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      • American Studies Center
      • Psychology Research Center
      • Research Laboratory of Applied Sociology
      • Center for Mathematical and Applied Research
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      • Scientific and Educational Center for Control and Monitoring of the Quality of Medicines
      • Legal Clinic
      • Center for Applied Psychology
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      • Distance Learning Laboratory of Sociology
    • Column Wrapper
      • Banner
    • Administrative Divisions of YSU
      • Academic Secretary
      • Center for Doctoral Education
      • General Division
      • YSU History Museum
      • Department of Energy System Operation
      • Financial Analysis Department
      • Human Resources Department
      • Center for Admissions and Affairs with Applicants
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      • Byurakan Industrial Practice Base
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      • Procurement Planning Department
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      • Accounting Department
      • Center for Quality Assurance
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  1. Main
  2. Employees
  3. Karen Armen Trchounian
download PDF
45-35
(060) 71-05-35
k.trchounian@ysu.am

Karen Armen Trchounian

Faculty of Biology
Research Institute of Biology
Director

Personal information

Date of birth
1989
Education
Institution
Yerevan State University
Faculty
Biology/Biophysics
Date
2009 - 2011
Degree name
Masters
Institution
Yerevan State University
Faculty
Biology/Biophysics
Date
2005 - 2009
Degree name
Bachelor
Scientific Rank/degree
Institution
Yerevan State University
Date
2021
Degree name
Professor
Institution
Yerevan State University
Date
2019
Degree name
Associate professor
Institution
Yerevan State University
Date
2017
Degree name
Doctor
Research Topic
Improving routes of molecular hydrogen production and hydrogenase activity in bacteria during dark fermentation
Institution
Yerevan State University
Date
2013
Degree name
Candidate
Scientific Supervisor
Armen Trchounian
Research Topic
HYDROGENASE ACTIVITY AND PECULIARITIES OF H2 PRODUCTION BY ESCHERICHIA COLI DURING GLYCEROL FERMENTATION
Language skills
Русский
English
Deutsch
Work experience
Institution
YSU
Period of time
2023 till now
Rank/degree
Director Research Institute of Biology
Institution
YSU
Period of time
2021 till now
Rank/degree
Professor, Department of Biochemistry, Microbiology and Biotechnology
Institution
MoESCS
Period of time
2021 - 2023
Rank/degree
Deputy Minister
Institution
YSU
Period of time
2020 - 2021
Rank/degree
Head of the laboratory of Microbiology, Bioenergetics and Biotechnology Research Institute of Biology
Institution
YSU
Period of time
2020 - 2021
Rank/degree
Acting Head of Department of Biochemistry, Microbiology and Biotechnology
Institution
YSU
Period of time
2019 - 2021
Rank/degree
Associate Professor, Department of Biochemistry, Microbiology and Biotechnology
Institution
YSU
Period of time
2015 - 2021
Rank/degree
Deputy Director Research Institute of Biology
Participation in international conferences and seminars
20/06/2019 - 24/06/2019
ASM2019 meeting
United States of America (the)
06/06/2018 - 11/06/2018
ASM2018 meeting
United States of America (the)
17/06/2018 - 22/06/2018
22nd World Hydrogen Energy Congress
Brazil
01/07/2019 - 01/09/2019
DAAD Research Fellowship for short stays for academics
Martin Luther University of Halle-Wittenberg
Germany
06/07/2019 - 11/07/2019
44the FEBS meeting
Poland
17/11/2022 - 22/11/2023
COST CA18113 meeting
TU Wien
Austria
30/06/2022 - 02/07/2023
2nd FEMS Conference on Microbiology
Serbia
19/09/2023 - 22/09/2023
Microbial stress meeting
TU Wien
Austria
04/12/2023 - 10/12/2023
Erasmus+ staff mobility
University of Bourgogne Franch Comte
France
09/07/2023 - 13/07/2023
FEMS2023 Congress
Germany
Membership
Institution
American Society for Microbiology Ambassador to Armenia
Period of time
2018 till now
Institution
American Society for Microbiology
Period of time
2010 till now
Institution
Armenian Association of Biochemists
Period of time
2010 till now
Institution
Armenian Microbiological Association
Period of time
2009 till now
Institution
YSU Faculty of Biology Scientific Council
Period of time
2017 till now
Institution
051 Specialized Council on doctoral degrees
Period of time
2017 till now
State awards and honorary titles
2019
YSU Gold medal
2013
Academia Award dedicated to 70th Anniversary of NAS RA

Publications

- Կատեգորիա -
Article
Optimized biomass and bioethanol production from dairy industry side streams by Saccharomyces cerevisiae ATCC 13007 under aerobic and microaerophilic conditions
Liana Anikian
Anahit Shirvanyan
Ani Paloyan
Mari Gasparyan
Karen Trchounian
Anna Poladyan
Cleaner Engineering and Technology
2026
101160
https://www.scopus.com/pages/publications/105029076864?origin=resultslist
Article
Thiol groups are determinant for overcoming acetic acid and pH stress in wine and beer fermentation-derived Saccharomyces cerevisiae strains
Anahit Shirvanyan
Angela Primavera
Nicoletta Guaragnella
Rodrigo Ledesma-Amaro
Karen Trchnounian
FEMS Yeast Research
2026
1-16
https://www.scopus.com/pages/publications/105029839104?origin=resultslist
Article
Enhancement of light-independent biohydrogen production through stimulation of hydrogenase activity: a critical review
A.A. Laikova
E.A. Zhuravleva
A.A. Ivanenko
S.V. Shekhurdina
A.A. Kovalev
D.A. Kovalev
Santhosh Pillai
Julio Cesar de Carvalho
Carlos Ricardo Soccol
Binghua Yan
Mukesh Kumar Awasthi
Karen Trchounian
Yuriy Litti
International Journal of Hydrogen Energy
2026
154716
https://doi.org/10.1016/j.ijhydene.2026.154716
Article
The antibacterial effect of Tanacetum argyrophyllum essential oil on kanamycin-resistant Escherichia coli by disruption of energy metabolism and proton fluxes
Lusine Margaryan
Silvard Tadevosyan
Armen Sahakyan
Karen Trchounian
Naira Sahakyan
Scientific Reports
2026
13576
https://doi.org/10.1038/s41598-026-44036-z
Article
Mitochondrial dysfunction redirects proton transport and energy homeostasis in Saccharomyces cerevisiae under variable pH and glucose conditions
Liana Anikyan
Anahit Shirvanyan
Nicoletta Guaragnella
Karen Trchounian
Biochimica et Biophysica Acta (BBA) - Bioenergetics
2026
149595
https://doi.org/10.1016/j.bbabio.2026.149595
Article
Disruption of bacterial redox homeostasis by Tanacetum argyrophyllum essential oil in antibiotic-sensitive and resistant Escherichia coli
Lusine Margaryan
Silvard Tadevosyan
Karen Trchounian
Naira Sahakyan
AIMS Biophysics
2026
189 - 203
https://doi.org/10.3934/biophy.2026011
Article
Efficient co-valorization of sugar beet pulp/molasses hydrolysates by Escherichia coli for enhanced biohydrogen production
Ani Aghajanyan
Gayane Mikoyan
Liana Vanyan
Akerke Toleugazykyzy
Ayaulym Daniyarova
Kaisar Yegizbay
Kairat Bekbayev
Karen Trchounian
International Journal of Hydrogen Energy
2026
155559 - 155559
https://doi.org/10.1016/j.ijhydene.2026.155559
Article
Role of E. coli acid resistance systems in proton motive force formation during fermentation
Heghine Gevorgyan
Tamara Abaghyan
Stella Hakobyan
Sophie Brameyer
Kirsten Jung
Karen Trchounian
Biophysical Reports
2026
100266
https://doi.org/10.1016/j.bpr.2026.100266
Article
Formate hydrogenlyase is essential for pH homeostasis, maintenance of ATP levels, and CO2 provision in stationary-phase Escherichia coli
Christopher Erdmann
Liana Vanyan
Karen Trchounian
R. Gary Sawers
Journal of Bacteriology
2026
e0000726
https://doi.org/10.1128/jb.00007-26
Article
Integrated biohydrogen and bioelectricity production by wild-type and engineered Escherichia coli using mixed kitchen lignocellulosic and meat waste hydrolysates
Liana Mnatsakanyan
Rima Avetisyan
Lusine Baghdasaryan
Akerke Toleugazykyzy
Kaisar Yegizbay
Aknur Melissova
Kairat Bekbayev
Karen Trchounian
Anna Poladyan
Energy Reports
2026
109459
https://doi.org/10.1016/j.egyr.2026.109459
Article
Hydrogenase Activity and Polyhydroxyalkanoate Accumulation in Cupriavidus necator H16 Cultivated on Dairy and Biodiesel Industry By-Products
Anna Poladyan
Ofelya Karapetyan
Ela Minasyan
Karen Trchounian
Biological Science and Innovation for Achieving the Sustainable Development Goals
2026
21 - 38
https://doi.org/10.4018/979-8-3373-1524-9.ch002
Article
FhlA-mediated regulation of proton transport and energy transduction in Escherichia coli at acidic pH
Heghine Gevorgyan
Anait Vassilian
Anna Poladyan
Karen Trchounian
PLOS ONE
2026
e0351220
https://doi.org/10.1371/journal.pone.0351220
Article
Transforming Vegetable Waste Potential Into Biohydrogen and Biomass Using E. Coli
Liza Jorkntsyan
Liana Vanyan
Akerke Toleugazykyzy
Kairat Bekbayev
Karen Trchounian
International Journal of Energy Research
2026
7149980
https://doi.org/10.1155/er/7149980
Conference
Disruption of bacterial redox homeostasis by Tanacetum argyrophyllum essential oil in antibiotic-susceptible and resistant Escherichia coli
Lusine Margaryan
Silvard Tadevosyan
Սոնա Սարգսյան
Karen Trchounian
Naira Sahakyan
2026
91
https://eurestop.eu/wp-content/uploads/2026/05/Practical-Information_Pula_Eures…
Article
A novel approach for synthesizing silver nanoparticles with antibacterial and cytotoxic activities using the leaf extract of hydroponically grown Moringa oleifera
Anush Aghajanyan
Marina Timotina
Tatevik Manutsyan
Ani Harutyunyan
Mikayel Ginovyan
Robin Schubert
Sofiya Aydinyan
Karen Trchounian
Lilit Gabrielyan
Liana Gabrielyan
Scientific Reports
2025
1-18
Article
Critical factors influencing biohythane production from research to commercialization
Karen Trchounian
Si-Kyung Cho
Alissara Reungsang
Vinod Kumar
Bartłomiej Iglinski
Grzegorz Piechota
Gopalakrishnan Kumar
Energy
2025
136284
Article
Fermentation of Sugar Beet Pulp by E. coli for Enhanced Biohydrogen and Biomass Production
Gayane Mikoyan
Liana Vanyan
Akerke Toleugazykyzy
Roza Bekbayeva
Kamila Baichiyeva
Kairat Bekbayev
Karen Trchounian
Energies
2025
2648
Article
A novel, cost-effective approach for the production of hydrogenase enzymes and molecular hydrogen from recycled whey-based by-products
Meri Iskandaryan
Լusine Baghdasaryan
Ela Minasyan
Karen Trchounian
Antranikian Garabed
Anna Poladyan
International Journal of Hydrogen Energy
2025
1191-1202
Article
Biotechnological potential of spent coffee grounds for biohydrogen production by Escherichia coli
Liana Vanyan
Hayarpi Aghekyan
Anait Vassilian
Anna Poladyan
Karen Trchounian
International Journal of Hydrogen Energy
2025
1121-1131
Article
Redox regulation of hydrogen production in Escherichia coli during growth on by-products of the wine industry
Lusine Baghdasryan
Karen Trchounian
Gary Sawers
Anna Poladyan
Applied Microbiology and Biotechnology
2025
146

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