Growth phase-associated changes in the proteome and transcriptome of Bifidobacterium animalis subsp. lactis A6

ABSTRACT: This study was aimed to further illustrate the expression files of BAA6 between the stationary phase and the exponential phase in MRSc broth, we combined the transcriptomic analysis with RNA sequencing and tandem mass tags (TMT) quantitative proteomic methods to quantitatively screen the differentially expressed genes and proteins. During the stationary phase, BAA6 expanded its carbon source utilizing profile and enhanced the transport of cellobiose, xylooligosaccharides (XOS), and raffinose to confront with glucose consumption. Meanwhile, the increased NH3 production, enhanced branched-chain amino acids (BCAAs) transport and biosynthesis, and upregulated GroEL/ES complex and Clp protease could contribute to respond to acid stress during fermentation. These findings provide a novel insight into the growth characteristics developed by B. animalis to environment changes.

ORGANISM(S): Bifidobacterium animalis

PROVIDER: GSE173957 | GEO | 2021/11/22

REPOSITORIES: GEO