A bacterium that can cause one serious cardiac disease in humans is extending through a variety of flea that is in the rats, which could end at an important problem of public health according to fears a group of scientists. An investigation published in the number of December of the Journal of Medical Microbiology, gathered by otr/press, suggests them rates of culvert, the larger ones and more common in Europe, they have been possible to turn into carriers of the bacterium.

   Since the beginning of years 90, they have been shortages more than 20 species of the Bartonella bacterium. Pathogenic zoonóticos are considered emergent, because they can cause serious diseases on world-wide scale in humans who can include from cardiac disease to ailments in the spleen or the nervous system.

A new denominated variety Bartonella rochamilae was recently open pie in a patient with spleen inflammation that had traveled to South America, professor Ciao Chang of the National Chung Hsing University in Taiwan declared. This fact points the possibility that it could be an emergent zoonótico pathogen; for this reason, we decided to investigate more to understand if the rodents that live in human surroundings could carry this bacterium.

   The scientists have found who the rodents can carry several pathogenic types of Bartonella, such as elizabethae, that it can cause endocarditis, and grahamii, that is related to the neurorrinitis in humans. Although the scientists are not safe on the main route of transmission, those infections are extended essentially through fleas, concretely the denominated Ctenophathalmus nobilis, associated the rates of field, and also in gerbos and rates of culvert.

DANGEROUS PATHOGEN AGENTS

   We analyzed the bacteria found in rates of culvert in Taiwan. This brown rat is also most common in Europe, declared professor Chang. Analyzing the DNA of the bacterium, we discovered a stock that is related closely to the Bartonella rochalimae, that recently has been located in infections in humans in the United States.

   The investigators took samples from 58 rodents, including 53 rates of culvert, 2 mice and 3 black rats. Six of them were carrying of the bacterium, of which 5 were rates of culvert. In four cases elizabethae was the subtype, that can cause cardiac ailments in humans. But in addition, the investigators identified a case in that for the first time the rat was carrying of the variety rochalimae.

   As one is a small sample, we cannot assure that the rate of alcanatrilla is extending this dangerous pathogenic agent, professor Chang said. Nevertheless, several types different from the Bartonella bacterium are transmitted surely by rodents, concluded.

Source: www.europapress.es

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