Environmental Biology and Chronobiology

To reveal the principles of animal evolution, we conduct genome-wide studies using basal animals. In particular, we focus on unique ecology related to environmental adaptation and interactions between organisms, and aim to elucidate its molecular mechanism.

	Prof. YOSHII Taishi E-mail: yoshii [at] okayama-u.ac.jp chronobiology, circadian clock, Drosophila melanogaster Directory of Researchers 　　　Homepage

Prof. YOSHII Taishi
E-mail: yoshii [at] okayama-u.ac.jp
chronobiology, circadian clock, Drosophila melanogaster

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We study the neuronal mechanisms of the circadian clock using the model organism Drosophila melanogaster.

	Prof. ANSAI Satoshi E-mail：ansai [at] okayama-u.ac.jp evolutionary biology, genetics, genomics, genome editing Directory of Researchers 　Homepage

Prof. ANSAI Satoshi
E-mail：ansai [at] okayama-u.ac.jp
evolutionary biology, genetics, genomics, genome editing

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Phenotypic diversity in medaka fishes endemic to Sulawesi, Indonesia

Teleost fishes has become diversified and adapted to various aquatic environemnts. We aim to elucidate the molecular genetic basis and the evolutionary mechanisms of their phenotypic diversity. In particular, we are focusing on sexual dimorphism and speciation of the family Adrianichthyidae (medaka and its relatives), which has diverisified in East and Southeast Asia. Additionally, we are conducting development/inprovement of genome editing technologies in fishes and breeding of aquacultural fishes.

	Prof. HAMADA Mayuko E-mail: hamadam [at] okayama-u.ac.jp) animal evolution, genome, symbiosis, environmental adaptation Directory of Researchers 　　　Link to group homepage

Prof. HAMADA Mayuko
E-mail: hamadam [at] okayama-u.ac.jp)
animal evolution, genome, symbiosis, environmental adaptation

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Mechanism of Symbiosis between Animal and Algae

Symbiosis with algae is a general phenomenon found in various animals, but the relationships and evolutionary processes are diversified between species. We are focusing on the unique ecology of cnidarians and acoelomorpha, which have symbiotic algae inside their bodies, and analyzing the molecular mechanisms of interactions between organisms and adaptive evolution from genetic and genomic perspectives. Our research is conducted at the Ushimado Marine Institute. We are also investigating the distribution and ecology of various aquatic organisms using DNA information.