Is actinobacteria harmful to humans?

Is actinobacteria harmful to humans?

Exposure to high concentrations of actinobacteria can cause allergic alveolitis. Other respiratory disorders have been reported, too and although the measured concentrations are low, the indoor exposure is always a mixture of many different agents, which may have synergistic effects.

What does actinobacteria do in humans?

They are also the source of many antibiotics. The "Actinobacteria" genus Bifidobacterium is the most common bacterium in the microbiome of human infants. Although adults have fewer bifidobacteria, intestinal bifidobacteria help maintain the mucosal barrier and reduce lipopolysaccharide in the intestine.

What diseases are caused by actinobacteria?

Actinobacteria also cause a range of other diseases in humans, including diphtheria (Corynebacterium diphtheria), Whipple's disease (Tropheryma whipplei), and bacterial vaginosis (Gardnerella).

What are the benefits of actinobacteria?

Actinobacteria include some of the most common soil, freshwater, and marine type, playing an important role in decomposition of organic materials, such as cellulose and chitin, thereby playing a vital part in organic matter turnover and carbon cycle, replenishing the supply of nutrients in the soil, and is an important ...

What makes actinobacteria morphologically distinct from other bacteria?

Actinobacteria is a phylum of gram-positive bacteria with high G+C content. Among gram-positive bacteria, actinobacteria exhibit the richest morphological differentiation, which is based on a filamentous degree of organization like filamentous fungi.

How many species of actinobacteria are there?

Both the Nocardia and Rhodococcus genera belong to the family Nocardiaceae, which is a suborder of the “aerobic actinomycetes.” Nocardia species are ubiquitous soilborne aerobic actinomycetes, with more than 80 different species identified, of which at least 33 are pathogenic (104).

Is the Actinobacteria a good or bad thing?

• Actinobacteria: The good, the bad, and the ugly. The actinobacteria are arguably the richest source of small molecule diversity on the planet. These compounds have an incredible variety of chemical structures and biological activities (in nature and in the laboratory).

Why are Actinobacteria so important to the ecosystem?

• The Actinobacteria are a phylum of Gram-positive bacteria. They can be terrestrial or aquatic. They are of great economic importance to humans because agriculture and forests depend on their contributions to soil systems. In soil they help to decompose the organic matter of dead organisms so the molecules can be taken up anew by plants.

What is the phylum of the Actinobacteria?

• The phylum Actinobacteria is a primary eubacterial phylogenetic clade containing diverse grampositive bacteria (Sun et al., 2010) that belong to several classes such as the Acidimicrobiia, Actinobacteria, and Thermoleophila.

Which is the most researched organism in Actinomycetales?

• Of those Actinobacteria not in the Actinomycetales, Gardnerella is one of the most researched. Classification of Gardnerella is controversial, and MeSH catalogues it as both a Gram-positive and Gram-negative organism.