siderophore biosynthetic process pyochelin biosynthetic process The chemical reactions and pathways resulting in the formation of the siderochrome pyochelin (2-(2-o-hydroxyphenyl-2-thiazolin-4-yl)-3-methylthiazolidine-4-carboxylic acid). pyochelin biosynthetic process, peptide modification pyochelin biosynthetic process, peptide formation biological_process pyochelin formation pyochelin biosynthesis pyochelin anabolism pyochelin synthesis GO:0042864 GO:0031187 GO:0031188 sulfur compound biosynthetic process phenol-containing compound biosynthetic process carboxylic acid biosynthetic process