SOUTHERN BLOT ANALYSIS WITH SYNTHETIC OLIGONUCLEOTIDES - APPLICATION TO PROSTATIC PROTEIN GENES

被引:13
作者
CHAPDELAINE, P [1 ]
HOKIM, MA [1 ]
TREMBLAY, RR [1 ]
DUBE, JY [1 ]
机构
[1] LAVAL UNIV HOSP,RES CTR,HORMONAL BIOREGULAT LAB,ST FOY G1V 4G2,QUEBEC,CANADA
来源
INTERNATIONAL JOURNAL OF BIOCHEMISTRY | 1990年 / 22卷 / 01期
关键词
D O I
10.1016/0020-711X(90)90080-M
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
1. 1. An ethanol precipitation procedure was developed to purify radiolabeled DNA and oligonucleotide probes to be used in Southern blots. 2. 2. The radiolabeled probes produced strong hybridization signals on a clear background on Southern blot analysis of single gene copies even after 5 days of exposure on X-ray films. 3. 3. An oligonucleotide probe complementary to human glandular kallikrein-1 coding region (amino acids 161-167) detected a single DNA fragment after digestion with Barn H1, Hind III or Pst 1. 4. 4. Another oligonucleotide probe coding for the same region of human prostate-specific antigen detected 3 DNA fragments on Southern blots by contrast to a 1.5 kb full length cDNA probe which detected the presence of only one strong hybridization signal. 5. 5. Oligonucleotide probes appear to be excellent tools for gene mapping. Their sensitivity, specificity and limitations can be compared to the one of monoclonal antibodies used in epitope mapping of proteins. © 1990.
引用
收藏
页码:75 / 82
页数:8
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