abstract:Buchnera aphidicola a member of the Proteobacteria, is the primary endosymbiont of aphids, and has been studied in the pea aphid, Acyrthosiphon pisum. Buchnera is believed to have had a free-living, Gram-negative ancestor similar to a modern Enterobacteriaceae, such as Escherichia coli.
The effectof symbiont on growthandreproduction of the black bean aphid, Aphis craccivora KochObtaining aposymbiotic aphids is key to study the relationship between the aphidandBuchnera.