Table 1.

Interphase FISH Screening for Low-Alphoid Cell Lines

Chromosome Chromosome-specific α-satellite probes No. of cell lines No. of low-alphoid centromeres
phase I phase II total phase I phase II total prevalence[i] (%)
 1pZ5.1—328[ii] 328[ii] ————
 2pX278290368————
 3pAE0.6862301363————
 4p4n1/474243317————
 5pZ5.1—328[ii] 328[ii] ————
 6pEDZ676245321————
 7pZ7.577319396————
 8pZ8.476227303————
 9pMR9A65320385————
10pZ10-2.370266336————
11Oncor D11Z176312388————
12pB1278306384————
13αRI53366419—110.12
14αXT73321394————
15pTRA2058328386————
16pZ16A-267241308————
17TR1778357435—110.11
18L1.8469239308————
19pZ5.1—328[ii] 328[ii] ————
20pZ2077268345————
21αRI53366419625313.70
22αXT73321394————
XYXY α-mix[iii] 67294361————

[i] Prevalence is expressed in terms of the total number of chromosomes.

[ii] For chromosomes 1, 5 and 19, screening for low-alphoid centromeres was done on metaphase chromosomes.

[iii] This mix contains the X- and Y-specific probes, pLAX and pLAY5.5, respectively.