Ayirkm Adugna Woldie (PhD)

Full Name Ayirkm Adugna Woldie (PhD)
Academic Rank Assistant Professor of Environmental Engineering for Symbiosis
Educational Background
  • Doctor of Philosophy in Environmental Engineering for symbiosis (Applied microbiology), Soka University, Japan, 2025
  • Master of Science in Applied Microbiology, Bahir Dar University, Ethiopia, 2012
  •   Bachelor of Education degree in Biology, Bahir Dar University, Ethiopia, 2008
Working Experience
  •  Assistant Professor of Environmental Engineering for symbiosis (Applied microbiology) at Injibara University from March 2025 to date
  • Student Service Director, Injibara University from September 2017 to September 2021
  • Worked as a Lecturer of Biology at Injibara University from September 2017 to September 2021
  • Completed a certified Higher Diploma Program (HDP) moderated by Debre Markos University in 2016.
  • Higher Diploma Programme (HDP) Tutor from 2013-2015
  • Head, Department of Natural Science at Injibara College of Teachers’ Education from 2009 to 2010 and from 2013 to September 2017
  • Worked as Assistant Lecturer and Lecturer of Biology at Injibara College of Teachers’ Education from June 2009 to August 2017
  • Worked as a Graduate Assistant of Biology at Debre-Markos College of Teachers’ Education from October 2008 to June 2009
  • Worked as a biology teacher at Gimjabet Secondary and Preparatory School from July 2008 to October 2008
 

 

Research Interest
  • Cyanobacteria Biotechnology for Nutritional Applications
  • Fermentation and Bioprocessing of Microalgal Biomass
  • Microbial Community Analysis in Algal Cultivation Systems
  • Bioactive Compound Production
 

 

 

 

 

 

Research works

 Research Works done as part of degree requirements:

Dissertation (PhD):

  •  Ayirkm, A. (2025). Molecular identification and cultivation of indigenous Limnospira strains from Ethiopian soda lakes: Growth evaluation under simulated outdoor light conditions (submitted to Soka University, Japan, Graduate School of Science and Engineering).

Thesis (MSc):

  • Ayirkm, A. (2012). Prevalence and Antimicrobial Susceptibility of Escherichia coli Isolated from Diarrheal Children Under Five Years of Age in Bahir Dar Town, Northwest Ethiopia. (submitted to Bahir Dar University, Department of Biology).

Action Research (BEd):

  • Ayirkm, A. (2008). Improving equal participation of students in group discussion at Injibara Senior Secondary School of grade 9th A, students during Biology class. (submitted to Bahir Dar University, Department of Biology).

Publications:

  1.  Woldie, A. A., A. K. Chowdhary, M. Sekine, M. Kishi, M. Zegeye, N. Kurosawa, T. Toda (2024). Growth and biochemical composition of Limnospira fusiformis cultivated under simulated outdoor light intensity in photobioreactors. Biochemical Engineering Journal, 211: 109482. https://doi.org/10.1016/j.bej.2024.109482
  2.  Woldie, A. A., A. K. Chowdhary, M. Sekine, M. Kishi, M. Zegeye, N. Kurosawa, T. Toda (2024). Growth characteristics and molecular identification of indigenous Limnospira strains from Ethiopian soda lakes as a protein source. Biocatalysis and Agricultural Biotechnology, 60:103336. https://doi.org/10.1016/j.bcab.2024.103336
  3.  Mezgebu, A., X. Liu, A. Adugna, T. Toda, M. Mingiest, S. Ban (2024). Effects of microalgal food quality on Daphnia magna life history performance. Bulletin of Plankton Society of Japan, 71(2): 1–15.
  4.  Adugna, A., M. Kibret, B. Abera, E. Nibret, M. Adal (2015). Antibiogram of Escherichia coli serotypes isolated from children under five with acute diarrhea in Bahir Dar Town. African Health Sciences, 15(2): 656–664.

Selected conference presentations:

  1.  Woldie, A. A., A. K. Chowdhary, M. Sekine, M. Kishi, N. Kurosawa, T. Toda (2024). Exploring the predominant phytoplankton: Limnospira strains from Ethiopian soda lakes. Joint Meeting of the Plankton Society of Japan and the Japanese Association of Benthology 2024, Abstract: PO30 (Oral), p. 68, 13–16 September 2024.
  2. Mezgebu, A., X. Liu, M. Mingist, A. Adugna, T. Toda, S. Ban (2024). Effects of algal food quality on the life history traits of Eodiaptomus japonicus (Copepoda: Calanoida). 15th International Conference on Copepoda (15th ICOC), Abstract: 08-3 (Oral), 2–7 June 2024, Hiroshima University, Hiroshima, Japan.
  3.  Woldie, A. A., A. K. Chowdhary, M. Sekine, M. Kishi, N. Kurosawa, T. Toda (2024). Exploring fast-growing indigenous Limnospira fusiformis strains isolated from Ethiopian soda lakes. The 58th Annual Conference of the Japan Society on Water Environment, Abstract: 1-A-16-3 (Oral), March 2024, Kyushu University, Ito Campus, Japan
  4.  Hayashi, K., M. Sekine, T. Toda, S. Kojima, A. A. Woldie (2024). Growth characteristics of indigenous Ethiopian cyanobacteria Limnospira fusiformis under three different nitrogen sources. The 58th Annual Conference of the Japan Society on Water Environment, Abstract: P-L082 (Poster), March 2024, Kyushu University, Ito Campus, Japan.
  5. Woldie, A. A., A. K. Chowdhary, M. Sekine, M. Kishi, N. Kurosawa, T. Toda (2023). Fast-growing Ethiopian native Limnospira fusiformis isolated from soda lakes. 6th International Postgraduate Conference on Biotechnology (IPCB), Abstract: ST2-07 (Oral), 22–24 August 2023, National University of Singapore.
Address Injibara University, Injibara, Ethiopia

Phone +251918608814

E-mail: adugna1977@gmail.com / Ayirkm.adugna@inu.edu.et

ORCID. ID= https://orcid.org/0009-0001-0568-4822