Transposon insertion site profiling chip (TIP-chip).

Transposon insertion site profiling chip (TIP-chip). Research Abstract Details 

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Transposon insertion site profiling chip (TIP-chip). Abstract Text:

Sarah J Wheelan,Lisa Z Scheifele,Francisco ,Rafael A Irizarry,Jef D Boeke,

Mobile elements are important components of our genomes, with diverse and significant effects on phenotype. Not only can transposons inactivate genes by direct disruption and shuffle the genome through recombination, they can also alter gene expression subtly or powerfully. Currently active transposons are highly polymorphic in host populations, including, among hundreds of others, L1 and Alu elements in humans and Ty1 elements in yeast. For this reason, we wished to develop a simple genome-wide method for identifying all transposons in any given sample. We have designed a transposon insertion site profiling chip (TIP-chip), a microarray intended for use as a high-throughput technique for mapping transposon insertions. By selectively amplifying transposon flanking regions and hybridizing them to the array, we can locate all transposons present in a sample. We have tested the TIP-chip extensively to map Ty1 retrotransposon insertions in yeast and have achieved excellent results in two laboratory strains as well as in evolved Ty1 high-copy strains. We are able to identify all of the theoretically detectable transposons in the FY2 lab strain, with essentially no false positives. In addition, we mapped many new transposon copies in the high-copy Ty1 strain and determined its Ty1 insertion pattern.

Transposon insertion site profiling chip (TIP-chip). Publishing Authors By Initials

SJ Wheelan,LZ Scheifele,F ,RA Irizarry,JD Boeke,

For similar investigative techniques: genetic techniques: sequence analysis: sequence analysis, dna research abstracts see: investigative techniques: genetic techniques: sequence analysis: sequence analysis, dna research

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Transposon insertion site profiling chip (TIP-chip). Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Proceedings of the National Academy of Sciences of

VOLUME: 103

Page Numbers: 17632-7

Journal Abbreviation: Proc. Natl. Acad. Sci. U.S.A.

ISSN: 0027-8424

DAY: 13

MONTH: 11

YEAR: 2006

Transposon insertion site profiling chip (TIP-chip). Information

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LANGUAGE: eng

NlmUniqueID: 7505876

Transposon insertion site profiling chip (TIP-chip). Keywords Mesh Terms:

KEYWORDS: Sequence Analysis, DNA

MESH TERMS: genetics

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Substance Name: Retroelements

Registry Number: 0

Grant and Affiliation Information for Transposon insertion site profiling chip (TIP-chip).

AFFILIATION: High Throughput Biology Center and Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.

Country: United States

AGENCY: United States NIGMS

GRANT: GM36481

ACRONYM: GM

MEDLINETA: Proc Natl Acad Sci U S A

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