**4. Conclusion**

Actinobacteria through its unique capabilities have gained importance in the field of agriculture, pharmaceuticals, industry, nanotechnology, and many more. *Streptomyces* is the most common genera among them. They possess several PGP traits such as biofertilizers, phosphorus and potassium solubilization, production of siderophores, antibiotics, phytohormones, and biological nitrogen fixation. Furthermore, nanotechnology research being the most rapidly developing fields is using actinobacterial biosynthesis of nanoparticles which is both environmentfriendly and cost-effective, and the nanoparticles which are produced as a result show potential biological properties such as antibacterial activities, antifungal activities, anticancer properties, anti-biofouling properties. The combination of synthesizing methodologies with biological processes has resulted in the development of nanoparticles which are used in a number of *in vitro* diagnostic methods. Apart from this, toxic heavy metals like chromium, zinc, lead, and copper and pesticides can be sustainably removed using this microbe. The degradation of pesticides whose accumulation otherwise causes biomagnification is possible with the help of this microbe. Actinobacterial genera have also proven versatile to bring about the degradation of xenobiotic pollutants in the nutrient starvation conditions in the soil and their capability of using these toxic compounds as their nutrient source, mainly a source of carbon is something that speeds up the process of degradation. Cocktail of microbes of this genus is effective in causing faster degradation. Hence, this microbe is quite adaptive for maintaining the environment eco-friendly.

#### **Conflict of interest**

None to declare.

### **List of abbreviations**


### *Actinobacteria - Diversity, Applications and Medical Aspects*

