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iridoviridae
double-stranded DNA viruses
Epidemiology:
- amphibians, fish, invertebrates, lepidoptera, & orthoptera insects serve as natural hosts [1]
- found in human blood & feces [2]
Physiology:
- genes produce peptide hormones that closely resemble human insulin & insulin-like growth factors [2]
- these peptides bind to human insulin receptor & IGF-1 receptor & stimulate downstream signaling
General
DNA virus
Properties
KINGDOM: virus
GENOME-TYPE: deoxyribonucleic acid (DNA)
DOUBLE-STRANDED
GENOME-SIZE: 150-303 kB
ENVELOPE: SOME
CAPSID-SYMMETRY: ICOSAHEDRAL
References
- Wikipedia: Iridoviridae
https://en.wikipedia.org/wiki/Iridoviridae
- Altindis E, Cai W, Sakaguchi M et al.
Viral insulin-like peptides activate human insulin and IGF-1
receptor signaling: A paradigm shift for host-microbe
interactions.
Proc Natl Acad Sci U S A 2018 Mar 6; 115:2461.
PMID: 29467286
http://www.pnas.org/content/115/10/2461