Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0014-5793(03)01259-6
Title: Investigation of cytokinin-deficient phenotypes in Arabidopsis by ectopic expression of orchid DSCKX1
Authors: Yang, S.
Yu, H. 
Xu, Y.
Goh, C.J. 
Keywords: Cytokinin
Cytokinin oxidase
DSCKX1
Shoot/root formation
Transgenic Arabidopsis
Issue Date: 4-Dec-2003
Source: Yang, S., Yu, H., Xu, Y., Goh, C.J. (2003-12-04). Investigation of cytokinin-deficient phenotypes in Arabidopsis by ectopic expression of orchid DSCKX1. FEBS Letters 555 (2) : 291-296. ScholarBank@NUS Repository. https://doi.org/10.1016/S0014-5793(03)01259-6
Abstract: The plant hormone cytokinin plays a major role in regulating plant growth and development. Here we generated cytokinin-reduction Arabidopsis plants by overexpressing a heterologous cytokinin oxidase gene DSCKX1 from Dendrobium orchid. These transgenic plants exhibited reduced biomass, rapid root growth, decreased ability to form roots in vitro, and reduced response to cytokinin in growing calli and roots. Furthermore, the expression of KNAT1, STM, and CycD3 genes was significantly reduced in the transgenic plants, suggesting that cytokinin may function to control the cell cycles and shoot/root development via regulation of these genes. © 2003 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
Source Title: FEBS Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/100969
ISSN: 00145793
DOI: 10.1016/S0014-5793(03)01259-6
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