2023, Cilt 53, Sayı 1, Sayfa(lar) 001-009 |
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Bacterial Circadian Rhythm |
Ayşegül Ateş, Şafak Ermertcan |
Ege Üniversitesi, Eczacılık Fakültesi, Farmasötik Mikrobiyoloji Anabilim Dalı, İzmir, Türkiye |
Keywords: Circadian rhythm, cyanobacteria, oscillator |
Circadian rhythm, which can also be defined as a molecular clock, is the whole of metabolic, biochemical,
and hormonal changes. Circadian rhythm can be seen through molecular mechanisms with similarities and
differences in prokaryotes, fungi, plants, and insects. These rhythm is also seen in cyanobacteria, which are
thought to have an extremely simple lifestyle. Depending on the rhythm, it performs photosynthesis in day and
nitrogen fixation at night. The circadian rhythm created by cyanobacteria has started to appear independent of
the change in daylight after. This mechanism can be examined in three basic steps; ‘oscillator’, ‘input pathway’,
and ‘output pathway’. The information coming to the oscillators from the input pathways is translated into
gene expression, and by the output pathways, certain cellular activities occur in a daily rhythm. Rhythms that
resemble the circadian rhythm are also observed in non-photosynthetic microorganisms. By considering the
bacterial circadian rhythm, problems such as antibiotic resistance and dysbiosis can be combated in the field of
medicine. In the field of industry and agriculture, innovations that can positively shape the quality of both the
product and the production, can be realized.
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