Transcript map of the human chromosome Xq11-Xq21 region:: localization of 33 novel genes and one pseudogene

被引:8
作者
Villard, L [1 ]
Belougne, J [1 ]
Lossi, AM [1 ]
Fontés, M [1 ]
Colleaux, L [1 ]
机构
[1] Univ Mediterranee Marseille, Fac Med Timone, INSERM U491, F-13385 Marseille 5, France
关键词
EST mapping; HVDACp1; X-linked mental retardation;
D O I
10.1016/S0378-1119(99)00217-6
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
The human Xq11-Xq21.3 region has been implicated in several inherited disorders including dystonia-parkinsonism (DYT3), sideroblastic anemia and several specific and non-specific forms of mental retardation (NIR) syndromes. As part of a positional cloning effort to identify MR genes, we have generated a YAC-based transcript map. We first constructed a YAC/STS framework by extending previously published contigs. This framework map consists of a minimal set of 119 clones, covering approximately 20 Megabases (Mb) and allowing the precise ordering of 71 STSs between DXS136 and DXS472. This YAC contig was then used to define the positions of genes and expressed sequence tags (ESTs) assigned to the Xcen-Xq21.3 region. In addition to the genes previously localized to this part of the X chromosome, 18 transcription units corresponding to additional known genes or gene family members, one pseudogene and 15 novel transcripts were mapped. This transcriptional map incorporates 51 transcription units and provides a useful resource of candidate genes for some of the disorders assigned to this region of the X chromosome. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:43 / 50
页数:8
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