Construction of bac/cosmid contigs for the cat eye syndrome chromosome region (22q11)

Shinsei Minoshima, Shuichi Asakawa, Kazuhiko Kawasaki, Yimin Wang, Jun Kudo, Nobuyoshi Shimizu

Research output: Contribution to journalArticle

Abstract

Cat eye syndrome (CES) is caused by partial tetrasomy of the 22qll. The morphological anomalies in CES include coloboma of the eye and characteristic heart malformation (totally anomalous pulmonary venous return). Most (>90%) of the CES patient has a supernumerary bisatellited marker chromosome [22pter-qll::22ql 1-pter] consisting of two copies of the 22pter-qll region. We have constructed BAC/cosmid contigs of the CES chromosomal region to facilitate isolation of the disease-causing genes. As DNA resources, we used a CES region-specific cosmid library from the flowsorted marker chromosomes of a CES cell line (Minoshima et al., this meeting last year) and a BAC library from human total DNA (Asakawa et al., in this meeting). A number of STS's were established from cosmid clones and used to screen CEPH YAC library. Twenty YAC clones were identified and arrayed into a YAC contig. Thus, these YAC clones were used as probes to screen the CES cosmid library and BAC library, and 1,740 cosmids and 98 BAC clones were isolated. To construct BAC/cosmid contigs, the vectorette PCR method and finger printing have been applied. To date, 9 contigs consisting of 25 BAC clones and 24 cosmid clones have been constructed covering over 1.3 Mb. Genomic sequencing of one cosmid clone (36,226 bp) has been completed and other clones are in progress. The genomic sequence information is being used to identify the CES-causing genes.

Original languageEnglish
Pages (from-to)84
Number of pages1
JournalJapanese Journal of Human Genetics
Volume42
Issue number1
Publication statusPublished - 1997

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Cosmids
Clone Cells
Chromosomes
Libraries
Genetic Markers
Tetrasomy
Scimitar Syndrome
Coloboma
Printing
Congenital Heart Defects
Schmid-Fraccaro syndrome
DNA
Genes
Fingers
Cell Line
Polymerase Chain Reaction

ASJC Scopus subject areas

  • Genetics(clinical)

Cite this

Minoshima, S., Asakawa, S., Kawasaki, K., Wang, Y., Kudo, J., & Shimizu, N. (1997). Construction of bac/cosmid contigs for the cat eye syndrome chromosome region (22q11). Japanese Journal of Human Genetics, 42(1), 84.

Construction of bac/cosmid contigs for the cat eye syndrome chromosome region (22q11). / Minoshima, Shinsei; Asakawa, Shuichi; Kawasaki, Kazuhiko; Wang, Yimin; Kudo, Jun; Shimizu, Nobuyoshi.

In: Japanese Journal of Human Genetics, Vol. 42, No. 1, 1997, p. 84.

Research output: Contribution to journalArticle

Minoshima, S, Asakawa, S, Kawasaki, K, Wang, Y, Kudo, J & Shimizu, N 1997, 'Construction of bac/cosmid contigs for the cat eye syndrome chromosome region (22q11)', Japanese Journal of Human Genetics, vol. 42, no. 1, pp. 84.
Minoshima S, Asakawa S, Kawasaki K, Wang Y, Kudo J, Shimizu N. Construction of bac/cosmid contigs for the cat eye syndrome chromosome region (22q11). Japanese Journal of Human Genetics. 1997;42(1):84.
Minoshima, Shinsei ; Asakawa, Shuichi ; Kawasaki, Kazuhiko ; Wang, Yimin ; Kudo, Jun ; Shimizu, Nobuyoshi. / Construction of bac/cosmid contigs for the cat eye syndrome chromosome region (22q11). In: Japanese Journal of Human Genetics. 1997 ; Vol. 42, No. 1. pp. 84.
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