Flower bud dipping or vacuum infiltration—two methods of Arabidopsis thaliana transformation

Flower bud dipping or vacuum infiltration—two methods of Arabidopsis thaliana transformation The purpose of this work was to evaluate two methods (floral dip and vacuum infiltration) of in planta transformation of Arabidopsis thaliana. The key issue of this work is the identification of the developmental stages of A. thaliana flower buds subjected to agroinfection, optimal for the successful transformation. Histological tests performed after agroinfection made it possible to establish the patterns of a GUSPlus reporter gene expression in the examined plants and thus precisely define the range of flower developmental stages most appropriate for efficient transformation. Two plasmids, CAMBIA 1305.1 and CAMBIA 2301, were used. Verification of the transgenic nature of plants was carried out by detection of CaMV::gusA and CaMV::GUSPlus transgenes and their expression in transgenic plants by appropriate molecular and histochemical methods. For the flower dip transformation, three concentrations of Silwet L-77 surfactant and two inoculation times were tested. The most efficient treatment appeared to be 2-min-long flower bud inoculation and 400 μl/l surfactant (pCAMBIA 1305.1 − 1.73%; pCAMBIA 2301 − 2.01%). In the case of vacuum infiltration method, the highest efficiency of the transformation occurred when the inoculation time was 4 min (pCAMBIA 2301 − 1.55%; pCAMBIA 1305.1 − 1.37%). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Flower bud dipping or vacuum infiltration—two methods of Arabidopsis thaliana transformation

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Publisher
Springer Journals
Copyright
Copyright © 2009 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Sciences ; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443709040177
Publisher site
See Article on Publisher Site

Abstract

The purpose of this work was to evaluate two methods (floral dip and vacuum infiltration) of in planta transformation of Arabidopsis thaliana. The key issue of this work is the identification of the developmental stages of A. thaliana flower buds subjected to agroinfection, optimal for the successful transformation. Histological tests performed after agroinfection made it possible to establish the patterns of a GUSPlus reporter gene expression in the examined plants and thus precisely define the range of flower developmental stages most appropriate for efficient transformation. Two plasmids, CAMBIA 1305.1 and CAMBIA 2301, were used. Verification of the transgenic nature of plants was carried out by detection of CaMV::gusA and CaMV::GUSPlus transgenes and their expression in transgenic plants by appropriate molecular and histochemical methods. For the flower dip transformation, three concentrations of Silwet L-77 surfactant and two inoculation times were tested. The most efficient treatment appeared to be 2-min-long flower bud inoculation and 400 μl/l surfactant (pCAMBIA 1305.1 − 1.73%; pCAMBIA 2301 − 2.01%). In the case of vacuum infiltration method, the highest efficiency of the transformation occurred when the inoculation time was 4 min (pCAMBIA 2301 − 1.55%; pCAMBIA 1305.1 − 1.37%).

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Jun 28, 2009

References

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