What are marine actinomycetes?
Marine actinomycetes are efficient producers of new secondary metabolites that show a range of biological activities including antibacterial, antifungal, anticancer, insecticidal and enzyme inhibition.
What are the main features of actinomycetes colonies?
Actinomycetes form colonies that are leathery and many produce pigments and they have earthy smell. If you look under the microscope you will easily see the spores and you will easily recognize the corkscreww shape of streptomyces.
Do actinomycetes only produce bioactive compounds?
Actinomycetes are virtually unlimited sources of novel compounds with many therapeutic applications and hold a prominent position due to their diversity and proven ability to produce novel bioactive compounds.
What is the difference between actinomycetes and Streptomyces?
Actinomyces are anaerobic, while Nocardia and Streptomyces are aerobic. Nocardia stain partially acid-fast, Actinomyces and Streptomyces are not acid-fast. Actinomyces and Streptomyces produce granules.
What are bioactive compounds in food?
A type of chemical found in small amounts in plants and certain foods (such as fruits, vegetables, nuts, oils, and whole grains). Bioactive compounds have actions in the body that may promote good health. They are being studied in the prevention of cancer, heart disease, and other diseases.
Where is actinomycetes found?
Actinomycetes are found in many habitats, such as freshwater, sea- water, cold- and warm-blooded animals, and composts. The soil, however, is their most important habitat. Viable counts of several millions per gram are common, and over 20 genera have been isolated from soil (Table 45-1).
Is Actinomyces a bacteria or fungi?
Actinomycetes are a group of aerobic and anaerobic bacteria in the order Actinomycetales. These organisms are phylogenetically diverse but morphologically similar, exhibiting characteristic filamentous branching structures which then fragment into bacillary or coccoid forms (1) (Figure 1).
What are bioactive compounds in fruits?
Fruits are abundant in different bioactive compounds including phytochemicals (phenolic acids, flavonoids, carotenoids, tannins, lignans and stilbenes), vitamins (provitamin A, C, E and K), minerals (potassium, calcium and magnesium) and dietary fibres which play a critical role in human health by alleviating several …