A talk by Osamu Shimmi, Professor of Developmental Biology, on intracellular signals | University of Tartu

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Contacts of UT units

Faculty of Arts and Humanities
Faculty phone: 
+372 737 5341
Faculty address: 
Jakobi 2, rooms 116–121, 51005 Tartu
  • Dean's Office
    Faculty phone: 
    + 372 737 5341
    Faculty address: 
    Jakobi 2, rooms 116–121, 51005 Tartu
  • Institute of History and Archaeology
    Faculty phone: 
    +372 737 5651
    Faculty address: 
    Jakobi 2, 51005 Tartu
  • Institute of Estonian and General Linguistics
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    Faculty address: 
    Jakobi 2, 51005 Tartu
  • Institute of Philosophy and Semiotics
    Faculty phone: 
    +372 737 5314
    Faculty address: 
    Jakobi 2, rooms 309–352, 51005 Tartu
  • Institute of Cultural Research
    Faculty phone: 
    (+372) 737 5223
    Faculty address: 
    Ülikooli 16, 51003 Tartu
  • School of Theology and Religious Studies
    Faculty phone: 
    +372 737 5301
    Faculty address: 
    Ülikooli 18–310, 50090 Tartu
  • College of Foreign Languages and Cultures
    Faculty address: 
    Lossi 3, 51003 Tartu
  • Viljandi Culture Academy
    Faculty phone: 
    +372 435 5232
    Faculty address: 
    Posti 1, 71004 Viljandi
Faculty of Social Sciences
Faculty phone: 
+372 737 5957
Faculty address: 
Lossi 36, 51003 Tartu
  • Dean's Office
    Faculty phone: 
    + 372 737 5900
    Faculty address: 
    Lossi 36, 51003 Tartu
  • Institute of Education
    Faculty phone: 
    +372 737 6440
    Faculty address: 
    Salme 1a–29, 50103 Tartu
  • Johan Skytte Institute of Political Studies
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    +372 737 5582
    Faculty address: 
    Lossi 36–301, 51003 Tartu
  • School of Economics and Business Administration
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    J. Liivi 4, 50409 Tartu
  • Institute of Psychology
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Faculty of Medicine
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  • Dean's Office
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  • Institute of Biomedicine and Translational Medicine
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  • Institute of Pharmacy
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  • Institute of Dentistry
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  • Institute of Clinical Medicine
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  • Institute of Family Medicine and Public Health
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  • Institute of Sport Sciences and Physiotherapy
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Faculty of Science and Technology
Faculty phone: 
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Vanemuise 46–208, 51014 Tartu
  • Dean's Office
    Faculty phone: 
    +372 737 5820
    Faculty address: 
    Vanemuise 46–208, 51005 Tartu
  • Institute of Computer Science
    Faculty phone: 
    +372 737 5445
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    J. Liivi 2, 50409 Tartu
  • Estonian Marine Institute
    Faculty phone: 
    +372 671 8902
    Faculty address: 
    Mäealuse 14, 12618 Tallinn
  • Institute of Physics
    Faculty address: 
    W. Ostwaldi 1, 50411 Tartu
  • Institute of Chemistry
    Faculty phone: 
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    Faculty address: 
    Ravila 14a, 50411 Tartu
  • Institute of Mathematics and Statistics
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    J. Liivi 2, 50409 Tartu
  • Institute of Molecular and Cell Biology
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  • Tartu Observatory
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  • Institute of Technology
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  • Institute of Ecology and Earth Sciences
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    Faculty address: 
    Vanemuise 46, 51003 Tartu
Institutions
  • Library
    Faculty phone: 
    +372 737 5702
    Faculty address: 
    W. Struve 1, 50091 Tartu
  • Youth Academy
    Faculty phone: 
    +372 737 5581
    Faculty address: 
    Uppsala 10, 51003 Tartu
  • Institute of Genomics
    Faculty phone: 
    +372 737 4000
    Faculty address: 
    Riia 23b, 51010 Tartu
  • Museum
    Faculty phone: 
    +372 737 5674
    Faculty address: 
    Lossi 25, 51003 Tartu
  • University of Tartu Natural History Museum and Botanical Garden
    Faculty phone: 
    +372 737 6076
    Faculty address: 
    Vanemuise 46, 51003 Tartu
Support Units
  • Administrative Office
    Faculty phone: 
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    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Centre for Entrepreneurship and Innovation
    Faculty phone: 
    +372 737 6339
    Faculty address: 
    Lossi 3, III floor, 51003 Tartu
  • University Office in Tallinn
    Faculty phone: 
    +372 737 6600
    Faculty address: 
    Teatri väljak 3, 10143 Tallinn
  • Estates Office
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    +372 737 5137
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Finance Office
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    +372 737 5125
    Faculty address: 
    Jakobi 4, 51005 Tartu
  • Grant Office
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    Lossi 3, III floor, 51003 Tartu
  • Information Technology Office
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  • Human Resources Office
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    Ülikooli 18, rooms 302 and 304, 50090 Tartu
  • Internal Audit Office
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  • Marketing and Communication Office
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    Ülikooli 18, rooms 102, 104, 209, 210, 50090 Tartu
  • Office of Academic Affairs
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    Faculty address: 
    Ülikooli 18, 50090 Tartu
  • Procurement Office
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    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Rector's Strategy Office
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    Faculty address: 
    Ülikooli 18, 50090 Tartu
  • Student Council
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    Ülikooli 18b, 51005 Tartu
  • University of Tartu Press
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    W. Struve 1, 50091 Tartu
Other Units
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  • Tartu Students’ Club
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  • Tartu University Hospital
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  • University of Tartu Foundation
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    Faculty address: 
    Ülikooli 18, 50090 Tartu
  • View all other units

A talk by Osamu Shimmi, Professor of Developmental Biology, on intracellular signals

Osamu Shimmi. Photo: private collection

The inaugural lecture by Osamu Shimmi, Professor of Developmental Biology at the University of Tartu, is entitled “Cellular dynamics and signalling in tissue development: lessons from the fruit fly Drosophila melanogaster” and will take place at 16:15 on Thursday 17 October in the University Assembly Hall. The lecture will be given in English.

Animal development from embryo to adulthood involves dynamic changes in tissue structure. Studies have shown that it is mediated by a limited number of signalling proteins inherent to animals. A signalling protein is a molecule that acts in a cell as a kind of trigger, activating a chain of reactions. Despite increasing knowledge of tissue morphogenesis, i.e. its formation and development, it remains poorly understood how dynamic tissue structure affects signal transduction.

In his lecture, Professor Shimmi will introduce a hypothesis suggesting that it is indeed intrinsic cellular signals which regulate the size, shape and type of cells in tissue development. He will also talk about recent findings on how changes in cellular structure impact tissue architecture and how research into the fruit fly leads to further understanding of both human development and human diseases.

Tambet Tõnissoo, Head of Chair and Associate Professor in Developmental Biology, said that the correct formation of the shape of an organism and the shapes of individual body parts is both one of the most crucial and one of the most complicated components of animal development. “During morphogenesis, cells migrate to their correct locations, communicating with other cells, exchanging information with their ambient environment, changing their shape and behaviour and dividing,” he explained.

In his scientific research, Professor Shimmi focuses on tissue morphogenesis and signalling in the fruit fly Drosophila melanogaster. According to Tambet Tõnissoo, Professor Shimmi has elegantly demonstrated how tissue morphogenesis happens in fruit fly wing development due to regulation by signal molecules inherent to animal organisms. “The developmental model of the wing of the fruit fly, which can easily be genetically modified, is quite remarkable, because knowledge of the mechanisms of morphogenesis helps us to unravel the mechanisms underlying many human diseases that involve disturbances in normal morphogenesis,” he said.

Professor Shimmi earned his PhD in biochemistry at the University of Tsukuba, Japan and was a postdoctoral fellow at the Howard Hughes Medical Institute, University of Minnesota, USA. Since 2005 he has been a group leader with the Developmental Biology programme at the Institute of Biotechnology at the University of Helsinki. He has been a member of the Centre of Excellence in Experimental and Computational Developmental Biology of the Academy of Finland since 2014.

The inaugural lecture will be livestreamed and can be followed via the UTTV video portal.

For further information please contact:
Osamu Shimmi, Professor of Developmental Biology, University of Tartu, +358 440 456 765, osamu.shimmi [ät] ut.ee
Tambet Tõnissoo, Head of Chair, Associate Professor in Developmental Biology, University of Tartu, +372 737 5025, tambet.tonissoo [ät] ut.ee

Sandra Sommer
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