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Multicellular pattern formation during growth of Salmonella in colonies of the rdar morphotype. S. enterica serovar Montevideo (SARB 30) cells were inoculated on T agar and incubated at room temperature for 90 h. Colony images were recorded every 30 min. Bars represent 5 mm. The entire sequence of 170 pictures can be viewed as a movie (www.med.ucalgary.ca/webs/bprg/Surette/Surette.html).
