國家衛生研究院 NHRI:Item 3990099045/8838
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    题名: A new mib allele with a chromosomal deletion covering foxc1a exhibits anterior somite specification defect
    作者: Hsu, CH;Lin, JS;Lai, KP;Li, JW;Chan, TF;You, MS;Tse, WKF;Jiang, YJ
    贡献者: Institute of Molecular and Genomic Medicine
    摘要: mib(nn2002), found from an allele screen, showed early segmentation defect and severe cell death phenotypes, which are different from previously known mib mutants. Despite distinct morphological phenotypes, the typical mib molecular phenotypes: her4 down-regulation, neurogenic phenotype and cold sensitive dlc expression pattern, still remained. The linkage analysis also indicated that mib(nn2002) is a new mib allele. Failure of specification in anterior 7-10 somites is likely due to lack of foxc1a expression in mib(nn2002) homozygotes. Somites and somite markers gradually appeared after 7-10 somite stage, suggesting that foxc1a is only essential for the formation of anterior 7-10 somites. Apoptosis began around 16-somite stage with p53 up-regulation. To find the possible links of mib, foxc1a and apoptosis, transcriptome analysis was employed. About 140 genes, including wnt3a, foxc1a and mib, were not detected in the homozygotes. Overexpression of foxc1a mRNA in mib(nn2002) homozygotes partially rescued the anterior somite specification. In the process of characterizing mib(nn2002) mutation, we integrated the scaffolds containing mib locus into chromosome 2 (or linkage group 2, LG2) based on synteny comparison and transcriptome results. Genomic PCR analysis further supported the conclusion and showed that mib(nn2002) has a chromosomal deletion with the size of about 9.6 Mbp.
    日期: 2015-06-03
    關聯: Scientific Reports. 2015 Jun 3;5:Article number 10673.
    Link to: http://dx.doi.org/10.1038/srep10673
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2045-2322&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000355649900001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84930664615
    显示于类别:[江運金] 期刊論文

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