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Transposons/Transposable elements

DNA mediated transposable elements


Tsustsumi M, Koga A, Hori H
Long and short mRNAs transcribed from the medaka fish transposon Tol2 respectively exert positive and negative effects on excision.
Genet. Res. 2003; in press.
Koga A, Iida A, Kamiya M, Hayashi R, Hori H, Ishikawa Y, Tachibana A.
The medaka fish Tol2 transposable element can undergo excision in human and mouse cells.
J Hum Genet. 2003;48(5):231-5.
Koga A, Hori H, Sakaizumi M.
Gene transfer and cloning of flanking chromosomal regions using medaka fish Tol2 transposable element.
Mar. Biotech. 4: 6-11 (2002).
Koga A, Sakaizumi M, Hori H.
Transposable elements in medaka fish. (REVIEW)
Zoolog Sci. 2002 Jan;19(1):1-6.
Koga A, Hori H.
The Tol2 transposable element of the medaka fish: an active DNA-based element naturally occurring in a vertebrate genome. (Review)
Genes Genet Syst. 2001 Feb;76(1):1-8.
Koga A, Hori H.
Detection of de Novo Insertion of the Medaka Fish Transposable Element Tol2.
Genetics. 2000 Nov;156(3):1243-1247.
Kawakami K, Shima A, Kawakami N.
Identification of a functional transposase of the Tol2 element, an Ac- like element from the Japanese medaka fish, and its transposition in the zebrafish germ lineage.
Proc Natl Acad Sci U S A. 2000 Oct 10;97(21):11403-11408.

Koga A, Shimada A, Shima A, Sakaizumi M, Tachida H, Hori H.
Evidence for Recent Invasion of the Medaka Fish Genome by the Tol2 Transposable Element.
Genetics. 2000 May;155(1):273-281.

Koga A, Suzuki M, Maruyama Y, Tsutsumi M, Hori H
Amino acid sequence of a putative transposase protein of the medaka fish transposable element Tol2 deduced from mRNA nucleotide sequences.
FEBS Lett. 1999 Nov 19;461(3):295-298.

Kawakami K, Shima A
Identification of the Tol2 transposase of the medaka fish Oryzias latipes that catalyzes excision of a nonautonomous Tol2 element in zebrafish Danio rerio.
Gene. 1999 Nov 15;240(1):239-244.

Koga A, Hori H
Homogeneity in the structure of the medaka fish transposable element Tol2.
Genet. Res. 73: 7-14 (1999).


Izsvak Z, Ivics Z, Shimoda N, Mohn D, Okamoto H, Hackett PB
Short inverted-repeat transposable elements in teleost fish and implications for a mechanism of their amplification.
J Mol Evol. 1999 Jan;48(1):13-21.

Kawakami K, Koga A, Hori H, Shima A
Excision of the Tol2 transposable element of the medaka fish, Oryzias latipes, in zebrafish, Danio rerio.
Gene 225 (1-2) : 17-22 (1998).

Hori H, Suzuki M, Inagaki H, Oshima T, Koga A
An active Ac-like transposable element in teleost fish.
J. Marine Biotech. 6 (4) 206-207 (1998).

Koga-A, Suzuki, M., Inagaki-H, Bessho-Y, Hori- H
Transposable element in fish
Nature 383; 30-30 (1996).

Koga, A., Inagaki, H., Bessho, Y. and Hori, H.
Insertion of a novel transposable element in the tyrosinase gene is responsible for an albino mutation in the medaka fish, Oryzias latipes.
Mol. Gen. Genet. 249: 400-405 (1995).


RNA mediated transposable elements


Koga A, Hori H, Ishikawa Y.
Gamera, a family of LINE-like repetitive sequences widely distributed in medaka and related fishes.
Heredity 89(6):446-52 (2002).
Volff JN, Korting C, Froschauer A, Sweeney K, Schartl M.
Non-ltr retrotransposons encoding a restriction enzyme-like endonuclease in vertebrates.
J Mol Evol. 2001 Apr;52(4):351-60.
Volff JN, Korting C, Altschmied J, Duschl J, Sweeney K, Wichert K, Froschauer A, Schartl M.
Jule from the Fish Xiphophorus Is the First Complete Vertebrate Ty3/Gypsy Retrotransposon from the Mag Family.
Mol Biol Evol. 2001 Feb;18 (2):101-111.
A highly repetitive interspersed sequence isolated from genomic DNA of the Medaka, Oryzias latipes, is conserved in three other related species within the genus Oryzias.
Naruse-K; Mitani-H; Shima-A
J-Exp-Zool. 262(1): 81-86 (1992).


Mermaid: A family of short interspersed repetitive elements widespread in vertebrates.
Shimoda-N; Chevrette-M; Ekker-M; Kikuchi-Y; Hotta-Y; Okamoto-H
Biochem. Biophys. Res. Comm. 220, 226-232 (1996).

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