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TRANSFORMASI PLASMID YANG MENGANDUNG GEN merB PADA Escherichia coli BL21(DE3)

Authors: Bernadus, Zefanya G; Fatimawali, Fatimawali; Kolondam, Beivy;

TRANSFORMASI PLASMID YANG MENGANDUNG GEN merB PADA Escherichia coli BL21(DE3)

Abstract

ABSTRACTDNA transformation is one of the methods for inserting DNA into bacterial cells. The current transformation method is widely used to transfer plasmids containing genetic material. This study aims to evaluate the results of plasmid transformation containing merB gene in Escherichia coli BL21(DE3) bacteria. The stages of the research carried out were preceded by the microbiological identification of the E. coli BL21(DE3) bacteria used as hosts. Then the plasmid transformation containing merB gene into the E. coli BL21(DE3) host cell using the heat shock method was carried out. The transformation results were evaluated by observing at the presence of E. coli BL21(DE3) colonies on agar Luria Bertani (LB) media containing ampicillin antibiotics. Plasmids in E. coli BL21(DE3) were isolated and analyzed by 1% agarose gel electrophoresis. The results showed the success of the transformation indicated by the growth of E. coli BL21(DE3) bacteria in agar LB media containing ampicillin and the visualization on agarose gel resulted that the plasmid which carried the merB gene could be transformed in to the E. coli BL21(DE3) bacteria.Keywords : Plasmids, merB genes, heat shock, Escherichia coli BL21(DE3)ABSTRAKTransformasi DNA merupakan salah satu metode untuk memasukkan DNA ke dalam sel bakteri. Metode transformasi saat ini dipakai secara luas untuk mentransfer plasmid yang mengandung bahan genetika. Penelitian ini bertujuan untuk mengevaluasi hasil transformasi plasmid yang mengandung gen merB pada bakteri Escherichia coli BL21(DE3). Tahapan penelitian didahului dengan identifikasi secara mikrobiologi bakteri E. coli BL21(DE3) yang digunakan sebagai inang. Selanjutnya dilakukan transformasi plasmid yang mengandung gen merB kedalam sel inang E. coli BL21(DE3) menggunakan metode heat shock. Hasil transformasi dievaluasi dengan melihat adanya koloni E. coli BL21(DE3) pada media agar Luria Bertani (LB) yang mengandung antibiotik ampisilin. Plasmid pada E. coli BL21(DE3) diisolasi dan dianalisis dengan elektroforesis gel agarose 1%. Hasil penelitian menunjukkan keberhasilan transformasi dengan adanya pertumbuhan bakteri E. coli BL21(DE3) pada media LB yang mengandung ampisillin dan hasil visualisasi pada agarose gel terlihat bahwa plasmid yang membawa gen merB dapat ditransformasikan ke dalam bakteri E. coli BL21(DE3).Kata Kunci : Plasmid, gen merB, heat shock, Escherichia coli BL21(DE3)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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