Clonage TA

Clonage TA

N. VIJAYALAKSHMI

65,49 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Biologia, ciencias de la vida
ISBN:
9786208873905
65,49 €
IVA incluido
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Nous avons exploité la technique de clonage TA d’un gène responsable de la résistance aux antibiotiques, à savoir la résistance à la kanamycine, en suivant les étapes de base du processus de clonage. Contexte de l’invention Une condition essentielle pour un génie génétique efficace des bactéries et autres cellules propagées dans des cultures cellulaires est la capacité de sélectionner les cellules présentant une altération génotypique spécifique. La stratégie de sélection la plus courante dans la technologie de l’ADN recombinant consiste à inclure un marqueur de sélection dans le vecteur de clonage ou le plasmide. Un marqueur de sélection peut être un gène cloné ou une séquence d’ADN, qui permet de séparer les cellules hôtes contenant le marqueur de sélection de celles qui ne le contiennent pas. Le marqueur de sélection, associé à un milieu de sélection approprié, maintient le vecteur de clonage dans les cellules. Sinon, étant donné que la réplication des plasmides est une charge énergétique pour l’hôte bactérien, dans une culture en croissance, les bactéries qui ont perdu le plasmide auraient un avantage de croissance par rapport aux cellules contenant le plasmide.

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