
1) Endosymbiotic event
Found on
https://www.crosswordclues.com/clue/wolbachia

Wolbachia is a genus of bacteria which infects arthropod species, including a high proportion of insects, as well as some nematodes. It is one of the world`s most common parasitic microbes and is possibly the most common reproductive parasite in the biosphere. Its interactions with its hosts are often complex, and in some cases have evolved to be....
Found on
http://en.wikipedia.org/wiki/Wolbachia

(wol-bak´e-ә) a genus of bacteria that infect a wide variety of invertebrates, including insects, spiders, crustaceans, and nematodes including the filariaOnchocerca; they are found in increased numbers in humans with onchocerciasis.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: wōl′băk-ēă Definitions: 1. Symbiotic bacteria in the gut of Wuchereria bancrofti, Onchocerca volvulus, and other filarial parasites, eradication of which leads to elimination of the parasitosis.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=100003
No exact match found.