{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T01:43:58Z","timestamp":1768527838976,"version":"3.49.0"},"posted":{"date-parts":[[2020,11,6]]},"group-title":"Microbiology","reference-count":92,"publisher":"openRxiv","license":[{"start":{"date-parts":[[2020,11,6]],"date-time":"2020-11-06T00:00:00Z","timestamp":1604620800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2020,11,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:p>\n                  The ongoing global pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the coronavirus disease 2019 (COVID-19) first described from Wuhan, China. A subset of COVID-19 patients has been reported to have acquired secondary infections by microbial pathogens, such as fungal opportunistic pathogens from the genus\n                  <jats:italic>Aspergillus<\/jats:italic>\n                  . To gain insight into COVID-19 associated pulmonary aspergillosis (CAPA), we analyzed the genomes and characterized the phenotypic profiles of four CAPA isolates of\n                  <jats:italic>Aspergillus fumigatus<\/jats:italic>\n                  obtained from patients treated in the area of North Rhine-Westphalia, Germany. By examining the mutational spectrum of single nucleotide polymorphisms, insertion-deletion polymorphisms, and copy number variants among 206 genes known to modulate\n                  <jats:italic>A. fumigatus<\/jats:italic>\n                  virulence, we found that CAPA isolate genomes do not exhibit major differences from the genome of the Af293 reference strain. By examining virulence in an invertebrate moth model, growth in the presence of osmotic, cell wall, and oxidative stressors, and the minimum inhibitory concentration of antifungal drugs, we found that CAPA isolates were generally, but not always, similar to\n                  <jats:italic>A. fumigatus<\/jats:italic>\n                  reference strains Af293 and CEA17. Notably, CAPA isolate D had more putative loss of function mutations in genes known to increase virulence when deleted (e.g., in the\n                  <jats:italic>FLEA<\/jats:italic>\n                  gene, which encodes a lectin recognized by macrophages). Moreover, CAPA isolate D was significantly more virulent than the other three CAPA isolates and the\n                  <jats:italic>A. fumigatus<\/jats:italic>\n                  reference strains tested. These findings expand our understanding of the genomic and phenotypic characteristics of isolates that cause CAPA.\n                <\/jats:p>","DOI":"10.1101\/2020.11.06.371971","type":"posted-content","created":{"date-parts":[[2020,11,7]],"date-time":"2020-11-07T07:35:14Z","timestamp":1604734514000},"source":"Crossref","is-referenced-by-count":3,"title":["Genomic and phenotypic analysis of COVID-19-associated pulmonary aspergillosis isolates of\n                  <i>Aspergillus fumigatus<\/i>"],"prefix":"10.64898","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8436-595X","authenticated-orcid":false,"given":"Jacob L.","family":"Steenwyk","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9195-7585","authenticated-orcid":false,"given":"Matthew E.","family":"Mead","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3045-6511","authenticated-orcid":false,"given":"Patr\u00edcia Alves","family":"de Castro","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9923-4151","authenticated-orcid":false,"given":"Clara","family":"Valero","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9304-3998","authenticated-orcid":false,"given":"Andr\u00e9","family":"Damasio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0826-5479","authenticated-orcid":false,"given":"Renato A. 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