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Biography

Long-Fei Wu is a Research Director at Institute of Mediterranean Microbiology of CNRS-AMU in Marseille, France. He received his early education at Shandong University in China before earning his Master and PhD in Microbiology and Biochemistry at National Institute of Applied Sciences in Lyon, France. After postdoctoral training with Milton Saier at University of California San Diego, he joined CNRS in 1990. He is French Scientific Coordinator of a France-China international associated laboratory and focus on the study of evolution and development of magnetotactic multicellular organisms. He is particularly interested in the paradox and paradigm of photobiology in the dark oceans. His laboratory investigates the diversity and evolution of magnetic prokaryote multicellularity using genomics and microbiology methods in combination with advance microfluidic and microscopy technologies.


Abstract

Fascinating features of magnetic multicellularity

Long-Fei Wu

Aix-Marseille University, CNRS, LCB, IMM, Marseille 13402, France / France-China International Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms, CAS-CNRS

Phone: 33-6 8189 5495, 86-136 9755 8700

Email: wu@imm.cnrs.fr

The invention of multicellularity is one of the principal thresholds in evolutionary history. Multicellularity has evolved independently several times and results in three well-known instantiations of multicellular prokaryotes: cyanobacteria, actinobacteria and myxobacteria. Besides biofilms other types of multicelluar prokaryotes are sporadically reported and the enigma of their origin remains to be elucidated. Polarity plays an essential role in development, physiology and motility of multicellular organisms. The physico-chemical parameters that determine organism polarity include gravity, temperature, chemical gradient and magnetic field. Magnetoglobules are a fascinating invention of multicellular prokaryotes. They distinguish from the other multicellular prokaryotes in morphology, motility, lifestyle and phylogenetics. I’ll present and discuss the salient features about the genome, ultrastructure and photosensitive magnetotactic behavior of the magnetoglobules.
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