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Table 3 Average relative abundance of the top 15 bacterial genera in high schools in Shanxi and their relative abundance in other habitats. The bacterial abundance in air, non-saline soil and freshwater, and the human gut, saliva and skin environment were calculated from the Earth Microbiome Project [41]. The bacterial abundance in the university dormitory and junior high school was calculated from two recent publications [12, 42]. Taxa with relative abundance > 0.1% were formatted with bold font

From: Indoor bacterial, fungal and viral species and functional genes in urban and rural schools in Shanxi Province, China–association with asthma, rhinitis and rhinoconjunctivitis in high school students

Taxa High school (%) Air
(%)
Soil
(%)
Water
(%)
Human gut
(%)
Human saliva (%) Human skin
(%)
University dormitory, China (%) Junior high school, Malaysia (%)
Psychrobacter 5.36 0.12 < 0.01 0.01 0 < 0.01 0.18 0.04 0
Kocuria 3.82 < 0.01 < 0.01 < 0.01 < 0.01 0.02 0.43 0.25 1.43
Brachybacterium 3.41 0.16 0.02 < 0.01 0.03 < 0.01 0.59 0.23 0.71
Micrococcus 3.22 0.10 < 0.01 < 0.01 < 0.01 < 0.01 0.65 0.54 0.82
Acinetobacter 2.99 2.30 0.10 1.37 0.02 0.21 4.93 23.2 2.21
Microbacterium 2.93 0.03 0.10 0.06 < 0.01 < 0.01 0.03 0.75 0
Paracoccus 2.80 0.18 0.01 0.13 < 0.01 < 0.01 0.32 0.13 3.13
Nocardioides 2.55 0.06 0.03 0.01 0 < 0.01 0.04 0.03 0.46
Streptococcus 2.09 5.46 0.16 0.16 0.37 19.97 10.78 0.49 1.45
Pseudomonas 2.04 1.41 1.29 2.57 < 0.01 0.01 5.44 1.88 0.80
Corynebacterium 1.71 1.06 0.04 0.02 0.89 0.43 7.66 0.95 1.77
Janibacter 1.56 < 0.01 < 0.01 < 0.01 < 0.01 < 0.01 0.04 0.04 0.64
Planococcus 1.50 < 0.01 0.02 < 0.01 0 0 < 0.01 <0.01 0
Arthrobacter 1.39 0.21 0.39 0.04 < 0.01 0.02 0.13 0.09 0.48
Serinicoccus 1.32 0.07 < 0.01 < 0.01 < 0.01 < 0.01 0.04 <0.01 0