TM 08 POLYMERASE CHAIN REACTION 2014.pptx

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    TATAP MUKA 8

    Polymerase Chain Reaction

    (PCR)

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    LO 34: menjelaskan prinsip dasar PCR

    LO 35: menjelaskan perancangan prmer PCRLO 36: menjelaskan reverse transcriptase PCR (RT-PCR)

    LO 3: menjelaskan nested PCR

    LO 3!: menjelaskan R"P#-PCR 

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    INSIP DASAR PCR

    1. DNA temlat DNA yang sebagian urutannyaakan diamplifkasi

    !. Primer • Oligonucleotide• untuk memulai amplifkasi• membatasi ragmen yang

    akan diamplifkasi.". DNA olimerase 

    • DNA polimerase termostabil• mengamplifkasi ragmen

    DNA#. $NTP 

    Monomer DNA• dATP, dTTP, dGTP, dTP

    MP%N&N PCR

    '% "# menelas*an rinsi $asar PCR

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    D!NAT"#AT$ON %&'() Duple* DNA is +eat

    denatured to giesingle strands

    ANN!A-$NG %''() to oligonucleotide

    primers are annealedto t+eircomplementaryse/uences on t+e

    target DNA. !0T!N1$ON %23() Ta/ polymerase

    %t+ermostable) is usedto synt+esise

    complementary

    US DAN TA+APAN PCR

    '% "# menelas*an rinsi $asar PCR

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    US DAN TA+APAN PCR

    '% "# menelas*an rinsi $asar PCR

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    RANCAN,AN PRIM&R PCR

    '% "- menelas*an erancanan rmer PCR

    Aspek yang +arus dipertimbangkan4

    urutan primerasal inormasi urutandata sekuens asam amino

    kode degenerasi genetik"rutan basa DNA yang tela+

    diketa+ui

    1intesis primer4Posisi 5obble6asa inosin

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    RANCAN,AN PRIM&R PCR

    '% "- menelas*an erancanan rmer PCR

    /i. 0." Primer $esin.  $n %a) t+e amino acid se/uenceand number o codons per amino acid are s+on. T+ose

    amino acids it+ 7 codons %circled) are best aoided. T+ebo*ed se/uence is t+ereore selected.

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    /i. 0." Primer $esin. $n %b) a mi*ed probe is synt+esisedby including t+e appropriate mi*ture o dNTPs or eac+degenerate position. Note t+at in t+is e*ample t+e fnaldegenerate position or proline is not included, giing anoligonucleotide it+ 38 bases %a 389mer). T+ere are :3;

    possible permutations o se/uence in t+e mi*ture.'% "- menelas*an erancanan rmer PCR

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    /i. 0." Primer $esin. $n %c) inosine %$) is used to replacet+e our9old degenerate bases, giing eig+t possiblese/uences.

    '% "- menelas*an erancanan rmer PCR

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    arian PCR2erse transcritase PCR (RT3PCR)

    P# menggunakan m#NA sebagai templatDigunakan dalam penentuan tingkat ekspresi

    gen Proses penyalinan m#NA memerlukan reerse

    transcriptase Primer Oligo%dT) digunakan untuk mensintesis

    untai pertama cDNA. Primer P# digunakan setela+ untai pertama

    cDNA disintesis

    '% "4 menelas*an reverse transcriptase PCR (RT3PCR)

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    /i. 0.# RT3PCR. %a) #eerse transcriptase is used to synt+esise a cDNAcopy o t+e m#NA. $n t+is e*ample oligo%dT)9primed synt+esis is s+on.%b) T+e cDNA product is amplifed using genespecifc primers. T+e initialP# synt+esis ill copy t+e cDNA to gie a duple* molecule, +ic+ is t+enamplifed in t+e usual ay. $n many kits aailable or #T9P# t+e entire

    procedure can be carried out in a single tube.'% "4 menelas*an reverse transcriptase PCR (RT3PCR)

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    . Neste$ PCR

    '% "0 menelas*an nested-PCR

    /i. 0.4 Neste$PCR.

    %a)1tandard P#amplifcation o aragment using aprimer pair.

    %b)$n t+e secondP#, a set oprimers t+at lieinside t+e frstpair is used toprime synt+esis oa s+orterragment. NestedP# can be used

    to increase t+e

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    . RAPD3PCR

    #andom amplifed polymorp+ic DNA

    P# %#APD9P#) didasarkan padapenempelan primer ekurangan #APD9P#4 reproduktibilitasrenda+, yaitu kesulitan untukmemperole+ tingkat penempelan yang

    sama pada percobaan berbeda.'% "8 menelas*an RAPD3PCR

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