Active X chromosome DNA is unmethylated at eight CCGG sites clustered in a guanine-plus-cytosine-rich island at the 5' end of the gene for phosphoglycerate kinase.

מאת Keith, D H, Singer-Sam, J, Riggs, A D
יצא לאור 1986

Differential replication timing of X-linked genes measured by a novel method using single-nucleotide primer extension.

מאת Xiong, Z, Tsark, W, Singer-Sam, J, Riggs, A D
יצא לאור 1998

A potentially critical Hpa II site of the X chromosome-linked PGK1 gene is unmethylated prior to the onset of meiosis of human oogenic cells.

מאת Singer-Sam, J, Goldstein, L, Dai, A, Gartler, S M, Riggs, A D
יצא לאור 1992

Parental imprinting studied by allele-specific primer extension after PCR: paternal X chromosome-linked genes are transcribed prior to preferential paternal X chromosome inactivati...

מאת Singer-Sam, J, Chapman, V, LeBon, J M, Riggs, A D
יצא לאור 1992

A quantitative HpaII-PCR assay to measure methylation of DNA from a small number of cells.

מאת Singer-Sam, J, LeBon, J M, Tanguay, R L, Riggs, A D
יצא לאור 1990

Measurement by quantitative PCR of changes in HPRT, PGK-1, PGK-2, APRT, MTase, and Zfy gene transcripts during mouse spermatogenesis.

מאת Singer-Sam, J, Robinson, M O, Bellvé, A R, Simon, M I, Riggs, A D
יצא לאור 1990

Use of a HpaII-polymerase chain reaction assay to study DNA methylation in the Pgk-1 CpG island of mouse embryos at the time of X-chromosome inactivation.

מאת Singer-Sam, J, Grant, M, LeBon, J M, Okuyama, K, Chapman, V, Monk, M, Riggs, A D
יצא לאור 1990

Isolation of a cDNA clone for human X-linked 3-phosphoglycerate kinase by use of a mixture of synthetic oligodeoxyribonucleotides as a detection probe.

מאת Singer-Sam, J, Simmer, R L, Keith, D H, Shively, L, Teplitz, M, Itakura, K, Gartler, S M, Riggs, A D
יצא לאור 1983