Sunday, March 16, 2014

Cleavage spindle ( spindle ) as the mitotic apparatus

Cleavage spindle ( spindle ) as the mitotic apparatus , composed of microtubules in the form dublet . Dublet microtubules composed of two singlet microtubules , whereas singlet microtubules composed of protofilamen . Protofilamen are polymers of the protein tubulin dimers a and b . Work is basically colchicine inhibits microtubulJual Script Iklane formation . Colchicine binds to tubulin dimers a and b , so it is not formed protofilamen . With no formation protofilamen then formed singlet microtubules and microtubule dublet , which resulted in no cleavage spindle formation . With inhibition of cleavage spindle formation , the chromosomes are already in a state of doubles is not shared in the opposite direction ( Albert et al . , 1991) . In addition many of colchicine antimitotic compounds that have the same ability to colchicine , colcemid for example , nacadazole , vinblastine , and vincristine .
The use of colchicine can in various ways , for example immersion seeds , tissue immersion , immersion meristem , root immersion , hatching , basting pasta , and emulsion ( Gunarso , 1989) . Basically the use of colchicine is very dependent on the objectives , materials , and the extent of use . But of the method is relatively inexpensive and easy is the immersion ( immersion ) seeds . Things to consider is the long time limit of the concentration and immersion in colchicine is most appropriate for each plant . Since each plant has a distinctive characteristic of the protective seed , so the ability of colchicine to penetrate the protective seed c
Pulau Parioating will vary widely .
The objectives of this study were : ( 1 ) determine the concentration and length of time of immersion in an effective colchicine to induce polyploidy in plants melon , ( 2 ) identify changes in the tetraploid melon production factors due to colchicine treatment . Character is observed fruit weight, fruit diameter , flesh thickness and fruit .
By doing this research , is expected to : ( 1 ) provide information to plant breeders on the concentration of colchicine and long soaking time effective to induce polyploidy in melon , ( 2 ) provide information on the changes occurring character melon after treatment with colchicine , ( 3 ) contribute germplasm ( genetic variation ) for melon cultivation .
Learn more about the research sample melon above , please pal download , filetype : pdf ( click here )
That earlier post regarding Sample Research On Fruit Melon . hopefully there is order and benefits. yours respectfullyPosts Related to Fruit Research Sample Identification Heavy Melon :: Diameter Thick Meat Fruit And Melon ( Cucumis melo , l . ) Tetraplo


  1. Wisata Pulau Pari
id Cultivars Action 434 Effect of Treatment Colchicine

    
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