Effect of adenosine and caffeine on the aggregate size of different species of Dictyostelium and Polysphondylium. In all the species examined, large aggregates were formed in the presence of adenosine and contrastingly, with caffeine many small aggregates were formed. The aggregates were developed as described in material and methods. Scale bar = 1000 μm.
Jaiswal et al. BMC Developmental Biology 2012 12:5 doi:10.1186/1471-213X-12-5