A. Plant genome organization2
20 B. Retroelements in the genome 3
C. Reverse transcriptase.4
D. Viruses ..5
II. Retroelements5
A. Viral retroelements – Retrovirales6
25 B. Non-viral retroelements – Retrales ...7
III. Viral and non-viral elements7
A. Between retrotransposon and virus - the envelope gene ...7
B. Pararetroviruses in plant genomes.8
IV. Relationships between retroelements 10
30 A. Conserved regions of retroelement genes ...11
V. Interaction between the plant genome and retroelements...13
A. Amplification and host control ...13
B. Retroelements as markers14
C. Sequence motifs and horizontal transfer .14
35 D. Silencing and resistance ..15
VII. Acknowledgements ..16
VIII. References...16
Legends to Figures...22
FOR WEB PUBLICATION Appendix A. Description of the retroelements and
40 telomerase in Figure 3..24
