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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/ers072
|2 doi
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|a pubmed25n0721.xml
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|a (DE-627)NLM216490383
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|a (NLM)22447966
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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 |
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|a Yang, Songguang
|e verfasserin
|4 aut
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|a AtACDO1, an ABC1-like kinase gene, is involved in chlorophyll degradation and the response to photooxidative stress in Arabidopsis
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.11.2012
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|a Date Revised 04.07.2012
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a ABC1 (activity of bc1 complex) is a newly discovered atypical kinase in plants. Here, it is reported that an ABC1 protein kinase-encoded gene, AtACDO1 (ABC1-like kinase related to chlorophyll degradation and oxidative stress), located in chloroplasts, was up-regulated by methyl viologen (MV) treatment. AtACDO1 RNAi (RNA interference) plants showed developmental defects, including yellow-green leaves and reduced contents of carotenoids and chlorophyll; the chlorophyll reduction was associated with a change in the numbers of chlorophyll-binding proteins of the photosynthetic complexes. Chlorophyllide (Chlide) a the first product of chlorophyll degradation, and pheophorbide a, a subsequent intermediate of Chlide a degradation, were increased in AtACDO1 RNAi plants. The AtACDO1 RNAi plants were more sensitive to high light and MV than wild-type plants. The AtACDO1 RNAi plants had lower transcript levels of the oxidative stress response genes FSD1, CSD1, CAT1, and UTG71C1 after MV treatment compared with wild-type or 35S::AtACDO1 plants. Taken together, the results suggest that the chloroplast AtACDO1 protein plays important roles in mediating chlorophyll degradation and maintaining the number of chlorophyll-binding photosynthetic thylakoid membranes, as well as in the photooxidative stress response
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Chlorophyllides
|2 NLM
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|a Chloroplast 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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| 650 |
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|a Protein Kinases
|2 NLM
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|a EC 2.7.-
|2 NLM
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| 700 |
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|a Zeng, Xueqin
|e verfasserin
|4 aut
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|a Li, Tao
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Ming
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Shengchun
|e verfasserin
|4 aut
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| 700 |
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|a Gao, Sujuan
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Yaqin
|e verfasserin
|4 aut
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| 700 |
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|a Peng, Changliang
|e verfasserin
|4 aut
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|a Li, Ling
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Chengwei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 63(2012), 10 vom: 01. Juni, Seite 3959-73
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:63
|g year:2012
|g number:10
|g day:01
|g month:06
|g pages:3959-73
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|u http://dx.doi.org/10.1093/jxb/ers072
|3 Volltext
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