''Leadbetterella'' is a

Gram-negative Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall ...

and strictly aerobic bacterial genus from the family of Spirsomaceae, with one known species ('' Leadbetterella byssophila'').

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Further reading