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Classroom microbiome, functional pathways and sick-building syndrome (SBS) in urban and rural schools-Potential roles of indoor microbial amino acids and vitamin metabolites
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- Fu, Xi (författare)
- South China Agr Univ, Coll Life Sci, Guangdong Prov Key Lab Prot Funct & Regulat Agr O, Guangzhou 510642, Guangdong, Peoples R China.
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- Ou, Zheyuan (författare)
- South China Agr Univ, Coll Life Sci, Guangdong Prov Key Lab Prot Funct & Regulat Agr O, Guangzhou 510642, Guangdong, Peoples R China.;South China Agr Univ, Key Lab Zoonosis, Minist Agr & Rural Affairs, Guangzhou 510642, Guangdong, Peoples R China.;South China Agr Univ, Guangdong Lab Lingnan Modern Agr, Guangzhou 510642, Guangdong, Peoples R China.
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- Zhang, Mei (författare)
- South China Agr Univ, Coll Life Sci, Guangdong Prov Key Lab Prot Funct & Regulat Agr O, Guangzhou 510642, Guangdong, Peoples R China.;South China Agr Univ, Key Lab Zoonosis, Minist Agr & Rural Affairs, Guangzhou 510642, Guangdong, Peoples R China.;South China Agr Univ, Guangdong Lab Lingnan Modern Agr, Guangzhou 510642, Guangdong, Peoples R China.
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- South China Agr Univ, Coll Life Sci, Guangdong Prov Key Lab Prot Funct & Regulat Agr O, Guangzhou 510642, Guangdong, Peoples R China South China Agr Univ, Coll Life Sci, Guangdong Prov Key Lab Prot Funct & Regulat Agr O, Guangzhou 510642, Guangdong, Peoples R China.;South China Agr Univ, Key Lab Zoonosis, Minist Agr & Rural Affairs, Guangzhou 510642, Guangdong, Peoples R China.;South China Agr Univ, Guangdong Lab Lingnan Modern Agr, Guangzhou 510642, Guangdong, Peoples R China. (creator_code:org_t)
- Elsevier, 2021
- 2021
- Engelska.
- Ingår i: Science of the Total Environment. - : Elsevier. - 0048-9697 .- 1879-1026. ; 795
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Sick building symptoms (SBS) are defined as non-specific symptoms related to indoor exposures, including mucosal symptoms in eye, nose, throat, and skin, and general symptoms as headache and tiredness. Indoor microbial composition is associated with SBS symptoms, but the impact of microbial functional genes and potential metabolic products has not been characterized. We conducted a shotgun microbial metagenomic sequencing for vacuum dust collected in urban and rural schools in Shanxi province, China. SBS symptoms in students were surveyed, and microbial taxa and functional pathways related to the symptoms were identified using a multilevel linear regression model. SBS symptoms were common in students, and the prevalence of ocular and throat symptoms, headache, and tiredness was higher in urban than in rural areas (p < 0.05). A significant higher microbial alpha-diversity was found in rural areas than in urban areas (Chao1, p = 0.001; ACE, p = 0.002). Also, significant variation in microbial taxonomic and functional composition (beta-diversity) was observed between urban and rural areas (p < 0.005). Five potential risk Actinobacteria species were associated with SBS symptoms (p < 0.01); students in the classrooms with a higher abundance of an unclassified Geodermatophilaceae, Geodermatophilus, Fridmanniella luteola, Microlunatus phosphovorus and Mycetocola reported more nasal and throat symptoms and tiredness. Students with a higher abundance of an unclassified flavobacteriaceae reported fewer throat symptoms and tiredness. The abundance of microbial metabolic pathways related to the synthesis of B vitamins (biotin and folate), gamma-aminobutyric acid (GABA), short-chain fatty acids (SCFAs), and peptidoglycan and were protectively (negatively) associated with SBS symptoms (FDR < 0.05). The result is consistent with human microbiota studies, which reported that these microbial products are extensively involved in immunological processes and anti-inflammatory effects. This is the first study to report the functional potential of the indoor microbiome and the occurrence of SBS, providing new insights into the potential etiologic mechanisms in chronic inflammatory diseases.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Nyckelord
- Short-chain fatty acids (SCFAs)
- Peptidoglycan
- Indoor microbiome
- Shotgun metagenomics
- Mucosal symptoms
- Inflammation
- Vitamin B
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- art (ämneskategori)
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- Fu, Xi
- Ou, Zheyuan
- Zhang, Mei
- Meng, Yi
- Li, Yanling
- Chen, Qingmei
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- Jiang, Jun
- Zhang, Xin
- Norbäck, Dan
- Zhao, Zhuohui
- Sun, Yu
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