Phytopathogenic bacteria contribute to a world-wide crop loss of roughly 12-15 % annually. Plant pathogenic bacteria impact innumerable and valuable agricultural crops,causing hundreds of millions of dollars in damage each year. Plant pathogenic bacteria lead to hunger disasters of great part of populations. Basic knowledge of the diseases of plants and their cause are therefore important for everyone handling foods. Pathogenic bacteria affecting plant health are a major and chronic threat to food production and ecosystem stability worldwide. These bacteria are highly specialized to...