Class* | Virus family | Virus | Type of nucleic acid |
TLR (or RNA helicases) | Possible immune evasion mechanism |
---|---|---|---|---|---|
I | Herpesviridae | Herpes Simplex Virus | ds DNA, enveloped | TLR2 [49,50], TLR3 [52], ΤLR7 [53], TLR9 [54] | |
Varicella Zoster Virus | ds DNA, enveloped | TLR2 [48] | |||
Cytomegalovirus | ds DNA, enveloped | TLR2/CD14 [42], TLR3 [20,45], TLR9 [45] | |||
Epstein Barr Virus | ds DNA, enveloped | TLR2 [9], TLR7 [71] | EBV manipulates TLR7 signaling [71] | ||
Poxviridae | Vaccinia Virus | ds DNA, complex coats | TLR2 [68] | N1L inhibits NFkB and IRF3 signaling [104] | |
A52R and A46R inhibit TIR signaling and NFkB activation [100,101,103] | |||||
Adenoviridae | Adenovirus | ds DNA, naked | TLR9 [61,63] | ||
Papovaviridae | Papillomavirus | ds circular DNA, naked | MyD88 [66], TLR7 [67] | ||
II | Parvoviridae | Parvovirus (Adeno-associated) | ss DNA, naked | TLR9 [112] | |
III | Reoviridae | Reovirus | ds RNA, segm., naked | TLR3 [20], RIG-I, MDA5 [39] | |
IV | Picornaviridae | Rhinovirus | ss RNA | TLR3 [22] | |
Encephalomyocarditis virus | ss RNA | MDA5 [38] | |||
Hepatitis A virus | ss RNA | MDA5 [38] | 3ABC cleavage of MAVS [113] | ||
Flaviviridae | Hepatitis C virus | ss RNA, enveloped | TLR2 [80], TLR3[98], TLR4 [81], TLR7 [80][77,78], | NS3/4A cleavage of TRIF [98] and MAVS [88] | |
TLR2/1, TLR2/6 [85], RIG-I [99] | NS5A interacts with MyD88 and impairs TLR signaling [87] | ||||
West Nile virus | ss RNA, enveloped | TLR3 (TNFa) [23] | |||
Japanese encephalitis virus | ss RNA, enveloped | RIG-I [38] | |||
Dengue virus | ss RNA, enveloped | RIG-I, MDA5 [39] | |||
V | Orthomyxoviridae | Influenza virus | ss RNA, segm, enveloped | TLR3 [33], TLR7 [27,29], RIG-1 [35,38,39] | NS1 protein inhibits function of RIG-I [96] |
Paramyxoviridae | Measles virus | ss RNA, enveloped | TLR2 [115], TLR4 [95] | P protein suppresses TLR signaling through upregulation of A20 [95] | |
Respiratory syncytial virus | ss RNA, enveloped | TLR4 [7,36], TLR3 [33], TLR7/MyD88 [116],RIG-I [39] | |||
Sendai virus | ss RNA | TLR7/8 [40], RIG-1 [38] | V protein binds to MDA5 and inhibits its activity [94] | ||
Newcastle Disease virus | ss RNA | RIG-1 [38] | |||
Rhabdoviridae | Vesicular Stomatitis virus | ss RNA | TLR3 [20], TLR7/MyD88 [29], RIG-1 [38] | ||
Arenaviridae | Lymphocytic Choriomeningitis Virus LCMV | ss RNA, 2 RNAs | TLR3 [20] | ||
VI | Retroviridae | HIV | ss RNA, enveloped | TLR7/8 [72,73] | |
HTLV | ss RNA, enveloped | MyD88 [74], TLR4 [75] | p30 interferes with TLR4 signaling [75] | ||
MMTV | ss RNA, enveloped | TLR4 [76] | |||
VII | Hepadnaviridae | Hepatitis B virus | ds circular | TLR2 [91,92], TLR3 [93], TLR4, TLR5, TLR7 [91] |