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Distinctive features of large complex virus genomes and proteomes
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| Zeitschriftentitel: | Proceedings of the National Academy of Sciences |
|---|---|
| Personen und Körperschaften: | , |
| In: | Proceedings of the National Academy of Sciences, 104, 2007, 12, S. 5127-5132 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Proceedings of the National Academy of Sciences
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| Schlagwörter: |
| author_facet |
Mrázek, Jan Karlin, Samuel Mrázek, Jan Karlin, Samuel |
|---|---|
| author |
Mrázek, Jan Karlin, Samuel |
| spellingShingle |
Mrázek, Jan Karlin, Samuel Proceedings of the National Academy of Sciences Distinctive features of large complex virus genomes and proteomes Multidisciplinary |
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mrázek, jan |
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Mrázek, Jan Karlin, Samuel 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.0700429104 <jats:p> More than a dozen large DNA viruses exceeding 240-kb genome size were recently discovered, including the “giant” <jats:italic>mimivirus</jats:italic> with a 1.2-Mb genome size. The detection of <jats:italic>mimivirus</jats:italic> and other large viruses has stimulated new analysis and discussion concerning the early evolution of life and the complexity and mechanisms of evolutionary transitions. This paper presents analysis in three contexts. ( <jats:italic>i</jats:italic> ) Genome signatures of large viruses tend to deviate from the genome signatures of their hosts, perhaps indicating that the large viruses are lytic in the hosts. ( <jats:italic>ii</jats:italic> ) Proteome composition within these viral genomes contrast with cellular organisms; for example, most eukaryotic genomes, with respect to acidic residue usages, select Glu over Asp, but the opposite generally prevails for the large viral genomes preferring Asp more than Glu. In comparing Phe vs. Tyr usage, the viral genomes select mostly Tyr over Phe, whereas in almost all bacterial and eukaryotic genomes, Phe is used more than Tyr. Interpretations of these contrasts are proffered with respect to protein structure and function. ( <jats:italic>iii</jats:italic> ) Frequent oligonucleotides and peptides are characterized in the large viral genomes. The frequent words may provide structural flexibility to interact with host proteins. </jats:p> Distinctive features of large complex virus genomes and proteomes Proceedings of the National Academy of Sciences |
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| title |
Distinctive features of large complex virus genomes and proteomes |
| title_unstemmed |
Distinctive features of large complex virus genomes and proteomes |
| title_full |
Distinctive features of large complex virus genomes and proteomes |
| title_fullStr |
Distinctive features of large complex virus genomes and proteomes |
| title_full_unstemmed |
Distinctive features of large complex virus genomes and proteomes |
| title_short |
Distinctive features of large complex virus genomes and proteomes |
| title_sort |
distinctive features of large complex virus genomes and proteomes |
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Multidisciplinary |
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http://dx.doi.org/10.1073/pnas.0700429104 |
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2007 |
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5127-5132 |
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<jats:p>
More than a dozen large DNA viruses exceeding 240-kb genome size were recently discovered, including the “giant”
<jats:italic>mimivirus</jats:italic>
with a 1.2-Mb genome size. The detection of
<jats:italic>mimivirus</jats:italic>
and other large viruses has stimulated new analysis and discussion concerning the early evolution of life and the complexity and mechanisms of evolutionary transitions. This paper presents analysis in three contexts. (
<jats:italic>i</jats:italic>
) Genome signatures of large viruses tend to deviate from the genome signatures of their hosts, perhaps indicating that the large viruses are lytic in the hosts. (
<jats:italic>ii</jats:italic>
) Proteome composition within these viral genomes contrast with cellular organisms; for example, most eukaryotic genomes, with respect to acidic residue usages, select Glu over Asp, but the opposite generally prevails for the large viral genomes preferring Asp more than Glu. In comparing Phe vs. Tyr usage, the viral genomes select mostly Tyr over Phe, whereas in almost all bacterial and eukaryotic genomes, Phe is used more than Tyr. Interpretations of these contrasts are proffered with respect to protein structure and function. (
<jats:italic>iii</jats:italic>
) Frequent oligonucleotides and peptides are characterized in the large viral genomes. The frequent words may provide structural flexibility to interact with host proteins.
</jats:p> |
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| description | <jats:p> More than a dozen large DNA viruses exceeding 240-kb genome size were recently discovered, including the “giant” <jats:italic>mimivirus</jats:italic> with a 1.2-Mb genome size. The detection of <jats:italic>mimivirus</jats:italic> and other large viruses has stimulated new analysis and discussion concerning the early evolution of life and the complexity and mechanisms of evolutionary transitions. This paper presents analysis in three contexts. ( <jats:italic>i</jats:italic> ) Genome signatures of large viruses tend to deviate from the genome signatures of their hosts, perhaps indicating that the large viruses are lytic in the hosts. ( <jats:italic>ii</jats:italic> ) Proteome composition within these viral genomes contrast with cellular organisms; for example, most eukaryotic genomes, with respect to acidic residue usages, select Glu over Asp, but the opposite generally prevails for the large viral genomes preferring Asp more than Glu. In comparing Phe vs. Tyr usage, the viral genomes select mostly Tyr over Phe, whereas in almost all bacterial and eukaryotic genomes, Phe is used more than Tyr. Interpretations of these contrasts are proffered with respect to protein structure and function. ( <jats:italic>iii</jats:italic> ) Frequent oligonucleotides and peptides are characterized in the large viral genomes. The frequent words may provide structural flexibility to interact with host proteins. </jats:p> |
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| spelling | Mrázek, Jan Karlin, Samuel 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.0700429104 <jats:p> More than a dozen large DNA viruses exceeding 240-kb genome size were recently discovered, including the “giant” <jats:italic>mimivirus</jats:italic> with a 1.2-Mb genome size. The detection of <jats:italic>mimivirus</jats:italic> and other large viruses has stimulated new analysis and discussion concerning the early evolution of life and the complexity and mechanisms of evolutionary transitions. This paper presents analysis in three contexts. ( <jats:italic>i</jats:italic> ) Genome signatures of large viruses tend to deviate from the genome signatures of their hosts, perhaps indicating that the large viruses are lytic in the hosts. ( <jats:italic>ii</jats:italic> ) Proteome composition within these viral genomes contrast with cellular organisms; for example, most eukaryotic genomes, with respect to acidic residue usages, select Glu over Asp, but the opposite generally prevails for the large viral genomes preferring Asp more than Glu. In comparing Phe vs. Tyr usage, the viral genomes select mostly Tyr over Phe, whereas in almost all bacterial and eukaryotic genomes, Phe is used more than Tyr. Interpretations of these contrasts are proffered with respect to protein structure and function. ( <jats:italic>iii</jats:italic> ) Frequent oligonucleotides and peptides are characterized in the large viral genomes. The frequent words may provide structural flexibility to interact with host proteins. </jats:p> Distinctive features of large complex virus genomes and proteomes Proceedings of the National Academy of Sciences |
| spellingShingle | Mrázek, Jan, Karlin, Samuel, Proceedings of the National Academy of Sciences, Distinctive features of large complex virus genomes and proteomes, Multidisciplinary |
| title | Distinctive features of large complex virus genomes and proteomes |
| title_full | Distinctive features of large complex virus genomes and proteomes |
| title_fullStr | Distinctive features of large complex virus genomes and proteomes |
| title_full_unstemmed | Distinctive features of large complex virus genomes and proteomes |
| title_short | Distinctive features of large complex virus genomes and proteomes |
| title_sort | distinctive features of large complex virus genomes and proteomes |
| title_unstemmed | Distinctive features of large complex virus genomes and proteomes |
| topic | Multidisciplinary |
| url | http://dx.doi.org/10.1073/pnas.0700429104 |