Canadian Medical Guide > Organisms > Bacteria > Gram-Negative Bacteria > Gram-Negative Facultatively Anaerobic Rods > Enterobacteriaceae > Photorhabdus Terms and Definitions

Photorhabdus

Medical Definition:	A genus of gram-negative bacteria existing symbiotically with nematodes of the family Heterorhabditidae (see RHABDITOIDEA). These nematodes infect a variety of soil-dwelling insects. Upon entering an insect host, the nematode releases Photorhabdus from its intestinal tract and the bacterium establishes a lethal septicemia in the insect.
Also Called:	Photorhabdus luminescens
Previously Indexed:	Enterobacteriaceae (1994-1999)

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