Computational tools and Interoperability in Comparative ... - CBS
Computational tools and Interoperability in Comparative ... - CBS
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oligonucleotides from 2-mers to 8-mers on the lead<strong>in</strong>g <strong>and</strong><br />
lagg<strong>in</strong>g str<strong>and</strong>s <strong>in</strong> a 60% w<strong>in</strong>dow are counted <strong>and</strong> the <strong>in</strong>formation<br />
content was calculated <strong>and</strong> summarized over all<br />
oligos for every putative orig<strong>in</strong>. The G/C <strong>and</strong> A/T weighted<br />
str<strong>and</strong> bias were <strong>in</strong>cluded to dist<strong>in</strong>guish between orig<strong>in</strong> <strong>and</strong><br />
term<strong>in</strong>us.<br />
Structural profile of the promoter region<br />
Each annotated gene was aligned at the translation start site<br />
<strong>and</strong> the average values for five DNA structural features<br />
(AT content, position preference, stack<strong>in</strong>g energy, <strong>in</strong>tr<strong>in</strong>sic<br />
curvature, DNase sensitivity; see chapter on Genome Atlas)<br />
were calculated at each position <strong>in</strong> the alignment. The values<br />
was subsequently centered <strong>and</strong> scaled <strong>and</strong> smoothed with<strong>in</strong><br />
a 5 bp w<strong>in</strong>dow us<strong>in</strong>g Gaussian smooth<strong>in</strong>g.<br />
Acknowledgements<br />
The analysis has been performed with<strong>in</strong> the frame of the<br />
‘Task Force Genome L<strong>in</strong>guistics’ of the competence<br />
network ‘Genome Research on Bacteria Relevant for Agriculture,<br />
Environment <strong>and</strong> Biotechnology’ funded by the<br />
Federal M<strong>in</strong>istry of Education <strong>and</strong> Research (BMBF),<br />
Germany (Contracts 031U213D <strong>and</strong> 031U113D). We thank<br />
Peter Golysh<strong>in</strong>, Vitor Mart<strong>in</strong>s dos Santos <strong>and</strong> Kenneth N.<br />
Timmis, Helmhotz Center for Infection Research, Braunschweig,<br />
for stimulat<strong>in</strong>g discussions dur<strong>in</strong>g the <strong>in</strong>itiation of the<br />
study <strong>and</strong> Olaf Kaiser, Lehrstuhl für Genetik, Universität<br />
Bielefeld, for the provision of sequence data at an early<br />
stage of the sequenc<strong>in</strong>g project. O.R. has been a recipient<br />
of a postdoctoral stipend of the DFG-sponsored International<br />
Tra<strong>in</strong><strong>in</strong>g Group ‘Pseudomonas: Pathogenicity <strong>and</strong><br />
Biotechnology’.<br />
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©2007TheAuthors<br />
Journal compilation © 2007 Society for Applied Microbiology <strong>and</strong> Blackwell Publish<strong>in</strong>g Ltd, Environmental Microbiology