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van der Kuyl AC. Contemporary Distribution, Estimated Age, and Prehistoric Migrations of Old World Monkey Retroviruses. EPIDEMIOLGIA (BASEL, SWITZERLAND) 2021; 2:46-67. [PMID: 36417189 PMCID: PMC9620922 DOI: 10.3390/epidemiologia2010005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/18/2021] [Accepted: 01/29/2021] [Indexed: 12/14/2022]
Abstract
Old World monkeys (OWM), simians inhabiting Africa and Asia, are currently affected by at least four infectious retroviruses, namely, simian foamy virus (SFV), simian immunodeficiency virus (SIV), simian T-lymphotropic virus (STLV), and simian type D retrovirus (SRV). OWM also show chromosomal evidence of having been infected in the past with four more retroviral species, baboon endogenous virus (BaEV), Papio cynocephalus endogenous virus (PcEV), simian endogenous retrovirus (SERV), and Rhesus endogenous retrovirus-K (RhERV-K/SERV-K1). For some of the viruses, transmission to other primates still occurs, resulting, for instance, in the HIV pandemic. Retroviruses are intimately connected with their host as they are normally spread by close contact. In this review, an attempt to reconstruct the distribution and history of OWM retroviruses will be made. A literature overview of the species infected by any of the eight retroviruses as well as an age estimation of the pathogens will be given. In addition, primate genomes from databases have been re-analyzed for the presence of endogenous retrovirus integrations. Results suggest that some of the oldest retroviruses, SERV and PcEV, have travelled with their hosts to Asia during the Miocene, when a higher global temperature allowed simian expansions. In contrast, younger viruses, such as SIV and SRV, probably due to the lack of a primate continuum between the continents in later times, have been restricted to Africa and Asia, respectively.
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Affiliation(s)
- Antoinette C van der Kuyl
- Laboratory of Experimental Virology, Department of Medical Microbiology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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Yee JL, Grant RF, Van Rompay KKA, Roberts JA, Kuller L, Cunningham JL, Simmons JH, Papin JF. In vitro and In vivo Susceptibility of Baboons ( Papio sp.) to Infection with and Apparent Antibody Reactivity to Simian Betaretrovirus (SRV). Comp Med 2020; 70:75-82. [PMID: 31747991 PMCID: PMC7024778 DOI: 10.30802/aalas-cm-19-000014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 03/04/2019] [Accepted: 04/19/2019] [Indexed: 11/05/2022]
Abstract
Despite the lack of confirmed reports of an exogenous Simian betaretrovirus (SRV) isolated from baboons (Papio sp.), reports of simian endogenous gammaretrovirus (SERV) in baboons with complete genomes suggest that such viruses may be potentially infectious. In addition, serologic tests have repeatedly demonstrated antibody reactivity to SRV in baboons from multiple colonies. These findings complicate the management and use of such animals for research. To provide further insight into this situation, we performed in vitro and in vivo studies to determine if baboons are or can be infected with SRV. In our initial experiment, we were not able to isolate SRV from 6 seropositive or sero-indeterminate baboons by coculturing their peripheral blood mononuclear cells (PBMC) with macaque PBMC or permissive cell lines. In a subsequent experiment, we found that baboon PBMC infected in vitro with high dose SRV were permissive to virus replication. To test in vivo infectibil- ity, groups of naive baboons were infused intravenously with either (i) the same SRV tissue culture virus stocks used for the in vitro studies, (ii) SRV antibody positive and PCR positive macaque blood, (iii) SRV antibody positive or indeterminate, but PCR negative baboon blood, or (iv) SRV antibody and PCR negative baboon blood. Sustained SRV infection, as defined by reproducible PCR detection and/or antibody seroconversion, was confirmed in 2 of 3 baboons receiving tissue culture virus but not in any recipients of transfused blood from seropositive macaques or baboons. In conclusion, the data indicate that even though baboon cells can be infected experimentally with high doses of tissue culture grown SRV, baboons that are repeatedly SRV antibody positive and PCR negative are unlikely to be infected with exogenous SRV and thus are unlikely to transmit a virus that would threaten the SPF status of captive baboon colonies.
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Affiliation(s)
- JoAnn L Yee
- California National Primate Research Center, University of California, Davis, California
| | - Richard F Grant
- Washington National Primate Research Center, University of Washington, Seattle, Washington
| | - Koen K A Van Rompay
- California National Primate Research Center, University of California, Davis, California
| | - Jeffrey A Roberts
- California National Primate Research Center, University of California, Davis, California
| | - LaRene Kuller
- Washington National Primate Research Center, University of Washington, Seattle, Washington
| | - Jesse L Cunningham
- California National Primate Research Center, University of California, Davis, California
| | - Joe H Simmons
- Michale E. Keeling Center for Comparative Medicine and Research, University of Texas MD Anderson Cancer Center, Bastrop, Texas; and
| | - James F Papin
- Department of Pathology, Division of Comparative Medicine, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma
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Population dynamics of rhesus macaques and associated foamy virus in Bangladesh. Emerg Microbes Infect 2013; 2:e29. [PMID: 26038465 PMCID: PMC3675400 DOI: 10.1038/emi.2013.23] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Revised: 03/11/2013] [Accepted: 03/14/2013] [Indexed: 11/16/2022]
Abstract
Foamy viruses are complex retroviruses that have been shown to be transmitted from nonhuman primates to humans. In Bangladesh, infection with simian foamy virus (SFV) is ubiquitous among rhesus macaques, which come into contact with humans in diverse locations and contexts throughout the country. We analyzed microsatellite DNA from 126 macaques at six sites in Bangladesh in order to characterize geographic patterns of macaque population structure. We also included in this study 38 macaques owned by nomadic people who train them to perform for audiences. PCR was used to analyze a portion of the proviral gag gene from all SFV-positive macaques, and multiple clones were sequenced. Phylogenetic analysis was used to infer long-term patterns of viral transmission. Analyses of SFV gag gene sequences indicated that macaque populations from different areas harbor genetically distinct strains of SFV, suggesting that geographic features such as forest cover play a role in determining the dispersal of macaques and SFV. We also found evidence suggesting that humans traveling the region with performing macaques likely play a role in the translocation of macaques and SFV. Our studies found that individual animals can harbor more than one strain of SFV and that presence of more than one SFV strain is more common among older animals. Some macaques are infected with SFV that appears to be recombinant. These findings paint a more detailed picture of how geographic and sociocultural factors influence the spectrum of simian-borne retroviruses.
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Comprehensive in vitro analysis of simian retrovirus type 4 susceptibility to antiretroviral agents. J Virol 2013; 87:4322-9. [PMID: 23365453 DOI: 10.1128/jvi.03208-12] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Simian retrovirus type 4 (SRV-4), a simian type D retrovirus, naturally infects cynomolgus monkeys, usually without apparent symptoms. However, some infected monkeys presented with an immunosuppressive syndrome resembling that induced by simian immunodeficiency virus infection. Antiretrovirals with inhibitory activity against SRV-4 are considered to be promising agents to combat SRV-4 infection. However, although some antiretrovirals have been reported to have inhibitory activity against SRV-1 and SRV-2, inhibitors with anti-SRV-4 activity have not yet been studied. In this study, we identified antiretroviral agents with anti-SRV-4 activity from a panel of anti-human immunodeficiency virus (HIV) drugs using a robust in vitro luciferase reporter assay. Among these, two HIV reverse transcriptase inhibitors, zidovudine (AZT) and tenofovir disoproxil fumarate (TDF), potently inhibited SRV-4 infection within a submicromolar to nanomolar range, which was similar to or higher than the activities against HIV-1, Moloney murine leukemia virus, and feline immunodeficiency virus. In contrast, nonnucleoside reverse transcriptase inhibitors and protease inhibitors did not exhibit any activities against SRV-4. Although both AZT and TDF effectively inhibited cell-free SRV-4 transmission, they exhibited only partial inhibitory activities against cell-to-cell transmission. Importantly, one HIV integrase strand transfer inhibitor, raltegravir (RAL), potently inhibited single-round infection as well as cell-free and cell-to-cell SRV-4 transmission. These findings indicate that viral expansion routes impact the inhibitory activity of antiretrovirals against SRV-4, while only RAL is effective in suppressing both the initial SRV-4 infection and subsequent SRV-4 replication.
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Abstract
This review is an updated summary of nearly 30 years of SRV history and provides new and critical findings of original research accomplished in the last 5 years including, but not limited to, the pathogenetic mechanisms underlying the origin of hematopoietic abnormalities observed in infected hosts and proposed new SRV serotypes. Despite major advances in the understanding and control of SRV disease, much more remains to be learned and SRV continues to be an exciting and attractive primate model for comparative studies of the mechanisms of retroviral immunosuppression.
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Affiliation(s)
- N A Montiel
- California National Primate Research Center, University of California, Davis, CA 95616-8542, USA.
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Zao CL, Armstrong K, Tomanek L, Cooke A, Berger R, Estep JS, Marx PA, Trask JS, Smith DG, Yee JL, Lerche NW. The complete genome and genetic characteristics of SRV-4 isolated from cynomolgus monkeys (Macaca fascicularis). Virology 2010; 405:390-6. [PMID: 20615522 DOI: 10.1016/j.virol.2010.06.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2010] [Revised: 04/15/2010] [Accepted: 06/14/2010] [Indexed: 11/28/2022]
Abstract
At least 5 serotypes of exogenous simian retrovirus type D (SRV/D) have been found in nonhuman primates, but only SRV-1, 2 and 3 have been completely sequenced. SRV-4 was recovered once from cynomolgus macaques in California in 1984, but its genome sequences are unknown. Here we report the second identification of SRV-4 and its complete genome from infected cynomolgus macaques with Indochinese and Indonesian/Indochinese mixed ancestry. Phylogenetic analysis demonstrated that SRV-4 was distantly related to SRV-1, 2, 3, 5, 6 and 7. SRV/D-T, a new SRV/D recovered in 2005 from cynomolgus monkeys at Tsukuba Primate Center in Japan, clustered with the SRV-4 isolates from California and Texas and was shown to be another occurrence of SRV-4 infection. The repeated occurrence of SRV-4 in cynomolgus monkeys in different areas of the world and across 25years suggests that this species is the natural host of SRV-4.
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Riaz AM, Khawaja BA, Muhammad SA, Naeem ID. Habitat Utilization and Feeding Biology of Himalayan Grey Langur ( Semnopithecus entellus ajex) in Machiara National Park, Azad Jammu and Kashmir, Pakistan. Zool Res 2010; 31:177-88. [DOI: 10.3724/sp.j.1141.2010.02177] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Karanth KP, Singh L, Stewart CB. Mitochondrial and nuclear markers suggest Hanuman langur (Primates: Colobinae) polyphyly: implications for their species status. Mol Phylogenet Evol 2009; 54:627-33. [PMID: 19897046 DOI: 10.1016/j.ympev.2009.10.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2008] [Revised: 10/09/2009] [Accepted: 10/29/2009] [Indexed: 11/18/2022]
Abstract
Recent molecular studies on langurs of the Indian subcontinent suggest that the widely-distributed and morphologically variable Hanuman langurs (Semnopithecus entellus) are polyphyletic with respect to Nilgiri and purple-faced langurs. To further investigate this scenario, we have analyzed additional sequences of mitochondrial cytochrome b as well as nuclear protamine P1 genes from these species. The results confirm Hanuman langur polyphyly in the mitochondrial tree and the nuclear markers suggest that the Hanuman langurs share protamine P1 alleles with Nilgiri and purple-faced langurs. We recommend provisional splitting of the so-called Hanuman langurs into three species such that the taxonomy is consistent with their evolutionary relationships.
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Affiliation(s)
- K Praveen Karanth
- Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560012, India.
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White JA, Todd PA, Rosenthal AN, Yee JL, Grant R, Lerche NW. Development of a generic real-time PCR assay for simultaneous detection of proviral DNA of simian Betaretrovirus serotypes 1, 2, 3, 4 and 5 and secondary uniplex assays for specific serotype identification. J Virol Methods 2009; 162:148-54. [PMID: 19664660 DOI: 10.1016/j.jviromet.2009.07.030] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2009] [Revised: 07/23/2009] [Accepted: 07/28/2009] [Indexed: 11/28/2022]
Abstract
Simian betaretroviruses (formerly Type D retroviruses; SRV) are a group of closely related retroviruses for which the natural host species are Asian monkeys of the genus Macaca. Five serotypes have been identified by classical neutralization assays and three additional untyped variants have been reported (SRV(Tsukuba), SRV-6, SRV-7). These viruses may be significant pathogens in macaque colonies, causing a broad spectrum of clinical disease secondary to viral-induced immune suppression. Undetected SRV infections in research macaques also represent a potential confounding variable in research protocols and a concern for human caretakers. Intensive testing efforts have been implemented to identify infected animals in established colonies. A real-time quantitative generic multiplex PCR assay was developed that is capable of simultaneous detection of proviral DNA of SRV serotypes 1, 2, 3, 4 and 5. This assay incorporates amplification of the oncostatin M (OSM) gene for confirmation of amplifiable DNA and allows quantitation of the number of proviral copies per cell analyzed in each multiplex reaction. Detection of multiple serotypes by PCR increases the efficiency and cost-effectiveness of SRV screening programs. A panel of SRV serotype-specific uniplex real-time PCR assays for discrimination among the five recognized serotypes is also described.
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Affiliation(s)
- Jessica A White
- California National Primate Research Center, University of California, Davis, CA 95616, USA.
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Nandi JS, Van Dooren S, Chhangani AK, Mohnot SM. New Simian β Retroviruses from Rhesus Monkeys (Macaca Mulatta) and Langurs (Semnopithecus Entellus) from Rajasthan, India. Virus Genes 2006; 33:107-16. [PMID: 16791425 DOI: 10.1007/s11262-005-0032-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2005] [Accepted: 11/16/2005] [Indexed: 11/26/2022]
Abstract
Natural infection of feral Indian rhesus monkeys (Macaca mulatta) by a new simian beta retrovirus, provisionally called simian retrovirus-7 (SRV-7) is described. The virus is capable of in vitro replication in primary human peripheral blood lymphocytes (PBL) and B and T cell lines. We have earlier reported a novel SRV, SRV-6 from Indian langurs (Semnopithecus entellus). Additional sequence analyses from gp20 transmembrane (TM) env genes of SRV-6 and SRV-7 place them in a separate cluster, related to but distinct from known exogenous SRVs and also close to the simian endogenous beta retrovirus, (SERV) from African baboon. Phylogenetic analyses of pol gene of SRV-7 place it closer to SERV when the stop codons of the SERV genes are removed. On the other hand, additional sequence data from gp70, surface glycoprotein (SU) region of the env gene of SRV-6 suggest it is more closely related to known exogenous SRVs, (SRV-1 to 3). It is also related to the endogenous langur virus, Po-1-Lu. We hypothesize that SRV-6 and SRV-7 probably originated from a progenitor exogenous SRV which recombined with an endogenous SERV in the TM env and pol genes during evolution, based on the phylogenetic analyses.
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Affiliation(s)
- Jayashree S Nandi
- Lovelace Respiratory Research Institute, 2425 Ridgecrest Drive, SE, Albuquerque, NM 87108, USA.
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Hara M, Sata T, Kikuchi T, Nakajima N, Uda A, Fujimoto K, Baba T, Mukai R. Isolation and characterization of a new simian retrovirus type D subtype from monkeys at the Tsukuba Primate Center, Japan. Microbes Infect 2005; 7:126-31. [PMID: 15716073 DOI: 10.1016/j.micinf.2004.08.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2004] [Revised: 08/24/2004] [Accepted: 08/30/2004] [Indexed: 10/26/2022]
Abstract
Exogenous type D simian retroviruses (SRV/D) are prevalent in captive and feral populations of various macaque monkeys. Thus far, five subtypes of SRV/Ds have been reported, three of which (SRV-1, -2 and -3) have been molecularly characterized. Two SRV/D strains (N27 and T150) were isolated from seropositive cynomolgus macaques at the Tsukuba Primate Center (TPC) in Japan, showing clinical signs of SRV/D infection, including anemia and persistent unresponsive diarrhea. Electron microscopy demonstrated that both SRV/D isolates have a virion morphology typical of type D retrovirus. The SRV/D N27 and T150 isolates were essentially the same based on sequence analysis. From homology analysis of the entire gag sequence, the N27 isolate is closely related to the other known SRV/Ds but is distinct from the three molecularly characterized SRV/Ds. Thus, we have tentatively designated the N27 and T150 viruses isolated from TPC cynomolgus macaques as SRV/D-Tsukuba (SRV/D-T).
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Affiliation(s)
- Masayuki Hara
- Tsukuba Primate Center for Medical Science, National Institute Infectious Diseases, 1 Hachimanndai, Tsukuba 305-0843, Japan
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