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Whole-mount in situ Hybridization. Zebrafish Development. Function?. Over-expression. knockdown. DNA: using tissue specific promoter. Morpholino. RNA: in vitro transcription. Dominant negative form. Antagonist. Whole mount in situ hybridization. Whole mount in situ hybridization.
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Function? Over-expression knockdown DNA: using tissue specific promoter Morpholino RNA: in vitro transcription Dominant negative form Antagonist Whole mount in situ hybridization
Digoxigenin (DIG) • DIG is a steroid hapten from Digitalis lanata (毛地黃)
Structure of DIG-Modified Nucleotides Coupled via Alkali-Stable Ether Bond Formula: C43H61N4O21P3Li4 Molecular Weight: 1090.7 DIG-UTP (R1=OH, R2=OH) DIG-dUTP (R1=OH, R2=H) DIG-ddUTP (R1= H, R2=H)
HindIII HindIII EcoRI SP6 T7 Probe TA vector
Detection methods • Chemiluminescent detection CDP-star or CSPD • Colorimetric detection NBT/BCIP • Fluorescent detection
http://www.roche-applied-science.com/prodinfo_fst.htm?/DIG/dig_labeling03.htmhttp://www.roche-applied-science.com/prodinfo_fst.htm?/DIG/dig_labeling03.htm • http://zfin.org
mRNA: FGF8 (Fibroblast Growth Factor 8) • Probe: Sef (Similar Expression of Fgf gene)