Bacillus Polymyxa Manufacturer & Exporter | Phosphorous Solubilizing Bacteria | Microbial Species

Bacillus polymyxa

Bacillus polymyxa improves phosphorus availability by solubilizing phosphate, promotes plant growth through nitrogen fixation and hormone production, and aids bioremediation by breaking down organic pollutants—enhancing soil health for sustainable agriculture.

Strength

1 x 10⁸ CFU per gram / 1 x 10⁹ CFU per gram / 1 x 10¹⁰ CFU per gram

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Benefits

Phosphorus Solubilization: Increases the bioavailability of phosphorus in the soil, promoting better nutrient uptake and plant growth.

Root Development: Stimulates robust root formation, leading to stronger plants and improved drought resistance.

Soil Health Restoration: Breaks down organic pollutants, contributing to soil bioremediation and improved soil fertility.

Sustainable Agriculture: Environmentally safe, enhancing crop productivity without chemical inputs, supporting eco-friendly farming.

Scientific References

Key Scientific Resources

Mode of Action

Bacillus polymyxa (also known as Paenibacillus polymyxa) exhibits several modes of action, primarily through its production of antimicrobial substances and enzymes. Here's a breakdown of its known mechanisms:

Evidence

Antimicrobial Compound ProductionB. polymyxa produces a broad-spectrum antimicrobial compound that is effective against yeasts, fungi, Gram-positive, and Gram-negative bacteria. This compound is different from polymyxins and is highly stable to heat and enzymatic degradation (Rosado & Seldin, 1993).
Polymyxin Antibiotic ProductionIt synthesizes polymyxin antibiotics (especially polymyxin B and M), which are effective against Gram-negative bacteria by disrupting bacterial membranes. The biosynthesis is regulated through a membrane-bound multienzyme complex (Vasantha et al., 1980), (Balakrishnan et al., 1980).
Enzyme SecretionThe organism produces various enzymes like proteases, amylases, and dehydrogenases, which contribute to antimicrobial activity and nutrient cycling. Amylase from B. polymyxa degrades starch and dextrins effectively (Robyt & French, 1964).
Regulation of Sporulation and Antibiotic SynthesisPolymyxins regulate B. polymyxa’s transition from vegetative growth to sporulation, showing that its antibiotics also serve as internal signals (Nefelova et al., 1980).
Biofertilizer and Biocontrol FunctionsB. polymyxa also acts as a plant growth-promoting rhizobacterium by producing antibiotics like fusaricidin, nitrogen fixation, and phosphate solubilization, suppressing plant pathogens (Padda et al., 2017).

Bacillus polymyxa exerts its effects through antimicrobial compound production, enzyme secretion, antibiotic biosynthesis, and plant growth-promotion, making it a valuable organism in medicine, agriculture, and biotechnology.

Additional Info

Recommended Crops: Cereals, Millets, Pulses, Oilseeds, Fibre Crops, Sugar Crops, Forage Crops, Plantation crops, Vegetables, Fruits, Spices, Flowers, Medicinal crops, Aromatic Crops, Orchards, and Ornamentals.

Compatibility: Compatible with Bio Pesticides, Bio Fertilizers, and Plant growth hormones but not with chemical fertilizers and chemical pesticides.

Shelf Life: Stable within 1 year from the date of manufacturing.

Packing: We offer tailor-made packaging as per customers' requirements.

Dosage & Application

Seed Coating/Seed Treatment: 1 kg of seeds will be coated with a slurry mixture of 10 g of Bacillus polymyxa and 10 g of crude sugar in sufficient water. The coated seeds will then be dried in shade and sow or broadcast in the field.

Seedling Treatment: Dip the seedlings into the mixture of 100 grams of Bacillus polymyxa and sufficient amount of water.

Soil Treatment: Mix 3-5 kg per acre of Bacillus polymyxa with organic manure/organic fertilizers. Incorporate the mixture and spread into the field at the time of planting/sowing.

Irrigation: Mix 3 kg per acre of Bacillus polymyxa in a sufficient amount of water and run into the drip lines.

FAQ

What is Bacillus polymyxa?

Bacillus polymyxa, now more commonly known as Paenibacillus polymyxa, is a soil-dwelling, spore-forming bacterium known for producing antibiotics, promoting plant growth, and acting as a natural biocontrol agent.

How does B. polymyxa fight harmful microbes?

It produces antimicrobial substances including polymyxins and other heat-stable compounds that can inhibit the growth of bacteria, fungi, and yeasts (Rosado & Seldin, 1993).

What are polymyxins and how do they work?

Polymyxins are antibiotics produced by B. polymyxa that target Gram-negative bacteria by disrupting their cell membranes, leading to cell death (Vasantha et al., 1980).

Does B. polymyxa have agricultural benefits?

Yes, it is used as a biofertilizer and biocontrol agent. It promotes plant growth by fixing nitrogen, solubilizing phosphate, and producing phytohormones and antifungal compounds like fusaricidin (Padda et al., 2017).

Can B. polymyxa produce enzymes?

Yes, it produces enzymes such as amylases and proteases that can break down complex carbohydrates and proteins. These enzymes are useful in industrial applications and soil nutrient cycling (Robyt & French, 1964).

How is antibiotic production linked to sporulation?

Polymyxin production and spore formation are interconnected. The presence of polymyxins can regulate when the bacterium forms spores, indicating a dual role in defense and development (Nefelova et al., 1980).

Where is B. polymyxa commonly found?

It is found in diverse environments including soil, plant roots, and marine sediments. Its ability to adapt and colonize various habitats contributes to its usefulness in ecological and agricultural applications.