Combinatorial Chemistry and Drug Discovery Lab Jasmine ... - haspi

During the
EXPONENTIAL or LOG
PHASE bacteria are
growing and dividing
at the maximal rate
given their genetic
potential, nature of the
medium and conditions
under which they are
growing.
In the STATIONARY
PHASE, the total number
of viable bacteria
a
remains constant. This
may result from a
balance between cell
division and cell death or
cells may cease to divide
while remaining
metabolically active.
When microorganisms are
introduced into fresh culture
medium usually no immediate
increase in cell number occurs
therefore this is referred to as
the LAG PHASE.
Detrimental environmental
conditions such as lack of
nutrients and waste buildup
lead to the decline, usually
logarithmic, in the number of
viable cells. This is characteristic
of the DEATH PHASE.
What limiting factors would cause a microbial
population to enter the stationary phase?