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picture1_Plant Tissue Culture Slideshare 77592 | Introduction To Plant Cell Culture Lec1


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File: Plant Tissue Culture Slideshare 77592 | Introduction To Plant Cell Culture Lec1
objectives of plant tissue culture if by seed cant obtain a uniform planting material due to seed contains pool of genes mass propagation of uniform planting material phenotipycally and genotypically ...

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          OBJECTIVES OF PLANT TISSUE CULTURE
                                                                                                                                                         If by seed :
                                                                                                                                                         -
                                                                                                                                                          Cant obtain a uniform planting material
                                                                                                                                                         -
                                                                                                                                                          Due to seed contains pool of genes
          
                Mass propagation of uniform planting
             material                                                                                                                    -Phenotipycally and genotypically 
                                                                                                                                         the same.
                                         A lot of plants produces                                                                        -Tissues are taken from any parts 
                                                                                                                                         of plants such as leaves, roots, 
                                                                                                                                         and stems
                                                                                                     Apical bud do not contain 
                Disease-resistant plants                                                              any viral or bacterial 
                                                                                                      infection yet. Therefore,                      -differ from embryo cultured
                                                                                                                                                     -
                                                                                                      this part was taken and                        If a plant were to cross between 
                                                                                                      cultures and DR plants can                     unfavorable plant, the embryo form will be 
                                                                                                      be obtained.                                   aborted and the seed will drop and 
                                                                                                                                                     eventually died.
                                                                                                                                                    -Therefore, we harvest the embryo before 
                Embryo-rescue 
                                                                                                                                                     it matures into seed, and cultures them 
                                                                                                                                                     using TC technique.
                                                                                                                                                                       Some plant aren’t clean 
                Safe transfer of germplasm across                                                                                                                       from pathogen or plant’s 
                                                                                                                                                                        diseases that will  
             international borders                                                                                                                                      affecting other countries’ 
                                                                                                                                                                        plant industries.
                                                                                                                                           -
                                                                                                                                            No genetic transformation 
                                                                                                                                          without TC.
                To facilitate genetic transformation                                                                                       - We cant introduce gene into 
                                                                                                                                           plants without TC.
             TOTIPOTENCY
  Property of plant cells
  The  ability  of  somatic  cells  of  certain  plants  to  undergo 
  embryogenesis / or plantlet regeneration
  Production  and  development  of  embryoids  (derived  from 
  somatic cells) 
  Embryos derived from gamete fusion (molecular processes 
  in  later  stages  of  development  may  be  identical,  e.g. 
  temporal  and  spatial  expression  patterns  of  proteins  in 
  somatic and zygotic embryos)
                 EQUIPMENTS FOR TISSUE CULTURE
                                                          -
                                                          Distilled water
                                                          -
                                                         Ultra pure water                               AB = unit in mg(3-4 
                    Deionizer                                                                            decimal places)
                                                                                                         TLB = unit in g or kg
               
                    Analytical Balance
                                                                                                                  pH medium 
                                                                                                                 normally around 5.8
                    Top Loading Balance
               
                    pH Meter                                                                   -
                                                                                               Both give sterility                                   Heat Label – Substance 
                                                                                               -
                                                                                               Autoclave uses temperature(121C)                      that is sensitive to heat, 
                                                                                               and pressure (15lb/sg@mmBar)                          thus Autoclave cannot 
                                                                                               -
                                                                                               FS employed a membrane which is                       be applied and this is 
                                                                                              made from cellulose acetate @                         where FS is taking 
                    Filter-Sterilizer                                                          nylon which has a membrane size of 
                                                                                               0.22-0.45micrometer.                                  places.
                                                                                                                                           -Sterile chamber to cut a part 
                    Autoclave                                                                                                               of plant in order to obtain ex-
                                                                                                                                            plant.
                                                                                                                                            -The air in this chamber is 
                                                                                                                                            filtered by membrane cellulose 
                                                                                                                                           acetate and clean air is 
                    Laminar Flow Chamber                                                                                                    released to our front side
                                                                                                    Control the condition of 
                                                                                                    favor.
               
                    Incubators
                                                                                                                       -Established the plant  from sterile 
                                                                                                                       condition, so that it can adept  with the 
                                                                                                                       natural condition.
                                                                                                                      -Also known as Acclimatization processes.
                    Plant Growth Chambers
             BASIS OF TISSUE CULTURE
      Preparation            Sterilization         Manipulation 
        of Media              of Explant             of Tissues
                                                     Growth of 
                                                     tissues
                       Storage           Transfer    Regeneration 
                 (Cryo preservation)      to soil    of plants
  PRINCIPAL METHODS OF MICROPROPAGATION
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...Objectives of plant tissue culture if by seed cant obtain a uniform planting material due to contains pool genes mass propagation phenotipycally and genotypically the same lot plants produces tissues are taken from any parts such as leaves roots stems apical bud do not contain disease resistant viral or bacterial infection yet therefore differ embryo cultured this part was were cross between cultures dr can unfavorable form will be obtained aborted drop eventually died we harvest before rescue it matures into them using tc technique some aren t clean safe transfer germplasm across pathogen s diseases that international borders affecting other countries industries no genetic transformation without facilitate introduce gene totipotency property cells ability somatic certain undergo embryogenesis plantlet regeneration production development embryoids derived embryos gamete fusion molecular processes in later stages may identical e g temporal spatial expression patterns proteins zygotic eq...

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