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Bioburden in sleeping environments from Portuguese dwellings

2021-03Journal article Restricted access
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dc.contributor.authorViegas, Carla
dc.contributor.authorDias, Marta
dc.contributor.authorMonteiro, Ana
dc.contributor.authorFaria, Tiago
dc.contributor.authorLage, Joana
dc.contributor.authorCarolino, Elisabete
dc.contributor.authorCaetano, Liliana Aranha
dc.contributor.authorGomes, Anita Q.
dc.contributor.authorAlmeida, Susana Marta
dc.contributor.authorVerde, Sandra Cabo
dc.contributor.authorBelo, Joana
dc.contributor.authorCanha, Nuno
dc.date.accessioned2021-02-11T17:08:12Z
dc.date.available2021-02-11T17:08:12Z
dc.date.issued2021-03
dc.descriptionProject "E2Sleep and The impact of environmental exposure on sleep” (IPL/2017/E2SLEEP/ESTeSL/711030).pt_PT
dc.descriptionProject “Occupational exposure of ambulance drivers to bioburden” (IPL/2020/BIO-AmbuDrivers_ESTeSL).pt_PT
dc.descriptionUIDB/05608/2020 and UIDP/05608/2020.pt_PT
dc.description.abstractA wider characterization of indoor air quality during sleep is still lacking in the literature. This study intends to assess bioburden before and after sleeping periods in Portuguese dwellings through active methods (air sampling) coupled with passive methods, such as electrostatic dust cloths (EDC); and investigate associations between before and after sleeping and bioburden. In addition, and driven by the lack of information regarding fungi azole-resistance in Portuguese dwellings, a screening with supplemented media was also performed. The most prevalent genera of airborne bacteria identified in the indoor air of the bedrooms were Micrococcus (41%), Staphylococcus (15%) and Neisseria (9%). The major indoor bacterial species isolated in all ten studied bedrooms were Micrococcus luteus (30%), Staphylococcus aureus (13%) and Micrococcus varians (11%). Our results highlight that our bodies are the source of the majority of the bacteria found in the indoor air of our homes. Regarding air fungal contamination, Chrysosporium spp. presented the highest prevalence both in after the sleeping period (40.8%) and before the sleeping period (28.8%) followed by Penicillium spp. (23.47% morning; 23.6% night) and Chrysonilia spp. (12.4% morning; 20.3% night). Several Aspergillus sections were identified in air and EDC samples. However, none of the fungal species/strains (Aspergillus sections Fumigati, Flavi, Nidulantes and Circumdati) were amplified by qPCR in the analyzed EDC. The correlations observed suggest reduced susceptibility to antifungal drugs of some fungal species found in sleeping environments. Toxigenic fungal species and indicators of harmful fungal contamination were observed in sleeping environments.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationViegas C, Dias M, Monteiro A, Lage J, Carolino E, Caetano LA, Gomes AQ, Belo J, Canha N, et al. Bioburden in sleeping environments from Portuguese dwellings. Environ Pollut. 2021 Jan 4;273:116417.pt_PT
dc.identifier.doi10.1016/j.envpol.2020.116417pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/12824
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationProject "E2Sleep and The impact of environmental exposure on sleep” (IPL/2017/E2SLEEP/ESTeSL/ 711030)pt_PT
dc.relationProject “Occupational exposure of ambulance drivers to bioburden” (IPL/2020/BIO-AmbuDrivers_ESTeSL)pt_PT
dc.relationFCT_UIDB/05608/2020pt_PT
dc.relationFCT_UIDP/05608/2020pt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/abs/pii/S0269749120371062?via%3Dihubpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectIndoor airpt_PT
dc.subjectAir qualitypt_PT
dc.subjectSleep environmentpt_PT
dc.subjectFungipt_PT
dc.subjectBacteriapt_PT
dc.subjectAspergilluspt_PT
dc.subjectFungi azole-resistance screeningpt_PT
dc.subjectIPL/2017/E2SLEEP/ESTeSL/711030pt_PT
dc.subjectIPL/2020/BIO-AmbuDrivers_ESTeSLpt_PT
dc.subjectUIDB/05608/2020pt_PT
dc.subjectUIDP/05608/2020pt_PT
dc.titleBioburden in sleeping environments from Portuguese dwellingspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage116417pt_PT
oaire.citation.titleEnvironmental Pollutionpt_PT
oaire.citation.volume273pt_PT
person.familyNameViegas
person.familyNameCarolino
person.familyNameAranha Caetano
person.familyNameGomes
person.familyNameBelo
person.givenNameCarla
person.givenNameElisabete
person.givenNameLiliana
person.givenNameAnita
person.givenNameJoana
person.identifier.ciencia-idEE1E-C639-D70F
person.identifier.ciencia-id1216-EFA3-1E0F
person.identifier.ciencia-id9716-9DAC-532A
person.identifier.ciencia-id4B10-E015-52B7
person.identifier.ciencia-id021C-8ADF-15D3
person.identifier.orcid0000-0002-1545-6479
person.identifier.orcid0000-0003-4165-7052
person.identifier.orcid0000-0003-1496-2609
person.identifier.orcid0000-0002-3348-0448
person.identifier.orcid0000-0003-2766-706X
person.identifier.ridB-7217-2013
person.identifier.ridF-1012-2015
person.identifier.ridC-3580-2014
person.identifier.scopus-author-id55443609700
person.identifier.scopus-author-id25821697000
person.identifier.scopus-author-id7202386033
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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