plant dna extraction method
TRANSCRIPT
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WE
L
OM
C
E
My Presentation
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St ID. 20121209042
Rupom Mitra
Department o
f Pharm
acy,
Bongobondhu Sheikh Mujib
ur Rahman Scie
nce & Technology Universit
y,
Gopalgonj, Bangladesh.
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A presentation on
Extraction of DNA from Plant
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Presentation Outline• DNA?• Structure of DNA• Method of DNA isolation• Maxwell® 16 Plant DNA Kit Method• Spin column Method• CTAB Method• Reagent Used In CTAB Method• Procedure for CTAB method• Why DNA Extraction?• Storage of isolated DNA• Use of the DNA
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DNA?Something to say about DNA
Cell Nucleus is the empire DNA
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Structure of DNA
Adenine-Thymine Base Pair
Guanine-Cytosine Base Pair
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1. Maxwell® 16 Plant DNA Kit Method
2. Spin column Method3. CTAB Method
Method of DNA isolation
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Ridge end
Label end
ContentsLysis BufferMagneSil PMPsWash BufferWash BufferWash BufferWash BufferWash Buffer
PlungerReagent Cartridge
Maxwell® 16 Plant DNA Kit Method
An easy method efficient Automated purification of
genomic DNA from plant tissue samples.
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Spin column Method It is a solid phase extraction methodQuickly purify nucleic acids. Nucleic acid will bind to the solid phase of silica under certain conditions.
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CTAB MethodDetergent+
Lipid & Proteins Detergent
DNA
Cell Membrane
CTAB Stands for cetyl trimethyl ammonium bromide
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Reagent Used
oCTAB oChloroform oIsoamyl alchohol oIsopropyl alcohol oRNAse oQiagen
oAmbion o Proteinase K oNaCl oMercaptoethanol oAmmonium acetate
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Procedure for CTAB method
Sample extract
CATB Centrifuge Carbohydrates, proteins, etc.
Nucleic acid-CTAB complex
DNA
Precipitated Nucleic acid-CTAB complex
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Why DNA Extraction?• Genetic Testing
Body Identification
• Analysis of Forensic Evidence
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There are four temperature based strategies for long term DNA conservation. These are storage at: -20° C -80° C -196° C Dried, at room temperature Store DNA in dry state, reduces molecular mobility and inhibits the
depurination, depyrimidination, deamination and hydrolyticThe DNA immobilized on FDA cards is amenable to PCR after 17
years storage. DNA in aqueous phase is stored under slightly basic conditions.At -196° C, DNA is maintained in a vitreous state
General consideration for DNA storage:
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Understanding Individuality of PlantsUsing genetic information of DNA for plant modification Use in forensic analysisUse to solve historical puzzle
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