Intracellular and Extracellular Metabolites from the Cyanobacterium Chlorogloeopsis fritschii, PCC 6912, During 48 Hours of UV-B Exposure.

ABSTRACT: Cyanobacteria have many defence strategies to overcome harmful ultraviolet (UV) stress including the production of secondary metabolites. Metabolomics can be used to investigate this altered metabolism via targeted and untargeted techniques. In this study we assessed the changes in the intra- and extracellular low molecular weight metabolite levels of Chlorogloeopsis fritschii (C. fritschii) during 48 h of photosynthetically active radiation (PAR) supplemented with UV-B (15 µmol m^-2 s^-1 of PAR plus 3 µmol m^-2 s^-1 of UV-B) and intracellular levels during 48 h of PAR only (15 µmol m^-2 s^-1) with sampling points at 0, 2, 6, 12, 24 and 48 h. Gas chromatography-mass spectrometry (GC-MS) was used as a metabolite profi

SUBMITTER: Kultschar B 

PROVIDER: S-EPMC6523833 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature