Actinobacteria
The actinomycètes ( Actinobacteria Lynn Margulis, 1974) are a group of Bactérie S Gram-positive. The majority of them are in the ground, and they include/understand some-a main actors of the Vie of the ground, playing there a big role in the decomposition of the organic matters, like the Cellulose and the Chitine. Humus formation off. Other Actinobacteria inhabit seedlings and animals, including has few Pathogen S, such ace Mycobacterium . --> It is the regrouping of the Bactérie S in the form of " arbre" who uses his Cyst S (fruits), here of the Endospore S, in order to resist an unfavourable nutritive medium (for example, presence of Myxomycète S in the medium).
Aerobics, goal has few, such ace Actinomyces israelii , edge grow under anaerobic conditions. Unlike the Firmicutes, the other hand group off Gram-positive bacteria, they cuts DNA with has high GC-content and nap Actinomycetes species produce external Spore S. -->
The principal kinds include/understand:
- Actinomyces
- Arthrobacter
- Corynebacterium
- Frankia
- Micrococcus
- Micromonospora
- Mycobacterium
- Nocardia
- Propionibacterium
- Streptomyces
1940 Selman Waksman discovered that the soil Bacteria He was studying made Actinomycin, has discovery which granted him has Nobel Prize. Since then hundreds off naturally occurring Antibiotics cuts been discovered in thesis terrestrial Microorganism S, especially from the genus Streptomyces . -->
References
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