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DNA Res. 2000 Feb 28;7(1):9-17.

Tagged mutagenesis and gene-trap in the moss, Physcomitrella patens by shuttle mutagenesis.

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1
Department of Biological Sciences, Graduate School of Science, the University of Tokyo, Japan.

Abstract

The moss, Physcomitrella patens has been used as a useful material in many fields, because of its simple body plan, ease of gene targeting, and other reasons. Although many mutants have been reported, no method to isolate the corresponding genes was reported. We developed a gene tagging and gene-trap system in P. patens by using the shuttle mutagenesis technique, which has been used in the budding yeast. In 5264 tagged lines, 203 mutants with altered developmental or morphological phenotypes were obtained. In 129 of 4757 gene-trap lines, beta-glucuronidase (GUS) activity was detected in some tissue. Although multiple copies of a tag were detected in many tagged lines by Southern analyses, most copies are likely integrated at the same locus according to PCR analyses.

PMID:
10718194
[Indexed for MEDLINE]
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