Nature Communications (Nov 2019)

7-Deazaguanine modifications protect phage DNA from host restriction systems

  • Geoffrey Hutinet,
  • Witold Kot,
  • Liang Cui,
  • Roman Hillebrand,
  • Seetharamsingh Balamkundu,
  • Shanmugavel Gnanakalai,
  • Ramesh Neelakandan,
  • Alexander B. Carstens,
  • Chuan Fa Lui,
  • Denise Tremblay,
  • Deborah Jacobs-Sera,
  • Mandana Sassanfar,
  • Yan-Jiun Lee,
  • Peter Weigele,
  • Sylvain Moineau,
  • Graham F. Hatfull,
  • Peter C. Dedon,
  • Lars H. Hansen,
  • Valérie de Crécy-Lagard

DOI
https://doi.org/10.1038/s41467-019-13384-y
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 12

Abstract

Read online

Viral genomic DNA is often modified to evade the host bacterial restriction system. Here the authors identified 2′-deoxy-7-deazaguanine modifications on phage DNA by comparative genomics and experimental validation, showing their role in genome protection.