Identificación de Listeria monocytogenes y los genes tet-A, tet-B, tet-C y erm-B mediante PCR Multiplex en queso costeño artesanal en venta al por menor en el mercado público de Barranquilla en el periodo 2018 - 2019
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Fecha
2019
Autores
Rodríguez Ospino, Yoharis Esther
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Ediciones Universidad Simón Bolívar
Facultad de Ciencias Básicas y Biomédicas
Facultad de Ciencias Básicas y Biomédicas
Resumen
Las enfermedades transmitidas por alimentos (ETA) son causadas por diferentes microorganismos como bacterias, virus, hongos y parásitos, los cuales se adquieren por la ingesta de alimentos contaminados donde se encuentran los productos lácteos, embutidos y productos cárnicos. En la actualidad, las ETA constituyen un importante problema para la salud pública, debido al surgimiento de múltiples formas de transmisión y los distintos factores de riesgo que son importantes para la inocuidad de los alimentos. La Listeria monocytogenes, es una especie que pertenece al género Listeria con una gran distribución en el medio ambiente; como suelos, aguas contaminadas, tracto digestivo de animales, plantas, desagües, entre otros. Es una de las bacterias patógenas causante de ETA y el principal agente causante de listeriosis. Listeria monocytogenes es un microorganismo emergente zoonótico con la capacidad de adherirse, colonizar, internalizarse, multiplicarse y diseminarse en células humana (epiteliales, endoteliales, hepáticas, fagocitos), provocando complicaciones clínicas. Se caracteriza por atravesar las barreras vitales como la intestinal, la hemato - encefálica y la placentaria. Esta infección afecta a población vulnerable como edades extremas, mujeres embarazadas, y pacientes inmunosuprimidos, provocando patologías que se caracterizan por ocasionar alteraciones gastrointestinales y complicaciones clínicas como bacteriemia, septicemia y meningitis, entre otras. La listeriosis es una enfermedad poco común, pero una de las más severas a nivel mundial, causante del 20 – 30 % de las muertes.
Foodborne diseases are caused by different microorganisms such as bacteria, viruses, fungi and parasites, which are acquired by the intake of contaminated food, including: dairy products and processed and unprocessed meat products. At present, Foodborne diseases constitute a major problem for public health, due to the emergence of multiple forms of transmission and the various risk factors that are important for food safety. Listeria monocytogenes, is a species that belongs to the genus Listeria with a great distribution in the environment; as soils, contaminated water, digestive tract of animals, plants, drains, among others. Listeria monocytogenes is one of the pathogenic bacteria that causes foodborne diseases and the main causative agent of listeriosis. Listeria monocytogenes is an emerging zoonotic microorganism with the ability to adhere, colonize, internalize, multiply and spread in human cells (epithelial, endothelial, hepatic, phagocyte), causing clinical complications. It is characterized by crossing vital barriers such as intestinal, blood-brain and placental. Listeriosis affects the vulnerable population such as infants, children and the elderly, pregnant women, and immunosuppressed patients; this pathology is characterized by causing gastrointestinal disturbances and clinical complications such as bacteremia, septicemia and meningitis, among others. Listeriosis is a rare disease, but one of the most severe worldwide, causing 20-30% of deaths.
Foodborne diseases are caused by different microorganisms such as bacteria, viruses, fungi and parasites, which are acquired by the intake of contaminated food, including: dairy products and processed and unprocessed meat products. At present, Foodborne diseases constitute a major problem for public health, due to the emergence of multiple forms of transmission and the various risk factors that are important for food safety. Listeria monocytogenes, is a species that belongs to the genus Listeria with a great distribution in the environment; as soils, contaminated water, digestive tract of animals, plants, drains, among others. Listeria monocytogenes is one of the pathogenic bacteria that causes foodborne diseases and the main causative agent of listeriosis. Listeria monocytogenes is an emerging zoonotic microorganism with the ability to adhere, colonize, internalize, multiply and spread in human cells (epithelial, endothelial, hepatic, phagocyte), causing clinical complications. It is characterized by crossing vital barriers such as intestinal, blood-brain and placental. Listeriosis affects the vulnerable population such as infants, children and the elderly, pregnant women, and immunosuppressed patients; this pathology is characterized by causing gastrointestinal disturbances and clinical complications such as bacteremia, septicemia and meningitis, among others. Listeriosis is a rare disease, but one of the most severe worldwide, causing 20-30% of deaths.
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Palabras clave
ETA, Listeriosis, PCR, Zoonosis, Listeria monocytogenes, Foodborne diseases
