Molecular evolution and phylogeny of dengue-4 viruses.
نویسندگان
چکیده
منابع مشابه
Molecular evolution and phylogeny of dengue-4 viruses.
Nucleotide sequences of the envelope protein genes of 19 geographically and temporally distinct dengue (DEN)-4 viruses were determined. Nucleic acid sequence comparison revealed that the identity among the DEN-4 viruses was greater than 92%. Similarity among deduced amino acids was between 96 and 100%; in most cases identical amino acid substitutions occurred among viruses from similar geograph...
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Genetic variation between geographically and temporally distinct isolates of dengue-1 (DEN-1) and dengue-4 (DEN-4) viruses was investigated. The nucleotide sequences of a fragment of the envelope protein gene encoding amino acids 28 to 87 of 35 DEN-1 isolates and 28 DEN-4 isolates were determined. Maximum nucleotide sequence variation was 6.9% and 4.9% for DEN-1 and DEN-4 viruses, respectively....
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The nucleic acid sequences of the pre-membrane/membrane and envelope protein genes of 23 geographically and temporally distinct dengue (DEN)-3 viruses were determined. This was accomplished by reverse transcriptase-PCR amplification of the structural genes followed by automated DNA sequence analysis. Comparison of nucleic acid sequences revealed that similarity among the viruses was greater tha...
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The phylogeny of the Entolomataceae was reconstructed using three loci (RPB2, LSU and mtSSU) and, in conjunction with spore morphology (using SEM and TEM), was used to address four main systematic issues: 1) the monophyly of the Entolomataceae; 2) inter-generic relationships within the Entolomataceae; 3) genus delimitation of Entolomataceae; and 4) spore evolution in the Entolomataceae. Results...
متن کاملModels of molecular evolution and phylogeny.
Phylogenetic reconstruction is a fast-growing field that is enriched by different statistical approaches and by findings and applications in a broad range of biological areas. Fundamental to these are the mathematical models used to describe the patterns of DNA base substitution and amino acid replacement. These may become some of the basic models for comparative genome research. We discuss the...
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ژورنال
عنوان ژورنال: Journal of General Virology
سال: 1997
ISSN: 0022-1317,1465-2099
DOI: 10.1099/0022-1317-78-9-2279