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Proteomic identification of differentially expressed proteins in Arabidopsis mutant ntm1-D with disturbed cell division

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Authors
Lee, Kyung Hyeon; Kim, Youn-Sung; Park, Chung-Mo; Kim, Hie-Joon
Issue Date
2008-02
Citation
Molecules and Cells, Vol.25 No.1, pp.70-77
Keywords
annexinArabidopsis thalianaNACNTM1proteomicsstress response
Abstract
Proteome analysis was performed to identify proteins differentially, expressed in an Arabidopsis mutant, ntm1-D. In this mutant. the NAC transcription factor NTM1 is constitutively. expressed and the resultant phenotypic changes include dwarfism, serrated leaves, and altered floral structures, probably due to reduced cell division. Marked elevation of proteins mediating environmental stress responses, including annexin, vegetative storage proteins, beta-glucosidase homolog 1, and glutathione transferases was observed. Overexpression of annexin was confirmed by RT-PCR and Western blotting. These observations suggest that the reduced growth observed in the ntm1-D mutant is caused by enhancement of its stress responses, possibly resulting in a cost in fitness.
ISSN
1016-8478
URI
https://hdl.handle.net/10371/172011
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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