Question

Ti Full form and example and explain in 11 point
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Answer 1

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• A tumour inducing (Ti) plasmid is a plasmid found in pathogenic species of Agrobacterium, including A. tumefaciens, A. rhizogenes, A. rubi and A. vitis.

• A diagram showing the structure of the Ti plasmid, with various important regions labeled

• The structure of the Ti plasmid

• Evolutionarily, the Ti plasmid is part of a family of plasmids carried by many species of Alphaproteobacteria.

• Members of this plasmid family are defined by the presence of a conserved DNA region known as the repABC gene cassette, which mediates the replication of the plasmid, the partitioning of the plasmid into daughter cells during cell division as well as the maintenance of the plasmid at low copy numbers in a cell.

• The Ti plasmids themselves are sorted into different categories based on the type of molecule, or opine, they allow the bacteria to break down as an energy source.