Abstract
Xanthomonas citri subsp. citri (X. citri) is the causal agent of citrus canker, a disease that affects all commercial varieties of citrus and that has a great impact on the world's orange production. Whilst the genome of X. citri has been available for 20 years and this bacterium is being studied to the point of becoming a prokaryotic model, very little is known about its mechanisms of ce…