Abstract:
:Virus like particles (17 nm in diameter) associated with maize white line mosaic virus (MWLMV) were shown to be a satellite virus of MWLMV (SV-MWLMV) on the basis of the following properties: (1) The SV-MWLMV was dependent upon the presence of MWLMV for replication in maize, while the latter virus could replicate independently of the SV particles. (2) No nucleotide sequence homology was detected between the SV-MWLMV and MWLMV, using complementary DNA probes prepared to the two RNAs, in a Northern blot hybridization analysis. (3) The RNA of the SV-MWLMV translated in vitro to produce a protein of the same Mr (24,000) as that found associated with the SV particles. This protein could be immunoprecipitated with an antiserum to the SV particles. And (4), there was no serological relationship between the coat proteins of MWLMV and the SV-MWLMV. The complete nucleotide sequence of the SV-MWLMV RNA (1168 nucleotides) was determined. The SV-MWLMV RNA contains a single open reading frame encoding a polypeptide of Mr 23,961. Computer analysis revealed no significant homology between SV-MWLMV RNA and any other viral or satellite RNAs. However, the putative SV-MWLMV capsid protein is predicted to share some structural features with the capsid protein of the satellite virus of panicum mosaic virus.
journal_name
Virologyjournal_title
Virologyauthors
Zhang L,Zitter TA,Palukaitis Pdoi
10.1016/0042-6822(91)90060-osubject
Has Abstractpub_date
1991-02-01 00:00:00pages
467-73issue
2eissn
0042-6822issn
1096-0341journal_volume
180pub_type
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