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Communication

First Report on Detection and Molecular Characterization of Adenoviruses in the Small Indian Mongoose (Urva auropunctata)

by
Kerry Gainor
1,
Anne A. M. J. Becker
1,
Yashpal S. Malik
2 and
Souvik Ghosh
1,*
1
Department of Biomedical Sciences, Ross University School of Veterinary Medicine, P.O. Box 334, 00265 Basseterre, St. Kitts and Nevis, West Indies
2
College of Animal Biotechnology, Guru Angad Dev Veterinary and Animal Science University, 141004 Ludhiana, India
*
Author to whom correspondence should be addressed.
Viruses 2021, 13(11), 2194; https://doi.org/10.3390/v13112194
Submission received: 20 October 2021 / Revised: 28 October 2021 / Accepted: 29 October 2021 / Published: 30 October 2021
(This article belongs to the Special Issue Enteric and Respiratory Viruses in Animals)
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Abstract

:
Using a broad-range nested PCR assay targeting the DNA-dependent DNA polymerase (pol) gene, we detected adenoviruses in 17 (20.48%) out of 83 fecal samples from small Indian mongooses (Urva auropunctata) on the Caribbean island of St. Kitts. All 17 PCR amplicons were sequenced for the partial pol gene (~300 bp, hereafter referred to as Mon sequences). Fourteen of the 17 Mon sequences shared maximum homology (98.3–99.6% and 97–98.9% nucleotide (nt) and deduced amino acid (aa) sequence identities, respectively) with that of bovine adenovirus-6 (species Bovine atadenovirus E). Mongoose-associated adenovirus Mon-39 was most closely related (absolute nt and deduced aa identities) to an atadenovirus from a tropical screech owl. Mon-66 shared maximum nt and deduced aa identities of 69% and 71.4% with those of atadenoviruses from a spur-thighed tortoise and a brown anole lizard, respectively. Phylogenetically, Mon-39 and Mon-66 clustered within clades that were predominated by atadenoviruses from reptiles, indicating a reptilian origin of these viruses. Only a single mongoose-associated adenovirus, Mon-34, was related to the genus Mastadenovirus. However, phylogenetically, Mon-34 formed an isolated branch, distinct from other mastadenoviruses. Since the fecal samples were collected from apparently healthy mongooses, we could not determine whether the mongoose-associated adenoviruses infected the host. On the other hand, the phylogenetic clustering patterns of the mongoose-associated atadenoviruses pointed more towards a dietary origin of these viruses. Although the present study was based on partial pol sequences (~90 aa), sequence identities and phylogenetic analysis suggested that Mon-34, Mon-39, and Mon-66 might represent novel adenoviruses. To our knowledge, this is the first report on the detection and molecular characterization of adenoviruses from the mongoose.

1. Introduction

Adenoviruses, members of the family Adenoviridae, are double-stranded DNA viruses that have been detected in a wide variety of vertebrates [1,2]. Although most adenovirus infections are asymptomatic or cause mild disease in immunocompetent hosts, certain adenoviruses have been associated with acute clinical conditions in humans and animals [1,3]. To date, the International Committee on Taxonomy of Viruses (ICTV) has formally recognized 6 genera and 86 species within the family Adenoviridae (https://talk.ictvonline.org/ictv-reports/ictv_9th_report/dsdna-viruses-2011/w/dsdna_viruses/93/adenoviridae, accessed on 10 October 2021). The genus Mastadenovirus and Aviadenovius consists of adenoviruses of mammalian and avian host origin, respectively [1,2]. Viruses belonging to the genus Atadenovirus have been reported in a wide range of animals, including birds, marsupials, reptiles (Order Squamata), ruminants, and a spur-thighed tortoise [2]. Members of the genus Siadenovirus have been detected in birds, a frog, and a few tortoise species [2]. The genus Ichtadenovirus is composed of a single adenovirus species from a fish (White sturgeon) [2]. The sixth, and most recently established genus, Testadenovirus, consists of adenoviruses from testudinoid turtles [2], (https://talk.ictvonline.org/ictv-reports/ictv_9th_report/dsdna-viruses-2011/w/dsdna_viruses/93/adenoviridae, accessed on 10 October 2021). Host–virus codivergence as well as occasional host-switching events have been hypothesized to influence the evolution of adenoviruses [2,4]. It has been proposed that the mastadenoviruses, aviadenoviruses, atadenoviruses, siadenoviruses, ichtadenoviruses, and testadenoviruses coevolved with mammals, birds, reptiles, amphibians, fish, and turtles, respectively, suggesting continuous coevolution of adenoviruses with their vertebrate hosts [5]. On the other hand, the phylogenetic clustering of adenoviruses from unrelated host species within a genus, especially the detection of atadenoviruses (thought to coevolve with reptiles) in birds and ruminants, appears to reflect past host switching events [2,4,6].
Mongooses (family Herpestidae) are small terrestrial carnivorous mammals [7,8]. Due to their scavenging and invasive behavior, mongooses have been known to stray into human habitats and those of other animals, posing a risk as potential reservoirs of viral pathogens [7,9,10]. Mongooses have been identified as an important enzootic carrier of the rabies virus [10] and a potential reservoir of the hepatitis E virus [9]. Among other viruses, Carnivore protoparvovirus 1, cowpox virus, circoviruses, cycloviruses, feline panleukopenia virus, gemycircularviruses, picobirnavirus, and thogoto virus have been detected in mongooses, albeit from single studies [11,12,13,14,15,16,17]. To date, there is a lack of information on adenoviruses circulating in mongoose populations. Although a previous study conducted PCR-based screening on lung tissue samples (n = 28) from the Egyptian mongoose (Herpestes ichneumon) using canine adenovirus-1 and -2 specific primers, none of the animals tested positive for adenoviruses [13]. We report here the first-time detection and molecular characterization of adenoviruses from the small Indian mongoose (Urva auropunctata).

2. Materials and Methods

Between April–July 2017, 83 fecal samples were collected from the rectum and distal part of the colon of apparently healthy small Indian mongooses that were trapped, euthanized, and necropsied under sterile conditions for an intestinal microbiome study on the Caribbean island of St. Kitts [18]. Total DNA was extracted using the QIAamp Fast DNA Stool Mini Kit (Qiagen Sciences, Germantown, MD, USA) following the manufacturer’s instructions. The samples were screened for the presence of adenoviruses using a nested PCR assay (targeting a short region (~320 bp) of the viral DNA-dependent DNA polymerase (pol) gene) as described previously [19].
The PCR amplicons were purified using the Wizard® SV Gel and PCR Clean-Up kit (Promega, Madison, WI, USA) following the instructions outlined by the manufacturer. Nucleotide (nt) sequences were obtained using the ABI Prism Big Dye Terminator Cycle Sequencing Ready Reaction Kit on an ABI 3730XL Genetic Analyzer (Applied Biosystems, Foster City, CA, USA). The standard BLASTN and BLASTP program (Basic Local Alignment Search Tool, www.ncbi.nlm.nih.gov/blast, accessed on 4 October 2021) was used to conduct a homology search for related nt and deduced amino acid (aa) sequences, respectively. Multiple alignment of the partial putative pol protein sequences (~90 aa) was performed using the CLUSTALW program (version ddbj, http://clustalw.ddbj.nig.ac.jp/, accessed on 4 October 2021) with default parameters. Phylogenetic analysis was carried out by the maximum likelihood (ML) method using the MEGA7 software [20], with the LG+I+G model of substitution and 1000 bootstrap replicates.

3. Results and Discussion

The island of St. Kitts (~69 square miles, human population of ~35,000) is home to a large population of the small Indian mongooses (~45,000) that thrive in wild and urban habitats (Figure 1 and Figure 2) [21]. Previously, we reported novel circoviruses, cycloviruses, and picobirnaviruses in the small Indian mongoose on St. Kitts [14,15]. These findings indicated that various viruses might be circulating in the island’s mongoose population, prompting us to screen the animals for adenoviruses. Since a previous study could not detect adenoviruses in mongooses using canine adenovirus-specific PCRs [13], we employed a broad-range nested PCR screening assay that has been used to amplify atadenoviruses, aviadenoviruses, mastadenoviruses, and siadenoviruses [19,22,23]. Seventeen (20.48%) of the 83 mongooses tested PCR positive for adenoviruses. All 17 PCR positive samples were sequenced for the partial pol gene (~300 nt, hereafter referred to as Mon sequences) and, using BLASTN analysis, shared maximum homology with adenoviruses from other host species.
Fourteen of the 17 Mon sequences shared maximum homology with that of bovine adenovirus-6 (BoAdv-6) (species Bovine atadenovirus E) strain 671130 (GenBank accession number JQ345700, isolated from a latent infection of a calf testicular cell culture) [24]. However, sample Mon-33 yielded a low quality nt sequence, whilst high quality sequences of shorter lengths (<250 nt) were obtained for Mon-14 and Mon-52. As a result, Mon-14, Mon-33, and Mon-52 were excluded from further analysis. The remaining 11 of the 14 Mon sequences shared maximum nt and deduced aa identities of 98.6–100% and 97.5–100%, respectively, between themselves, and 98.3–99.6% and 97.0–98.9%, respectively, with that of BoAdv-6 (Table 1). By phylogenetic analysis, these Mon sequences formed a single group with BoAdv-6, within the ruminant atadenovirus cluster (Figure 3).
Phylogenetically, atadenoviruses from birds, reptiles, and ruminants constitute separate lineages within the genus Atadenovirus [2]. Since atadenoviruses have been proposed to coevolve with reptiles, it has been hypothesized that the avian and ruminant lineages might have emerged from ancient host-switching events involving reptiles [2,4]. To our knowledge, this is the first report on atadenoviruses from carnivorous mammals that were closely related to ruminant atadenoviruses. Bovine adenovirus-6 has been detected in bovine urine, manure, and ground water [25]. Considering the feeding habits of the small Indian mongoose [7], it might be possible that the BoAdv-6-like mongoose-associated atadenoviruses were of dietary origin, resulting from consumption of contaminated cow dung, or water. The detection of four of the BoAdv-6-like viruses from a trapping location that serves as grazing area to cattle supported this observation. On the other hand, the remaining 10 BoAdv-6-like viruses were detected from sampling sites where ruminants are usually not present, warranting further investigation into the exact origin of these mongoose-associated atadenovirus strains.
Mongoose-associated adenovirus Mon-39 was most closely related to the partial pol sequence of an atadenovirus from a tropical screech owl (nt and deduced aa identities of 100%) [26], followed by atadenoviruses from reptiles (nt and deduced aa identities of 72.7% and 78.9–80%, respectively) (Figure 3, Table 1). Mongoose-associated adenovirus Mon-66 shared maximum nt and deduced aa identities of 69% and 71.4% with that of atadenoviruses from a spur-thighed tortoise and a brown anole lizard, respectively (Table 1) [27,28]. Phylogenetically, Mon-66 formed a distinct branch, near the tortoise atadenovirus, within a cluster that also consisted of atadenoviruses from anole lizards (Figure 3). Mon-39 and Mon-66 shared deduced aa identities of 66.6% between themselves, and 61.0–65.8% and 55.5–60.2%, respectively, with the BoAdv-6-like mongoose-associated atadenoviruses. It has been proposed that the atadenovirus from the tropical screech owl might have originated from a preyed reptile [26]. On the other hand, the source of the chelonian atadenovirus, associated with an infection of the digestive tract in the tortoise, could not be determined [28]. The tropical island of St. Kitts has a sizeable population of lizards (anole lizards and geckos) that are preyed upon by the small Indian mongoose (https://www.cbd.int/doc/world/kn/kn-nbsap-01-p5-en.pdf, accessed on 12 October 2021). Considering the phylogenetic clustering patterns (Figure 3) and that Mon-39 and Mon-66 were detected in fecal samples, we suspect that these mongoose-associated atadenoviruses might have originated from consumed lizards.
Although the small Indian mongoose is a carnivorous mammal, only a single mongoose-associated adenovirus, Mon-34, was related to the genus Mastadenovirus (Figure 3, Table 1). Mon-34 shared maximum nt and deduced aa identities of 72.0% and 72.6% with Desmodus rotundus adenovirus-1 (isolate PGT-0359, from a bat in Guatemala) and bowhead whale adenovirus strain BwAdV 12B22 (from a bowhead whale in Alaska, USA), respectively (Table 1) [29,30]. Phylogenetically, Mon-34 formed an isolated branch, distinct from other mastadenoviruses, within the genus Mastadenovirus (Figure 3). Based on sequence identities and phylogenetic analysis of partial pol, Mon-34 appeared to represent a separate lineage of mastadenoviruses that might be circulating in mongooses (Figure 3, Table 1). However, analysis of the complete genomes of several mongoose-associated mastadenoviruses might be required to corroborate this hypothesis.
Taken together, our findings revealed the wide distribution and genetic diversity of adenoviruses in the small Indian mongoose population on St. Kitts. Since the present study was based on fecal samples from apparently healthy mongooses, we could not determine if the mongoose-associated adenoviruses actually infected the host. On the other hand, the phylogenetic clustering patterns of the mongoose-associated atadenoviruses pointed more towards a dietary origin of these viruses (Figure 3). The partial pol sequences of mongoose-associated adenovirus Mon-34, Mon-39 (and that of tropical screech owl adenovirus 1), and Mon-66 shared low deduced aa identities with those of other adenoviruses (Table 1), and based on phylogenetic distance (≥29.6%, ≥23.2%, and ≥28.0%, respectively), might represent novel adenoviruses (Figure 3). However, the present study was based on short pol sequences (~90 aa), which is insufficient to obtain conclusive information on the evolution of the mongoose-associated adenoviruses. Although attempts were made to amplify the hexon gene of the mongoose-associated adenoviruses using broad-spectrum primers as described previously [31], none of the samples yielded positive results. Future studies based on the detection of adenovirus DNA in tissue samples and determination of the complete genomes of novel adenoviruses (that are difficult to amplify by conventional PCRs) using next generation sequencing technologies might be required to gain a proper understanding of the evolution and pathogenic potential of adenoviruses in mongoose populations. To our knowledge, this is the first report on detection and molecular characterization of adenoviruses from the mongoose.

Author Contributions

Conceptualization, K.G. and S.G.; collected samples, A.A.M.J.B.; secured funding, S.G.; contributed reagents, S.G.; screened samples, K.G. and S.G.; performed laboratory work, K.G. and S.G.; performed data analysis, K.G. and S.G.; wrote the manuscript, K.G. and S.G.; edited and finalized the manuscript, A.A.M.J.B., K.G., S.G. and Y.S.M. All authors have read and agreed to the published version of the manuscript.

Funding

The present study was funded by intramural grant # Viruses 41001-21 entitled Detection and molecular characterization of viruses in pigs and wildlife in the Caribbean and Central America from the One Health Center for Zoonoses and Tropical Veterinary Medicine, Ross University School of Veterinary Medicine, St. Kitts and Nevis.

Institutional Review Board Statement

This study was approved by the Institutional Animal Care and Use Committee (IACUC) of the Ross University School of Veterinary Medicine, St. Kitts and Nevis (IACUC protocol title: trapping and necropsy for mongoose microbial ecology study. Approved IACUC protocol number: 17.04.13, dated 13 April 2017).

Informed Consent Statement

Not applicable.

Data Availability Statement

Not applicable.

Acknowledgments

We would like to thank DVM research assistant/volunteers KC Hill, Vania Monsul, and Elizabeth Coloian from the Ross University School of Veterinary Medicine (RUSVM), St. Kitts and Nevis, for assisting with sampling/laboratory work, and Luis Cruz Martinez, RUSVM, for the photograph of the small Indian mongoose.

Conflicts of Interest

The authors declare no conflict of interest.

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Viruses 13 02194 g001 550
Figure 1. The small Indian mongoose (Urva auropunctata) on St. Kitts. The photograph of the small Indian mongoose was kindly provided by and used here with permission of Luis Cruz Martinez, Ross University School of Veterinary Medicine, St. Kitts and Nevis.
Figure 1. The small Indian mongoose (Urva auropunctata) on St. Kitts. The photograph of the small Indian mongoose was kindly provided by and used here with permission of Luis Cruz Martinez, Ross University School of Veterinary Medicine, St. Kitts and Nevis.
Viruses 13 02194 g001
Viruses 13 02194 g002 550
Figure 2. Geographical location of the Caribbean island of St. Kitts. The map was obtained from https://www.cia.gov/library/publications/the-world-factbook (Inset) (accessed on 1 April 2021). The mongoose trapping sites on St. Kitts. Blue and red indicate the trapping sites in the wild and urban habitats, respectively. The map was obtained from google maps (https://maps.google.com, accessed on 4 November 2019).
Figure 2. Geographical location of the Caribbean island of St. Kitts. The map was obtained from https://www.cia.gov/library/publications/the-world-factbook (Inset) (accessed on 1 April 2021). The mongoose trapping sites on St. Kitts. Blue and red indicate the trapping sites in the wild and urban habitats, respectively. The map was obtained from google maps (https://maps.google.com, accessed on 4 November 2019).
Viruses 13 02194 g002
Viruses 13 02194 g003 550
Figure 3. Phylogenetic analysis of the partial putative DNA-dependent DNA polymerase (pol) sequences (~90 amino acid (aa) residues) of the mongoose-associated adenoviruses with cognate adenovirus sequences from other host species. Mongoose-associated adenoviruses clustering within genus Atadenovirus are shown with black, blue, and red circles, respectively, whilst that related to mastadenoviruses is highlighted with a green circle. The tree was constructed by the maximum likelihood (ML) method using the MEGA7 software, with the LG+I+G model of substitution and 1000 bootstrap replicates. Unrooted calculation, the tree was rooted with red-eared slider adenovirus-1 (Genus Testadenovirus) for visualization. Scale bar, 0.5 substitutions per aa. Bootstrap values of <70 are not shown. Adv, adenovirus; Adv-U, unclassified Adenoviridae; AtAdv-U: unclassified Atadenovirus; BoAdv, bovine Adenovirus; BoAtAdv-E, Bovine atadenovirus E; BoMtAdv, bovine Mastadenovirus; CaMtAdv, canine Mastadenovirus; DrAdV, Desmodus rotundus adenovirus; DuAtAdv, duck Atadenovirus; DuAvAdv, duck Aviadenovirus; EqMtAdv, equine Mastadenovirus; FoAvAdv, fowl Aviadenovirus; HuMtAdv, human Mastadenovirus; ItAdv, Ichtadenovirus; LiAdv-2, lizard adenovirus 2; LiAtAdv-A, Lizard atadenovirus A; MtAdv-U, unclassified Mastadenovirus; MuMtAdv, murine Mastadenovirus; PoMtAdv-B, Porcine mastadenovirus B; SAdv, Siadenovirus; SiMtAdv, simian Mastadenovirus; SnAtAdv, snake Atadenovirus; TstAdv, Testadenovirus.
Figure 3. Phylogenetic analysis of the partial putative DNA-dependent DNA polymerase (pol) sequences (~90 amino acid (aa) residues) of the mongoose-associated adenoviruses with cognate adenovirus sequences from other host species. Mongoose-associated adenoviruses clustering within genus Atadenovirus are shown with black, blue, and red circles, respectively, whilst that related to mastadenoviruses is highlighted with a green circle. The tree was constructed by the maximum likelihood (ML) method using the MEGA7 software, with the LG+I+G model of substitution and 1000 bootstrap replicates. Unrooted calculation, the tree was rooted with red-eared slider adenovirus-1 (Genus Testadenovirus) for visualization. Scale bar, 0.5 substitutions per aa. Bootstrap values of <70 are not shown. Adv, adenovirus; Adv-U, unclassified Adenoviridae; AtAdv-U: unclassified Atadenovirus; BoAdv, bovine Adenovirus; BoAtAdv-E, Bovine atadenovirus E; BoMtAdv, bovine Mastadenovirus; CaMtAdv, canine Mastadenovirus; DrAdV, Desmodus rotundus adenovirus; DuAtAdv, duck Atadenovirus; DuAvAdv, duck Aviadenovirus; EqMtAdv, equine Mastadenovirus; FoAvAdv, fowl Aviadenovirus; HuMtAdv, human Mastadenovirus; ItAdv, Ichtadenovirus; LiAdv-2, lizard adenovirus 2; LiAtAdv-A, Lizard atadenovirus A; MtAdv-U, unclassified Mastadenovirus; MuMtAdv, murine Mastadenovirus; PoMtAdv-B, Porcine mastadenovirus B; SAdv, Siadenovirus; SiMtAdv, simian Mastadenovirus; SnAtAdv, snake Atadenovirus; TstAdv, Testadenovirus.
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Table
Table 1. Maximum/significant nucleotide (nt) and deduced amino acid (aa) identities (%) shared by the partial (~300 nt and ~90 aa, respectively) DNA-dependent DNA polymerase (pol) encoding sequences of the mongoose-associated adenoviruses with those from other host species.
Table 1. Maximum/significant nucleotide (nt) and deduced amino acid (aa) identities (%) shared by the partial (~300 nt and ~90 aa, respectively) DNA-dependent DNA polymerase (pol) encoding sequences of the mongoose-associated adenoviruses with those from other host species.
Mongoose-Associated AdenovirusGenBank Accession Number/sGenus 1Maximum/Significant Identity with Cognate Adenovirus Sequences
(Species 2/Organism (Isolate/Strain)/Host/Country/GenBank Accession Number) from Other Host Species
Nucleotide Sequence Identity (%) 3Deduced aa Sequence Identity (%) 4
Mon-16, Mon-18, Mon-20, Mon-31, Mon-32, Mon-42, Mon-47, Mon-51, Mon-57, Mon-58, Mon-65OK381854–OK381858, OK381861–OK381863, OK381865–OK381867Atadenovirus98.3–99.6% with Bovine atadenovirus E/
Bovine adenovirus-6 (671130)/Cow/Netherlands/JQ345700		97.0–98.9% with Bovine atadenovirus E/
Bovine adenovirus-6 (671130)/Cow/Netherlands/JQ345700
Mon-34OK381859Mastadenovirus72.0% with Unclassified Mastadenovirus/Desmodus rotundus Adenovirus-1 (DrAdV1/PGT-0359)/Bat/Guatemala/>KX774300
70.5% with Unclassified Mastadenovirus/Desmodus rotundus Adenovirus-2 (DrAdV2/PGT-0318)/Bat/Guatemala/KX774306		72.6% with Unclassified Adenoviridae/Bowhead whale adenovirus (BwAdV 12B22)/Bowhead whale/USA/MT461297
72.3% with Unclassified Mastadenovirus/Desmodus rotundus Adenovirus-1 (DrAdV1/PGT-0359)/Bat/Guatemala/KX774300 and Unclassified Mastadenovirus/Desmodus rotundus Adenovirus-2 (DrAdV2/PGT-0318)/Bat/Guatemala/KX774306
Mon-39OK381860Atadenovirus100% with Unclassified Atadenovirus/Tropical screech owl adenovirus-1 (VS203)/Owl/
Brazil/MN540447
72.7% with Lizard Atadenovirus-A/Lizard
adenovirus-2 (23-06)/Mexican beaded lizard/
Germany/KJ156523		100% with Unclassified Atadenovirus/Tropical screech owl adenovirus-1 (VS203)/Owl/
Brazil/MN540447
80.0% with Unclassified Atadenovirus/
Helodermatid adenovirus-1/Gila monster/USA/AY576680
78.9% with Lizard Atadenovirus-A/Lizard adenovirus-2 (23-06)/Mexican beaded lizard/
Germany/KJ156523
Mon-66OK381868Atadenovirus69.0% with Unclassified Atadenovirus/
Spur-thighed tortoise adenovirus-1 (6211)
/Tortoise/Spain/KT310086 5
68.7% with Unclassified Adenoviridae/
Anolis sagrei adenovirus-3 (ADV15)/Brown anole/Bahamas/MH558565
68.2% with Unclassified Adenoviridae/
Anolis sagrei adenovirus-6 (ADV27)/Brown anole/Cayman Islands/MH558568 		71.4% with Unclassified Adenoviridae/Anolis sagrei adenovirus-6 (ADV27)/Brown anole/Cayman Islands/MH558568
70.0% with Snake Atadenovirus-A/Snake adenovirus-2 (FL-2005)/California kingsnake/USA/FJ012163
70.0% with Unclassified Atadenovirus/
Spur-thighed tortoise adenovirus-1 (6211)/
Tortoise/Spain/KT310086
1 Based on sequence identities and phylogenetic analysis (Figure 3) of the partial pol sequences of the mongoose-associated adenoviruses. 2 As described in the NCBI Taxonomy Browser (https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=559881, accessed on 5 October 2021). 3, 4 Based on BLASTN 3 and BLASTP 4 analysis (Basic Local Alignment Search Tool, www.ncbi.nlm.nih.gov/blast, accessed on 4 October 2021). 5 Determined using the CLUSTALW program (version ddbj, http://clustalw.ddbj.nig.ac.jp/, accessed on 4 October 2021) with default parameters.
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Gainor, K.; Becker, A.A.M.J.; Malik, Y.S.; Ghosh, S. First Report on Detection and Molecular Characterization of Adenoviruses in the Small Indian Mongoose (Urva auropunctata). Viruses 2021, 13, 2194. https://doi.org/10.3390/v13112194

AMA Style

Gainor K, Becker AAMJ, Malik YS, Ghosh S. First Report on Detection and Molecular Characterization of Adenoviruses in the Small Indian Mongoose (Urva auropunctata). Viruses. 2021; 13(11):2194. https://doi.org/10.3390/v13112194

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Gainor, Kerry, Anne A. M. J. Becker, Yashpal S. Malik, and Souvik Ghosh. 2021. "First Report on Detection and Molecular Characterization of Adenoviruses in the Small Indian Mongoose (Urva auropunctata)" Viruses 13, no. 11: 2194. https://doi.org/10.3390/v13112194

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