What are Actinobacteria in Microbiology?

Learn Actinobacteria definition in microbiology with explanation to study “What are Actinobacteria”. Study actinobacteria explanation with microbiology terms to review microbiology course for online degree programs.

Actinobacteria Definition

  • A group of Gram-positive bacteria containing the actinomycetes and their high G + C relatives.

    Prescott's Microbiology 9th Edition by Joanne Willey, Linda Sherwood, Christopher J. Woolverton



Actinobacteria Explanation

Actinobacteria are Gram-positive bacteria whose DNA has have high cytosine and guanine content. They can be aquatic or terrestrial. Although, they have single-celled like bacteria, they lack a distinct cell wall; however, they produce mycelium that is slender and non-septate. They represent one of the most diverse and largest phyla among bacteria.

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