Isolation and sequence analysis of the wheat B genome subtelomeric DNA

BMC Genomics

Table 2 List of transposable elements identified in BAC clone 2050O8.

Class, subclass, family	Copy number	Length, bp	%
Class I elements (retrotransposons)		10 100	8.4
LTR-retrotransposons (Gypsy-like, Wilma)	1	2577	2.2
Non-LTR retrotransposons (LINE)	2	5756	4.8
Inverted repeats similar to O. sativa LINE reverse transcriptase	2	1767	1.4
Class II elements (DNA transposons)		29 053	24.6
CACTA	4	20 962	17.5
Caspar	1	11 666
Isaac	1	5817
Jorge	1	2210
Fergat	1	1269
Mutator	2	7674	6.4
Similar to Harbinger transposase	1	417	0.4
MITE	4	319	0.3
Other known repeats		19 019	15.9
Spelt52 tandem repeats	27	9825	8.2
Other tandem repeats (monomer of > 80 bp)		1526	1.3
SSRs		351	0.3
GSS + STS		869	0.7
Direct repeats (> 100 bp)		509	0.4
Region of homology to
AY485644		4374	3.7
AY951944		1565	1.3
Genes	5	7257	6.1
ESTs		8559	7.1
Unassigned sequence		45 430	37.9

Positions of the elements in BAC clone are indicated; SSRs, simple sequence repeats; GSS (genome survey sequences) + STS (sequence-tagged sites); and ESTs, expressed sequence tags.

ISSN: 1471-2164