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The overall goal of the Onishi lab is to understand the fundamental core mechanisms of eukaryotic cell division that have been conserved throughout the evolution from the last eukaryotic common ancestor. To this end, the lab currently uses the unicellular model green alga Chlamydomonas reinhardtii, which is evolutionarily close to plants yet divide like animals by forming a cleavage furrow. Strikingly, unlike animals, this organism does not have a non-muscle type-II myosin that has been believed to be essential for furrowing. In fact, animals, fungi, slime molds, and related species are the exceptions in that they have this myosin motor protein, and the vast majority of the eukaryotes divide by some mechanism that we don't fully understand. Our work aims to understand how the cells without type-II myosin manage to form a cleavage furrow, which should shed light on the questions such as:
(1) How did the ancestral cells divide?
(2) What was the evolutionary advantage of type-II myosin when it emerged in the select lineage?
(3) How did the unique evolution into modern land plants happen?
(1) How did the ancestral cells divide?
(2) What was the evolutionary advantage of type-II myosin when it emerged in the select lineage?
(3) How did the unique evolution into modern land plants happen?
Research Interests
Papers共 50 篇Author StatisticsCo-AuthorSimilar Experts
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bioRxiv : the preprint server for biology (2024)
biorxiv(2024)
Current Biologyno. 13 (2024): R611-R612
crossref(2023)
Nature Genetics (2020)
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Author Statistics
#Papers: 51
#Citation: 1193
H-Index: 20
G-Index: 34
Sociability: 5
Diversity: 3
Activity: 12
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