1887

Abstract

Relatedness among soft-rot-producing organisms of the genus Waldee was assessed by means of interspecific deoxyribonucleic acid reassoci-ation followed by chromatography on hydroxyapatite. Relatedness was also determined between pectobacteria and representatives from all other established genera of the family . The results indicate five distinct groups of pectobacteria: (i) (Jones) Waldee, including (Townsend) Holland, . (van Hall) Jennison, . (Harrison) Holland, and Harrison; (ii) . (Lightle et al.) comb, nov.; (iii) cornstalk-rot bacterium and . (Burkholder et al.) comb. nov. (including . McFadden, . Chester, and . f. sp. (iv) . (Hori) comb, nov.; and (v) . (Millard) Patel and Kulkarni. Relatedness between groups of pectobacteria is 20 to 50% except between the . group and strains of . , which exhibit 60 to 70% relatedness. With few exceptions, the pectobacteria are 20 to 50% related to other members of the family . The data presented support the inclusion of pectobacteria in the family .

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1973-07-01
2022-01-28
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