NDLI: Activation Tagging Using the En-I Maize Transposon System in Arabidopsis

Content Provider	PubMed Central
Author	Marsch-martinez, Nayelli Greco, Raffaella Arkel, Gert Van Luis, Herrera-estrella Pereira, Andy
Copyright Year	2002
Abstract	A method for the generation of stable activation tag inserts was developed in Arabidopsis using the maize (Zea mays) En-I transposon system. The method employs greenhouse selectable marker genes that are useful to efficiently generate large populations of insertions. A population of about 8,300 independent stable activation tag inserts has been produced. Greenhouse-based screens for mutants in a group of plants containing about 2,900 insertions revealed about 31 dominant mutants, suggesting a dominant mutant frequency of about 1%. From the first batch of about 400 stable insertions screened in the greenhouse, four gain-in-function, dominant activation-tagged, morphological mutants were identified. A novel gain-in-function mutant called thread is described, in which the target gene belongs to the same family as the YUCCA flavin-mono-oxygenase that was identified by T-DNA activation tagging. The high frequency of identified gain-in-function mutants in the population suggests that the En-I system described here is an efficient strategy to saturate plant genomes with activation tag inserts. Because only a small number of primary transformants are required to generate an activation tag population, the En-I system appears to be an attractive alternative to study plant species where the present transformation methods have low efficiencies.
Related Links	http://dx.doi.org/10.1104/pp.003327
Ending Page	1556
Page Count	13
Starting Page	1544
File Format	PDF
ISSN	00320889
e-ISSN	15322548
Journal	Plant Physiology
Issue Number	4
Volume Number	129
Language	English
Publisher	American Society of Plant Physiologists
Publisher Date	2002-08-01
Access Restriction	Open
Rights Holder	American Society of Plant Physiologists
Subject Keyword	Plant Science Genetics Physiology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Genetics Physiology Plant Science

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