A Gateway-based platform for multigene plant transformation

A Gateway-based platform for multigene plant transformation The post-genomic era offers unrivalled opportunities for genetic manipulation of polygenic traits, multiple traits, and multiple gene products. However, remaining technical hurdles make the manipulation of multiple genes in plants difficult. Here we describe a Gateway-based vector system to enable multiple transgenes to be directly linked or fused. The vector system consists of a destination vector and two special attL-flanked entry vectors each containing an attR cassette incompatible with the attL. By multiple rounds of LR recombination reactions, which we call MultiRound Gateway, multiple transgenes can be delivered sequentially and indefinitely into the Gateway-compatible destination vector through alternate use of the two special entry vectors. In our proof-of-principle experiments we have used this vector system to construct a plant transformation vector containing seven functional DNA fragments, including a screening marker gene, two reporter genes and four matrix attachment region sequences. This system provides a platform for fully realizing the potential of plant genetic manipulation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

A Gateway-based platform for multigene plant transformation

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2006 by Springer Science+Business Media B.V.
Subject
Life Sciences; Plant Pathology; Biochemistry, general; Plant Sciences
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1007/s11103-006-9065-3
Publisher site
See Article on Publisher Site

Abstract

The post-genomic era offers unrivalled opportunities for genetic manipulation of polygenic traits, multiple traits, and multiple gene products. However, remaining technical hurdles make the manipulation of multiple genes in plants difficult. Here we describe a Gateway-based vector system to enable multiple transgenes to be directly linked or fused. The vector system consists of a destination vector and two special attL-flanked entry vectors each containing an attR cassette incompatible with the attL. By multiple rounds of LR recombination reactions, which we call MultiRound Gateway, multiple transgenes can be delivered sequentially and indefinitely into the Gateway-compatible destination vector through alternate use of the two special entry vectors. In our proof-of-principle experiments we have used this vector system to construct a plant transformation vector containing seven functional DNA fragments, including a screening marker gene, two reporter genes and four matrix attachment region sequences. This system provides a platform for fully realizing the potential of plant genetic manipulation.

Journal

Plant Molecular BiologySpringer Journals

Published: Aug 29, 2006

References

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