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ANIMAL CELL BIOTECHNOLOGY
AND GENETICS
Presented by:
ANURAN MAJUMDER.
Semester: 4th
Roll: 14UBE007
Department: BIOENGINEERING
TOPIC:
PROBE DESIGNING WITH
SIGNAL MOLECULE
WHAT IS PROBE ?
 A labelled DNA or RNA molecule.
 They are single stranded.
 Used to search sequence of interest from the mixture of
nucleic acid.
 Important : Probe is a complementary to the sequence of
interest.
TYPES OF PROBES :
Enzymatic probe.
These probes detect target proteins using enzymes for detection.
 HOW THIS PROBE WORK?
1. Enzyme are conjugated to another protein (eg : biotin)
2. The protein binds to target molecules.
3. A substrate of the specific enzyme is added.(DAB).
4. A visible reaction is formed.( It gives blue colour)
TYPES OF PROBES :
 Enzymatic probe.
 Florescence probe.
 Radioactive probe.
Fluorescent molecules, also called fluorophores
or fluors responds distinctly to light and are
used to detect protein molecules /target
molecules.
A radioisotope, is used in the probe to label the
nucleic acid fragments of our interest.
ANURAN MAJUMDER ,NIT AGARTALA, INDIA
ANURAN MAJUMDER ,NIT AGARTALA, INDIA
ANURAN MAJUMDER ,NIT AGARTALA, INDIA

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ANURAN MAJUMDER ,NIT AGARTALA, INDIA

  • 1. ANIMAL CELL BIOTECHNOLOGY AND GENETICS Presented by: ANURAN MAJUMDER. Semester: 4th Roll: 14UBE007 Department: BIOENGINEERING TOPIC: PROBE DESIGNING WITH SIGNAL MOLECULE
  • 2. WHAT IS PROBE ?  A labelled DNA or RNA molecule.  They are single stranded.  Used to search sequence of interest from the mixture of nucleic acid.  Important : Probe is a complementary to the sequence of interest.
  • 3. TYPES OF PROBES : Enzymatic probe. These probes detect target proteins using enzymes for detection.  HOW THIS PROBE WORK? 1. Enzyme are conjugated to another protein (eg : biotin) 2. The protein binds to target molecules. 3. A substrate of the specific enzyme is added.(DAB). 4. A visible reaction is formed.( It gives blue colour)
  • 4. TYPES OF PROBES :  Enzymatic probe.  Florescence probe.  Radioactive probe. Fluorescent molecules, also called fluorophores or fluors responds distinctly to light and are used to detect protein molecules /target molecules. A radioisotope, is used in the probe to label the nucleic acid fragments of our interest.