L-form bacteria

Transmission electron micrograph of L-form Bacillus subtilis. The cells lack the electron-dense cell wall of normal bacteria. Scale bar is 500 nanometers.

L-form bacteria, also known as L-phase bacteria, L-phase variants or cell wall-deficient bacteria (CWDB), are growth forms derived from different bacteria. They lack cell walls.[1] Two types of L-forms are distinguished: unstable L-forms, spheroplasts that are capable of dividing, but can revert to the original morphology, and stable L-forms, L-forms that are unable to revert to the original bacteria.

  1. ^ Leaver M, Domínguez-Cuevas P, Coxhead JM, Daniel RA, Errington J (February 2009). "Life without a wall or division machine in Bacillus subtilis". Nature. 457 (7231): 849–53. Bibcode:2009Natur.457..849L. doi:10.1038/nature07742. PMID 19212404. S2CID 4413852.

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