Special Issue "Biofilms in Focus: A Threat to Foods"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Biosciences and Bioengineering".

Deadline for manuscript submissions: 25 January 2020.

Special Issue Editors

Guest Editor
Prof. Dr. José Juan Rodríguez-Jerez

Departmento de Ciencia Animal y de los Alimentos, Facultad de Veterinaria, Universitat Autònoma de Barcelona, Barcelona, Spain
Website | E-Mail
Interests: biofilm; food safety; food microbiology; biosafety; cleaning; disinfection; sanitization; biosecurity
Guest Editor
Dr. Carolina Ripolles-Avila

Department of Food and Animal Science, Universitat Autònoma de Barcelona, Barcelona, Spain
Website | E-Mail
Interests: food safety; food hygiene; food microbiology; biofilms; foodborne pathogens; spoilage microorganisms; quorum sensing; biofilm control

Special Issue Information

Dear Colleagues,

The world of microbiology is changing—consumers and taxpayers are not aware of it, and neither are many of the technicians involved in food safety. Nowadays, there is a silent problem related to microbiology, and particularly, to food microbiology. That is, the biofilms formation, and its inhabitants’ resistance to cleaning, disinfection, and antibiotics.

Little by little, without being aware of it, the presence of pathogenic microorganisms on food products have been increasing. Pathogens such as Escherichia coli Shiga-toxin producers, Listeria monocytogenes, or Yersinia enterocolitica are becoming more frequent. They are microorganisms that are clearly sensitive to common disinfectants, such as sodium hypochlorite or quaternary ammonia, that have already been used in disinfection for several hundreds of years, but which are not eliminated in food facilities after the disinfection process. Is it because of a new resistance to disinfectants? Clearly not—in recommended concentrations, the justification lies in its great capacity to produce biofilms, a very effective form of resistance, which allows them to survive, grow, and colonize large areas. Bacteria’s ability to adhere to industrial surfaces and to subsequently trigger biofilm formation has significant implications within the food industry, especially for their consequences regarding public health and economic productivity. Today, L. monocytogenes is already the pathogen with the highest mortality in Europe and the United States, and one of the main causes of the pathogen contaminating a product is because of cross-contamination from surfaces. Moreover, we cannot forget the presence and interaction between pathogens and spoilage microorganisms, because of the interaction between them, which is essential in order to assure a quick and stable biofilm structure. Perhaps more time and research are needed in order to be able to include these structures as a priority in food control—meanwhile, hundreds of deaths accumulate in the statistics.

Prof. Dr. José Juan Rodríguez-Jerez
Dr. Carolina Ripolles-Avila
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 papers will be 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. Applied Sciences 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 1500 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

  • Biofilms 
  • Cleaning 
  • Disinfection 
  • Sanitization 
  • Food microbiology
  • Food safety 
  • Pathogens 
  • Food control

Published Papers (1 paper)

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Review

Open AccessReview
A Brief Recap of Microbial Adhesion and Biofilms
Appl. Sci. 2019, 9(14), 2801; https://doi.org/10.3390/app9142801
Received: 24 June 2019 / Revised: 4 July 2019 / Accepted: 9 July 2019 / Published: 12 July 2019
PDF Full-text (1550 KB) | HTML Full-text | XML Full-text
Abstract
Food and beverage industries operate their production units under stringent hygiene standards to verify high-quality products. However, the presence of biofilms can cause hygienic problems in the industries in the case of pathogenic organisms. Microorganisms can form biofilms, which are resistant to cleaning [...] Read more.
Food and beverage industries operate their production units under stringent hygiene standards to verify high-quality products. However, the presence of biofilms can cause hygienic problems in the industries in the case of pathogenic organisms. Microorganisms can form biofilms, which are resistant to cleaning and disinfection. Microorganisms in biofilms are closely packed in a matrix that acts as a barrier to cleaning and disinfection. Biofilms are observed in processing equipment and open surfaces, resulting in food safety problems or weakening of production efficiency. This review provides a recap of the biofouling process, including the production mechanisms and control techniques of microbial adhesion. Microbial adhesion and colonization are the sine qua non of the establishment of bacterial pathogenesis and this report focuses on their prevention. Full article
(This article belongs to the Special Issue Biofilms in Focus: A Threat to Foods)
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