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Conference Paper: Using recombinant human tubulin to dissect the structure and function of the microtubules with different tubulin isotypes
Title | Using recombinant human tubulin to dissect the structure and function of the microtubules with different tubulin isotypes |
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Authors | |
Issue Date | 2019 |
Citation | Colloquium Seminar Series, Department of Biological Sciences, National University of Singapore, Singapore, October 2019 How to Cite? |
Abstract | α/β-tubulin heterodimers polymerize into microtubules that are central to cellular processes, such as cell division, cell migration, and organelle transportation. The human genome encodes at least nine α- and ten β-tubulin gene families (i.e., isotypes). Single point mutations in a specific tubulin isotype have been associated with human diseases, suggesting that tubulin isotypes do not complement each other in functions. However, even with studies for more than five decades, the biological function and properties of human tubulin isotypes are currently not clear. This knowledge gap is mainly due to the challenge facing the field to generate recombinant human tubulin of specific isotypes. To fill this knowledge gap, we developed a long-sought strategy for generating recombinant human tubulin of specific isotypes. We discovered that changes in the primary sequences of nanometer-size tubulin (i.e., disease-related point mutations or tubulin isotypes) could control the polymerization dynamics, the stability, and the tubulin subunit organization of micrometer-scale polymers. Our work on recombinant human tubulin opens a new avenue for answering the biological questions that have puzzled the field for decades. |
Persistent Identifier | http://hdl.handle.net/10722/299438 |
DC Field | Value | Language |
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dc.contributor.author | Ti, SC | - |
dc.date.accessioned | 2021-05-17T08:42:02Z | - |
dc.date.available | 2021-05-17T08:42:02Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Colloquium Seminar Series, Department of Biological Sciences, National University of Singapore, Singapore, October 2019 | - |
dc.identifier.uri | http://hdl.handle.net/10722/299438 | - |
dc.description.abstract | α/β-tubulin heterodimers polymerize into microtubules that are central to cellular processes, such as cell division, cell migration, and organelle transportation. The human genome encodes at least nine α- and ten β-tubulin gene families (i.e., isotypes). Single point mutations in a specific tubulin isotype have been associated with human diseases, suggesting that tubulin isotypes do not complement each other in functions. However, even with studies for more than five decades, the biological function and properties of human tubulin isotypes are currently not clear. This knowledge gap is mainly due to the challenge facing the field to generate recombinant human tubulin of specific isotypes. To fill this knowledge gap, we developed a long-sought strategy for generating recombinant human tubulin of specific isotypes. We discovered that changes in the primary sequences of nanometer-size tubulin (i.e., disease-related point mutations or tubulin isotypes) could control the polymerization dynamics, the stability, and the tubulin subunit organization of micrometer-scale polymers. Our work on recombinant human tubulin opens a new avenue for answering the biological questions that have puzzled the field for decades. | - |
dc.language | eng | - |
dc.relation.ispartof | Colloquium Seminar Series, Department of Biological Sciences, National University of Singapore | - |
dc.title | Using recombinant human tubulin to dissect the structure and function of the microtubules with different tubulin isotypes | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Ti, SC: jeffti@hku.hk | - |
dc.identifier.authority | Ti, SC=rp02617 | - |
dc.identifier.hkuros | 309710 | - |