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J. Virol., Dec 1995, 8132-8136, Vol 69, No. 12
VE Chizhikov, CF Spiropoulou, SP Morzunov, MC Monroe, CJ Peters and ST Nichol
This study reports completion of the genetic characterization of the entire
genome of Sin Nombre (SN) virus (NMH10) detected in autopsy tissues from a
patient who died of hantavirus pulmonary syndrome (HPS). The large (L)
genome segment was found to be 6,562 nucleotides in length and encoded a
putative L polymerase that was 2,153 amino acids in length. No evidence of
segment reassortment with other well- characterized hantaviruses was
obtained. The sequence of the entire S, M, and L genome segments of SN
virus (strain NMR11) isolated from a mouse (trapped in the residence of the
patient infected with SN virus [NMH10]) by passage two times in Peromyscus
maniculatus and then by five passages in E6 Vero cells was determined and
compared with that of the virus detected in autopsy tissues. Only 16
nucleotide differences were detected between the virus genomes, and none of
these resulted in virus protein amino acid substitutions. Determination of
the exact 5'- and 3'-terminal sequences of all genome segments of SN virus
and representatives of other serologic groups in the Hantavirus genus,
family Bunyaviridae, showed the existence of conserved nucleotide domains
that may be involved in important regulatory mechanisms, such as RNA
encapsidation, polymerase binding, and control of transcription and
replication.
Copyright © 1995, American Society for Microbiology
Complete genetic characterization and analysis of isolation of Sin Nombre virus
Special Pathogens Branch, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA.
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