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The Ehrlichia ruminantium str. Welgevonden genome is 1.52 Million bp long and contains approximately 961
predicted genes.
The sequence was released 01/07/2005 by the University of Pretoria, South Africa, and was described
in Proc Natl Acad Sci U S A :838-43 (2005) Collins NE, Liebenberg J, de Villiers EP, Brayton KA, Louw E, et al. "The genome of the heartwater agent Ehrlichia ruminantium contains multiple tandem repeats of actively variable copy number.
"
Abstract: Heartwater, a tick-borne disease of domestic and wild ruminants, is caused by the intracellular rickettsia Ehrlichia ruminantium (previously known as Cowdria ruminantium). It is a major constraint to livestock production throughout subSaharan Africa, and it threatens to invade the Americas, yet there is no immediate prospect of an effective vaccine. A shotgun genome sequencing project was undertaken in the expectation that access to the complete protein coding repertoire of the... [Click above reference link for full abstract]
Taxonomy: Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales; Anaplasmataceae; Ehrlichia.
Sequenced related species/strains: Anaplasma marginale str. St. Maries, Anaplasma phagocytophilum HZ, Candidatus Pelagibacter ubique HTCC1062, Ehrlichia canis str. Jake, Ehrlichia chaffeensis str. Arkansas, Ehrlichia ruminantium str. Gardel, Ehrlichia ruminantium str. Welgevonden, Neorickettsia sennetsu str. Miyayama, Orientia tsutsugamushi Boryong, Rickettsia bellii RML369-C, Rickettsia conorii str. Malish 7, Rickettsia felis URRWXCal2, Rickettsia prowazekii str. Madrid E, Rickettsia typhi str. Wilmington, Wolbachia endosymbiont strain TRS of Brugia malayi, Wolbachia endosymbiont of Drosophila melanogaster
Sample position queries
A genome position can be specified by chromosomal coordinate range, COG
ID, or keywords from the GenBank or TIGR description of a gene.
The available chromosome/plasmid names are:
| Browser Chrom/Plasmid Name | Length (bp) | GC Content (%) | Gene Count | NCBI RefSeq Accession |
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| chr | 1516355 | 27.48 | 961 | NC_005295 |
The following list shows examples of valid position queries for this
genome:
| Request: | Genome Browser Response: |
|---|
| chr | Displays the entire sequence "chr" in the browser window |
| chr:1-10000 | Displays first ten thousand bases of the sequence "chr" |
| transporter | Lists all genes with "transporter" in the name or description |
| Erum0110 | Display genome at position of gene Erum0110 |
Credits
The Archaeal Genome Browsers at UCSC were developed by members of the
Lowe Lab (Kevin Schneider,
Katherine Pollard, Andy Pohl, Todd Lowe) and Robert Baertsch, with significant support from
the UCSC Human Genome
Browser group.
The Archaeal Browsers are run by a slightly modified
version of the UCSC Human Genome
Browser system. All queries, bug reports, content corrections, suggested improvements,
and new track data submissions should be sent to Todd Lowe (lowe
@soe.ucsc.edu).
If you use the browser in your published research, please cite our
publication in the Nucleic Acids Research Database
Issue. Citations and positive feedback will help us obtain funding
to continue development of this community resource.
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