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| Belém-Costa,Andréa; Cyrino,José Eurico Possebon. |
| One of the most important problems involving treatments with antibiotics against Aeromonas hydrophila isolated from fishes is that antibiotic resistance develops readily. The antimicrobial activity of chemotherapeutants in isolates from pacu Piaractus mesopotamicus (Holmberg, 1887) and tilapia Oreochromis niloticus (Linnaeus, 1758) was tested by the Kirby-Bauer disk method, over Mueller-Hinton surface agar previously inoculated with 100 µL of bacterial suspensions. After regular incubation, isolates from tilapia and pacu were uniformly resistant to amoxicillin, ampicillin, lincomycin, novobiocin, oxacillin, penicillin, and trimetoprim+sulfametoxazole. The A. hydrophila type strain presented resistance to the same antimicrobial substances and also against... |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Bacterial isolates; Bacterial strains; Antimicrobial substances; Chemotherapeutants; Drugs. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162006000300011 |
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| Nwinyi,Obinna Chukwuemeka; Kanu,Ijeoma Akudo; Tunde,Ayano; Ajanaku,Kolawole Oluseyi. |
| The bacterial diversity in a diesel contaminated tropical soil was investigated using diesel oxidation in gradient cultures dynamics (pH and OD) of the pure cultures. The diesel dependent growths of these isolates were assessed for 15 days by monitoring the gradient fluxes in the pH and Optical density OD of the media. Results showed an increase in OD as well as fluctuations in pH values. The mean OD data obtained was 0.515- 1.187 with pH of 6.95-7.2. From the morphological and biochemical characterization and comparison with respect to the standard references, the isolates S1P1, S3P3, S2P2, S2P1,and S3P2 were presumably the members of the genera Bacillus, Pseudomonas and Mycobacterium species. From the study, it was apparent that the tropical ecosystems... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diesel; Optical density; Turbidity; Tropical Ecosystem; Bacterial strains; PH. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000500789 |
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| Chudobova,Dagmar; Cihalova,Kristyna; Guran,Roman; Dostalova,Simona; Smerkova,Kristyna; Vesely,Radek; Gumulec,Jaromir; Masarik,Michal; Heger,Zbynek; Adam,Vojtech; Kizek,Rene. |
| ABSTRACT BACKGROUND: Infections, mostly those associated with colonization of wound by different pathogenic microorganisms, are one of the most serious health complications during a medical treatment. Therefore, this study is focused on the isolation, characterization, and identification of microorganisms prevalent in superficial wounds of patients (n = 50) presenting with bacterial infection. METHODS: After successful cultivation, bacteria were processed and analyzed. Initially the identification of the strains was performed through matrix-assisted laser desorption/ionization time-of-flight mass spectrometry based on comparison of protein profiles (2-30 kDa) with database. Subsequently, bacterial strains from infected wounds were identified by both... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bacterial strains; MALDI-TOF; Sequencing; Superficial wounds. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702015000600604 |
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| Prado,Odimári Pricila Pires do; Zeoula,Lucia Maria; Moura,Lucimar Pontara Peres de; Franco,Selma Lucy; Paiva,Sara Barbosa de; Arcuri,Pedro Braga. |
| It was aimed in this work to evaluate bacterial strains tolerant to products based on propolis (LLOS) through the isolation, morphological and biochemical characterization techniques in diets with roughage:concentrate ratio 100:0 and 50:50. For roughage diets, the products LLOSC1 and LLOSB3 were evaluated, and for 50:50% diets, the products LLOSC1, LLOSD1, LLOSA2, and LLOSC3, which differed in alcoholic concentrations (1, 2 and 3) and propolis (A, B, C and D) concentrations. The ruminal liquid was anaerobically incubated at 39°C for 6 days in medium containing LLOS. After isolation, the strains were submitted to Gram staining and the bacterial growth was monitored by photospectrometer. It was evaluated the strain growth in the presence of the following... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Additives; Bacterial strains; Carbohydrates; Rumen fermentation. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000900025 |
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