The first PCR cycle: The sequence between the two primers will be amplified

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PCR is another in vitro DNA synthesis reaction The twist in this case is that the reaction is repeated 25-30 times so that the DNA between the primers is amplified. The first PCR cycle: The sequence between the two primers will be amplified. Four cycles of PCR. - PowerPoint PPT Presentation

Transcript of The first PCR cycle: The sequence between the two primers will be amplified

Page 1: The first PCR cycle: The sequence between the two primers will be amplified
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PCR is another in vitro DNA synthesis reactionThe twist in this case is that the reaction is repeated 25-30 times so that the DNA between

the primers is amplified

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The first PCR cycle:The sequence between the two primers will be

amplified

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Four cycles of PCR

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Copy number of the sequence between the primers increases exponentially

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SEQUENCIAMENTO DE DNA

Profa. Dra. Maria Aparecida Fernandez

Depto de Biologia Celular e Genética

Universidade Estadual de Maringá

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Structure of dideoxynucleotide triphosphates

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Dideoxy DNA sequencing is an in vitro DNA synthesis reaction with a twist

DNAP requires a template and a primer

The [ddNTP] determines the distribution of chain lengths produced.

The primer is labeled so the DNA fragments synthesized can be detected by autoradiography.

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TGGCTCGGCCTCAAGTCGAGGTTATCAGATCTGCAACTCAA

Alto peso molecular

Baixo peso molecular

Filme de raio X

Auto-radiograma

Leitura manual

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Automated DNA Sequencing

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Reação de seqüênciamentoReação de seqüênciamento

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Fragmentos amplificados na reação de seqüênciamentoFragmentos amplificados na reação de seqüênciamento

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Typical output of an automated sequencer

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Eletroforese no seqüênciamentoEletroforese no seqüênciamento

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Captura do fluorescente e processamento da informaçãoCaptura do fluorescente e processamento da informação

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Seqüenciador automáticoSeqüenciador automático

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Panorama no momento da corrida

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Análise preliminar pós corrida

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ELETROFEROGRAMAS