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Journal of Zhejiang University SCIENCE A 2001 Vol.2 No.3 P.318-321

http://doi.org/10.1631/jzus.2001.0318


SINGLE CELL DEGENERATE OLIGONUCLEOTIDE PRIMER-PCR AND COMPARATIVE GENOMIC HYBRIDIZATION WITH MODIFIED CONTROL REFERENCE


Author(s):  JIN Fan, Matthews, C.D, Hussey, D.N

Affiliation(s):  Women's Hospital, College of Medicine, Zhejiang University, Hangzhou 310006, China; more

Corresponding email(s): 

Key Words:  degenerate oligonucleotide primer PCR, comparative genomic hybridization, single cell


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JIN Fan, Matthews, C.D, Hussey, D.N. SINGLE CELL DEGENERATE OLIGONUCLEOTIDE PRIMER-PCR AND COMPARATIVE GENOMIC HYBRIDIZATION WITH MODIFIED CONTROL REFERENCE[J]. Journal of Zhejiang University Science A, 2001, 2(3): 318-321.

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Abstract: 
For investigating the possibility of applying degenerate oligonucleotide primer PCR (DOP-PCR) and comparative genomic hybridization (CGH) technique to analyses of genomic genetics in a single cell, the whole genomic DNA of a single cell with XX, XY, XO, XXY, +13 or +21 was amplified by DOP-PCR. single cell DOP-PCR CGHs with conventional and modified control references, the genomic DNA and a single cell DOP-PCR product from normal male, were carried out respectively. The results showed that the average profile of the fluorescence intensity ratio in CGH with the genomic DNA as reference fluctuates much and that the standard deviation in about 30% haploid is beyond the normal limits. False positive hyper-representation was found to exist in X chromosome while trisomy 13 and 21 were not detected. However, the distributions of the mean and the standard deviation of the ratio in the CGH with DOP-PCR product as reference were quite acceptable. The copy number changes of chromosome X,Y,13 and 21 were revealed. Those results suggested that there is unrandom unequal amplification in a single cell DOP-PCR. Using a single DOP-PCR product as reference can decrease its influence on CGH. single cell DOP-PCR-CGH and its application in the genetic analyses of preimplantation embryo or fetal cell in maternal blood may be possible.

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Reference

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