The nucleoprotein gene of Ebola virus: cloning, sequencing, and in vitro expression.

Abstract:

:Genomic and messenger RNAs of a Zaire strain of Ebola virus were cloned, and inserts specific for the nucleoprotein gene were isolated and sequenced. The nucleoprotein gene is located proximal to the 3' end of the genome and is preceeded by a putative leader sequence. The gene begins with the transcriptional start site sequence 3'-UACUCCUUCUAAUU..., and ends with the polyadenylation site sequence 3'-... UAAUUCUUUUUU. The predicted coding region is 2217 bases in length and encodes a protein that contains 739 amino acids, with a calculated molecular weight of 83.3 kDa. The protein has an approximate net charge of -30 and can be divided into a hydrophobic N-terminal half and a hydrophilic and highly acidic C-terminal half. An in vitro transcript, generated from plasmid DNA containing the entire coding region, directs the synthesis of authentic nucleoprotein in a rabbit reticulocyte lysate system. The genomic organization and transcriptional signals of Ebola are similar to those of other nonsegmented, negative-strand RNA viruses, but nucleic acid or amino acid sequence comparisons indicate a lack of similarity.

journal_name

Virology

journal_title

Virology

authors

Sanchez A,Kiley MP,Holloway BP,McCormick JB,Auperin DD

doi

10.1016/0042-6822(89)90354-1

subject

Has Abstract

pub_date

1989-05-01 00:00:00

pages

81-91

issue

1

eissn

0042-6822

issn

1096-0341

journal_volume

170

pub_type

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