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20250211170134.0 |
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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2010.05.005
|2 doi
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|a pubmed25n0664.xml
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|a (DE-627)NLM199123330
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|a (NLM)20580123
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Ouyang, Min
|e verfasserin
|4 aut
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| 245 |
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|a The photosensitive phs1 mutant is impaired in the riboflavin biogenesis pathway
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|c 2010
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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 15.02.2011
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|a Date Revised 09.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2010 Elsevier GmbH. All rights reserved.
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|a A photosensitive (phs1) mutant of Arabidopsis thaliana was isolated and characterized. The PHS1 gene was cloned using a map-based approach. The gene was found to encode a protein containing a deaminase-reductase domain that is involved in the riboflavin pathway. The phenotype and growth of the phs1 mutant were comparable to that of the wild-type when the plants were grown under low light conditions. When the light intensity was increased, the mutant was characterized by stunted growth and bleached leaves as well as a decrease in FNR activity. The NADPH levels declined, whereas the NADP(+) levels increased, leading to a decrease in the NADPH/NADP(+) ratio. The mutant suffered from severe photooxidative damage with an increase in antioxidant enzyme activity and a drastic reduction in the levels of chlorophyll and photosynthetic proteins. Supplementing the mutant with exogenous FAD rescued the photosensitive phenotype, even under increasing light intensity. The riboflavin pathway therefore plays an important role in protecting plants from photooxidative damage
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis Proteins
|2 NLM
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|a Chlorophyll
|2 NLM
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|a 1406-65-1
|2 NLM
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|a Flavin-Adenine Dinucleotide
|2 NLM
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|a 146-14-5
|2 NLM
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|a NADP
|2 NLM
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|a 53-59-8
|2 NLM
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|a chlorophyll P 700
|2 NLM
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|a 53321-11-2
|2 NLM
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|a Ferredoxin-NADP Reductase
|2 NLM
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|a EC 1.18.1.2
|2 NLM
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|a PHS1 protein, Arabidopsis
|2 NLM
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|a EC 3.1.3.48
|2 NLM
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|a Protein Tyrosine Phosphatases
|2 NLM
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| 650 |
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|a EC 3.1.3.48
|2 NLM
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| 650 |
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|a Riboflavin
|2 NLM
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| 650 |
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|a TLM2976OFR
|2 NLM
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| 700 |
1 |
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|a Ma, Jinfang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zou, Meijuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Jinkui
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Liyuan
|e verfasserin
|4 aut
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| 700 |
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|a Lu, Congming
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Lixin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 167(2010), 17 vom: 15. Nov., Seite 1466-76
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:167
|g year:2010
|g number:17
|g day:15
|g month:11
|g pages:1466-76
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|u http://dx.doi.org/10.1016/j.jplph.2010.05.005
|3 Volltext
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|d 167
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