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transposon numbers

Ibo Galindo m.galindo at rhbnc.ac.uk
Fri Feb 26 13:17:37 EST 1999


Dear Eric,
The typical reference that you mention when writing that 10% of the Drosophila
genome is mainly composed of middle repetitive DNA is the following:

Young, M.W. (1979) Proc Acad Sci USA 76:6274-6278.

But, to be sincere, I have never read it.

Regarding your other question, different species have typical proportions and
types of transposons. In humans the typical transposons are LINE and SINE
(Alu) elements, in a number much higher than the Drosophila elements and quite
stable in their insertion site. In fact some particular Alu insertions are
conserved between human and chimpanzee.
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Maximo Ibo Galindo (m.galindo at rhbnc.ac.uk)
Royal Holloway, University of London
School of Biological Sciences
Egham, Surrey TW20 OEX
UK
TEL: (44) 1784 443 954 or 443 186
FAX: (44) 1784 470 756
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