As a chromosome with a new gene duplicate spreads through a population, there is polymorphism in the number of copies of the gene that individuals carry. This situation, called copy number variation.

TLS Online TPP Program

#Id: 3079

#Unit 3. Fundamental Processes

The structure of MreB protein resembles that of the eukaryotic protein actin, which polymerizes to form cytoskeletal filaments in eukaryotic cells.

TLS Online TPP Program

#Id: 3080

#Unit 3. Fundamental Processes

In bacteria, MreB polymerizes and appears to move in patches around the circumference of the cell attached to the peptidoglycan synthesis machinery, includingPBP2.

TLS Online TPP Program

#Id: 3081

#Unit 3. Fundamental Processes

RodA is a member of the SEDS (shape, elongation, division, and sporulation) family present in all bacteria that have a peptidoglycan cell wall.

TLS Online TPP Program

#Id: 3082

#Unit 3. Fundamental Processes

fts mutants form long filaments because the septum that divides the daughter bacteria fails to form.

TLS Online TPP Program

#Id: 3083

#Unit 3. Fundamental Processes

Minicells form in mutants that produce too many septa; they are small and lack DNA.  

TLS Online TPP Program

#Id: 3084

#Unit 3. Fundamental Processes

Anucleate cells of normal size are generated by partition mutants, in which the duplicate chromosomes fail to separate.