Gram-negative bacteria
Chryseobacterium is a genus of Gram-negative bacteria. "Chryseobacterium" species are chemoorganotrophic, rod shape gram-negative bacteria. "Chryseobacterium" form typical yellow-orange color colonies due to flexirubin-type pigment. The genus contains more than 100 described species from diverse habitats, including freshwater sources, soil, marine fish, and human hosts.