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Mixed infection of ITPase-encoding potyvirid and secovirid in Mercurialis perennis: evidences for a convergent euphorbia-specific viral counterstrike.

Mathieu MahillonJustine BrodardNathalie DubuisPaul GugerliArnaud G BlouinOlivier Schumpp
Published in: Virology journal (2024)
Three new RNA viruses infecting M. perennis are described, two of which encoding for ITPases. These enzymes have distinct origins, and are likely required by viruses to circumvent high level of cytoplasmic non-canonical nucleotides. This putative plant defense mechanism has emerged early in the evolution of euphorbias, and seems to specifically target certain groups of RNA viruses infecting perennial hosts.
Keyphrases
  • sars cov
  • nucleic acid
  • cell wall