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Pregled bibliografske jedinice broj: 980549

Topology of TROL protein in thylakoid membranes of Arabidopsis thaliana


Vojta, Lea; Fulgosi, Hrvoje
Topology of TROL protein in thylakoid membranes of Arabidopsis thaliana // Physiologia plantarum, 166 (2019), 1, Special Issue: Photosynthesis; 300-308 doi:10.1111/ppl.12927 (međunarodna recenzija, članak, znanstveni)


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Naslov
Topology of TROL protein in thylakoid membranes of Arabidopsis thaliana

Autori
Vojta, Lea ; Fulgosi, Hrvoje

Izvornik
Physiologia plantarum (0031-9317) 166 (2019), 1, Special Issue: Photosynthesis; 300-308

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
TROL ; FNR ; membrane domains ; membrane extraction ; thermolysin ; photosynthesis

Sažetak
TROL (thylakoid rhodanase‐like protein) is a nuclear‐encoded protein of thylakoid membranes required for tethering of FNR (ferredoxin:NADPH oxydoreductase). It has been proposed that the dynamic interaction of TROL with flavoenzyme FNR, influenced by environmental light conditions, regulates the fate of photosynthetic electrons, directing them either to NADPH synthesis or to other acceptors, including ROS detoxification pathways. Inside the chloroplasts, TROL has a dual localization: as inner membrane precursor form and a thylakoid membrane mature form, which has been confirmed by several large‐scale chloroplast proteomics studies, as well as protein import experiments. Unlike the localization, the topology of TROL in the membranes, which is a prerequisite for further studies of its properties and function, has not been experimentally confirmed yet. Thermolysin was proven to be a valuable protease to probe the surface of chloroplasts and membranes in general. By treating the total chloroplast membranes using increasing protease concentration, sequential degradation of TROL was observed, indicating protected polypeptides of TROL and possible domain orientation. To further substantiate the obtained results, TROL‐overexpressing Arabidopsis line (OX) and line in which the central rhodanase domain (RHO) has been partially deleted (ΔRHO), were used as well. While OX line showed the same degradation pattern of TROL as the wild type, surprisingly, TROL from ΔRHO membranes was not detectable even at the lowest protease concentration applied, indicating the importance of this domain to the integrity of TROL. In conclusion, TROL is a polytopic protein with a stroma‐exposed C‐terminal FNR‐binding region, and the thylakoid lumen‐located RHO domain.

Izvorni jezik
Engleski

Znanstvena područja
Biologija



POVEZANOST RADA


Projekti:
HRZZ-IP-2014-09-1173 - Molekularni mehanizmi alternativne raspodjele elektrona u fotosintezi (PHOTOSYNTH) (Fulgosi, Hrvoje, HRZZ - 2014-09) ( POIROT)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Hrvoje Fulgosi (autor)

Avatar Url Lea Vojta (autor)

Poveznice na cjeloviti tekst rada:

doi onlinelibrary.wiley.com

Citiraj ovu publikaciju:

Vojta, Lea; Fulgosi, Hrvoje
Topology of TROL protein in thylakoid membranes of Arabidopsis thaliana // Physiologia plantarum, 166 (2019), 1, Special Issue: Photosynthesis; 300-308 doi:10.1111/ppl.12927 (međunarodna recenzija, članak, znanstveni)
Vojta, L. & Fulgosi, H. (2019) Topology of TROL protein in thylakoid membranes of Arabidopsis thaliana. Physiologia plantarum, 166 (1, Special Issue: Photosynthesis), 300-308 doi:10.1111/ppl.12927.
@article{article, author = {Vojta, Lea and Fulgosi, Hrvoje}, year = {2019}, pages = {300-308}, DOI = {10.1111/ppl.12927}, keywords = {TROL, FNR, membrane domains, membrane extraction, thermolysin, photosynthesis}, journal = {Physiologia plantarum}, doi = {10.1111/ppl.12927}, volume = {166}, number = {1, Special Issue: Photosynthesis}, issn = {0031-9317}, title = {Topology of TROL protein in thylakoid membranes of Arabidopsis thaliana}, keyword = {TROL, FNR, membrane domains, membrane extraction, thermolysin, photosynthesis} }
@article{article, author = {Vojta, Lea and Fulgosi, Hrvoje}, year = {2019}, pages = {300-308}, DOI = {10.1111/ppl.12927}, keywords = {TROL, FNR, membrane domains, membrane extraction, thermolysin, photosynthesis}, journal = {Physiologia plantarum}, doi = {10.1111/ppl.12927}, volume = {166}, number = {1, Special Issue: Photosynthesis}, issn = {0031-9317}, title = {Topology of TROL protein in thylakoid membranes of Arabidopsis thaliana}, keyword = {TROL, FNR, membrane domains, membrane extraction, thermolysin, photosynthesis} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


Citati:





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