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Mar 10, 2026 04:13 PM
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bioinfor/seq01/01
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Bioinformatics
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Following 2005, second-generation sequencing and third-generation sequencing emerged. How do they differ from first-generation sequencing, and in what aspects have they evolved?
Following 2005, second-generation sequencing and third-generation sequencing emerged. How do they differ from first-generation sequencing, and in what aspects have they evolved?
 
454 Sequencing
 

454 Sequencing

Procedure:
  1. Library Preparation
      2. Randomly fragment DNA into 400–800 bp pieces (using physical or enzymatic methods)
      Addition of adapter sequences to the ends of short fragments
  1. PCR Amplification: Emulsion PCR Amplification
      2. notion image
 
Physical → Ultrasonication, random fragmentation, duration, energy level
Enzymatic → sticky ends or adapters
 
 
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Lin Liu
Lin Liu
A current master student in bioinformatics.
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