Efficient screening of Arabidopsis T-DNA insertion lines using degenerate primers

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Abstract

The sequencing of the Arabidopsis plant genome is providing a fuller understanding of the number and types of plant genes. However, in most cases we do not know which genes are responsible for specific metabolic and signal transduction pathways. Analysis of gene function is also often confounded by the presence of multiple isoforms of the gene of interest. Recent advances in PCR-based reverse genetic techniques have allowed the search for plants carrying T-DNA insertions in any gene of interest. Here we report preliminary screening results from an ordered population of nearly 60,470 independently derived T-DNA lines. Degenerate PCR primers were used on large DNA pools (n = 2,025 T-DNA lines) to screen for more than one gene family member at a time. Methods are presented that facilitated the identification and isolation of isoform-specific mutants in almost all members of the Arabidopsis H+-proton ATPase gene family. Multiple mutant alleles were found for several isoforms.

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Young, J. C., Krysan, P. J., & Sussman, M. R. (2001). Efficient screening of Arabidopsis T-DNA insertion lines using degenerate primers. Plant Physiology, 125(2), 513–518. https://doi.org/10.1104/pp.125.2.513

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