Evidence map›Paper›PMID 11038561›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1997

Characterization of the transposition pattern of the Ac element in Arabidopsis thaliana using endonuclease I-SceI.

C Machida, H Onouchi, J Koizumi, S Hamada, E Semiarti, S Torikai, Y Machida

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Article in Proceedings of the National Academy of Sciences of the United States of America, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

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28citing papers in PubMed
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3 · Its place in the literature

Who cites it

28 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

C MachidaLaboratory of Developmental Biology, Division of Biological Science, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya 464-01, Japan.
H Onouchi
J Koizumi
S Hamada
E Semiarti
S Torikai
Y Machida

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We have investigated physical distances and directions of transposition of the maize transposable element Ac in Arabidopsis thaliana. We prepared a transferred DNA (T-DNA) construct that carried a non-autonomous derivative of Ac with a site for cleavage by endonuclease I-SceI (designated dAc-I-RS element). Another cleavage site was also introduced into the T-DNA region outside dAc-I-RS. Three transgenic Arabidopsis plants were generated, each of which had a single copy of the T-DNA at a different chromosomal location. These transgenic plants were crossed with the Arabidopsis that carried the gene for Ac transposase and progeny in which dAc-I-RS had been transposed were isolated. After digestion of the genomic DNA of these progeny with endonuclease I-SceI, sizes of segment of DNA were determined by pulse-field gel electrophoresis. We also performed linkage analysis for the transposed elements and sites of mutations near the elements. Our results showed that 50% of all transposition events had occurred within 1,700 kb on the same chromosome, with 35% within 200 kb, and that the elements transposed in both directions on the chromosome with roughly equal probability. The data thus indicate that the Ac-Ds system is most useful for tagging of genes that are present within 200 kb of the chromosomal site of Ac in Arabidopsis. In addition, determination of the precise localization of the transposed dAc-I-RS element should definitely assist in map-based cloning of genes around insertion sites.

Identifiers

PMID11038561
PMCPMC23073

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