Team:Kyoto

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Every organism has various cycles such as repeated cell division, and ordered patterns of the animals' body. These cycles can be made just by two factors. Using E. coli, we tried to check this principle at intracellular and intercellular levels. Firstly, some researchers propose RNA world hypothesis. Then, did an oscillatory regulation system of RNA function exist in RNA world? To show the possibility of cycle formation by RNA, we tried to construct an oscillator based on the principle by utilizing two different types of functional RNA, which are transcriptional activator and repressor (RNA oscillator). Secondly, Turing, a famous mathematician suggests that some of the animals’ body patterns (Turing Pattern) obey the principle. However, it's not certain if the organisms can make their pattern just by this principle. To check this, we used two types of E. coli, which secrete different factors, and regulated their population.