Publications by authors named "J Vaca"
Article Synopsis
- - The Bacillus cereus group produces a variety of antimicrobial compounds that help protect plants from pathogens and pests, while enhancing growth and stress tolerance.
- - These bacteria also play a crucial role in bioremediation, breaking down harmful environmental pollutants and producing beneficial enzymes, yet they can cause food poisoning due to enterotoxin production.
- - Overall, B. cereus has diverse applications in agriculture, industry, and medicine, including the development of eco-friendly materials and potential health benefits like cancer prevention through selenium nanoparticle production.
One of the most talked about issues of the 21st century is climate change, as it affects not just our health but also forestry, agriculture, biodiversity, the ecosystem, and the energy supply. Greenhouse gases are the primary cause of climate change, having dramatic effects on the environment. Climate change has an impact on the function and composition of the terrestrial microbial community both directly and indirectly.
View Article and Find Full Text PDFCharacterization of extended spectrum β-lactamases in Colombian clinical isolates of non-typhoidal Salmonella enterica between 1997 and 2022.
Edna Catering Rodríguez Sandra Yamile Saavedra Lucy Angeline Montaño Diana Patricia Sossa Francia Patricia Correa Jireh Alejandra Vaca
Biomedica
September 2023
Introduction. Salmonella spp. is a zoonotic pathogen transmitted to humans through contaminated water or food.
View Article and Find Full Text PDFArticle Synopsis
- * The study analyzed 40 unique isolates from clinical samples between 2018 and 2019, identifying bacteria using the API 20A system and measuring antibiotic effectiveness with Sensititre anaerobe MIC plates.
- * Findings revealed 11 isolates resistant to metronidazole, with only 2 carrying the significant resistance gene, and 5 imipenem-resistant isolates, suggesting a need for ongoing monitoring and understanding of resistance mechanisms to improve treatment options.
Article Synopsis
- Antibiotic-resistant bacteria are becoming a major global problem, highlighting the need for new antibiotics.
- Bacillus species, especially within the B. cereus group, produce bacteriocins—small peptides with strong antibacterial properties that are stable under various conditions.
- This study isolated and compared five bacteriocins from three related Bacillus species and found significant differences in their molecular mass and antibacterial effectiveness, reinforcing that bacteriocins can be linked to their specific Bacillus species of origin.