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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.09.023
|2 doi
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|a pubmed25n0963.xml
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|a (DE-627)NLM288973410
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|a (NLM)30261469
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|a (PII)S0981-9428(18)30422-4
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Trotta, Andrea
|e verfasserin
|4 aut
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|a Isolation and characterization of a photosystem II preparation from thylakoid membranes of the extreme halophyte Salicornia veneta Pignatti et Lausi
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 26.11.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier Masson SAS. All rights reserved.
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|a Salicornia veneta (Pignatti et Lausi) is an extreme halophyte living in salt marsh where NaCl concentration may be as high as 1 M. Here we report on the isolation and characterization of a PSII preparation obtained by Triton X-100 solubilisation of the thylakoid membrane. By a combination of gel electrophoresis, immunoblotting and mass spectrometry, the depletion of a number of PSII proteins such as PsbQ, PsbM and PsbT was highlighted. Moreover, the requirement of Cl- and Ca2+ for optimal oxygen evolution was determined, showing that in absence of PsbQ a higher level of these ions are required. At high Cl- concentrations, oxygen evolution was inhibited in the same way in Salicornia veneta and spinach. Reconstitution of Salicornia veneta PSII preparation with partially purified spinach PsbP and PsbQ restored oxygen evolution activity at low Cl- and Ca2+ concentrations. Adaptation to high salt makes several PSII proteins dispensable
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|a Journal Article
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|a Halophyte
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|a Photosystem II
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|a Salicornia veneta
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|a Chlorides
|2 NLM
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|a Photosystem II Protein Complex
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Oxygen
|2 NLM
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|a S88TT14065
|2 NLM
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|a Calcium
|2 NLM
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|a SY7Q814VUP
|2 NLM
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| 700 |
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|a Barera, Simone
|e verfasserin
|4 aut
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| 700 |
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|a Marsano, Francesco
|e verfasserin
|4 aut
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| 700 |
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|a Osella, Domenico
|e verfasserin
|4 aut
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| 700 |
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|a Musso, Davide
|e verfasserin
|4 aut
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| 700 |
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|a Pagliano, Cristina
|e verfasserin
|4 aut
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|a Andreucci, Flora
|e verfasserin
|4 aut
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| 700 |
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|a Barbato, Roberto
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 132(2018) vom: 05. Nov., Seite 356-362
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
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|g volume:132
|g year:2018
|g day:05
|g month:11
|g pages:356-362
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|u http://dx.doi.org/10.1016/j.plaphy.2018.09.023
|3 Volltext
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