2008
DOI: 10.1590/1808-1657v75p5132008
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Genotipagem De Clostridium Perfringens Isolados De Leitões Diarréicos

Abstract: RESUMO Clostridium perfringens é o agente responsável pela enterite necrótica em leitões, caracterizada por diarréia, perda de peso e morte. O presente estudo objetivou a tipificação de C. perfringens a partir de fezes de leitões diarréicos pela técnica da PCR multiplex, utilizando iniciadores específicos para os genes das toxinas alfa (cpa), beta (cpb), beta-2 (cpb-2), épsilon (etx), iota (ia) e enterotoxina (cpe). Foram utilizadas 65 amostras fecais de leitões com idade variando entre sete a 36 dias. O mater… Show more

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Cited by 17 publications
(3 citation statements)
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“…For each plate, up to three characteristic colonies containing sulfite-reducing microorganisms were suspended in 400 μL of ultrapure water (Milli-Q®) in Eppendorf tubes (2 ml) and subjected to thermal DNA extraction at 98 °C for 20 min in a thermoblock (HDV, BR) [15,16]. Subsequently, the microtubes were centrifuged at 3000 x g for 10 min, and the resulting supernatant was used as template DNA in a multiplex PCR to identify the genes encoding the alpha, beta, epsilon and iota toxins and enterotoxin [16].…”
Section: Processingmentioning
confidence: 99%
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“…For each plate, up to three characteristic colonies containing sulfite-reducing microorganisms were suspended in 400 μL of ultrapure water (Milli-Q®) in Eppendorf tubes (2 ml) and subjected to thermal DNA extraction at 98 °C for 20 min in a thermoblock (HDV, BR) [15,16]. Subsequently, the microtubes were centrifuged at 3000 x g for 10 min, and the resulting supernatant was used as template DNA in a multiplex PCR to identify the genes encoding the alpha, beta, epsilon and iota toxins and enterotoxin [16].…”
Section: Processingmentioning
confidence: 99%
“…For each plate, up to three characteristic colonies containing sulfite-reducing microorganisms were suspended in 400 μL of ultrapure water (Milli-Q®) in Eppendorf tubes (2 ml) and subjected to thermal DNA extraction at 98 °C for 20 min in a thermoblock (HDV, BR) [15,16]. Subsequently, the microtubes were centrifuged at 3000 x g for 10 min, and the resulting supernatant was used as template DNA in a multiplex PCR to identify the genes encoding the alpha, beta, epsilon and iota toxins and enterotoxin [16]. For all the PCRs, the amplifications were performed in a thermocycler (Thermal Cycler Px2, Thermo Electron Corporation, USA), and the bands were visualized with ultraviolet light on a 2% agarose gel stained with ethidium bromide (Sigma-Aldrich Corporation, USA) [15,16].…”
Section: Processingmentioning
confidence: 99%
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