Abstract
Sequence analysis of the full-length medium segment and the partial small and large segments of a hantavirus, detected by reverse transcription–PCR in lung tissues of the Chinese mole shrew (Anourosorex squamipes) captured in Cao Bang Province, Vietnam, in December 2006, indicated that it is genetically distinct from rodentborne hantaviruses.
Highlights
Sequence analysis of the full-length medium segment and the partial small and large segments of a hantavirus, detected by reverse transcription–PCR in lung tissues of the Chinese mole shrew (Anourosorex squamipes) captured in Cao Bang Province, Vietnam, in December 2006, indicated that it is genetically distinct from rodentborne hantaviruses
Genetically distinct hantavirus sequences have been found by reverse transcription–PCR in the Therese shrew (Crocidura theresae) in Guinea [4] and the northern short-tailed shrew (Blarina brevicauda) in the United States [5]
A phylogenetically distinct hantavirus has been isolated from lung tissues of the Ussuri shrew (C. lasiura), captured along the Imjin River near the demilitarized zone in South Korea
Summary
By the maximum likelihood and neighbor-joining methods using the GTR+I+G model of evolution, showed similar topologies supported by bootstrap analysis, in which CBNV was relatively distinct from rodentborne and other shrewborne hantaviruses (Figure). A strong association with TGNV was observed on the basis of the S segment (1,185 bases), . Further sequence information will clarify the relationship between CBNV and other soricidborne hantaviruses and whether these form a monophyletic group in parallel with the evolution of Soricinae and Crocidurinae shrews. If one judges by the distant evolutionary relationship between shrews and rodents, future sequences of other soricidborne hantaviruses will provide considerable insights into their evolutionary origins
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