Beatriz Martı́nez
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View article: Impact of material and manufacturing method on the efficacy of NIR spectroscopy to detect Staphylococcus aureus biofilms
Impact of material and manufacturing method on the efficacy of NIR spectroscopy to detect Staphylococcus aureus biofilms Open
The formation of biofilms on surfaces from clinical and food industry settings represents a significant risk to human health due to their resistance to traditional antimicrobial agents. The development of rapid and effective detection meth…
View article: Comparative analysis of different algorithms for VAS station land cover classification with limited training points
Comparative analysis of different algorithms for VAS station land cover classification with limited training points Open
The Valencian Anchor Station (VAS) (Spain) is an outstanding site operating as a central location for calibrating and validating numerous remote sensing instruments and products. Hence, an accurate characterization of its land cover is req…
View article: A Plasmid-Encoded Surface Polysaccharide Partly Blocks Ceduovirus Infection in Lactococci
A Plasmid-Encoded Surface Polysaccharide Partly Blocks Ceduovirus Infection in Lactococci Open
Bacteriophages (or phages) remain the leading cause of failure in dairy fermentations. Thereby, phage-resistant Lactococcus lactis and Lactococcus cremoris dairy starters are in continuous demand. In this work, our goal was to identify pha…
View article: Advances in the Detection and Identification of Bacterial Biofilms Through NIR Spectroscopy
Advances in the Detection and Identification of Bacterial Biofilms Through NIR Spectroscopy Open
Bacterial biofilms play an important role in the pathogenesis of infectious diseases but are also very relevant in other fields such as the food industry. This fact has led to an increased focus on the early identification of these structu…
View article: Nursing Skills in the Care of Patients With Respiratory Stomas in Hospitals With and Without Advanced Practice Tracheostomy Service
Nursing Skills in the Care of Patients With Respiratory Stomas in Hospitals With and Without Advanced Practice Tracheostomy Service Open
Aims To identify whether there are differences in knowledge regarding the management of patients with respiratory stomas among nurses working in hospitals with an advanced practice tracheostomy service compared to those without it. Design …
View article: Bacteriocins against biogenic amine-accumulating lactic acid bacteria in cheese: Nisin A shows the broadest antimicrobial spectrum and prevents the formation of biofilms
Bacteriocins against biogenic amine-accumulating lactic acid bacteria in cheese: Nisin A shows the broadest antimicrobial spectrum and prevents the formation of biofilms Open
Cheese is a food in which toxic concentrations of biogenic amines (BA) may be reached, mainly as a consequence of the decarboxylation of determined amino acids by certain lactic acid bacteria (LAB). To maintain the food safety of cheese, e…
View article: Bacteriocins and Bacteriophages as Dual Biological Players for Food Safety Applications
Bacteriocins and Bacteriophages as Dual Biological Players for Food Safety Applications Open
The development of new techniques for the control of pathogenic microorganisms during food production and for the prevention of spoilage are needed to reduce or replace chemical preservatives. This is due to the trend that consumers are in…
View article: Near Infrared Spectroscopy for Bacterial Detection in the Dairy Industry
Near Infrared Spectroscopy for Bacterial Detection in the Dairy Industry Open
[EN] This article discusses the use of near-infrared (NIR) spectroscopy combined with multivariate classification methods for detecting bacterial contamination in milk in the dairy industry. In the first experiment, the study found that NI…
View article: Effects of Cow’s Milk Processing on MicroRNA Levels
Effects of Cow’s Milk Processing on MicroRNA Levels Open
MicroRNAs (miRNAs) regulate gene expression and might resist adverse physicochemical conditions, which makes them potential biomarkers. They are being investigated as biomarkers of dairy production systems, based on the variations in their…
View article: Resistance to the Bacteriocin Lcn972 Deciphered by Genome Sequencing
Resistance to the Bacteriocin Lcn972 Deciphered by Genome Sequencing Open
In view of the current threat of antibiotic resistance, new antimicrobials with low risk of resistance development are demanded. Lcn972 is a lactococcal bacteriocin that inhibits septum formation by binding to the cell wall precursor lipid…
View article: Cell wall modifications that alter the exolytic activity of lactococcal phage endolysins have little impact on phage growth
Cell wall modifications that alter the exolytic activity of lactococcal phage endolysins have little impact on phage growth Open
Bacteriophages are a nuisance in the production of fermented dairy products driven by starter bacteria and strategies to reduce the risk of phage infection are permanently sought. Bearing in mind that the bacterial cell wall plays a pivota…
View article: Bacteriocin‐phage interaction (BaPI): Phage predation of <i>Lactococcus</i> in the presence of bacteriocins
Bacteriocin‐phage interaction (BaPI): Phage predation of <i>Lactococcus</i> in the presence of bacteriocins Open
Bacteriophages infecting dairy starter bacteria are a leading cause of milk fermentation failure and strategies to reduce the risk of phage infection in dairy settings are demanded. Along with dairy starters, bacteriocin producers (protect…
View article: Combined use of bacteriocins and bacteriophages as food biopreservatives. A review
Combined use of bacteriocins and bacteriophages as food biopreservatives. A review Open
Throughout history, humans have consistently developed strategies to prevent food-associated illnesses. However, despite our multiple technological advances, food safety is still an issue of concern. Moreover, there is a demand for gaining…
View article: Draft Genome Sequences of the Bap-Producing Strain Staphylococcus aureus V329 and Its Derived Phage-Resistant Mutant BIM-1
Draft Genome Sequences of the Bap-Producing Strain Staphylococcus aureus V329 and Its Derived Phage-Resistant Mutant BIM-1 Open
This study reports the draft genome sequences of Staphylococcus aureus V329, a Bap-producing strain isolated from a case of subclinical bovine mastitis in Spain, and a derived mutant (BIM-1) resistant to phage phiIPLA-RODI. Comparison of t…
View article: Exploiting the lactococcal cell envelope stress response for proficient dairy starters
Exploiting the lactococcal cell envelope stress response for proficient dairy starters Open
Trabajo presentado en el EFB Microbial Stress 2020 celebrado en Italia de forma online, del 16 al 18 de noviembre de 2020
View article: New developments in RiPP discovery, enzymology and engineering
New developments in RiPP discovery, enzymology and engineering Open
This review provides a comprehensive update of the advances in discovery, biosynthesis, and engineering of ribosomally-synthesized and post-translationally modified peptides (RiPPs).
View article: Mutations Selected After Exposure to Bacteriocin Lcn972 Activate a Bce-Like Bacitracin Resistance Module in Lactococcus lactis
Mutations Selected After Exposure to Bacteriocin Lcn972 Activate a Bce-Like Bacitracin Resistance Module in Lactococcus lactis Open
Resistance against antimicrobial peptides (AMPs) is often mediated by detoxification modules that rely on sensing the AMP through a BceAB-like ATP-binding cassette (ABC) transporter that subsequently activates a cognate two-component syste…
View article: Polyphasic Characterisation of Non-Starter Lactic Acid Bacteria from Algerian Raw Camel’s Milk and Their Technological Aptitudes
Polyphasic Characterisation of Non-Starter Lactic Acid Bacteria from Algerian Raw Camel’s Milk and Their Technological Aptitudes Open
Research background. Consumption of spontaneously fermented camel´s milk is usual in Algeria, making it a feasible source of diverse lactic acid bacteria (LAB) with the potential to be used as adjunct cultures to improve quality and safety…
View article: Cell wall homeostasis in lactic acid bacteria: threats and defences
Cell wall homeostasis in lactic acid bacteria: threats and defences Open
Lactic acid bacteria (LAB) encompasses industrially relevant bacteria involved in food fermentations as well as health-promoting members of our autochthonous microbiota. In the last years, we have witnessed major progresses in the knowledg…
View article: Insight into the Lytic Functions of the Lactococcal Prophage TP712
Insight into the Lytic Functions of the Lactococcal Prophage TP712 Open
The lytic cassette of Lactococcus lactis prophage TP712 contains a putative membrane protein of unknown function (Orf54), a holin (Orf55), and a modular endolysin with a N-terminal glycoside hydrolase (GH_25) catalytic domain and two C-ter…
View article: Bacteriocin-induced mutations activate antibiotic resistance modules in Lactococcus lactis
Bacteriocin-induced mutations activate antibiotic resistance modules in Lactococcus lactis Open
Trabajo presentado en el 8th Congress of European Microbiologists, organizado por la Federation of European Microbiological Societies (FEMS), celebrado en Glasgow (Escocia) del 7 al 11 de julio de 2019
View article: Extending shelf-life of a cereal-based infant foof through fermentation with anti-fungal lactobacilli
Extending shelf-life of a cereal-based infant foof through fermentation with anti-fungal lactobacilli Open
Trabajo presentado en el 8th Congress of European Microbiologists, organizado por la Federation of European Microbiological Societies (FEMS), celebrado en Glasgow (Escocia) del 7 al 11 de julio de 2019
View article: Adaptive Evolution of Industrial Lactococcus lactis Under Cell Envelope Stress Provides Phenotypic Diversity
Adaptive Evolution of Industrial Lactococcus lactis Under Cell Envelope Stress Provides Phenotypic Diversity Open
Lactococcus lactis is widely used as a starter in the manufacture of cheese and fermented milk. Its main role is the production of lactic acid, but also contributes to the sensory attributes of cheese. Unfortunately, the diversity of suita…
View article: Comparative analysis of different preservation techniques for the storage of Staphylococcus phages aimed for the industrial development of phage-based antimicrobial products
Comparative analysis of different preservation techniques for the storage of Staphylococcus phages aimed for the industrial development of phage-based antimicrobial products Open
Bacteriophages have been proven as effective antimicrobial agents in the treatment of infectious diseases and in other biocontrol applications including food preservation and disinfection. The extensive use of bacteriophages requires impro…
View article: Strategies to Encapsulate the Staphylococcus aureus Bacteriophage phiIPLA-RODI
Strategies to Encapsulate the Staphylococcus aureus Bacteriophage phiIPLA-RODI Open
The antimicrobial properties of bacteriophages make them suitable food biopreservatives. However, such applications require the development of strategies that ensure stability of the phage particles during food processing. In this study, w…