The importance of being infected: without its bacteria the Hawaiian bobtail squid would be a different animal.

From: Discover | Date: May 1, 1997| Author: | Copyright information

The luminous bacteria that live inside the Hawaiian bobtail squid provide light that disguises the squid from nocturnal predators. The bacteria play a role in the development of the squid's light organ and in the loss of its bacteria-collecting arms.

Billions of bacteria live in our intestines, Supplying us with essential vitamins and helping us digest food. Recent research suggests that in some animals, and perhaps in humans as well, such bacterial guests may play an even more fundamental role: they may influence the normal development of some internal organs.

Margaret ...

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