MersV1, PubMed, Corpus, bibRecord, 002969

Structure of the dnaA and DnaA-box region in the Mycoplasma capricolum chromosome: conservation and variations in the course of evolution.

Identifieur interne : 002969 ( PubMed/Corpus ); précédent : 002968; suivant : 002970

Structure of the dnaA and DnaA-box region in the Mycoplasma capricolum chromosome: conservation and variations in the course of evolution.

Auteurs : M Q Fujita ; H. Yoshikawa ; N. Ogasawara

Source :

Gene [ 0378-1119 ] ; 1992.

RBID : pubmed:1544573

English descriptors

KwdEn :
- Amino Acid Sequence, Bacillus subtilis (genetics), Bacterial Proteins (chemistry), Bacterial Proteins (genetics), Base Sequence, Biological Evolution, Chromosomes, Bacterial, DNA Replication, DNA-Binding Proteins (chemistry), DNA-Binding Proteins (genetics), Escherichia coli (genetics), Genes, Bacterial, Genetic Variation, Micrococcus luteus (genetics), Molecular Sequence Data, Mycoplasma (genetics), Protein Biosynthesis, Pseudomonas putida (genetics), Sequence Alignment.
MESH :
- chemical , chemistry : Bacterial Proteins, DNA-Binding Proteins.
- genetics : Bacillus subtilis, Bacterial Proteins, DNA-Binding Proteins, Escherichia coli, Micrococcus luteus, Mycoplasma, Pseudomonas putida.
- Amino Acid Sequence, Base Sequence, Biological Evolution, Chromosomes, Bacterial, DNA Replication, Genes, Bacterial, Genetic Variation, Molecular Sequence Data, Protein Biosynthesis, Sequence Alignment.

Abstract

We have previously shown that the dnaA gene and the DnaA-box region were conserved in bacteria representative of all three major branches of the eubacterial phylogenic tree: high G + C Gram+, low-G + C Gram+ and Gram-. In the present work, we determined the structure of the dnaA region of Mycoplasma capricolum and found that the dnaA gene and at least two other genes, rpmH and dnaN, were conserved in this bacterium. An unusually high level of amino acid (aa) substitutions was observed in M. capricolum DnaA. It was the case even in those aa which were well conserved in other bacterial species. The nontranslatable region upstream from the dnaA gene was also conserved in this bacterium, as it was universally found in both Gram+ and Gram- bacteria. An additional nontranslatable region downstream from the dnaA gene, which is common to Gram+ bacteria, was also found in M. capricolum, consistent with the proposal that M. capricolum is Gram+ in origin. These regions were rich in A + T and contained ten DnaA-box-like sequences (9-mers that differ from TTATCCACA by one or two bases).

DOI: 10.1016/0378-1119(92)90439-v
PubMed: 1544573

Links to Exploration step

pubmed:1544573

Le document en format XML

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<author><name sortKey="Fujita, M Q" sort="Fujita, M Q" uniqKey="Fujita M" first="M Q" last="Fujita">M Q Fujita</name>
<affiliation><nlm:affiliation>Department of Pathology, Osaka University Medical School, Japan.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Yoshikawa, H" sort="Yoshikawa, H" uniqKey="Yoshikawa H" first="H" last="Yoshikawa">H. Yoshikawa</name>
</author>
<author><name sortKey="Ogasawara, N" sort="Ogasawara, N" uniqKey="Ogasawara N" first="N" last="Ogasawara">N. Ogasawara</name>
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<author><name sortKey="Fujita, M Q" sort="Fujita, M Q" uniqKey="Fujita M" first="M Q" last="Fujita">M Q Fujita</name>
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<author><name sortKey="Yoshikawa, H" sort="Yoshikawa, H" uniqKey="Yoshikawa H" first="H" last="Yoshikawa">H. Yoshikawa</name>
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<author><name sortKey="Ogasawara, N" sort="Ogasawara, N" uniqKey="Ogasawara N" first="N" last="Ogasawara">N. Ogasawara</name>
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<term>Bacterial Proteins (genetics)</term>
<term>Base Sequence</term>
<term>Biological Evolution</term>
<term>Chromosomes, Bacterial</term>
<term>DNA Replication</term>
<term>DNA-Binding Proteins (chemistry)</term>
<term>DNA-Binding Proteins (genetics)</term>
<term>Escherichia coli (genetics)</term>
<term>Genes, Bacterial</term>
<term>Genetic Variation</term>
<term>Micrococcus luteus (genetics)</term>
<term>Molecular Sequence Data</term>
<term>Mycoplasma (genetics)</term>
<term>Protein Biosynthesis</term>
<term>Pseudomonas putida (genetics)</term>
<term>Sequence Alignment</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Bacterial Proteins</term>
<term>DNA-Binding Proteins</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Bacillus subtilis</term>
<term>Bacterial Proteins</term>
<term>DNA-Binding Proteins</term>
<term>Escherichia coli</term>
<term>Micrococcus luteus</term>
<term>Mycoplasma</term>
<term>Pseudomonas putida</term>
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<keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term>
<term>Base Sequence</term>
<term>Biological Evolution</term>
<term>Chromosomes, Bacterial</term>
<term>DNA Replication</term>
<term>Genes, Bacterial</term>
<term>Genetic Variation</term>
<term>Molecular Sequence Data</term>
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<front><div type="abstract" xml:lang="en">We have previously shown that the dnaA gene and the DnaA-box region were conserved in bacteria representative of all three major branches of the eubacterial phylogenic tree: high G + C Gram+, low-G + C Gram+ and Gram-. In the present work, we determined the structure of the dnaA region of Mycoplasma capricolum and found that the dnaA gene and at least two other genes, rpmH and dnaN, were conserved in this bacterium. An unusually high level of amino acid (aa) substitutions was observed in M. capricolum DnaA. It was the case even in those aa which were well conserved in other bacterial species. The nontranslatable region upstream from the dnaA gene was also conserved in this bacterium, as it was universally found in both Gram+ and Gram- bacteria. An additional nontranslatable region downstream from the dnaA gene, which is common to Gram+ bacteria, was also found in M. capricolum, consistent with the proposal that M. capricolum is Gram+ in origin. These regions were rich in A + T and contained ten DnaA-box-like sequences (9-mers that differ from TTATCCACA by one or two bases).</div>
</front>
</TEI>
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<DateCompleted><Year>1992</Year>
<Month>04</Month>
<Day>13</Day>
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<DateRevised><Year>2019</Year>
<Month>07</Month>
<Day>07</Day>
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<Title>Gene</Title>
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<ArticleTitle>Structure of the dnaA and DnaA-box region in the Mycoplasma capricolum chromosome: conservation and variations in the course of evolution.</ArticleTitle>
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<Abstract><AbstractText>We have previously shown that the dnaA gene and the DnaA-box region were conserved in bacteria representative of all three major branches of the eubacterial phylogenic tree: high G + C Gram+, low-G + C Gram+ and Gram-. In the present work, we determined the structure of the dnaA region of Mycoplasma capricolum and found that the dnaA gene and at least two other genes, rpmH and dnaN, were conserved in this bacterium. An unusually high level of amino acid (aa) substitutions was observed in M. capricolum DnaA. It was the case even in those aa which were well conserved in other bacterial species. The nontranslatable region upstream from the dnaA gene was also conserved in this bacterium, as it was universally found in both Gram+ and Gram- bacteria. An additional nontranslatable region downstream from the dnaA gene, which is common to Gram+ bacteria, was also found in M. capricolum, consistent with the proposal that M. capricolum is Gram+ in origin. These regions were rich in A + T and contained ten DnaA-box-like sequences (9-mers that differ from TTATCCACA by one or two bases).</AbstractText>
</Abstract>
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<Language>eng</Language>
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<AccessionNumber>S40009</AccessionNumber>
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</MeshHeading>
<MeshHeading><DescriptorName UI="D014176" MajorTopicYN="N">Protein Biosynthesis</DescriptorName>
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<MeshHeading><DescriptorName UI="D016958" MajorTopicYN="N">Pseudomonas putida</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
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Structure of the dnaA and DnaA-box region in the Mycoplasma capricolum chromosome: conservation and variations in the course of evolution.

Structure of the dnaA and DnaA-box region in the Mycoplasma capricolum chromosome: conservation and variations in the course of evolution.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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Pour générer des pages wiki