Identification of microcystins from three collection strains of Microcystis aeruginosa

Add time:08/20/2019    Source:sciencedirect.com

Microcystins (MCs) are toxic cyclic heptapeptides produced by various cyanobacteria genera, especially Microcystis. We identified 10 out of 12 MCs produced by three Microcystis aeruginosa strains from cyanobacteria collections, UTEX 2666, UTEX 2670 and UAM 1303, by using two analytical methods: Matrix-assisted Laser Desorption Ionization Time of Flight Mass Spectrometry (MALDI-TOF/MS) and HPLC Photodiode Array Detector coupled to a hybrid Quadrupole Time of Flight Mass Spectrometry (HPLC-PDA-QTOF/MS). MALDI-TOF/MS failed to detect non-polar MCs, such as MC-LY and MC-LW. HPLC-QTOF/MS permitted the accurate identification of most MCs present in methanolic extracts. Besides, three new MCs, namely: [D-Glu(OCH3)6, D-Asp3] MC-LAba, MC-YL and MC-YM were detected by HPLC-QTOF/MS.

We also recommend Trading Suppliers and Manufacturers of microcystin YM (cas 101043-35-0). Pls Click Website Link as below: cas 101043-35-0 suppliers

Prev:Elimination kinetics and detoxification mechanisms of microcystin-LR during UV/Chlorine process
Next:Effects of phytoplankton extracts containing the toxin microcystin-LR on the survival and reproduction of cladocerans)