About Us

Microbe Notes is an educational niche blog/website related to microbiology (bacteriology, virology, parasitology, mycology, immunology, molecular biology, biochemistry, etc.) and different branches of biology with an aim to provide study notes to undergraduate and graduate students. This website is also useful for A-level biology, AP biology, IB biology, and other university-level biology and microbiology courses (B.Sc, M.Sc., M.Phil., and Ph.D.).

Our Address: Kathmandu, Nepal

Our Email: microbenotes(at)gmail(dot)com

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About Sagar Aryal (Founder of Microbe Notes)

Sagar Aryal Infobox

Sagar Aryal (Nepali: सागर अर्याल) is a microbiologist and a scientific blogger. He is the founder of an educational website, Microbe Notes. He has published more than 15 research articles and book chapters in international journals and well-renowned publishers.


Sagar Aryal was born in Palpa and raised in Kathmandu, Nepal. He did his schooling at Kathmandu Don Bosco School and higher education from Himalayan White House International College.

Education and Career

Sagar Aryal attended St. Xavier’s College, Maitighar, Kathmandu, Nepal to complete his Master of Science in Microbiology. He co-founded Kathmandu Research Institute for Biological Sciences (KRIBS) in 2017 to focus on the research and development of tools and techniques with an aim to enable the study of biological sciences. He is the Research Head of the Department of Natural Products, Kathmandu Research Institute for Biological Sciences (KRIBS). Aryal worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal from Feb 2015 to June 2019. After teaching microbiology for more than four years, he joined the Central Department of Microbiology, Tribhuvan University to pursue his Ph.D. in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. He is interested in research related to actinobacteria, myxobacteria, and natural products. Aryal started his blogging career from Microbiology Info and later continued with Microbe Notes, The Biology Notes, The Chemistry Notes, and A-Level Biology Notes. He has traveled to more than 10 countries (Canada, United Kingdom, Germany, Austria, Switzerland, Luxembourg, Slovakia, Czech Republic, China, and India) to present his research work.

Selected Research Paper and Book Chapter Publications

  • Isolation, Characterization, and Screening of Antimicrobial-Producing Actinomycetes from Soil Samples.
  • Microbial diversity in freshwater and marine environment.
  • Characterization and activity of antimicrobial polypeptide of Bacillus spp from wastelands of Kathmandu valley.
  • Wildlife Diplomacy and Gifting in the Hindu Kush-Himalaya Region: A Chronological History and Opinion of Nepalese Literates.
  • Novel Streptomyces Sp. Reported in 2018: A Meta-Analysis.
  • Review on Newly Identified Coronavirus and its Genomic Organization.

All Publications

New Paper Article Publications

Awards and Recognitions