Isolation and characterization of phycoerythrocyanin and chromatic adaptation of the thermophilic cyanobacterium Mastigocladus laminosus |
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| Authors: | Paul Füglistaller Herbert Widmer Walter Sidler Gerhard Frank Herbert Zuber |
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| Institution: | (1) Institut für Molekularbiologie und Biophysik, ETH-Hönggerberg, CH-8093 Zürich, Switzerland |
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| Abstract: | The thermophilic cyanobacterium Mastigocladus laminosus exhibits chromatic adaptation: In green light the production of the phycobiliprotein phycoerythrocyanin is enhanced drastically.Phycoerythrocyanin was characterised with respect to its molecular weight, isoelectric point, absorption spectra and size of its aggregates. The two subunits of the protein were separated and characterised according to these criteria. Their chromophore contents, amino acid compositions and N-terminal amino acid sequences were also determined. The sequences were compared with those of allophycocyanin and C-phycocyanin from Mastigocladus laminosus.Abbreviations PEC
phycoerythrocyanin
-  -PEC
-subunit of PEC
-  -PEC
-subunit of PEC
- PE
phycoerythrin
- PC
phycocyanin
- APC
allophycocyanin
- SDS PAGE
sodium dodecyl sulfate polyacrylamide gel electrophoresis
- chl a
chlorophyll a |
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| Keywords: | Phycobiliproteins Light harvesting protein pigment complex Phycoerythrocyanin Mastigociadus laminosus Chromamatic adaptation |
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