{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T21:29:53Z","timestamp":1792877393063,"version":"4.5.0"},"reference-count":31,"publisher":"American Society for Microbiology","issue":"11","license":[{"start":{"date-parts":[[2024,11,13]],"date-time":"2024-11-13T00:00:00Z","timestamp":1731456000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,11,13]],"date-time":"2024-11-13T00:00:00Z","timestamp":1731456000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2024,11,13]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:sec>\n            <jats:title\/>\n            <jats:p>\n              The aim was to develop an RT-qPCR targeting\n              <jats:italic>Aspergillus fumigatus<\/jats:italic>\n              and compare its performance to that of\n              <jats:italic>Aspergillus fumigatus<\/jats:italic>\n              qPCR for the diagnosis of invasive aspergillosis (IA). Samples from patients of the Lyon University hospitals for whom a suspicion of IA led to the realization of an\n              <jats:italic>Aspergillus fumigatus<\/jats:italic>\n              qPCR molecular diagnostic test over a 2-year period were included. The patients were classified according to the European Organization for Research and Treatment of Cancer\/Mycoses Study Group (EORTC-MSGERC) criteria for suspected IA; RT-qPCR and qPCR assays were performed on all included samples. The sensitivities and specificities of RT-qPCR and qPCR were calculated and compared using the results of the EORTC-MSGERC classification as reference. The cycle threshold (Ct) results were compared according to IA classification and sample type. Among the 193 samples analyzed, 91 were classified as IA excluded, 46 as possible IA, 53 as probable IA, and 3 as proven IA. For all sample types, RT-qPCR was significantly more sensitive than qPCR for all IA classifications with an additional 17\/102 samples detected (\n              <jats:italic>P<\/jats:italic>\n              -value &lt; 0.01). For plasma samples, sensitivity was significantly higher and specificity significantly lower using RT-qPCR for all IA classifications (\n              <jats:italic>P<\/jats:italic>\n              -value &lt; 0.001). The mean Ct obtained with RT-qPCR were significantly lower than those obtained with qPCR for all IA classifications and all sample types (\n              <jats:italic>P<\/jats:italic>\n              -value &lt; 0.001 and\n              <jats:italic>P<\/jats:italic>\n              -value &lt; 0.0001, respectively). RT-qPCR presents a higher sensitivity than qPCR for the diagnosis of IA due to\n              <jats:italic>Aspergillus fumigatus<\/jats:italic>\n              , particularly in samples with an intrinsically low fungal load.\n            <\/jats:p>\n            <jats:sec>\n              <jats:title>IMPORTANCE<\/jats:title>\n              <jats:p>\n                <jats:italic>Aspergillus fumigatus<\/jats:italic>\n                belongs to the critical priority group of the World Health Organization fungal priority pathogens list. Invasive aspergillosis (IA) is a life-threatening infection with poor prognosis and challenging diagnosis. PCR has been integrated into the 2020 European Organization for Research and Treatment of Cancer\/Mycoses Study Group consensus definitions for IA diagnosis. However, due to frequent low fungal burdens, its sensitivity needs to be improved. This work presents an innovative method for detecting total nucleic acids, corresponding to both ribosomal RNA and DNA, that enables IA diagnosis with greater sensitivity than conventional techniques, especially in non-invasive samples such as blood, enhancing the monitoring of this infection in high-risk patients.\n              <\/jats:p>\n            <\/jats:sec>\n          <\/jats:sec>","DOI":"10.1128\/jcm.00791-24","type":"journal-article","created":{"date-parts":[[2024,10,24]],"date-time":"2024-10-24T13:00:21Z","timestamp":1729774821000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":8,"title":["Reverse-transcriptase real-time PCR in the diagnostic strategy for invasive infections caused by\n            <i>Aspergillus fumigatus<\/i>"],"prefix":"10.1128","volume":"62","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5626-3553","authenticated-orcid":true,"given":"Charles","family":"Gibert","sequence":"first","affiliation":[{"name":"Hospices Civils de Lyon, Laboratoire de Parasitologie et Mycologie M\u00e9dicale, Institut des Agents Infectieux, Lyon, France"},{"name":"Universit\u00e9 Claude Bernard Lyon 1, Villeurbanne, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pauline","family":"Tirard-Collet","sequence":"additional","affiliation":[{"name":"Hospices Civils de Lyon, Laboratoire de Parasitologie et Mycologie M\u00e9dicale, Institut des Agents Infectieux, Lyon, France"},{"name":"Universit\u00e9 Claude Bernard Lyon 1, Villeurbanne, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charline","family":"Miossec","sequence":"additional","affiliation":[{"name":"Hospices Civils de Lyon, Laboratoire de Parasitologie et Mycologie M\u00e9dicale, Institut des Agents Infectieux, Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6992-1073","authenticated-orcid":true,"given":"Damien","family":"Dupont","sequence":"additional","affiliation":[{"name":"Hospices Civils de Lyon, Laboratoire de Parasitologie et Mycologie M\u00e9dicale, Institut des Agents Infectieux, Lyon, France"},{"name":"Universit\u00e9 Claude Bernard Lyon 1, Villeurbanne, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Florence","family":"Persat","sequence":"additional","affiliation":[{"name":"Hospices Civils de Lyon, Laboratoire de Parasitologie et Mycologie M\u00e9dicale, Institut des Agents Infectieux, Lyon, France"},{"name":"Universit\u00e9 Claude Bernard Lyon 1, Villeurbanne, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martine","family":"Wallon","sequence":"additional","affiliation":[{"name":"Hospices Civils de Lyon, Laboratoire de Parasitologie et Mycologie M\u00e9dicale, Institut des Agents Infectieux, Lyon, France"},{"name":"Universit\u00e9 Claude Bernard Lyon 1, Villeurbanne, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Florence","family":"Ader","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Claude Bernard Lyon 1, Villeurbanne, France"},{"name":"Hospices Civils de Lyon, Services de Maladies Infectieuses et Tropicales, H\u00f4pital de la Croix-Rousse, Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gilles","family":"Devouassoux","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Claude Bernard Lyon 1, Villeurbanne, France"},{"name":"Hospices Civils de Lyon, Service de Pneumologie, H\u00f4pital de la Croix-Rousse, Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sophie","family":"Ducastelle","sequence":"additional","affiliation":[{"name":"Hospices Civils de Lyon, Service d\u2019H\u00e9matologie Clinique, H\u00f4pital Lyon 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