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Adaptations of interferon regulatory factor 3 with transition from terrestrial to aquatic life.

Peer Reviewed


Details

  • Personal Author:
  • Description:
    Interferon regulatory factor 3 (IRF3) and IRF7 are closely related IRF members and the major factors for the induction of interferons, a key component in vertebrate innate immunity. However, there is limited knowledge regarding the evolution and adaptation of those IRFs to the environments. Two unique motifs in IRF3 and 7 were identified. One motif, GASSL, is highly conserved throughout the evolution of IRF3 and 7 and located in the signal response domain. Another motif, DPHK, is in the DNA-binding domain. The ancestral protein of IRF3 and 7 seemed to possess the DPHK motif. In the ray-finned fish lineage, while the DPHK is maintained in IRF7, the motif in IRF3 is changed to NPHK with a D --> N amino acid substitution. The D --> N substitution are also found in amphibian IRF3 but not in amphibian IRF7. Terrestrial animals such as reptiles and mammals predominantly use DPHK sequences in both IRF3 and 7. However, the D --> N substitution in IRF3 DPHK is again found in cetaceans such as whales and dolphins as well as in marsupials. These observations suggest that the D --> N substitutions in the IRF3 DPHK motif is likely to be associated with vertebrate's adaptations to aquatic environments and other environmental changes. Description provided by NIOSH
  • Subjects:
  • Keywords:
  • ISSN:
    2045-2322
  • Document Type:
  • Funding:
  • Genre:
  • Place as Subject:
  • CIO:
  • Topic:
  • Location:
  • Volume:
    10
  • NIOSHTIC Number:
    nn:20065149
  • Citation:
    Sci Rep 2020 Mar; 10:4508
  • Contact Point Address:
    Etsuko N. Moriyama, School of Biological Sciences, University of Nebraska, Lincoln, NE, 68588, USA
  • Email:
    emoriyama2@unl.edu
  • Federal Fiscal Year:
    2020
  • NORA Priority Area:
  • Performing Organization:
    University of Nebraska Medical Center - Omaha
  • Peer Reviewed:
    True
  • Start Date:
    20110901
  • Source Full Name:
    Scientific Reports
  • End Date:
    20270831
  • Download URL:
  • File Type:
    Filetype[PDF - 3.65 MB]
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:9abe9744fd0ab2d4c30559bf747dcaa4f178eafd2356f64e8e2675a8e6e7d35813f7d050684386034e5dbd219435cb43e31616bbf80bd1943bbda7c7df3f5daf
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