Pectobacterium (genus)

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Pectobacterium carotovorum causing bacterial soft rot on onion (click on image to enlarge it)
Author(s): Howard F. Schwartz, Colorado State University
Source: IPM Images

Pectobacterium Waldee, 1945

Bacteria of the genus Pectobacterium are widespread and infect potatoes as well as other hosts. Like the species of the genus Dickeya they are closely related to the genus Erwinia. However they differ from Erwinia species by producing pectolytic enzymes which break down cell walls and cause soft rot decay in plants.

Identification of species and distinction between Pectobacterium and Dickeya species has been previously based on serological, biochemical and host range tests. Today, the analysis of the DNA structure is the most common identification method, see Czajkowski et al., 2015.

The type species is Pectobacterium carotovorum.

The following species are currently entered under Pectobacterium (genus):