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Contaminants in Seafood: Prevention, Control, and Detection
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Special Issue "Contaminants in Seafood: Prevention, Control, and Detection"

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Quality and Safety".

Deadline for manuscript submissions: 20 August 2023 | Viewed by 3104

Special Issue Editor

Prof. Dr. Lanming Chen

E-Mail Website
Guest Editor
College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
Interests: food safety; microbiology; pathogenesis; host–pathogen interaction; biocontrol

Special Issue Information

Dear Colleagues,

Billions of people in the world are at risk of unsafe food. Many millions become sick while hundreds of thousand die annually due to the consumption of contaminated food. Seafood provides more than 4.5 billion people with at least 15% of their average per capita intake of animal protein. Nevertheless, along with the fast growth of human fisheries and aquaculture, the intensive coastal aquaculture and excessive use of additives and antibiotics have become new challenges to food safety, particularly in developing nations. The resulting substantial changes in coastal ecosystems consequently increase the risk of seafood-borne infectious diseases. On the other hand, rapid global urbanization and industrialization may lead to the increasing pollution of the oceans, into which substantial amounts of waste are discharged, including hazardous heavy metals, organic pollutants, plastics, and radioactive compounds. Due to their long-term persistence and non-degradable nature, their accumulation in humans through the seafood chain continues to pose substantial threats to marine ecosystems and human health. Therefore, confronting these challenges requires rigorous scientific research. Advances in this field are expected to impact the food production/testing industry, governments, and food consumers.

Original and review papers dealing with all aspects of “Contaminants in Seafood: Prevention, Control, and Detection” are welcome for inclusion in this Special Issue of Foods, MDPI. Research reports will focus on the following areas: development and/or improvement of rapid methods for the detection and/or identification of seafood-borne pathogenic and spoilage microorganisms, and chemical contaminants; new approaches and/or strategies for controlling seafood-borne pathogens and spoilages, and non-biological contaminants; and recent discoveries in resurgence, pathogenesis, determining and/or characterizing of seafood-borne pathogens.

Prof. Dr. Lanming Chen
Guest Editor

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. Foods is an international peer-reviewed open access semimonthly 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 2400 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-borne pathogens
  • seafood-borne spoilage microorganims
  • antibiotic residues
  • heavy metal residues
  • rapid detection techniques
  • eliminating and controlling of contaminants in seafood
  • resurgence and pathogenesis of seafood-borne pathogens

Published Papers (3 papers)

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Research

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Article
Detection of Clostridium botulinum in Some Egyptian Fish Products, Its Control In Vitro Using Citrus Leaves Extracts, and Applicability of Citrus limon Leaf Extract in Tuna
by
Gamal Hamad
,
Elsayed E. Hafez
,
Sherien E. Sobhy
,
Taha Mehany
,
Reham A. Elfayoumy
,
Eman M. Elghazaly
,
Michael Eskander
,
Rasha G. Tawfik
,
Saleh M. Hussein
and
Leonel Pereira
Foods 2023, 12(7), 1466; https://doi.org/10.3390/foods12071466 - 29 Mar 2023
Cited by 1 | Viewed by 1008
Abstract
This study aims to detect Clostridium botulinum and its control using natural leaf extracts of Citrus limon, Citrus sinensis, and Citrus unshiu in Egyptian fish products, e.g., canned tuna, canned sardine, canned mackerel, fesikh, moloha, and renga, as well the application [...] Read more.
This study aims to detect Clostridium botulinum and its control using natural leaf extracts of Citrus limon, Citrus sinensis, and Citrus unshiu in Egyptian fish products, e.g., canned tuna, canned sardine, canned mackerel, fesikh, moloha, and renga, as well the application of C. limon in tuna. Moreover, the antibacterial activity of the C. limon leaf extract was also estimated. In the water extract, ascorbic acid, total flavonoid content (TFC), and total phenolic content (TPC) were determined by volumetric, aluminum chloride, and Folin–Ciocalteu approaches, respectively. The antioxidant ability of the extract was analyzed in vitro via free radical scavenging (DPPH) and Ferric reducing assays. The results showed variability in the distribution of the total number of positive C. botulinum in fish samples from three different governorates under study, which were (24) Alexandria, (16) Beheira, and (17) Gharbia, out of the 120 tested samples in each governorate. Additionally, the findings revealed that all three Citrus extracts contain an appropriate number of secondary metabolites, with a sustainable presence of saponin and tannins in the C. limon extract. Furthermore, all Citrus extracts inhibited bacterial growth by increasing the inhibition zone, with C. limon being the best extract (25 mm) compared to C. sinensis and C. unshiu. The overall results showed the high antioxidant and anti-Clostridium powers (p < 0.05) of C. limon leaf extract, indicating its preservative activity in fishery products during storage. Finally, C. limon leaf extract can fight off C. botulinum and is considered a promising natural preservation candidate in ensuring safe and fresh fishery products. Full article
(This article belongs to the Special Issue Contaminants in Seafood: Prevention, Control, and Detection)
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Article
First Report of Potentially Pathogenic Klebsiella pneumoniae from Serotype K2 in Mollusk Tegillarca granosa and Genetic Diversity of Klebsiella pneumoniae in 14 Species of Edible Aquatic Animals
by
Yingwei Xu
,
Ling Ni
,
Huiqiong Guan
,
Dailing Chen
,
Si Qin
and
Lanming Chen
Foods 2022, 11(24), 4058; https://doi.org/10.3390/foods11244058 - 15 Dec 2022
Cited by 1 | Viewed by 880
Abstract
Klebsiella pneumoniae can cause serious pneumonitis in humans. The bacterium is also the common causative agent of hospital-acquired multidrug-resistant (MDR) infections. Here we for the first time reported the genetic diversity of K. pneumoniae strains in 14 species of edible aquatic animals sampled [...] Read more.
Klebsiella pneumoniae can cause serious pneumonitis in humans. The bacterium is also the common causative agent of hospital-acquired multidrug-resistant (MDR) infections. Here we for the first time reported the genetic diversity of K. pneumoniae strains in 14 species of edible aquatic animals sampled in the summer of 2018 and 2019 in Shanghai, China. Virulence-related genes were present in the K. pneumoniae strains (n = 94), including the entB (98.9%), mrkD (85.1%), fimH (50.0%), and ybtA (14.9%) strains. Resistance to sulfamethoxazole-trimethoprim was the most prevalent (52.1%), followed by chloramphenicol (31.9%), and tetracycline (27.7%), among the strains, wherein 34.0% had MDR phenotypes. Meanwhile, most strains were tolerant to heavy metals Cu2+ (96.8%), Cr3+ (96.8%), Zn2+ (91.5%), Pb2+ (89.4%), and Hg2+ (81.9%). Remarkably, a higher abundance of the bacterium was found in bottom-dwelling aquatic animals, among which mollusk Tegillarca granosa contained K. pneumoniae 8-2-5-4 isolate from serotype K2 (ST-2026). Genome features of the potentially pathogenic isolate were characterized. The enterobacterial repetitive intergenic consensus polymerase chain reaction (ERIC-PCR)–based genome fingerprinting classified the 94 K. pneumoniae strains into 76 ERIC genotypes with 63 singletons, demonstrating considerable genetic diversity in the strains. The findings of this study fill the gap in the risk assessment of K. pneumoniae in edible aquatic animals. Full article
(This article belongs to the Special Issue Contaminants in Seafood: Prevention, Control, and Detection)
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Article
Genomic and Transcriptomic Analysis Reveal Multiple Strategies for the Cadmium Tolerance in Vibrio parahaemolyticus N10-18 Isolated from Aquatic Animal Ostrea gigas Thunberg
by
Pan Yu
,
Lianzhi Yang
,
Juanjuan Wang
,
Chenli Su
,
Si Qin
,
Chaoxi Zeng
and
Lanming Chen
Foods 2022, 11(23), 3777; https://doi.org/10.3390/foods11233777 - 23 Nov 2022
Viewed by 819
Abstract
The waterborne Vibrio parahaemolyticus can cause acute gastroenteritis, wound infection, and septicemia in humans. Pollution of heavy metals in aquatic environments is proposed to link high incidence of the multidrug-resistant (MDR) pathogen. Nevertheless, the genome evolution and heavy metal tolerance mechanism of V. [...] Read more.
The waterborne Vibrio parahaemolyticus can cause acute gastroenteritis, wound infection, and septicemia in humans. Pollution of heavy metals in aquatic environments is proposed to link high incidence of the multidrug-resistant (MDR) pathogen. Nevertheless, the genome evolution and heavy metal tolerance mechanism of V. parahaemolyticus in aquatic animals remain to be largely unveiled. Here, we overcome the limitation by characterizing an MDR V. parahaemolyticus N10-18 isolate with high cadmium (Cd) tolerance using genomic and transcriptomic techniques. The draft genome sequence (4,910,080 bp) of V. parahaemolyticus N10-18 recovered from Ostrea gigas Thunberg was determined, and 722 of 4653 predicted genes had unknown function. Comparative genomic analysis revealed mobile genetic elements (n = 11) and heavy metal and antibiotic-resistance genes (n = 38 and 7). The bacterium significantly changed cell membrane structure to resist the Cd2+ (50 μg/mL) stress (p < 0.05). Comparative transcriptomic analysis revealed seven significantly altered metabolic pathways elicited by the stress. The zinc/Cd/mercury/lead transportation and efflux and the zinc ATP-binding cassette (ABC) transportation were greatly enhanced; metal and iron ABC transportation and thiamine metabolism were also up-regulated; conversely, propanoate metabolism and ribose and maltose ABC transportation were inhibited (p < 0.05). The results of this study demonstrate multiple strategies for the Cd tolerance in V. parahaemolyticus. Full article
(This article belongs to the Special Issue Contaminants in Seafood: Prevention, Control, and Detection)
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