The Arabidopsis thaliana haploid genome is composed of five chromosomes thar are almost comletely sequenced. The chromosomal sequence data is desribed by members of the The Arabidopsis Genome Initiative.

We have estimated that copies of transposable elements related to these deposited in Repbase Update constitute ~11% of the A. thaliana genome.
 
Table 1.    Distribution of transposable and repetitive elements in the
A. thaliana chromosomes
Chromosome
I
II
III
IV
V
Length 
(bp)
29,640,317
 19,643,621
23,333,883
 17,549,528
 26,269,328
Transposons
and noncoding repeats
(bp)
2,074,193
1,755,035
2,010,760
12,547,463
1,407,283
Percentage 
(%)
8
14
12
11
10

 
Annotation of transposable and repetitive elements:
Plots of density of transposable elements along the chromosomes

Reference: Kapitonov, V.V. and Jurka, J. (2002) Distribution of transposable and repetitive elements in the A. thaliana chromosomes, Repbase Update, www.girinst.org/server/TransPub
 

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Address comments/questions/suggestions to: Vladimir  V. Kapitonov (vladimir@charon.girinst.org)

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