We sequenced the V3-V5 hypervariable region of the bacterial 16S rRNA gene in DNA derived from 631 CF sputum specimens collected from 111 subjects over 10 years. We observed fluctuations in the abunda
Outbred CD1 mouse colonies were generated to be colonized with four distinct complexgut microbiota (GM) profiles representing contemporary rodent producer profiles. Mice were maintained atthe Universi