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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/25826
Title: Effect of exogenous calcium on Agrobacterium tumefaciens-mediated gene transfer in Hevea brasiliensis (rubber tree) friable calli
Authors: P. Montoro
N. Teinseree
W. Rattana
P. Kongsawadworakul
N. Michaux-Ferriere
Kasetsart University
Department of Agriculture
Mahidol University
CIRAD Centre de Recherche de Montpellier
Keywords: Agricultural and Biological Sciences
Issue Date: 1-Jan-2000
Citation: Plant Cell Reports. Vol.19, No.9 (2000), 851-855
Abstract: The influence of CaCl2was investigated on Agrobacterium tumefaciens-mediated gene transfer in Hevea brasiliensis friable calli which are usually proliferated on maintenance medium (MM) containing 9 mM CaCl2.Five A. tumefaciens strains (C58pMP90, C58pGV2260, AGL1, LBA4404 and EHA 105) and two binary vectors (pGIN and pCAMBIA2301) were tested and the strain EHA105pC2301 was selected to conduct further experiments. The calli were precultured on MM containing a range of CaCl2concentrations, then inoculated with Agrobacterium suspension. Transfer of friable calli from MM containing 9 mM CaCl2to calcium-free medium significantly enhanced the transient β-glucuronidase activity. Interestingly, the use of calcium-free Agrobacterium resuspension medium to inoculate friable calli again dramatically increased the transformation efficiency. Induction of Agrobacterium's virulence with acetosyringone remained an important factor to stimulate transformation.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0033800862&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/25826
ISSN: 07217714
Appears in Collections:Scopus 1991-2000

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