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IRTA-CReSA. Col·laboració en
tasques de laboratori
Programa Argó 2015
Ana Serrano, Olga Valero i Marina Nieves
Índex
1. Haemophilus parasuis
2. Cultius bacterians
3. Tinció Gram
4. Procediment PCR,Eric-PCR, PCR de
virulència
5. Conclusió
Haemophilus parasuis
-Colonitzador primari del tracte respiratori dels garrins.
-Agent causal de la malaltia de Glässer.
-Molt heterogeni (varietat de soques).
Diagnòstic
Objectiu: Generar cultius de colònies aïllades i observar el creixement
Procediment: Estendre hisop en dues zones per la placa d’agar xocolata.
Deixar reposar el cultiu a l’estufa (37ºC, 5% CO2)
Resultat:
CULTIU BACTERIÀ 1
Objectiu: Caracteritzar les colònies cultivades
Procediment: A partir de les colònies aïllades cultivades intentem tornar a
generar un cultiu en plaques agar sang i agar xocolata. Deixem reposar 24
hores en les mateixes condicions.
Resultat:
CULTIU BACTERIÀ 2
Tinció Gram
1. Agafem part del cultiu i el posem en el portaobjectes.
2. Tenyim la mostra en cristall violeta.
3. Afegim lugol per fixar-ho.
4. Hi introduïm alcohol.
5. Tenyim la mostra amb safranina.
Procediment PCRs
1. Extracció DNA a partir dels cultius obtinguts
2. Preparació de la solució necessària PCR (H2O, MgCl2, Buffer,
primers, enzim Taq, nucleòtids)
3. Introduïm en diferents strips la solució i el DNA extret de cada
mostra.
4. Ho introduïm al termociclador seguint els temps i les temperatures
corresponents a cada PCR, i el posem en funcionament.
5. Correm el gel per poder observar els resultats.
Procediments PCRs
PCR PATOLÒGICA
Objectiu: Comprovació de la presència
de Haemophilus parasuis a les
mostres.
ERIC-PCR
Objectiu: Determinar el tipus de soca
causant del cas clínic.
PCR DE VIRULÈNCIA
Objectiu: Determinar si la soca és
virulenta o no virulenta.
NV NV - NV V V V Control Control
Conclusions
• Podem concloure que els garrins estaven infectats per la bactèria
Haemophilus parasuis.
Gràcies per la vostra atenció

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AquestIrta (argo) (2)

  • 1. IRTA-CReSA. Col·laboració en tasques de laboratori Programa Argó 2015 Ana Serrano, Olga Valero i Marina Nieves
  • 2. Índex 1. Haemophilus parasuis 2. Cultius bacterians 3. Tinció Gram 4. Procediment PCR,Eric-PCR, PCR de virulència 5. Conclusió
  • 3. Haemophilus parasuis -Colonitzador primari del tracte respiratori dels garrins. -Agent causal de la malaltia de Glässer. -Molt heterogeni (varietat de soques).
  • 4. Diagnòstic Objectiu: Generar cultius de colònies aïllades i observar el creixement Procediment: Estendre hisop en dues zones per la placa d’agar xocolata. Deixar reposar el cultiu a l’estufa (37ºC, 5% CO2) Resultat: CULTIU BACTERIÀ 1
  • 5. Objectiu: Caracteritzar les colònies cultivades Procediment: A partir de les colònies aïllades cultivades intentem tornar a generar un cultiu en plaques agar sang i agar xocolata. Deixem reposar 24 hores en les mateixes condicions. Resultat: CULTIU BACTERIÀ 2
  • 6. Tinció Gram 1. Agafem part del cultiu i el posem en el portaobjectes. 2. Tenyim la mostra en cristall violeta. 3. Afegim lugol per fixar-ho. 4. Hi introduïm alcohol. 5. Tenyim la mostra amb safranina.
  • 7. Procediment PCRs 1. Extracció DNA a partir dels cultius obtinguts 2. Preparació de la solució necessària PCR (H2O, MgCl2, Buffer, primers, enzim Taq, nucleòtids) 3. Introduïm en diferents strips la solució i el DNA extret de cada mostra. 4. Ho introduïm al termociclador seguint els temps i les temperatures corresponents a cada PCR, i el posem en funcionament. 5. Correm el gel per poder observar els resultats.
  • 9. PCR PATOLÒGICA Objectiu: Comprovació de la presència de Haemophilus parasuis a les mostres. ERIC-PCR Objectiu: Determinar el tipus de soca causant del cas clínic. PCR DE VIRULÈNCIA Objectiu: Determinar si la soca és virulenta o no virulenta. NV NV - NV V V V Control Control
  • 10. Conclusions • Podem concloure que els garrins estaven infectats per la bactèria Haemophilus parasuis.
  • 11. Gràcies per la vostra atenció