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Proteome Map of the...
Proteome Map of the Chloroplast Lumen of Arabidopsis thaliana
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- Schubert, Maria (author)
- Södertörns högskola,Avdelning Naturvetenskap,Karolinska Institute
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- Petersson, Ulrika A (author)
- Stockholms universitet,Södertörns högskola,Avdelning Naturvetenskap,Stockholm University,Institutionen för biokemi och biofysik
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- Haas, Brian J (author)
- Institute for Genomic Research, Rockville, USA
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- Funk, Christiane (author)
- Stockholm University
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- Schröder, Wolfgang (author)
- Södertörns högskola,Avdelning Naturvetenskap
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- Kieselbach, Thomas (author)
- Karolinska Institute
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(creator_code:org_t)
- American Society for Biochemistry and Molecular Biology, 2002
- 2002
- English.
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In: Journal of Biological Chemistry. - : American Society for Biochemistry and Molecular Biology. - 0021-9258 .- 1083-351X. ; 277:10, s. 8354-8365
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Abstract
Subject headings
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- The thylakoid membrane of the chloroplast is the center of oxygenic photosynthesis. To better understand the function of the luminal compartment within the thylakoid network, we have carried out a systematic characterization of the luminal thylakoid proteins from the model organism Arabidopsis thaliana. Our data show that the thylakoid lumen has its own specific proteome, of which 36 proteins were identified. Besides a large group of peptidyl-prolyl cis-trans isomerases and proteases, a family of novel PsbP domain proteins was found. An analysis of the luminal signal peptides showed that 19 of 36 luminal precursors were marked by a twin-arginine motif for import via the Tat pathway. To compare the model organism Arabidopsis with another typical higher plant, we investigated the proteome from the thylakoid lumen of spinach and found that the luminal proteins from both plants corresponded well. As a complement to our experimental investigation, we made a theoretical prediction of the luminal proteins from the whole Arabidopsis genome and estimated that the thylakoid lumen of the chloroplast contains ~80 proteins.
Subject headings
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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