Abstract:
:An amphibian homologue of the human cystic fibrosis transmembrane conductance regulator (CFTR) gene has been isolated from Xenopus laevis by polymerase chain reaction (PCR) amplification. The 4455bp sequence encodes a predicted polypeptide of 1485 amino acids which has an overall homology at the amino acid level of 77% identity and 88% similarity with human CFTR. Comparison of these evolutionarily diverse CFTR sequences has structure-function implications. Investigation of the expression of the Xenopus gene during early stages of development (Stages 1-48), using RNAase protection assays and PCR analysis of total Xenopus RNA, shows CFTR mRNA to be present at the very earliest stages of development, including the oocyte and blastula stages, with increasing amounts during subsequent development. The identification of mRNA for a CFTR homologue in the Xenopus oocyte and early stages of development has implications for its biological role.
journal_name
Hum Mol Genetjournal_title
Human molecular geneticsauthors
Tucker SJ,Tannahill D,Higgins CFdoi
10.1093/hmg/1.2.77subject
Has Abstractpub_date
1992-05-01 00:00:00pages
77-82issue
2eissn
0964-6906issn
1460-2083journal_volume
1pub_type
杂志文章abstract::Williams-Beuren syndrome (WBS) is generally the consequence of an interstitial microdeletion at 7q11.23, which includes the elastin gene, thus causing hemizygosity at the elastin gene locus. The origin of the deletion has been reported by many authors to be maternal in approximately 60% and paternal in 40% of cases. S...
journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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pub_type: 杂志文章
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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更新日期:2001-04-01 00:00:00
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journal_title:Human molecular genetics
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pub_type: 杂志文章,评审
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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journal_title:Human molecular genetics
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