Image: Courtesy of Ryan Kerney
**__Related stories:__*** linkurl:Astute algae, conned corals;http://www.the-scientist.com/blog/display/55554/
[31st March 2009]*linkurl:Evolutionary Teamwork;http://www.the-scientist.com/2004/5/10/33/1/
[10th May 2004]
**__Related F1000 Evaluations:__** *linkurl:A secondary symbiosis in progress?;http://f1000.com/1028724?key=86h2q03896ftmnq
N. Okamoto and I. Inouye, Science, 310(5746):287, 2005. Evaluated by Debashish Bhattacharya (Univ of Iowa) and William Martin (Univ of Dusseldorf). *linkurl:50 million years of genomic stasis in endosymbiotic bacteria;http://f1000.com/1008145?key=v9k0m3mnjrhm4tn
I. Tamas et al., Science, 296(5577):2376-9, 2002. Evaluated by David Stern (Princeton Univ), Christoph Dehio (Univ of Basel), and Tamar Barkay (Rutgers Univ).