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Registros recuperados: 7
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Characterization of bacteriophages infecting clinical isolates of Pseudomonas aeruginosa stored in a culture collection BJMBR
Zanetti,C.C.S.; Mingrone,R.C.C.; Kisielius,J.J.; Ueda-Ito,M.; Pignatari,A.C.C..
Some clinical isolates of Pseudomonas aeruginosa stored in our culture collection did not grow or grew poorly and showed lysis on the culture plates when removed from the collection and inoculated on MacConkey agar. One hypothesis was that bacteriophages had infected and killed those clinical isolates. To check the best storage conditions to maintain viable P. aeruginosa for a longer time, clinical isolates were stored at various temperatures and were grown monthly. We investigated the presence of phage in 10 clinical isolates of P. aeruginosa stored in our culture collection. Four strains of P. aeruginosa were infected by phages that were characterized by electron microscopy and isolated to assess their ability to infect. The best condition to maintain...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteriophages; Pseudomonas aeruginosa.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2013000800689
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Contribuições na prevenção da resistência aos antimicrobianos: bacteriófagos para controle de bactérias na avicultura. Concórdia: Embrapa Suínos e Aves, 2022, 16 p. Infoteca-e
VAZ, C. S. L.; RECH, D. V.; FONSECA, F. M. da.
Tipo: Folhetos Palavras-chave: Antimicrobial resistance; Bacteriófagos; Resistência antimicrobiana; Fagoterapia; Bacteria in poultry; Biological inputs; Phagotherapy; Poultry farming; Bacterium; Avicultura; Salmonella; Bactéria; Bacteriophages; Aviculture.
Ano: 2022 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1147505
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Évolution de la virulence de V. crassostreae en lien avec l’huître en tant qu’hôte et les phages en tant que prédateurs ArchiMer
Piel, Damien.
Understanding the ecological and evolutionary dynamics of infectious agents is important for diagnosing, predicting and preventing diseases in farmed and wild species. This project was aimed at studying the evolution of V. crassostreae virulence in relation to the oyster as a host and to the phages as predators. We identified the molecular mechanisms leading to the adaptation of vibrios to oysters. We demonstrated the emergence of virulent strains of V. crassostreae in the area impacted by the juvenile oyster mortality syndrome. The emergence of more virulent V. crassostreae strains is linked to the acquisition of a plasmid encoding a type 6 secretion system responsible for lethal activity towards oyster hemocytes. This project also provides knowledge on...
Tipo: Text Palavras-chave: Vibrio; Interactions hôte/parasite; Emergence de pathogènes; Bactériophages; V. crassostreae; Mécanismes moléculaires; Vibrio; Host/parasite interactions; Pathogen emergence; Bacteriophages.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00690/80203/83289.pdf
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Genomic variants of bacteriophages against Salmonella enterica serovar Enteritidis with potential application in the poultry industry Rev. Bras. Ciênc. Avic.
Robeson,J; Retamales,J; Borie,C.
Salmonella enterica serovar Enteritidis (SE) is a prevalent gastrointestinal pathogen worldwide, threatening both animal and human health. In the latter, disease is associated to the consumption of SE-contaminated products from the poultry industry. The control of SE infection is largely based on the use of antibiotics and vaccines, but the use of lytic bacteriophages is re-emerging as an additional strategy for SE control. In fact, a number of recent reports point to the adequacy of bacteriophage as an efficient prophylactic or therapeutic countermeasure to SE infections. However, less attention has been focused on the basic biology of these bacteriophages. Here we report on three bacteriophages (f18, IF1 and EST2) that share a common viral particle...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteriophages; Biocontrol; Salmonella Enteritidis.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000300007
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In vitro characterization and in vivo properties of Salmonellae lytic bacteriophages isolated from free-range layers Rev. Bras. Ciênc. Avic.
Fiorentin,L; Vieira,ND; Barioni Júnior,W; Barros,S.
Occurrence of food poisoning related to Salmonella-contaminated eggs and chicken meat has been frequent in humans. Salmonella Enteritidis (SE) and Salmonella Typhimurium (ST) are included among the most important paratyphoid salmonellae associated with chicken meat and eggs. Elimination of Salmonella at the pre-harvest stage can play a significant role in preventing the introduction of this pathogen into the food chain and consequently in the reduction of food poisoning in humans. Bactericidal bacteriophages may provide a natural, nontoxic, feasible and non-expensive component of the multi-factorial approach for a pre-harvest control of Salmonella in poultry. Five bacteriophages lytic for SE PT4 and ST were obtained from 107 samples of feces of free-range...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteriophages; Food poisoning; Poultry; Salmonella.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2004000200009
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The behaviour of F specific bacteriophage in depurating shellfish with reference to their use as pollution indicator organisms ArchiMer
Lees, D; Dore, W.
The behaviour of sex-pilli specific (F+) bacteriophage during the depuration process was investigated using Pacific oysters (Crassostrea gigas) and edible mussels (Mytilus edulis) naturally contaminated with untreated sewage. F+ bacteriophage was eliminated considerably slower than E. coli. This effect was most pronounced in oysters which showed average T90 bacteriophage values of 62.5 hours compared with 11 hours for E. coli. F+ bacteriophage in mussels was largely confined to the digestive tract. The majority of E. coli were similarly located but, in contrast, counts were also distributed throughout the other internal tissues. Investigation of ultra-violet (UV) dosage showed that the difference in depuration rate was unlikely to be due to the higher...
Tipo: Text Palavras-chave: Escherichia coli; Mytilus edulis; Crassostrea gigas; Bivalvia; Indicator species; Marine molluscs; Bacteriophages; Pollution indicators; Marine pollution; Shellfish; Self purification.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1605.pdf
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Use of lytic bacteriophages to reduce Salmonella Enteritidis in experimentally contaminated chicken cuts Rev. Bras. Ciênc. Avic.
Fiorentin,L; Vieira,ND; Barioni Júnior,W.
Reducing Salmonella contamination in poultry is of major importance to prevent the introduction of this microorganism into the food chain. Salmonellae may spread during storage time (shelf life) whenever pre-harvest control fails or post-harvest contamination occurs. Therefore, preventive measures should also be used in the post-harvest level of poultry production in order to control salmonellae. Chicken skin samples were experimentally contaminated by immersing whole legs (thighs and drumsticks) in a suspension containing 10(6) colony forming units per milliliter (CFU/mL) of Salmonella Enteritidis phage type 4 (SE PT4) at the slaughter day. One day later, samples from one group were immersed in a suspension pool containing 10(9) CFU/mL of each of three...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteriophages; Contamination; Salmonella; Poultry; Skin.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2005000400010
Registros recuperados: 7
Primeira ... 1 ... Última
 

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