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Red-shifted light-harvesting system of freshwater eukaryotic alga Trachydiscus minutus (Eustigmatophyta, Stramenopila)
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SYSNO ASEP 0511871 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Red-shifted light-harvesting system of freshwater eukaryotic alga Trachydiscus minutus (Eustigmatophyta, Stramenopila) Author(s) Litvín, Radek (BC-A) RID, ORCID
Bína, David (BC-A) RID, ORCID
Herbstová, Miroslava (BC-A) RID
Pazderník, Marek (MBU-M)
Kotabová, Eva (MBU-M) RID, ORCID
Gardian, Zdenko (BC-A) RID
Trtílek, M. (CZ)
Prášil, Ondřej (MBU-M) RID, ORCID
Vácha, František (BC-A) RIDNumber of authors 9 Source Title Photosynthesis Research. - : Springer - ISSN 0166-8595
Roč. 142, č. 2 (2019), s. 137-151Number of pages 15 s. Language eng - English Country NL - Netherlands Keywords fucoxanthin-chlorophyll proteins ; wavelength absorbing antenna ; marine centric diatom Subject RIV BO - Biophysics OECD category Biophysics Subject RIV - cooperation Institute of Microbiology - Biophysics Method of publishing Open access Institutional support BC-A - RVO:60077344 ; MBU-M - RVO:61388971 UT WOS 000495772700002 EID SCOPUS 85074745268 DOI 10.1007/s11120-019-00662-5 Annotation Survival of phototrophic organisms depends on their ability to collect and convert enough light energy to support their metabolism. Phototrophs can extend their absorption cross section by using diverse pigments and by tuning the properties of these pigments via pigment-pigment and pigment-protein interaction. It is well known that some cyanobacteria can grow in heavily shaded habitats by utilizing far-red light harvested with far-red-absorbing chlorophylls d and f. We describe a red-shifted light-harvesting system based on chlorophyll a from a freshwater eustigmatophyte alga Trachydiscus minutus (Eustigmatophyceae, Goniochloridales). A comprehensive characterization of the photosynthetic apparatus of T. minutus is presented. We show that thylakoid membranes of T. minutus contain light-harvesting complexes of several sizes differing in the relative amount of far-red chlorophyll a forms absorbing around 700 nm. The pigment arrangement of the major red-shifted light-harvesting complex is similar to that of the red-shifted antenna of a marine alveolate alga Chromera velia. Evolutionary aspects of the algal far-red light-harvesting complexes are discussed. The presence of these antennas in eustigmatophyte algae opens up new ways to modify organisms of this promising group for effective use of far-red light in mass cultures. Workplace Biology Centre (since 2006) Contact Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Year of Publishing 2020 Electronic address https://link.springer.com/article/10.1007%2Fs11120-019-00662-5
Number of the records: 1