Table 1.
Repetitive Sequences Associated with Beta Centromeres
| Class | Repeat | Type | Length (bp) | Origin | Distribution within sections of the genusBeta | Chromosomal position | Figure | Reference |
| 1 | pBV1 | Satellite DNA | 326–327 | B. vulgaris | Beta (amplified) | all centromeres | 2E | Schmidt and Metzlaff (1991) |
| 2 | pTS5 | Satellite DNA | 158–160 | B. procumbens | Procumbentes (amplified) | most centromeres | 2G,H,J,M,L | Schmidt and Heslop-Harrison (1996) |
| pTS4.1 | Satellite DNA | 312 | B. procumbens | Procumbentes (amplified) | 2H,K,L | |||
| 3 | pBp10 | Ty3-gypsy-like element | 417 | B. procumbens | Beta, Corollinae, Nanae(amplified) Procumbentes (low copy) | centromeres and dispers | 2B,C | this paper |
| pBv26 | Ty3-gypsy-like element | 417 | B. vulgaris | Beta, Corollinae, Nanae(amplified) Procumbentes (low copy) | 2A | this paper | ||
| pHC8 | Satellite DNA | 162 | B. corolliflora | Corollinae (amplified) Beta, Nanae (low copy) | 2D | this paper |
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Not listed are the microsatellite motifs CA or GATA (Fig. 2A) which show a class 3 chromosomal distribution.
