... reducedlevels of b-phycocyanin and one rod linker.Keywords: phycobilisomes; UV-B i rradiation; Synechocystis;HPLC; mass spectrometry.1Phycobilisomes are present in prokaryotic cyanobacteriaand eukaryotic ... SDS/PAGE of the main HPLC peakonce collected, dried and loaded onto 16.5% T 5 .4% C Tris/tricine gel.Lines 1–4 refer to the PCa,PCb,APCa and APCb, respectively. PC,phycocyanin; APC, allophycocyanin.Ó ... of Synechococc us sp. PCC 7942 showed photodestruction of both a-andb-phycocyanins, but not of allophycocyaninswhich also contain bilins [28]. Because it is difficult toattribute the speci c damage...