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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2011.03782.x
|2 doi
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|a pubmed24n0697.xml
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|a (DE-627)NLM209124857
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|a (NLM)21668884
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Luciński, Robert
|e verfasserin
|4 aut
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|a The thylakoid protease Deg2 is involved in stress-related degradation of the photosystem II light-harvesting protein Lhcb6 in Arabidopsis thaliana
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|c 2011
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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 30.12.2011
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|a Date Revised 23.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2011 The Authors. New Phytologist © 2011 New Phytologist Trust.
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|a • The thylakoid protease Deg2 is a serine-type protease peripherally attached to the stromal side of the thylakoid membrane. Given the lack of knowledge concerning its function, two T-DNA insertion lines devoid of Deg2 were prepared to study the functional importance of this protease in Arabidopsis thaliana. • The phenotypic appearance of deg2 mutants was studied using a combination of stereo and transmission electron microscopy, and short-stress-mediated degradation of apoproteins of minor light-harvesting antennae of photosystem II (PSII) was analysed by immunoblotting in the mutants in comparison with wild-type plants. • Deg2 repression produced a phenotype in which reduced leaf area and modified chloroplast ultrastructure of older leaves were the most prominent features. In contrast to the wild type, the chloroplasts of second-whorl leaves of 4-wk-old deg2 mutants did not display features typical of the early senescence phase, such as undulation of the chloroplast envelope and thylakoids. The ability to degrade the photosystem II light-harvesting protein Lhcb6 apoprotein in response to brief high-salt, wounding, high-temperature and high-irradiance stress was demonstrated to be impaired in deg2 mutants. • Our results suggest that Deg2 is required for normal plant development, including the chloroplast life cycle, and has an important function in the degradation of Lhcb6 in response to short-duration stresses
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Apoproteins
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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|a Chlorophyll Binding Proteins
|2 NLM
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|a DNA, Bacterial
|2 NLM
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|a Lhcb6 protein, Arabidopsis
|2 NLM
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|a Light-Harvesting Protein Complexes
|2 NLM
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|a Photosystem II Protein Complex
|2 NLM
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|a T-DNA
|2 NLM
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| 650 |
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|a Aprotinin
|2 NLM
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| 650 |
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|a 9087-70-1
|2 NLM
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|a Deg2 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 3.4.21.-
|2 NLM
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|a Serine Endopeptidases
|2 NLM
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|a EC 3.4.21.-
|2 NLM
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1 |
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|a Misztal, Lucyna
|e verfasserin
|4 aut
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1 |
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|a Samardakiewicz, Sławomir
|e verfasserin
|4 aut
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| 700 |
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|a Jackowski, Grzegorz
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 192(2011), 1 vom: 15. Okt., Seite 74-86
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:192
|g year:2011
|g number:1
|g day:15
|g month:10
|g pages:74-86
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| 856 |
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|u http://dx.doi.org/10.1111/j.1469-8137.2011.03782.x
|3 Volltext
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|d 192
|j 2011
|e 1
|b 15
|c 10
|h 74-86
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