Dataset Information

Hokkaido genotype of Puumala virus in the grey red-backed vole (Myodes rufocanus) and northern red-backed vole (Myodes rutilus) in Siberia.

ABSTRACT: Three species of Myodes voles known to harbor hantaviruses include the bank vole (Myodes glareolus), which serves as the reservoir host of Puumala virus (PUUV), the prototype arvicolid rodent-borne hantavirus causing hemorrhagic fever with renal syndrome (HFRS) in Europe, and the grey red-backed vole (Myodes rufocanus) and royal vole (Myodes regulus) which carry two PUUV-like hantaviruses, designated Hokkaido virus (HOKV) and Muju virus (MUJV), respectively. To ascertain the hantavirus harbored by the northern red-backed vole (Myodes rutilus), we initially screened sera from 233 M. rutilus, as well as from 90 M. rufocanus and 110 M. glareolus, captured in western and eastern Siberia during June 2007 to October 2009, for anti-hantaviral antibodies. Thereafter, lung tissues from 44 seropositive voles were analyzed for hantavirus RNA by reverse transcription-polymerase chain reaction. Partial L-, M- and S-segment sequences, detected in M. rutilus and M. rufocanus, were closely related to HOKV, differing from previously published L-, M- and S-segment sequences of HOKV by 17.8-20.2%, 15.9-23.4% and 15.0-17.0% at the nucleotide level and 2.6-7.9%, 1.3-6.3% and 1.2-4.0% at the amino acid level, respectively. Alignment and comparison of hantavirus sequences from M. glareolus trapped in Tyumen Oblast showed very high sequence similarity to the Omsk lineage of PUUV. Phylogenetic analysis, using neighbor-joining, maximal likelihood and Bayesian methods, showed that HOKV strains shared a common ancestry with PUUV and exhibited geographic-specific clustering. This report provides the first molecular evidence that both M. rutilus and M. rufocanus harbor HOKV, which might represent a genetic variant of PUUV.

SUBMITTER: Yashina LN

PROVIDER: S-EPMC4871597 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Hokkaido genotype of Puumala virus in the grey red-backed vole (Myodes rufocanus) and northern red-backed vole (Myodes rutilus) in Siberia.

Yashina Liudmila N LN Abramov Sergey A SA Dupal Tamara A TA Danchinova Galina A GA Malyshev Boris S BS Hay John J Gu Se Hun SH Yanagihara Richard R

Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 20150521

Three species of Myodes voles known to harbor hantaviruses include the bank vole (Myodes glareolus), which serves as the reservoir host of Puumala virus (PUUV), the prototype arvicolid rodent-borne hantavirus causing hemorrhagic fever with renal syndrome (HFRS) in Europe, and the grey red-backed vole (Myodes rufocanus) and royal vole (Myodes regulus) which carry two PUUV-like hantaviruses, designated Hokkaido virus (HOKV) and Muju virus (MUJV), respectively. To ascertain the hantavirus harbored ...[more]

PMID: 26003760

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Project description:BACKGROUND: Chemical communication in mammals involves globular lipocalins that protect and transport pheromones during their passage out of the body. Efficient communication via this protein - pheromone complex is essential for triggering multiple responses including aggression, mate choice, copulatory behaviour, and onset and synchronization of oestrus. The roles of lipocalins in communication were studied in many organisms and especially in mice (i.e. Mus musculus domesticus) which excrete Major Urinary Proteins (Mup) in excessive amounts in saliva and urine. Other mammals, however, often lack the genes for Mups or their expression is very low. Therefore, we aimed at characterization of candidate lipocalins in Myodes glareolus which are potentially linked to chemical communication. One of them is Aphrodisin which is a unique lipocalin that was previously described from hamster vaginal discharge and is known to carry pheromones stimulating copulatory behaviour in males. RESULTS: Here we show that Aphrodisin-like proteins exist in other species, belong to a group of Odorant Binding Proteins (Obp), and contrary to the expression of Aphrodisin only in hamster genital tract and parotid glands of females, we have detected these transcripts in both sexes of M. glareolus with the expression confirmed in various tissues including prostate, prepucial and salivary glands, liver and uterus. On the level of mRNA, we have detected three different gene variants. To assess their relevance for chemical communication we investigated the occurrence of particular proteins in saliva, urine and vaginal discharge. On the protein level we confirmed the presence of Obp2 and Obp3 in both saliva and urine. Appropriate bands in the range of 17-20 kDa from vaginal discharge were, however, beyond the MS detection limits. CONCLUSION: Our results demonstrate that three novel Obps (Obp1, Obp2, and Obp3) are predominant lipocalins in Myodes urine and saliva. On the protein level we have detected further variants and thus we assume that similarly as Major Urinary Proteins in mice, these proteins may be important in chemical communication in this Cricetid rodent.

Dataset Information

Hokkaido genotype of Puumala virus in the grey red-backed vole (Myodes rufocanus) and northern red-backed vole (Myodes rutilus) in Siberia.

Publications

Hokkaido genotype of Puumala virus in the grey red-backed vole (Myodes rufocanus) and northern red-backed vole (Myodes rutilus) in Siberia.

Similar Datasets

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