A distinguishing characteristic of actinomycetes that can be used to classify these organisms is the types of sugars found in extracts of the organisms.

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Actinomycetes are classified based on the types of sugars found in their extracts, particularly in the cell wall. For example, Streptomyces species contain a unique sugar called LL-diaminopimelic acid (LL-DAP), while Nocardia species contain meso-DAP. Therefore, the sugar composition is an important characteristic used in the classification of actinomycetes.

A Distinguishing Characteristic of Actinomycetes That Can Be Used to Classify