GMP Part 1: Fundamentals of Microbiology This article is an updated 2026 version of the popular 50-part Japanese series “Microorganisms, Too Embarrassed to Ask Others About!” (いまさら人には聞けない！微生物のお話), previously published on GMP Platform*. Over the next several installments, I will explore a wide range of topics related to microorganisms, from the fundamentals to more in-depth insights that are not widely known even among professionals in the field. Microorganisms: The Basics of Basics The Earth was born approximately 4.6 billion years ago, and primitive life is said to have appeared about 600 million years after the Earth's birth, that is, about 4 billion years ago. Early life...
