Hilary A T Caldwell, Rebecca A Spencer, Nila Joshi, Karina Branje, Jane Cawley, Heather Hobson, Sara F L Kirk, Daniel Stevens, Michelle R Stone
Impact of an outdoor loose parts play intervention on Nova Scotian preschoolers' physical literacy: a mixed-methods randomized controlled trial
BMC public health
advent highthroughput sequencing methods allowed researchers fully characterize microbial community environmental samples crucial better understand health effects upon exposures study investigated bacterial fungal community indoor outdoor air nine classrooms three elementary schools seoul korea extracted bacterial 16s rrna gene fungal regions sequenced taxa identified quantitative polymerase chain reaction total bacteria dna also performed bacterial community richer outdoor air classroom air whereas fungal diversity similar indoors outdoors bacteria enhydrobacter micrococcus staphylococcus generally found human skin mucous membrane intestine found great abundance fungi cladosporium clitocybe daedaleopsis abundant genera classroom air mostly related outdoor plants bacterial community composition classroom air similar among classrooms differed outdoor air however indoor outdoor fungal community compositions similar school different among schools study indicated main source airborne bacteria classrooms likely human occupants however classroom airborne fungi likely originated outdoors