Transfer of small plasmid DNA fragments from polyacrylamide gels onto nitrocellulose paper.

نویسندگان

  • P Frossard
  • K L Sisco
  • D L Rucknagel
چکیده

The incorporation into a 7% polyacrylamide gel of a nucleic acid-specific photochemical reagent 4,5',8-trimethylpsoralen at a concentration of 1 mg/dl of acrylamide solution improves both the sensitivity and the efficiency of the transfer of plasmid DNA fragments from the gel onto nitrocellulose filters. This improvement allows detection by blot hybridization of DNA fragments as small as 57 bp long.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Immunoblotting: semi-dry electrophoretic transfer of proteins from gels to membranes.

INTRODUCTION The transfer of proteins from a Tris/glycine SDS-polyacrylamide gel to a membrane using a semi-dry method is achieved by placing the gel next to a piece of nitrocellulose filter. This sandwich is placed directly between two plate electrodes, and the proteins are then transferred from the gel onto the filter. Good contact between the electrodes, gel, and filter is maintained by usin...

متن کامل

Electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets: procedure and some applications. 1979.

A method has been devised for the electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets. The method results in quantitative transfer of ribosomal proteins from gels containing urea. For sodium dodecyl sulfate gels, the original band pattern was obtained with no loss of resolution, but the transfer was not quantitative. The method allows detection of proteins by ...

متن کامل

Measurement of small high density lipoprotein subclass by an improved immunoblotting technique.

An improved method of immunoblotting of plasma onto agarose gel matrix containing antiapolipoprotein A-I is described. Fresh plasma samples were subjected to gradient polyacrylamide gel electrophoresis (4-25%) followed by electrotransfer onto agarose gel layer containing antiapolipoprotein A-I. This method was compared with immunoblotting onto nitrocellulose where the transfer onto agarose gel ...

متن کامل

Characterization of monoclonal antibodies against Chlamydomonas flagellar dyneins by high-resolution protein blotting.

Monoclonal antibodies that recognize individual polypeptides of the outer arm dyneins of Chlamydomonas flagella were obtained and used to study the structural relationships between the various polypeptides. Immunoblot analysis showed that the gamma heavy chain of 12S dynein and the alpha and beta heavy chains and Mr 69,000 intermediate chain of 18S dynein each contain immunoreactive sites not f...

متن کامل

Internal amino acid sequence analysis of proteins separated by one- or two-dimensional gel electrophoresis after in situ protease digestion on nitrocellulose.

We have developed a general two-step method for obtaining peptide fragments for sequence analysis from picomole quantities of proteins separated by gel electrophoresis. After separation by one- or two-dimensional polyacrylamide gel electrophoresis, proteins are electrophoretically transferred (electroblotted) onto nitrocellulose, the protein-containing regions are detected by reversible stainin...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Analytical biochemistry

دوره 134 2  شماره 

صفحات  -

تاریخ انتشار 1983