Retrotransposon accumulation and satellite amplification mediated by segmental duplication facilitate centromere expansion in rice

Table 3.

Distribution of CentO satellite repeats containing 10-bp duplication


Centromerea

# of monomers with 10-bp duplicationb

# of monomers without 10-bp duplicationb

# of monomers without target sitesc

# of monomers in rice previously estimatedd
CEN1 545 490 21 8900
CEN2 59 275 8 4500
CEN3 9 150 8 1100
CEN4 161 196 15 700
CEN5 74 251 3 1000
CEN6 15 21 2 5100
CEN7 104 476 3 2000
CEN8 0 454 6 400
CEN9 441 306 4 3900
CEN10 1 5 3 2900
CEN11 1 0 1 11,900
CEN12
124
216
18
1000
  • a CEN4 and CEN8 sequences are complete, while the other centromere sequences are incomplete

  • b As marked in Figure 3

  • c Truncated monomers

  • d Cheng et al. (2002)

This Article

  1. Genome Res. 16: 251-259

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