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Design and Synthesis of New Acid Cleavable Linkers for DNA Sequencing by Synthesis

  • Min Jiang
  • , Daonian Tang
  • , Xiaodong Zhao
  • , Qing Li
  • , Yuan Zhuang
  • , Xiaofei Wei
  • , Xiaowei Li
  • , Yazhi Liu
  • , Xin Yan Wu
  • , Zhifeng Shao
  • , Bing Gong
  • , Yu Mei Shen
  • Shanghai Jiao Tong University
  • East China University of Science and Technology

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A new kind of acid sensitive tetrahydrofuranyl (THF) linker was synthesized and then reacted with 5-(6)-carboxytetramethylrhodaminesuccinimidyl ester (5(6)-TAMRA, SE), followed by di(N-succinimidyl) carbonate (DSC) and modified 2′-deoxyuridine triphosphate (dUTP); the final product, as a reversible terminator for DNA sequencing by synthesis (DNA SBS), was given obtained and confirmed by 1H-NMR, 31P-NMR, and HRMS with purity of up to 99%. The synthesized dye-labeled terminator incorporated into DNA strand successfully, and the fluorophore was cleaved completely under acidic conditions. The preliminary results encourage us to explore more acid-sensitive linkers for DNA SBS to increase the cleavage efficiency under weakly acidic conditions.

Original languageEnglish
Pages (from-to)774-785
Number of pages12
JournalNucleosides, Nucleotides and Nucleic Acids
Volume33
Issue number12
DOIs
StatePublished - Dec 2 2014

Keywords

  • fluorescent base analogues
  • syntheticmethodology
  • Triphosphate analogues

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