Ehrlichia ruminantium : genomic and evolutionary features
Identifieur interne : 009609 ( Main/Exploration ); précédent : 009608; suivant : 009610Ehrlichia ruminantium : genomic and evolutionary features
Auteurs : Roger Frutos [France] ; Alain Viari [France] ; Nathalie Vachiery [France] ; Frédéric Boyer [France] ; Dominique Martinez [France]Source :
- Trends in parasitology [ 1471-4922 ] ; 2007.
Descripteurs français
English descriptors
Abstract
Ehrlichia ruminantium is the causative agent of heartwater, an important tick-borne disease of livestock in Africa and the Caribbean that threatens the American mainland. The genome sequences of three strains of E. ruminantium have recently been published, revealing the presence of specific features related to genomic plasticity. E. ruminantium strains have traces of active genomic modifications, such as high substitution rates, truncated genes and the presence of pseudogenes and many tandem repeats. The most specific feature is the presence in all Ehrlichia of independent long-period tandem repeats, which are associated with expansion or contraction of intergenic regions.
Affiliations:
- France
- Auvergne-Rhône-Alpes, Languedoc-Roussillon, Occitanie (région administrative), Rhône-Alpes
- Montbonnot-Saint Martin, Montpellier
Links toward previous steps (curation, corpus...)
- to stream PascalFrancis, to step Corpus: 003978
- to stream PascalFrancis, to step Curation: 002710
- to stream PascalFrancis, to step Checkpoint: 003930
- to stream Main, to step Merge: 00A042
- to stream Main, to step Curation: 009609
Le document en format XML
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<series><title level="j" type="main">Trends in parasitology</title>
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<front><div type="abstract" xml:lang="en">Ehrlichia ruminantium is the causative agent of heartwater, an important tick-borne disease of livestock in Africa and the Caribbean that threatens the American mainland. The genome sequences of three strains of E. ruminantium have recently been published, revealing the presence of specific features related to genomic plasticity. E. ruminantium strains have traces of active genomic modifications, such as high substitution rates, truncated genes and the presence of pseudogenes and many tandem repeats. The most specific feature is the presence in all Ehrlichia of independent long-period tandem repeats, which are associated with expansion or contraction of intergenic regions.</div>
</front>
</TEI>
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<region><li>Auvergne-Rhône-Alpes</li>
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<tree><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Frutos, Roger" sort="Frutos, Roger" uniqKey="Frutos R" first="Roger" last="Frutos">Roger Frutos</name>
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<name sortKey="Boyer, Frederic" sort="Boyer, Frederic" uniqKey="Boyer F" first="Frédéric" last="Boyer">Frédéric Boyer</name>
<name sortKey="Martinez, Dominique" sort="Martinez, Dominique" uniqKey="Martinez D" first="Dominique" last="Martinez">Dominique Martinez</name>
<name sortKey="Vachiery, Nathalie" sort="Vachiery, Nathalie" uniqKey="Vachiery N" first="Nathalie" last="Vachiery">Nathalie Vachiery</name>
<name sortKey="Viari, Alain" sort="Viari, Alain" uniqKey="Viari A" first="Alain" last="Viari">Alain Viari</name>
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