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  1. 7 Δεκ 2022 · sequencing. ๏ Shotgun sequencing is the method that requires the following. steps: ๏ A long DNA molecule is broken into small pieces. (sonication = sound wav es); ๏ These small pieces are...

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  2. Sequencing DNA • Goal – obtain the string of bases that make a given DNA strand. • Problem –Typically one cans sequence directly only DNA of short length (400-700 bp – Sanger; <200 - Illumina). • Sequence assembly – the process of putting together the fragments.

  3. the DNA sequence. Automated DNA sequencing using fluorescent/infrared primer or terminator labeling and a variety of detection systems, coupled with software-based sequence determination, has greatly improved the ease, speed, accuracy, and reliability of DNA sequencing. Manual DNA sequencing methods are still used in some smaller laborato-

  4. uomustansiriyah.edu.iq › media › lecturesDNA Sequencing

    In 1976-1977, Allan Maxam and Walter Gilbert developed a DNA sequencing method based on chemical modification of DNA and subsequent cleavage at specific bases. The method requires radioactive labeling at one end of the purified DNA fragment that needs to be sequenced.

  5. A function of read length, number of reads, complexity of library, and size of genome. Assembling the sequence reads into a complete genome. A function of coverage, and repeat size (relative to read lengths) and repeat frequency.

  6. This review commemorates the 40th anniversary of DNA sequencing, a period in which we have already witnessed multiple technological revolutions and a growth in scale from a few kilobases to the first human genome, and now to millions of human and a myriad of other genomes.

  7. to read the bases, a process called sequencing by synthesis is used. Through a variety of cycles, the complement base pair is added to the strands of DNA, and the signal from that complement base pair is recorded. Then, the process is repeated to sequence the next base pair, and is repeated until the entire strand has been sequenced.

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