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Virus Res. 1990 Jun;16(2):127-36.

Rapid detection of genomic variations in different strains of hantaviruses by polymerase chain reaction techniques and nucleotide sequence analysis.

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Institut für Molekulare Genetik, Universität Heidelberg, F.R.G.


The polymerase chain reaction (PCR) with subsequent nucleotide sequence analysis was employed to rapidly detect genomic variations among different Hantavirus strains. Using synthetic oligonucleotide primers derived from the M and S segment RNAs of nephropathia epidemica virus strain Hällnäs B1 (NEV) we succeeded in amplifying the corresponding sequences of Hantaan and Puumala viruses. The nucleotide sequences of the cDNAs derived from the Puumala M and S RNA segments were analyzed. It was found that the particular nucleotide sequences of Puumala M and S segments were 81% and 82% homologous to the corresponding genomic segments of NEV, respectively. The amino acid homology was 94% for both segments. In contrast, the degree of homology to the corresponding Hantaan M and S genomic RNA segments was 63% at the nucleotide level for both segments and 53 and 55% at the deduced amino acid level, respectively. This demonstrates that Puumala virus is very similar to NEV and significantly different from Hantaan virus at both the nucleotide and protein level.

[Indexed for MEDLINE]

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