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During the course of infection,\n            <jats:italic>N<\/jats:italic>\n            .\n            <jats:italic>meningitidis<\/jats:italic>\n            encounters multiple environments within its host, which makes rapid adaptation to environmental changes a crucial factor for neisserial pathogenicity. Employing oligonucleotide-based DNA microarrays, we analyzed the transcriptome of\n            <jats:italic>N<\/jats:italic>\n            .\n            <jats:italic>meningitidis<\/jats:italic>\n            during two key steps of meningococcal infection, i.e., the interaction with epithelial cells (HeLa cells) and endothelial cells (human brain microvascular endothelial cells). Seventy-two genes were differentially regulated after contact with epithelial cells, and 48 genes were differentially regulated after contact with endothelial cells, including a considerable proportion of well-known virulence genes. While a considerable number of genes were in concordance between bacteria adherent to both cell types, we identified several open reading frames that were differentially regulated in only one system. The data obtained with this novel approach may provide insight into the pathogenicity mechanisms of\n            <jats:italic>N<\/jats:italic>\n            .\n            <jats:italic>meningitidis<\/jats:italic>\n            and could demonstrate the importance of gene regulation on the transcriptional level during different stages of meningococcal infection.\n          <\/jats:p>","DOI":"10.1128\/jb.185.1.155-164.2003","type":"journal-article","created":{"date-parts":[[2002,12,16]],"date-time":"2002-12-16T22:44:14Z","timestamp":1040078654000},"page":"155-164","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":88,"title":["Transcriptome Analysis of\n            <i>Neisseria meningitidis<\/i>\n            during Infection"],"prefix":"10.1128","volume":"185","author":[{"given":"Guido","family":"Dietrich","sequence":"first","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian","family":"Kurz","sequence":"additional","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudia","family":"Hu\u0308bner","sequence":"additional","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Aepinus","sequence":"additional","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephanie","family":"Theiss","sequence":"additional","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Guckenberger","sequence":"additional","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ursula","family":"Panzner","sequence":"additional","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacqueline","family":"Weber","sequence":"additional","affiliation":[{"name":"MWG-Biotech AG, 85560 Ebersberg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Frosch","sequence":"additional","affiliation":[{"name":"Institute for Hygiene and Microbiology, University of Wu\u0308rzburg, 97080 Wu\u0308rzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1111\/j.1365-2958.1994.tb00285.x","volume":"11","year":"1994","unstructured":"Achtman, M. 1994. 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