Scientists found that a sea anemone can distinguish helpful bacteria from harmful bacteria without antibodies or immune memory cells

A simple sea anemone (a small plant with white, red, blue or purple flowers that are shaped like cups and have dark centres) can distinguish helpful bacteria from harmful invaders despite lacking antibodies or immune memory cells. This challenges long-held assumptions about how early animal life defends itself.

Raccontata datimesofindia.indiatimes.com