ISSN:
0173-0835
Keywords:
Chemiluminescence
;
Digoxigenin
;
Northern blot
;
Oligonucleotides
;
mRNA
;
Chemistry
;
Biochemistry and Biotechnology
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Biology
,
Chemistry and Pharmacology
Notes:
A simplified, nonradioactive procedure for the detection of specific mRNAs on Northern blots has been developed, utilizing digoxigenin-labelled oligonucleotides and chemiluminescence. Antisense oligonucleotide (30-35 mer) probes were designed and synthesised based on published cDNA and gene sequences. These probes were end-labelled (5′) with digoxigenin. Total RNA was fractionated by agarose gel electrophoresis and capillary blotted onto positively charged nylon membranes. After hybridization, the mRNA/digoxigenin-labelled oligonucleotide complex was detected by a chemiluminescence-based method using disodium 3-(4-methoxyspiro-[1,2-dioxetane-3-2′(5′chloro)-tricyclo[3.3.1.13.7]decane]-4-yl)phenyl phosphate (CSPD) as substrate. The advantages of this simplified technique for detecting mRNAs in physiological and nutritional studies are described.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/elps.1150160157
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