN 2079-6382).

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 23276

Special Issue Editors

Dr. Olumide Odeyemi

E-Mail Website
Guest Editor
University of Tasmania, Launceston, Australia
Interests: antibiotic resistance; seafood; seafood spoilage; aquaculture; seafood safety and quality
Dr. Deyan Stratev

E-Mail Website
Guest Editor
Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria
Interests: antibiotic resistance; seafood; seafood safety and quality

Special Issue Information

Dear Colleagues,

Seafood plays a significant economic role globally. As the need for the consumption of healthy food continues to increase, seafood has become one of the primary sources of essential nutrients required for human growth.

Reported cases of the presence of antibiotics in seafood such as shrimp has also increased over the years. There is a need to understand the widespread use of antibiotics and the consequential prevalence of antibiotic-resistant bacteria in aquaculture, from farming to storage.

This Special Issue invites articles on seafood and antibiotics including (but not limited to) the following topics:

  • Antimicrobial resistance in seafood pathogens;
  • Antimicrobial resistance in seafood spoilage bacteria;
  • Antimicrobial resistance and the aquatic environment;
  • Antimicrobial resistance genes and resistome;
  • Antimicrobial resistance and seafood microbiota;
  • Uses of antibiotics in aquaculture.

Dr. Olumide Odeyemi
Dr. Deyan Stratev
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. Antibiotics 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 2900 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

  • Seafood
  • aquaculture
  • antibiotic resistance
  • antibiotics
  • aquatic environment

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Published Papers (6 papers)

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Research

10 pages, 715 KiB  
Article
Antibiotic and Heavy Metal Susceptibility of Non-Cholera Vibrio Isolated from Marine Sponges and Sea Urchins: Could They Pose a Potential Risk to Public Health?
by Wellington Felipe Costa, Marcia Giambiagi-deMarval and Marinella Silva Laport
Antibiotics 2021, 10(12), 1561; https://doi.org/10.3390/antibiotics10121561 - 20 Dec 2021
Cited by 6 | Viewed by 3356
Abstract
Vibrio is an important human and animal pathogen that can carry clinically relevant antibiotic resistance genes and is present in different aquatic environments. However, there is a knowledge gap between antibiotic and heavy metal resistance and virulence potential when it is part of [...] Read more.
Vibrio is an important human and animal pathogen that can carry clinically relevant antibiotic resistance genes and is present in different aquatic environments. However, there is a knowledge gap between antibiotic and heavy metal resistance and virulence potential when it is part of the microbiota from marine invertebrates. Here, we aimed to evaluate these characteristics and the occurrence of mobile genetic elements. Of 25 non-cholera Vibrio spp. from marine sponges and sea urchins collected at the coastlines of Brazil and France analyzed in this study, 16 (64%) were non-susceptible to antibiotics, and two (8%) were multidrug-resistant. Beta-lactam resistance (blaSHV) and virulence (vhh) genes were detected in sponge-associated isolates. The resistance gene for copper and silver (cusB) was detected in one sea urchin isolate. Plasmids were found in 11 (44%) of the isolates. This new information allows a better comprehension of antibiotic resistance in aquatic environments, since those invertebrates host resistant Vibrio spp. Thus, Vibrio associated with marine animals may pose a potential risk to public health due to carrying these antibiotic-resistant genes. Full article
(This article belongs to the Special Issue Seafood and Antibiotics)
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16 pages, 2263 KiB  
Article
Prevalence and Antibiogram of Vibrio parahaemolyticus and Aeromonas hydrophila in the Flesh of Nile Tilapia, with Special Reference to Their Virulence Genes Detected Using Multiplex PCR Technique
by Hanan A. Zaher, Mohamad I. Nofal, Basma M. Hendam, Moustafa M. Elshaer, Abdulaziz S. Alothaim and Mostafa M. Eraqi
Antibiotics 2021, 10(6), 654; https://doi.org/10.3390/antibiotics10060654 - 30 May 2021
Cited by 23 | Viewed by 4700
Abstract
Vibrio parahaemolyticus and Aeromonas hydrophila are major public health problems and the main cause of bacterial disease in Nile tilapia (Oreochromis niloticus). This study was conducted to determine the prevalence, antibiotic resistance and some virulence genes of both V. parahaemolyticus and [...] Read more.
Vibrio parahaemolyticus and Aeromonas hydrophila are major public health problems and the main cause of bacterial disease in Nile tilapia (Oreochromis niloticus). This study was conducted to determine the prevalence, antibiotic resistance and some virulence genes of both V. parahaemolyticus and A. hydrophila isolates from Nile tilapia. From Manzala Farm at Dakahlia governorate, 250 freshwater fish samples were collected. The confirmed bacterial isolates from the examined Nile tilapia samples in the study were 24.8% (62/250) for V. parahaemolyticus and 19.2% (48/250) for A. hydrophila. multiplex PCR, revealing that the tlh gene was found in 46.7% (29/62) of V. parahaemolyticus isolates, while the tdh and trh virulence genes were found in 17.2% (5/29). Meanwhile, 39.5% (19/48) of A. hydrophila isolates had the 16s rRNA gene and 10.5% (2/19) had the aerA and ahh1 virulence genes. The Multiple Antibiotic Resistance indices of V. parahaemolyticus and A. hydrophila were 0.587 and 0.586, respectively. In conclusion, alternative non-antibiotic control strategies for bacterial infections in farmed fish should be promoted to avoid multidrug-resistant bacteria. Therefore, it is suggested that farmers should be skilled in basic fish health control and that molecular detection methods are more rapid and cost-effective than bacteriological methods. Full article
(This article belongs to the Special Issue Seafood and Antibiotics)
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14 pages, 1420 KiB  
Article
Antibiotic-Resistant Bacteria in Clams—A Study on Mussels in the River Rhine
by Nicole Zacharias, Iris Löckener, Sarah M. Essert, Esther Sib, Gabriele Bierbaum, Thomas Kistemann and Christiane Schreiber
Antibiotics 2021, 10(5), 571; https://doi.org/10.3390/antibiotics10050571 - 12 May 2021
Cited by 4 | Viewed by 2958
Abstract
Bacterial infections have been treated effectively by antibiotics since the discovery of penicillin in 1928. A worldwide increase in the use of antibiotics led to the emergence of antibiotic resistant strains in almost all bacterial pathogens, which complicates the treatment of infectious diseases. [...] Read more.
Bacterial infections have been treated effectively by antibiotics since the discovery of penicillin in 1928. A worldwide increase in the use of antibiotics led to the emergence of antibiotic resistant strains in almost all bacterial pathogens, which complicates the treatment of infectious diseases. Antibiotic-resistant bacteria play an important role in increasing the risk associated with the usage of surface waters (e.g., irrigation, recreation) and the spread of the resistance genes. Many studies show that important pathogenic antibiotic-resistant bacteria can enter the environment by the discharge of sewage treatment plants and combined sewage overflow events. Mussels have successfully been used as bio-indicators of heavy metals, chemicals and parasites; they may also be efficient bio-indicators for viruses and bacteria. In this study an influence of the discharge of a sewage treatment plant could be shown in regard to the presence of E. coli in higher concentrations in the mussels downstream the treatment plant. Antibiotic-resistant bacteria, resistant against one or two classes of antibiotics and relevance for human health could be detected in the mussels at different sampling sites of the river Rhine. No multidrug-resistant bacteria could be isolated from the mussels, although they were found in samples of the surrounding water body. Full article
(This article belongs to the Special Issue Seafood and Antibiotics)
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11 pages, 538 KiB  
Article
Synbiotic Effects of Saccharomycescerevisiae, Mannan Oligosaccharides, and β-Glucan on Innate Immunity, Antioxidant Status, and Disease Resistance of Nile Tilapia, Oreochromis niloticus
by Gamal El-Nobi, Mohammed Hassanin, Alshimaa A. Khalil, Alaa Y. Mohammed, Shimaa A. Amer, Metwally M. Montaser and Mohamed E. El-sharnouby
Antibiotics 2021, 10(5), 567; https://doi.org/10.3390/antibiotics10050567 - 12 May 2021
Cited by 21 | Viewed by 3006
Abstract
Synbiotic (SYN) additives were assessed as an antibiotic alternative on the effects on the nonspecific immune response and disease resistance of O. niloticus to P. aeruginosa. Healthy fish (n = 120, average initial weight 18 ± 2 g) were allotted randomly into [...] Read more.
Synbiotic (SYN) additives were assessed as an antibiotic alternative on the effects on the nonspecific immune response and disease resistance of O. niloticus to P. aeruginosa. Healthy fish (n = 120, average initial weight 18 ± 2 g) were allotted randomly into four experimental groups (3 replicates for each); 1) a control group with no additives (CON), 2) basal diet complemented with 0.1 g kg–1 diets of norfloxacin, NFLX, 3) basal diet fortified with 1 mL kg–1 diet of SYN, and 4) basal diet complemented with a mixture of NFLX and SYN, which was carried out for eight weeks. Results showed a significant increase (p < 0.01) in the serum immune parameters (total protein, globulin and albumin, nitric oxide (NO), and lysozyme activity) in the SYN group and the NFLX+SYN group compared with the CON and NFLX groups. The serum glucose, cholesterol, and triglycerides were higher in NFLX and NFLX+SYN groups than the CON and SYN groups. The catalase (CAT), superoxide dismutase, glutathione peroxidase (GPX) activities were significantly augmented in the NFLX+SYN group, followed by the SYN group compared with CON and NFLX groups. The cumulative mortality rate (CMR) of O. niloticus following the P. aeruginosa challenge was decreased in the SYN group compared to other groups. The results emphasize that synbiotic could be used as a norfloxacin alternative to enhance the related immunological parameters, including antioxidant activity and disease resistance against P. aeruginosa infection of O. niloticus. Full article
(This article belongs to the Special Issue Seafood and Antibiotics)
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20 pages, 4781 KiB  
Article
First Experimental Evidence for the Presence of Potentially Toxic Vibrio cholerae in Snails, and Virulence, Cross-Resistance and Genetic Diversity of the Bacterium in 36 Species of Aquatic Food Animals
by Dailing Chen, Xiangyi Li, Ling Ni, Dingxiang Xu, Yingwei Xu, Yong Ding, Lu Xie and Lanming Chen
Antibiotics 2021, 10(4), 412; https://doi.org/10.3390/antibiotics10040412 - 9 Apr 2021
Cited by 11 | Viewed by 2618
Abstract
Vibrio cholerae is the most common waterborne pathogen that can cause pandemic cholera in humans. Continuous monitoring of V. cholerae contamination in aquatic products is crucial for assuring food safety. In this study, we determined the virulence, cross-resistance between antibiotics and heavy metals, [...] Read more.
Vibrio cholerae is the most common waterborne pathogen that can cause pandemic cholera in humans. Continuous monitoring of V. cholerae contamination in aquatic products is crucial for assuring food safety. In this study, we determined the virulence, cross-resistance between antibiotics and heavy metals, and genetic diversity of V. cholerae isolates from 36 species of aquatic food animals, nearly two-thirds of which have not been previously detected. None of the V. cholerae isolates (n = 203) harbored the cholera toxin genes ctxAB (0.0%). However, isolates carrying virulence genes tcpA (0.98%), ace (0.5%), and zot (0.5%) were discovered, which originated from the snail Cipangopaludina chinensis. High occurrences were observed for virulence-associated genes, including hapA (73.4%), rtxCABD (68.0–41.9%), tlh (54.2%), and hlyA (37.9%). Resistance to moxfloxacin (74.9%) was most predominant resistance among the isolates, followed by ampicillin (59.1%) and rifampicin (32.5%). Approximately 58.6% of the isolates displayed multidrug resistant phenotypes. Meanwhile, high percentages of the isolates tolerated the heavy metals Hg2+ (67.0%), Pb2+ (57.6%), and Zn2+ (57.6%). Distinct virulence and cross-resistance profiles were discovered among the V. cholerae isolates in 13 species of aquatic food animals. The ERIC-PCR-based genome fingerprinting of the 203 V. cholerae isolates revealed 170 ERIC-genotypes, which demonstrated considerable genomic variation among the isolates. Overall, the results of this study provide useful data to fill gaps for policy and research related to the risk assessment of V. cholerae contamination in aquatic products. Full article
(This article belongs to the Special Issue Seafood and Antibiotics)
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12 pages, 1387 KiB  
Communication
Characterization of a Novel Variant of the Quinolone-Resistance Gene qnrB (qnrB89) Carried by a Multi-Drug Resistant Citrobacter gillenii Strain Isolated from Farmed Salmon in Chile
by Christopher Concha, Claudio D. Miranda, Rodrigo Rojas, Felix A. Godoy and Jaime Romero
Antibiotics 2021, 10(3), 236; https://doi.org/10.3390/antibiotics10030236 - 26 Feb 2021
Cited by 4 | Viewed by 2589
Abstract
The main objective of this study was to characterize using whole-genome sequencing analysis, a new variant of the qnrB gene (qnrB89) carried by a fluoroquinolone-susceptible bacterium isolated from mucus of farmed Salmo salar fingerling in Chile. Citrobacter gillenii FP75 was identified [...] Read more.
The main objective of this study was to characterize using whole-genome sequencing analysis, a new variant of the qnrB gene (qnrB89) carried by a fluoroquinolone-susceptible bacterium isolated from mucus of farmed Salmo salar fingerling in Chile. Citrobacter gillenii FP75 was identified by using biochemical tests and 16S ribosomal gene analysis. Nucleotide and amino acid sequences of the qnrB89 gene exhibited an identity to qnrB of 81.24% and 91.59%, respectively. The genetic environment of qnrB89 was characterized by the upstream location of a sequence encoding for a protein containing a heavy metal-binding domain and a gene encoding for a N-acetylmuramoyl-L-alanine amidase protein, whereas downstream to qnrB89 gene were detected the csp and cspG genes, encoding cold-shock proteins. The qnrB89 gene was located on a large chromosomal contig of the FP75 genome and was not associated with the 10-kb plasmid and class 1 integron harbored by the FP75 strain. This study reports for the first time the carriage of a qnrB gene by the C. gillenii species, and its detection in a bacterial strain isolated from farmed salmon in Chile. Full article
(This article belongs to the Special Issue Seafood and Antibiotics)
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