Abstract:Antibiotic resistance (AR) and multidrug resistance (MDR) have been confirmed for all major foodborne pathogens: Campylobacter spp., Salmonella spp., Escherichia coli and Listeria monocytogenes. Of great concern to scientists and physicians are also reports of antibiotic-resistant emerging food pathogens—microorganisms that have not previously been linked to food contamination or were considered epidemiologically insignificant. Since the properties of foodborne pathogens are not always sufficiently recognized,… Show more
“…The use of antimicrobial peptides, vaccines, and peptides in combination with essential oils like clove and cinnamon are among the strategies considered to manage the spread of diseases associated with S. iniae [ 108 , 109 ].…”
One of the main challenges in aquaculture is pathogenic bacterial control.
Streptococcus iniae
stands out for its ability to cause high mortality rates in populations of commercially important fish populations and its recent recognition as an emerging zoonotic pathogen. The rise in identifying over 80 strains some displaying antibiotic resistance coupled with the emerging occurrence of infections in marine mammal species and wild fish underscores the urgent need of understanding pathogenesis, virulence and drug resistance mechanisms of this bacterium. This understanding is crucial to ensure effective control strategies. In this context, the present review conducts a bibliometric analysis to examine research trends related to
S. iniae
, extending into the mechanisms of infection, virulence, drug resistance and control strategies, whose relevance is highlighted on vaccines and probiotics to strengthen the host immune system. Despite the advances in this field, the need for developing more efficient identification methods is evident, since they constitute the basis for accurate diagnosis and treatment.
“…The use of antimicrobial peptides, vaccines, and peptides in combination with essential oils like clove and cinnamon are among the strategies considered to manage the spread of diseases associated with S. iniae [ 108 , 109 ].…”
One of the main challenges in aquaculture is pathogenic bacterial control.
Streptococcus iniae
stands out for its ability to cause high mortality rates in populations of commercially important fish populations and its recent recognition as an emerging zoonotic pathogen. The rise in identifying over 80 strains some displaying antibiotic resistance coupled with the emerging occurrence of infections in marine mammal species and wild fish underscores the urgent need of understanding pathogenesis, virulence and drug resistance mechanisms of this bacterium. This understanding is crucial to ensure effective control strategies. In this context, the present review conducts a bibliometric analysis to examine research trends related to
S. iniae
, extending into the mechanisms of infection, virulence, drug resistance and control strategies, whose relevance is highlighted on vaccines and probiotics to strengthen the host immune system. Despite the advances in this field, the need for developing more efficient identification methods is evident, since they constitute the basis for accurate diagnosis and treatment.
“…It is estimated that 600 million humans become ill annually after eating contaminated food, and 420,000 die every year, causing economic losses of over USD 100 billion [16]. Salmonella enterica, Campylobacter jejuni, enterohaemorrhagic Escherichia coli and Listeria monocytogenes are the most common foodborne pathogens in human cases [16,17]. However, there is increasing evidence that other emerging or unknown pathogens can play an important role in foodborne diseases, such as Aliarcobacter spp., Cronobacter spp., Vibrio spp., Clostridioides difficile, Mycobacterium paratuberculosis, Streptococcus suis, Helicobacter pylori, and Yersinia enterocolitica [17].…”
Section: Epidemiology Of Emerging Foodborne Diseasesmentioning
confidence: 99%
“…Salmonella enterica, Campylobacter jejuni, enterohaemorrhagic Escherichia coli and Listeria monocytogenes are the most common foodborne pathogens in human cases [16,17]. However, there is increasing evidence that other emerging or unknown pathogens can play an important role in foodborne diseases, such as Aliarcobacter spp., Cronobacter spp., Vibrio spp., Clostridioides difficile, Mycobacterium paratuberculosis, Streptococcus suis, Helicobacter pylori, and Yersinia enterocolitica [17]. Resistance to antimicrobial treatments and a probable underestimation of the real incidence of the emerging foodborne diseases increase the risk scale and the need to control old and new foodborne pathogens.…”
Section: Epidemiology Of Emerging Foodborne Diseasesmentioning
The globalization of food trade and the emergence of disease outbreaks involving several foodborne pathogens and foods has focused the attention of both the research community and consumers on food safety [...]
“…Listeria monocytogenes is a foodborne pathogen isolated from food and food processing environments that is known for its high adaptability to adverse environmental conditions [4] such as low temperature, low pH, high pressure, and high salt concentrations [5] and for being widespread in the environment, including water, soil, and wastewater [6]. This adaptability not only allows for L. monocytogenes to grow in a variety of environmental conditions, but also contributes to antimicrobial resistance and biofilm formation on a wide range of surfaces found in food production environments, allowing for L. monocytogenes to survive and proliferate [7][8][9].…”
Listeria monocytogenes, a foodborne pathogen, exhibits high adaptability to adverse environmental conditions and is common in the food industry, especially in ready-to-eat foods. L. monocytogenes strains pose food safety challenges due to their ability to form biofilms, increased resistance to disinfectants, and long-term persistence in the environment. The aim of this study was to evaluate the presence and genetic diversity of L. monocytogenes in food and related environmental products collected from 2014 to 2022 and assess antibiotic susceptibility and biofilm formation abilities. L. monocytogenes was identified in 13 out of the 227 (6%) of samples, 7 from food products (meat preparation, cheeses, and raw milk) and 6 from food-processing environments (slaughterhouse-floor and catering establishments). All isolates exhibited high biofilm-forming capacity and antibiotic susceptibility testing showed resistance to several classes of antibiotics, especially trimethoprim-sulfamethoxazole and erythromycin. Genotyping and core-genome clustering identified eight sequence types and a cluster of three very closely related ST3 isolates (all from food), suggesting a common contamination source. Whole-genome sequencing (WGS) analysis revealed resistance genes conferring resistance to fosfomycin (fosX), lincosamides (lin), fluoroquinolones (norB), and tetracycline (tetM). In addition, the qacJ gene was also detected, conferring resistance to disinfecting agents and antiseptics. Virulence gene profiling revealed the presence of 92 associated genes associated with pathogenicity, adherence, and persistence. These findings underscore the presence of L. monocytogenes strains in food products and food-associated environments, demonstrating a high virulence of these strains associated with resistance genes to antibiotics, but also to disinfectants and antiseptics. Moreover, they emphasize the need for continuous surveillance, effective risk assessment, and rigorous control measures to minimize the public health risks associated to severe infections, particularly listeriosis outbreaks. A better understanding of the complex dynamics of pathogens in food products and their associated environments can help improve overall food safety and develop more effective strategies to prevent severe health consequences and economic losses.
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