Retention of an endosymbiont for the production of a single molecule
Arkadiy I. Garber, Andrés Garcia de la Filia Molina, Isabelle Mifom Vea…·John P. McCutcheon
The paper identifies a mealybug with three endosymbionts, one contributing only two genes to produce a single essential nutrient, chorismate, highlighting extreme genome reduction in endosymbionts.