Bacteria, Algae and Fungi as Found in the Jaina Literature

J.C. Sikdar’s essay ‘Bacteria, Algae and Fungi as Found in the Jaina Literature’ is an interdisciplinary exploration of how ancient Jain texts conceptualised microscopic life. Sikdar begins by explaining the Jain classification of living beings according to the number of senses and notes that categories of one‑sensed beings correspond to earth‑bodies, water‑bodies, fire‑bodies, air‑bodies and plant‑bodies. He notes that what modern science calls bacteria correspond to Jain descriptions of invisible beings inhabiting soil, water and the bodies of plants. He cites passages from the Jaina Agamas that mention minute organisms living deep in soil, with enormous numbers per unit volume, prefiguring scientific observations about microbial abundance. The texts also describe that these organisms thrive in the top layers of soil and play roles in decay and fertility. Sikdar explores references to algae and fungi, which Jain texts sometimes group under plant‑bodies, and compares these descriptions with modern biological understanding. He emphasises that Jain authors, while working within a religious framework, made acute observations about the ubiquity of microscopic life and integrated these into moral teachings. Jain ethics of non‑violence extend to invisible organisms; thus practices such as filtering water and avoiding earth‑digging are prescribed to minimise harm. Sikdar concludes that Jain literature presents a sophisticated early understanding of microbiology within a religious framework, integrating empirical observations with an ethic of non‑harm.

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