Chloroplast ultrastructure and thylakoid polypeptide composition are affected by different salt concentrations in the halophytic plant Arthrocnemum macrostachyum

Copyright © 2011 Elsevier GmbH. All rights reserved.

Détails bibliographiques
Publié dans:Journal of plant physiology. - 1979. - 169(2012), 2 vom: 15. Jan., Seite 111-6
Auteur principal: Trotta, Andrea (Auteur)
Autres auteurs: Redondo-Gómez, Susana, Pagliano, Cristina, Clemente, Manuel Enrique Figueroa, Rascio, Nicoletta, La Rocca, Nicoletta, Antonacci, Alessia, Andreucci, Flora, Barbato, Roberto
Format: Article en ligne
Langue:English
Publié: 2012
Accès à la collection:Journal of plant physiology
Sujets:Comparative Study Journal Article Research Support, Non-U.S. Gov't Cytochromes Membrane Proteins Photosystem I Protein Complex Photosystem II Protein Complex Plant Growth Regulators thylakoid polypeptides Sodium Chloride 451W47IQ8X
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245 1 0 |a Chloroplast ultrastructure and thylakoid polypeptide composition are affected by different salt concentrations in the halophytic plant Arthrocnemum macrostachyum 
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520 |a The effect of different external salt concentrations, from 0 mM to 1030 mM NaCl, on photosynthetic complexes and chloroplast ultrastructure in the halophyte Arthrocnemum macrostachyum was studied. Photosystem II, but not Photosystem I or cytochrome b6/f, was affected by salt treatment. We found that the PsbQ protein was never expressed, whereas the amounts of PsbP and PsbO were influenced by salt in a complex way. Analyses of Photosystem II intrinsic proteins showed an uneven degradation of subunits with a loss of about 50% of centres in the 0 mM NaCl treated sample. Also the shape of chloroplasts, as well as the organization of thylakoid membranes were affected by NaCl concentration, with many grana containing few thylakoids at 1030 mM NaCl and thicker grana and numerous swollen thylakoids at 0 mM NaCl. The PsbQ protein was found to be depleted also in thylakoids from other halophytes 
650 4 |a Comparative Study 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Cytochromes  |2 NLM 
650 7 |a Membrane Proteins  |2 NLM 
650 7 |a Photosystem I Protein Complex  |2 NLM 
650 7 |a Photosystem II Protein Complex  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a thylakoid polypeptides  |2 NLM 
650 7 |a Sodium Chloride  |2 NLM 
650 7 |a 451W47IQ8X  |2 NLM 
700 1 |a Redondo-Gómez, Susana  |e verfasserin  |4 aut 
700 1 |a Pagliano, Cristina  |e verfasserin  |4 aut 
700 1 |a Clemente, Manuel Enrique Figueroa  |e verfasserin  |4 aut 
700 1 |a Rascio, Nicoletta  |e verfasserin  |4 aut 
700 1 |a La Rocca, Nicoletta  |e verfasserin  |4 aut 
700 1 |a Antonacci, Alessia  |e verfasserin  |4 aut 
700 1 |a Andreucci, Flora  |e verfasserin  |4 aut 
700 1 |a Barbato, Roberto  |e verfasserin  |4 aut 
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