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Colchicine

Colchicine

(Science: drug) alkaloid (400 D) isolated from the autumn crocus (colchicum autumnale) that blocks microtubule assembly by binding to the tubulin heterodimer (but not to tubulin).

as a result of interfering with microtubule reassembly will block mitosis at metaphase.


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Using Colchicine for Polyploids

So I was wondering... Colchicine is used to create polyploid plants. It acts as a mitotic spindle poison which can cause nondisjunction of the entire genome. What I was wondering was that if you were to treat a seed with a colchicine ...

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by plasmodesmata11
Tue Jul 19, 2011 10:50 pm
 
Forum: Genetics
Topic: Using Colchicine for Polyploids
Replies: 0
Views: 1702

Re: sporophytic haploids....is it true?

... of haploid plants can be greatly increased using anther culture (q.v.). Homozygous diploid plants can then be generated by treatment with colchicine (q.v.).

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by sara135
Tue Jul 12, 2011 8:23 am
 
Forum: Botany Discussion
Topic: sporophytic haploids....is it true?
Replies: 6
Views: 8731

Chemically induced poly/tetraploidy

Colchicine: http://en.wikipedia.org/wiki/Colchicine I do not have a protocol to induce mutation, but maybe a search with the right name might prove helpful. The second problem is do you have access to a lab that is allowed ...

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by canalon
Mon Jan 31, 2011 11:40 pm
 
Forum: Botany Discussion
Topic: Chemically induced poly/tetraploidy
Replies: 1
Views: 957

Polyploidy in Fruit Trees

Try more of the effects of colchicine and cell division. Topics on genetically modified organisms(GMO) is nice to include or discuss.

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by mcar
Thu Dec 06, 2007 2:09 pm
 
Forum: Genetics
Topic: Polyploidy in Fruit Trees
Replies: 1
Views: 2450

Colchicine

Boooyah! One of the many morning glory seeds i have soaked in my colchicine solution for 15 hours has germinated! It took a while, compared to the normal germinating time of a morning glory seed, and it still hasn't popped up yet.. so its still going slow. ...

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by Cristgonz
Thu Nov 22, 2007 4:02 am
 
Forum: Genetics
Topic: Colchicine
Replies: 8
Views: 10730
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