Seekh Logo

AI-powered learning platform providing comprehensive practice questions, detailed explanations, and interactive study tools across multiple subjects.

Explore Subjects

Sciences
  • Astronomy
  • Biology
  • Chemistry
  • Physics
Humanities
  • Psychology
  • History
  • Philosophy

Learning Tools

  • Study Library
  • Practice Quizzes
  • Flashcards
  • Study Summaries
  • Q&A Bank
  • PDF to Quiz Converter
  • Video Summarizer
  • Smart Flashcards

Support

  • Help Center
  • Contact Us
  • Privacy Policy
  • Terms of Service
  • Pricing

© 2025 Seekh Education. All rights reserved.

Seekh Logo
HomeHomework Helpmolecular-biologySouthern Blotting

Southern Blotting

Southern blotting is a molecular biology technique used to detect specific DNA sequences in a sample by transferring DNA fragments from a gel to a membrane and hybridizing them with labeled probes. This method allows for the identification and analysis of particular genes or genetic variations within a complex mixture of DNA.

intermediate
2 hours
Molecular Biology
0 views this week
Study FlashcardsQuick Summary
0

Overview

Southern blotting is a powerful technique in molecular biology that allows scientists to identify specific DNA sequences within a complex mixture. By combining gel electrophoresis and hybridization, researchers can separate DNA fragments and use labeled probes to detect sequences of interest. This m...

Quick Links

Study FlashcardsQuick SummaryPractice Questions

Key Terms

DNA
Deoxyribonucleic acid, the molecule that carries genetic information.

Example: DNA is found in the nucleus of cells.

Gel Electrophoresis
A technique used to separate DNA fragments based on size.

Example: Gel electrophoresis is used to analyze PCR products.

Hybridization
The process of forming a double-stranded nucleic acid from two complementary strands.

Example: DNA hybridization is used in Southern blotting.

Probe
A labeled fragment of DNA or RNA used to detect specific sequences.

Example: A probe can be used to find a gene of interest.

Membrane Transfer
The process of transferring DNA from a gel to a membrane for analysis.

Example: Membrane transfer is a key step in Southern blotting.

Nucleic Acid
Biomolecules essential for all known forms of life, including DNA and RNA.

Example: Nucleic acids store and transmit genetic information.

Related Topics

Northern Blotting
A technique similar to Southern blotting but used for detecting RNA sequences.
intermediate
Western Blotting
A method for detecting specific proteins in a sample using antibodies.
intermediate
PCR (Polymerase Chain Reaction)
A technique used to amplify specific DNA sequences, often used before Southern blotting.
intermediate

Key Concepts

DNA detectionGel electrophoresisHybridizationProbe