Abstract:
:Mx proteins are antiviral GTPases, which are induced by type I IFN and virus infection. Analysis of the Atlantic salmon genome revealed the presence of 9 Mx genes localized to three chromosomes. A cluster of three Mx genes (SsaMx1 - SsaMx3), which includes previously cloned Mx genes, is present on chromosome (Chr) 12. A cluster of five Mx genes (SsaMx4-SsaMx8) is present on Chr25 while one Mx gene (SsaMx9) is present on Chr9. Phylogenetic and gene synteny analyses showed that SsaMx1-SsaMx3 are most closely related to the main group of teleost Mx proteins. In contrast, SsaMx 4-SsaMx9 formed a separate group together with zebrafish MxD and MxG and eel MxB. The Mx cluster in Chr25 showed gene synteny similar to a Mx gene cluster in the gar genome. Expression of Mx genes in cell lines stimulated with recombinant IFNs showed that Mx genes in Chr12 responded more strongly to type I IFN than to type II IFN (IFN gamma) whilst Mx genes in Chr25 responded more strongly to IFN gamma than to type I IFNs. SsaMx9 showed no response to the IFNs.
journal_name
Dev Comp Immunoljournal_title
Developmental and comparative immunologyauthors
Robertsen B,Greiner-Tollersrud L,Jørgensen LGdoi
10.1016/j.dci.2018.09.004subject
Has Abstractpub_date
2019-01-01 00:00:00pages
80-89eissn
0145-305Xissn
1879-0089pii
S0145-305X(18)30332-Xjournal_volume
90pub_type
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