Streptomyces – mycolab.ai

Streptomyces antarcticus sp. nov., isolated from Horseshoe Island, Antarctica

mycolabadmin

Scientists discovered a new type of bacteria called Streptomyces antarcticus in Antarctic soil that can survive extreme cold and produce valuable compounds. This bacterium can make antibiotics, cancer-fighting molecules, and other useful substances, making it potentially useful for medicine and industry. The bacteria also has genes to break down pharmaceutical pollutants and adapt to harsh conditions, suggesting applications in cleaning up contaminated environments.

Biodiversity and biological applications of marine actinomycetes—Abu-Qir Bay, Mediterranean Sea, Egypt

mycolabadmin

Researchers isolated bacteria called actinomycetes from the Mediterranean Sea in Egypt that naturally produce colorful pigments. They found that one specific bacterium (Streptomyces tunisiensis) produces a green pigment with promising anti-inflammatory properties similar to common pain relievers. By optimizing the growth conditions, the scientists increased pigment production by over 12 times, suggesting potential applications in medicine and industry.

Evaluation of Streptomyces sporoverrucosus B-1662 for biological control of red pepper anthracnose and apple bitter rot diseases in Korea

mycolabadmin

This research evaluated a naturally occurring bacterium called Streptomyces sporoverrucosus B-1662 as a biological alternative to chemical fungicides for controlling fungal diseases on red peppers and apples. Laboratory and field tests demonstrated that this bacterium can reduce disease symptoms by over 90%, making it a promising option for organic farmers seeking to protect their crops without synthetic chemicals. The study identified the specific compound responsible for the bacterium’s effectiveness and provided detailed information about its genetic makeup.

Physiological Insights into Enhanced Epsilon-Poly-l-Lysine Production Induced by Extract Supplement from Heterogeneous Streptomyces Strain

mycolabadmin

Researchers discovered that exposing bacteria that produce epsilon-poly-l-lysine (a natural antimicrobial compound) to extracts from another closely related bacterium dramatically increases production by 2.6-fold. Using advanced analysis techniques, they found that this boost occurs because the extract triggers the bacteria to activate defense mechanisms, rerouting its metabolism to produce more of this antimicrobial compound. This finding could significantly reduce the cost of producing this useful natural preservative for foods and medicines, making it more commercially viable.

Isolation of Actinobacteria from Date Palm Rhizosphere with Enzymatic, Antimicrobial, Antioxidant, and Protein Denaturation Inhibitory Activities

mycolabadmin

Researchers isolated bacteria called actinobacteria from soil around date palm roots in Algeria’s Sahara Desert. One promising strain, Streptomyces sp. SGI16, was found to produce multiple enzymes and compounds with strong antimicrobial and antioxidant properties. These findings suggest desert microorganisms could be valuable sources for developing new medicines and agricultural products.

Control effects and mechanisms of metabolites from Streptomyces ahygroscopicus var. gongzhulingensis strain 769 on sclerotinia rot in sunflowers

mycolabadmin

Scientists discovered that a beneficial soil bacterium called Streptomyces can effectively control sunflower rot disease caused by a harmful fungus. When applied to soil or roots, this bacterium reduced disease severity by over 50% and improved plant root health and seed quality. The treatment works by both directly killing the pathogenic fungus and strengthening the plant’s natural defense systems.

Actinomycetes isolated from rhizosphere of wild Coffea arabica L. showed strong biocontrol activities against coffee wilt disease

mycolabadmin

Researchers discovered that certain bacteria called actinomycetes, particularly a strain called MUA26, can effectively fight coffee wilt disease, a serious fungal infection that damages coffee plants. These beneficial bacteria produce natural compounds that kill the disease-causing fungus and were tested on coffee seedlings in a greenhouse, showing 83% effectiveness at preventing the disease. This discovery offers coffee farmers an organic alternative to chemical pesticides, which are expensive and harmful to the environment.

Antioxidant and Enzyme Inhibitory Potential of Streptomyces sp. G-18 Grown in Various Media

mycolabadmin

Researchers studied bacteria called Streptomyces that were isolated from high mountains in Nepal to see if they could produce useful compounds. They grew these bacteria in four different types of growth media and tested the resulting extracts for antioxidant properties and ability to block harmful enzymes. They found that the choice of growth medium significantly affected what compounds the bacteria produced, with one medium (R2YE) being especially effective at producing compounds that could help treat diseases like Alzheimer’s and diabetes.

Streptomyces-Based Bioformulation to Control Wilt of Morchella sextelata Caused by Pestalotiopsis trachicarpicola

mycolabadmin

Researchers discovered two beneficial bacteria called Streptomyces that can protect morel mushrooms from a harmful fungus causing wilt disease. When applied to morel cultivation fields, these bacteria not only prevented disease but also increased mushroom yields by about 30% compared to untreated fields. This natural biocontrol approach offers farmers an eco-friendly alternative to chemical treatments while boosting their harvests.

Antifungal and other bioactive properties of the volatilome of Streptomyces scabiei

mycolabadmin

This research discovered that the bacterium Streptomyces scabiei, which causes common scab disease on potatoes and other root crops, produces a variety of natural chemical compounds that can kill harmful fungi and promote plant growth. Scientists identified 36 different volatile chemicals released by this bacterium, including some previously unknown for their antifungal abilities. These findings suggest that despite being a plant pathogen, this bacterium may actually help protect crops from more dangerous diseases, offering potential for developing natural alternatives to synthetic pesticides.

Research Keyword: Streptomyces