Serratia (genus)

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Serratia marcescens symptoms on watermelon (click on image to enlarge it)
Author(s): Edward Sikora, Auburn University
Source: IPM Images

Serratia Bizio, 1823 - (plant pathogens)

This genus includes more than 10 species of Gram-negative, facultatively anaerobic bacteria. They are rod-shaped, about 0.5-0.8 x 0.9-2.0 µm large, motile with peritrichous flagella. The species are widely distributed in the environment. Some are pathogenic for humans or beneficial entomopathogens and antagonists. Some strains are also pathogenic to plants.

Colonies are opaque, white, pink, magenta, or red and slightly iridescent. The genus is mainly characterized by the nutritional profile of the members and their DNA structure.

Type species: Serratia marcescens.

This page refers to plant pathogens only, for other groups see:

Currently, the following species have been entered into the system: