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The wrong decision can be catastrophic: a vegetative cell will die if the conditions are too harsh, while bacteria forming spores in an environment which is conducive to vegetative growth will be out competed. [3] In short, initiation of sporulation is a very tightly regulated network with numerous checkpoints for efficient control. [citation ...
Bacterial growth is proliferation of bacterium into two daughter cells, in a process called binary fission. Providing no mutation event occurs, the resulting daughter cells are genetically identical to the original cell. Hence, bacterial growth occurs. Both daughter cells from the division do not necessarily survive.
Germination is the process by which an organism grows from a seed or spore. The term is applied to the sprouting of a seedling from a seed of an angiosperm or gymnosperm, the growth of a sporeling from a spore, such as the spores of fungi, ferns, bacteria, and the growth of the pollen tube from the pollen grain of a seed plant.
Prior to the process of sporulation the cells might become motile by producing flagella, take up DNA from the environment, or produce antibiotics. [ 6 ] [ 7 ] These responses are viewed as attempts to seek out nutrients by seeking a more favourable environment, enabling the cell to make use of new beneficial genetic material or simply by ...
H. coagulans is a Gram-positive, catalase-positive, spore-forming, motile, facultative anaerobe rod that measures approximately 0.9 μm by 3.0 μm to 5.0 μm. It may appear Gram negative when entering the stationary phase of growth. The optimum temperature for growth is 50 °C (122 °F); the range of temperatures tolerated is 30–55 °C (86 ...
This process, known as chemically induced sporulation, is triggered by the presence of glycerol and other chemical compounds at high concentrations. [35] The biological implications of this sporulation process have been controversial for decades due to the unlikeliness of finding such high concentrations of chemical inducers in their natural ...
A wide range of factors can affect the growth rate of S. pasteurii. This includes finding the optimal temperature, pH, urea concentration, bacterial density, oxygen levels, etc. [ 7 ] It has been found that the optimal growing temperature is 30 °C, but this is independent of the other environmental factors present. [ 5 ]
Studies of bacteria made to not produce a cell wall, called L-form bacteria, shows that FtsZ requires a cell wall to work. Little is known about how bacteria that naturally don't grow a cell wall divide, but it is thought to resemble the L-form's budding -like division process of extrusion and separation.