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Factors Influencing Transformation Frequency of Tomato (Lycopersicon Esculentum)

Overview
Journal Plant Cell Rep
Publisher Springer
Date 2013 Nov 9
PMID 24201880
Citations 23
Authors
J S van Roekel
B Damm
L S Melchers
A Hoekema
Affiliations
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Abstract

We developed an efficient procedure for transformation and regeneration of L. esculentum cv. Moneymaker from cotyledon explants. The effect of two parameters on the transformation frequency was investigated in detail. The use of feeder layers during cocultivation proved to be critical. In addition, it was found that Agrobacterium strains harbouring a L,L-succinamopine type helper plasmid yielded significantly higher transformation frequencies than those with octopine or nopaline type helper plasmids. The optimized protocol was used to obtain transformation frequencies averaging 9%. Of the plants produced approximately 80% proved to be diploid, of which 67% contained the transgene(s) on a single locus.

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