Mari Pent “Bacterial communities associated with fungal fruitbodies” | 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
    Faculty phone: 
    +372 737 5221
    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: 
    J. Liivi 4, 50409, 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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    Faculty address: 
    Narva mnt 18, 51009 Tartu
  • Institute of Psychology
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Faculty of Medicine
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Ravila 19, 50411 Tartu
  • Dean's Office
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    Ravila 19, 50411 Tartu
  • Institute of Biomedicine and Translational Medicine
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    Biomeedikum, Ravila 19, 50411 Tartu
  • 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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    Ravila 19, 50411 Tartu
  • Institute of Sport Sciences and Physiotherapy
    Faculty phone: 
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    Faculty address: 
    Jakobi 5–205, 51005 Tartu
Faculty of Science and Technology
Faculty phone: 
+372 737 5820
Faculty address: 
Vanemuise 46–208, 51014 Tartu
  • Dean's Office
    Faculty phone: 
    +372 737 5820
    Faculty address: 
    Vanemuise 46–208, 51003 Tartu
  • Institute of Computer Science
    Faculty phone: 
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    Faculty address: 
    Narva mnt 18, 51009 Tartu
  • Estonian Marine Institute
    Faculty phone: 
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    Faculty address: 
    Mäealuse 14, 12618 Tallinn
  • Institute of Physics
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  • Institute of Chemistry
    Faculty phone: 
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    Faculty address: 
    Ravila 14a, 50411 Tartu
  • Institute of Genomics
    Faculty phone: 
    +372 737 4000
    Faculty address: 
    Riia 23b, 51010 Tartu
  • Institute of Mathematics and Statistics
    Faculty phone: 
    +372 737 5860
    Faculty address: 
    Narva mnt 18, 51009 Tartu
  • Institute of Molecular and Cell Biology
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    Riia 23, 23b–134, 51010 Tartu
  • Tartu Observatory
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    Observatooriumi 1, Tõravere, 61602 Tartumaa
  • Institute of Technology
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    Faculty address: 
    Nooruse 1, 50411 Tartu
  • Institute of Ecology and Earth Sciences
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    +372 737 5835
    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
  • 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: 
    +372 737 5606
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Centre for Entrepreneurship and Innovation
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    +372 737 4809
    Faculty address: 
    Narva mnt 18, 51009, Tartu
  • University Office in Tallinn
    Faculty phone: 
    +372 737 6600
    Faculty address: 
    Teatri väljak 3, 10143 Tallinn
  • Estates Office
    Faculty phone: 
    +372 737 5137
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Finance Office
    Faculty phone: 
    +372 737 5125
    Faculty address: 
    Jakobi 4, 51005 Tartu
  • Grant Office
    Faculty phone: 
    +372 737 6215
    Faculty address: 
    Raekoja plats 9, 51004 Tartu
  • Information Technology Office
    Faculty phone: 
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    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Human Resources Office
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    +372 737 5145
    Faculty address: 
    Ülikooli 18, rooms 302 and 304, 50090 Tartu
  • Internal Audit Office
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    Ülikooli 18-244, 51005 Tartu
  • International Cooperation and Protocol Office
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    Faculty address: 
    Ülikooli 18, rooms 104, 301, 305, 50090 Tartu
  • Marketing and Communication Office
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    +372 737 5687
    Faculty address: 
    Ülikooli 18, rooms 102, 104, 209, 210, 50090 Tartu
  • Office of Academic Affairs
    Faculty phone: 
    +372 737 5620
    Faculty address: 
    Ülikooli 18, 50090 Tartu
  • Procurement Office
    Faculty phone: 
    +372 737 6632
    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Rector's Strategy Office
    Faculty phone: 
    +372 737 5600
    Faculty address: 
    Ülikooli 18, 50090 Tartu
  • Student Council
    Faculty address: 
    Ülikooli 18b, 51005 Tartu
  • University of Tartu Press
    Faculty phone: 
    +372 737 5945
    Faculty address: 
    W. Struve 1, 50091 Tartu
Other Units
  • University of Tartu Academic Sports Club
    Faculty phone: 
    +372 737 5371
    Faculty address: 
    Ujula 4, 51008 Tartu
  • Tartu Student Village
    Faculty phone: 
    +372 740 9959
    Faculty address: 
    Narva mnt 25, 51013 Tartu
  • Tartu Students’ Club
    Faculty phone: 
    +372 730 2400
    Faculty address: 
    Kalevi 24, 51010 Tartu
  • Tartu University Hospital
    Faculty address: 
    L. Puusepa 1a, 50406 Tartu
  • University of Tartu Foundation
    Faculty phone: 
    +372 737 5852
    Faculty address: 
    Ülikooli 18, 50090 Tartu
  • View all other units

Mari Pent “Bacterial communities associated with fungal fruitbodies”

Date: 
15.12.2020 - 11:15

On 15 December at 11:15 Mari Pent will defend her doctoral thesis “Bacterial communities associated with fungal fruitbodies” for obtaining the degree of Doctor philosophiae (in Botany and Mycology).

Supervisors:
Dr. Kadri Põldmaa, University of Tartu
Dr. Mohammad Bahram, University of Tartu, and Swedish University of Agricultural Sciences (Sweden) 

Oponent:
Dr. Sari Timonen, University of Helsinki (Finland)

Summary
Eukaryotic organisms host various microbes which can play an important role in enhancing host’s health, development and fitness. Although fungi represent a species-rich and diverse group of eukaryotes, the bacterial communities associated with fungi, especially those residing in fungal fruitbodies, have received little attention. Additional knowledge about fungal-bacterial interactions is important not only for reaching a better understanding of their ecological role, but also for the improvement of fungal cultivation. The aim of the current PhD thesis was to study the structure and functions of bacterial communities in fruitbodies of different basidiomycete species by using mainly next-generation sequencing methods. In addition, the role of host-derived and environmental factors were analyzed with particular emphasis on the effect of the surrounding soil in shaping the bacterial communities in fungal fruitbodies. The results indicated that host characteristics affect the bacterial community composition in fungal fruitbodies more strongly than the environmental factors. Among the host-associated factors, the host taxonomy, derived from the phylogeny, had the strongest effect, followed by the impact of the fungal functional guild. For the first time it was found that in analogy with other eukaryotes the structure and function of bacterial communities are strongly determined by the host’s genotype within a fungal species. The chemical characteristics of fruitbodies vary among different fungal groups and between saprotrophic and ectomycorrhizal fungi and have an important role shaping the bacterial communities in fruitbodies. Among environmental factors, several soil charactersitics, especially pH, affected the bacterial community composition in fruitbodies. In addition, the hypothesis that most of the endofungal bacteria originate from the surrounding soil was confirmed. Most of the functional genes of endofungal bacteria are involved in the metabolism of carbon compounds, amino acids, proteins, cofactors and vitamins. Thus, bacteria together with its host fungus may be considered as a fully functioning holobiont, where all parties perform certain tasks. However, further investigations on fungal-bacterial interactions will be essential for gaining a deeper understanding about their role in different environments.

Organizer: 
Kersti Püssa
Location: 
Lai 40–218 and via video bridge
URL: 
https://dspace.ut.ee/handle/10062/70306
Event category: