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Microbial Species
Explore Our Library of Beneficial Microbes
Unlock the potential of your soil with our carefully selected microbial strains, engineered to enhance nutrient availability, promote plant growth, and suppress harmful pathogens, ensuring healthier crops and improved yields.
Features of Our Species Directory
Diverse Catalog
Over 100 industrially important microbial strains, including nitrogen-fixers, phosphate solubilizers, biocontrol agents, probiotics, and more.
Mechanistic Details
In-depth explanation of how each microbe interacts with plants or the environment (enzyme production, hormone stimulation, pathogen antagonism, etc.).
Application Guidance
Recommendations for use-cases and industries – which crops, soil conditions, or contamination issues each strain is best suited for.
Research & Compliance
Key literature references and regulatory status (such as OMRI-listed for organic use) provided for each species, ensuring you trust its proven performance.
Regular Updates
Continuously updated with new strains and the latest scientific findings as our R&D expands the frontier of microbial technology.
Segments We Focus On
Nitrogen Fixing Bacteria
Nitrogen-fixing bacteria are naturally occurring microorganisms essential to the nitrogen cycle. They possess the unique capability to convert atmospheric nitrogen (N₂)—which is inert and unavailable directly to plants—into bioavailable nitrogen compounds such as ammonia (NH₃) or ammonium ions (NH₄⁺). This crucial biological process, termed biological nitrogen fixation, significantly enhances soil fertility, reduces dependency on synthetic fertilizers, and supports sustainable agriculture and environmental conservation.
At IndoGulf BioAg, we specialize in cultivating high-quality, non-GMO, robust strains of nitrogen-fixing bacteria tailored for diverse agricultural applications. Leveraging advanced biotechnological methods and rigorous quality control, our products consistently deliver superior performance, reliability, and sustainability.
Phosphorous Solubilizing Bacteria
Phosphorous Solubilizing Bacteria convert insoluble phosphates into soluble forms that plants can absorb, improving phosphorus availability and promoting stronger root development.
Potash Solubilizing Bacteria
Potash Solubilizing Bacteria convert insoluble potassium compounds in the soil into forms that plants can absorb, improving potassium availability and supporting plant metabolic processes.
Sulphur Solubilizing Bacteria
Sulphur Solubilizing Bacteria enhance the availability of sulfur in the soil by converting insoluble sulfur compounds into forms that plants can easily uptake, improving plant nutrition and growth.
Silica Solubilizing Bacteria
Silica Solubilizing Bacteria make silica available to various plants by converting insoluble forms into readily absorbable forms, which can significantly enhance plant strength, growth, and resistance to environmental stress.
Manganese Solubilizing Bacteria
Manganese Solubilizing Bacteria make manganese more available to plants by converting insoluble forms into absorbable forms, aiding in chlorophyll production and other vital functions.
Iron Solubilizing Bacteria
Iron Solubilizing Bacteria convert insoluble forms of iron into highly soluble forms that plants can easily absorb, thereby preventing iron deficiency and significantly promoting healthy plant development.
Biocontrol
Biocontrol is the use of beneficial natural organisms to control agricultural pests and diseases, such as root nematodes, powdery mildew, and whiteflies. By minimizing the reliance on chemical pesticides, biocontrol promotes sustainable farming practices, enhances soil health, and protects the environment.
Biofungicides
Biofungicides are effective biological agents that specifically control various fungal diseases in plants, significantly reducing the incidence of infections and promoting healthier, more resilient agricultural crops.
Larvicides
Larvicides are highly effective solutions for managing the larval stages of harmful pests in agriculture and public health. By targeting larvae directly, larvicides disrupt pest life cycles, reducing populations and minimizing damage to crops and the environment. These products offer a sustainable and precise alternative to broad-spectrum pesticides, especially when integrated with environmentally conscious farming practices.
Bionematicides
Bionematicides are innovative biological agents designed to control plant-parasitic nematodes (PPNs) in agricultural soils. These products work by targeting nematodes ( i.e root knot nematodes) directly or improving the resilience of crops against nematode attacks. By protecting plant roots, bionematicides help enhance crop health, boost yields, and promote sustainable farming practices.
Unlike traditional chemical nematicides, bionematicides are derived from naturally occurring microorganisms—such as nematophagous fungi and beneficial bacteria—or bioactive compounds from plants and microbes. These agents offer an eco-friendly, residue-free alternative, making them a vital part of modern integrated pest management (IPM) systems.
Unlike traditional chemical nematicides, bionematicides are derived from naturally occurring microorganisms—such as nematophagous fungi and beneficial bacteria—or bioactive compounds from plants and microbes. These agents offer an eco-friendly, residue-free alternative, making them a vital part of modern integrated pest management (IPM) systems.
Antifeedant
Antifeedants are natural or synthetic substances that deter pests from feeding on plants by making the plants unpalatable or toxic to them, thus effectively protecting crops from damage.
Post Harvest Treatment
Post Harvest Treatments involve biological or chemical methods applied to harvested crops to prevent spoilage, extend shelf life, and maintain quality during storage and transportation.
Denitrification
Denitrification is a complex microbial process that plays a central role in the nitrogen cycle, facilitating the transformation of nitrates (NO₃⁻) and nitrites (NO₂⁻) into gaseous forms such as nitrogen gas (N₂), nitric oxide (NO), and nitrous oxide (N₂O). This reduction process is carried out predominantly by facultative anaerobic bacteria under oxygen-limited (anoxic) conditions.
The pathway involves multiple enzymatic steps mediated by specialized enzymes, each catalyzing a specific reduction reaction:
Nitrate reductase (Nar or Nap): Reduces nitrate (NO₃⁻) to nitrite (NO₂⁻).
Nitrite reductase (Nir): Converts nitrite to nitric oxide (NO).
Nitric oxide reductase (Nor): Reduces NO to nitrous oxide (N₂O).
Nitrous oxide reductase (Nos): Converts N₂O to dinitrogen gas (N₂), completing the process.
The pathway involves multiple enzymatic steps mediated by specialized enzymes, each catalyzing a specific reduction reaction:
Nitrate reductase (Nar or Nap): Reduces nitrate (NO₃⁻) to nitrite (NO₂⁻).
Nitrite reductase (Nir): Converts nitrite to nitric oxide (NO).
Nitric oxide reductase (Nor): Reduces NO to nitrous oxide (N₂O).
Nitrous oxide reductase (Nos): Converts N₂O to dinitrogen gas (N₂), completing the process.
Bio Compost Degrading
Bio Compost Degrading microorganisms accelerate the decomposition of organic matter in compost, enhancing the production of nutrient-rich compost for use in soil improvement and plant growth.
Plant Growth Promoters
Plant Growth Promoters products, often containing beneficial microorganisms or natural compounds, promote overall plant health and development, enhancing growth rates and crop yields.
Probiotics
We provide diverse bacterial and yeast probiotic strains sourced from natural habitats. Available in individual forms or ready-to-fill blends, our probiotics range from 5 billion to 200 billion CFU/g, supporting gut health for humans and animals.
Bioremediation
Bioremediation is an eco-friendly process that uses microorganisms to break down or neutralise pollutants in soil, water, and air. By harnessing the natural metabolic processes of bacteria, fungi, and other microbes, bioremediation helps clean up contaminants such as oil spills, heavy metals, and industrial waste, making it an effective solution for environmental restoration.
Arbuscular Mycorrhizal Fungi
Arbuscular mycorrhizal fungi (AMF) establish mutualistic associations with the roots of approximately 80% of terrestrial plant species. Through an extensive extraradical hyphal network, AMF significantly expand the absorptive surface area of root systems, facilitating enhanced uptake of essential nutrients—particularly phosphorus, nitrogen, and micronutrients—beyond the depletion zones of roots. In addition to nutrient acquisition, AMF play a key role in improving plant tolerance to abiotic stresses such as drought, salinity, and heavy metal toxicity by modulating physiological responses and maintaining water balance.
At the ecosystem level, AMF contribute to soil aggregation and long-term fertility by secreting glomalin and stabilizing soil particles. This symbiosis forms a foundational component of belowground biodiversity and function, offering a biologically-driven pathway to improved plant performance and soil resilience in both natural and managed systems.
At the ecosystem level, AMF contribute to soil aggregation and long-term fertility by secreting glomalin and stabilizing soil particles. This symbiosis forms a foundational component of belowground biodiversity and function, offering a biologically-driven pathway to improved plant performance and soil resilience in both natural and managed systems.
Balance Your Soil with Beneficial Microbes
Unlock the potential of your soil with our carefully selected microbial strains, engineered to enhance nutrient availability, promote plant growth, and suppress harmful pathogens. Our proprietary formulations ensure healthier crops and improved yields across diverse agricultural settings.
Soil Nutrient Solubilizers
Nitrogen Cyclers
Plant Growth Promoters & Biocontrol Agents
Fungal Activators & Biocontrol
FAQ
FAQ
What are microbial strains used for?
Microbial strains are applied as biofertilizers, biopesticides, and soil conditioners. They enhance nutrient cycling, suppress pathogens, and stimulate plant growth by producing hormones and solubilizing minerals.
How do microbial strains help in agriculture?
By fixing atmospheric nitrogen, solubilizing phosphorus and iron, decomposing organic waste, and out-competing soil pathogens, microbial strains improve nutrient availability, crop health, and yield stability.
Are microbial strains safe for organic farming?
Yes. All our microbial products are approved for organic agriculture. They are naturally derived, non-toxic, and free of synthetic chemicals, aligning with sustainable and eco-friendly farming practices.
What are examples of microbial strains?
Common examples include Azospirillum brasilense (nitrogen fixer), Bacillus amyloliquefaciens (plant growth promoter), and Ampelomyces quisqualis (biocontrol of powdery mildew).
Nitrogen Cyclers
Alcaligenes denitrificans
Performs denitrification, reducing nitrates (NO₃⁻) to nitrogen gas (N₂) in anoxic zones. Ideal for mitigating nitrate pollution in runoff and wastewater.
Azospirillum brasilense & Azospirillum lipoferum
Nitrogen-fixing bacteria that colonize cereal roots to improve nutrient uptake, root development, and yields by up to 29% under optimized conditions.
Azotobacter vinelandii
A free-living diazotroph that enhances soil nitrogen levels for non-legumes, reducing dependence on synthetic fertilizers.
Plant Growth Promoters & Biocontrol Agents
Bacillus amyloliquefaciens
Produces auxins and lytic enzymes to stimulate growth and suppress soil-borne pathogens. Safe for non-targets.
Bacillus circulans
Solubilizes phosphorus and synthesizes indoleacetic acid for improved root growth and stress tolerance.
Bacillus firmus
Enhances phosphorus availability, stimulates fruit quality, and provides barrier protection against nematodes.
Soil Nutrient Solubilizers
Acidithiobacillus ferrooxidans
A biofertilizer that solubilizes iron, making it available in iron-deficient soils and boosting chlorophyll synthesis.
Acidithiobacillus novellus
Oxidizes sulfur, improving sulfur availability and correcting deficiencies to increase yield and plant health.
Acidithiobacillus thiooxidans
Converts elemental sulfur and sulfide minerals into sulfate. Its acidophilic nature also aids in bioremediation of acid mine drainage and heavy-metal neutralization.
Fungal Activators & Biocontrol
Ampelomyces quisqualis
A mycoparasitic fungus targeting powdery mildew. It infects pathogen reproductive structures, reducing disease spread without chemical fungicides.
Aspergillus awamori, A. niger & A. oryzae
Produce a suite of enzymes (cellulases, amylases, proteases) to accelerate composting, improve soil organic matter breakdown, and support bioremediation of pollutants.
Our Products
Lecanicillium lecanii
Effective against greenhouse whitefly by penetrating their cuticle, disabling or killing them.
Lysinibacillus sphaericus
Lysinibacillus sphaericus, bacterium targeting mosquito larvae and other insect pests like gold-fringed moths and rice stem borers. Safe for non-target species and rapidly degrades in the environment.
Metarhizium anisopliae
Metarhizium anisopliae is a globally distributed entomopathogenic fungus that parasitizes over 200 insect species by adhering to and penetrating their cuticle using specialized appressoria and cuticle-degrading enzymes.
Its safety profile includes minimal vertebrate toxicity and limited non-target impacts when used at label rates, making it a key component of integrated pest management.
Its safety profile includes minimal vertebrate toxicity and limited non-target impacts when used at label rates, making it a key component of integrated pest management.
Neem Extracts from Azadirachta Indica Tree
Neem extracts from Azadirachta indica contain Azadirachtin, toxic to pests, acting as antifeedant, repellent, and sterilizer. Organic gardeners use it for pest control.
Nitrobacter alcalicus
Nitrobacter alkalicus is a chemolithoautotrophic bacterium specializing in the oxidation of nitrite (NO₂⁻) to nitrate (NO₃⁻), a key step in the nitrogen cycle. This species is particularly adapted to thrive in alkaline environments, such as high-pH soils and wastewater systems, where it contributes to nitrogen transformation and nutrient availability for plants.
Its activity supports soil fertility by enhancing nitrate levels, which are readily absorbed by crops. Additionally, N. alkalicus plays a significant role in wastewater treatment processes, helping to manage nitrogen levels and prevent harmful nitrite accumulation. Its resilience in high-pH conditions makes it essential for sustainable agricultural practices and environmental management.
Its activity supports soil fertility by enhancing nitrate levels, which are readily absorbed by crops. Additionally, N. alkalicus plays a significant role in wastewater treatment processes, helping to manage nitrogen levels and prevent harmful nitrite accumulation. Its resilience in high-pH conditions makes it essential for sustainable agricultural practices and environmental management.
Nitrobacter sp.
Nitrobacter sp. are chemolithoautotrophic bacteria that play a critical role in the nitrogen cycle by oxidizing nitrite (NO₂⁻) into nitrate (NO₃⁻), a form readily available to plants as a nutrient. This process is vital for maintaining soil fertility and supporting agricultural productivity.
In wastewater treatment, Nitrobacter species are integral to nitrification processes, preventing the accumulation of toxic nitrite and reducing nitrogen pollution. Their adaptability to diverse environmental conditions, including soil, freshwater, and wastewater systems, makes them indispensable in sustainable nitrogen management and ecological balance. These bacteria are widely utilized in bioreactors and bioaugmentation efforts for efficient nitrogen cycling.
In wastewater treatment, Nitrobacter species are integral to nitrification processes, preventing the accumulation of toxic nitrite and reducing nitrogen pollution. Their adaptability to diverse environmental conditions, including soil, freshwater, and wastewater systems, makes them indispensable in sustainable nitrogen management and ecological balance. These bacteria are widely utilized in bioreactors and bioaugmentation efforts for efficient nitrogen cycling.
Nitrobacter winogradski
Nitrobacter winogradskyi is a chemolithoautotrophic bacterium central to the nitrogen cycle, converting nitrite (NO₂⁻) into nitrate (NO₃⁻). This transformation is critical for soil fertility, as nitrate is a primary nutrient for plant growth. Its activity supports sustainable agriculture by enhancing nitrogen availability in the soil.
In environmental management, N. winogradskyi is essential in wastewater treatment processes, where it prevents toxic nitrite accumulation, ensuring efficient nitrogen removal. Its adaptability to various ecosystems, including soils and aquatic environments, underscores its role in maintaining ecological balance and promoting sustainable nitrogen management. This bacterium is also widely used in bioaugmentation and bioreactor systems to optimize nitrification.
In environmental management, N. winogradskyi is essential in wastewater treatment processes, where it prevents toxic nitrite accumulation, ensuring efficient nitrogen removal. Its adaptability to various ecosystems, including soils and aquatic environments, underscores its role in maintaining ecological balance and promoting sustainable nitrogen management. This bacterium is also widely used in bioaugmentation and bioreactor systems to optimize nitrification.
Nitrococcus mobilis
Nitrococcus mobilis is a chemolithoautotrophic bacterium primarily found in marine environments, where it plays a crucial role in the nitrogen cycle. This organism oxidizes nitrite (NO₂⁻) into nitrate (NO₃⁻), facilitating nitrogen transformation in oceanic ecosystems and supporting the productivity of aquatic life.
Its role in maintaining nitrogen balance makes N. mobilis a key player in nutrient cycling, particularly in coastal and deep-sea environments. Additionally, its metabolic versatility and ability to thrive in saline conditions highlight its importance in sustaining marine ecosystems and contributing to global nitrogen dynamics.
Its role in maintaining nitrogen balance makes N. mobilis a key player in nutrient cycling, particularly in coastal and deep-sea environments. Additionally, its metabolic versatility and ability to thrive in saline conditions highlight its importance in sustaining marine ecosystems and contributing to global nitrogen dynamics.
Nitrosomonas europaea
Nitrosomonas europaea is a chemolithoautotrophic bacterium that plays a vital role in the nitrogen cycle by oxidizing ammonia (NH₃) into nitrite (NO₂⁻), a key step in nitrification. This process is essential for converting ammonia into forms that plants can utilize, supporting soil fertility and agricultural productivity.
In wastewater treatment, N. europaea is integral to removing ammonia, preventing toxic buildup, and ensuring efficient nitrogen removal. Its adaptability to diverse environments, including soils, freshwater, and wastewater systems, makes it a valuable organism for sustainable nitrogen management and environmental remediation. Its role in mitigating ammonia pollution also supports ecosystem health and biodiversity.
In wastewater treatment, N. europaea is integral to removing ammonia, preventing toxic buildup, and ensuring efficient nitrogen removal. Its adaptability to diverse environments, including soils, freshwater, and wastewater systems, makes it a valuable organism for sustainable nitrogen management and environmental remediation. Its role in mitigating ammonia pollution also supports ecosystem health and biodiversity.
Nomuraea rileyi
Nomuraea Rileyi is a beneficial fungus used as a biological pest control agent targeting lepidopteran insects. It results in an outbreak in the insect host population.
Paecilomyces lilacinus
Paecilomyces Lilacinus is a versatile biological agent employed as both a nematicide and seed treatment. It effectively targets and controls parasitic nematodes in agriculture.
Paenibacillus azotofixans
Paenibacillus azotofixans: Utilized in agricultural practices to promote plant growth by fixing atmospheric nitrogen, thus improving soil fertility, especially in various crop fields.
Paracoccus denitrificans
Paracoccus denitrificans is a beneficial bacterium known for its nitrate-reducing properties, specifically its ability to convert nitrate to nitrogen gas.
Pediococcus pentosaceus
Pediococcus pentosaceus is a Gram-positive lactic acid bacterium widely recognized for its dual role as a probiotic and as a biofungicide in agriculture. It produces lactic acid and a suite of antimicrobial peptides known as pediocins, which inhibit a broad spectrum of plant pathogens. Beyond pathogen suppression, it promotes plant growth through nutrient solubilization and induction of systemic resistance.
Penicillium citrinum
Penicillium Citrinum, a beneficial fungus, solubilizes soil manganese, recommended for deficient soils. It also accelerates soil organic matter decomposition, increasing manganese availability.
Pochonia chlamydosporia
Pochonia Chlamydosporia is a beneficial fungus effective against parasitic nematodes. It colonizes nematode eggs, preventing their development, offering sustainable pest control solutions.
Pseudomonas citronellolis
Azospirillum brasilense, a plant growth-promoting bacterium, significantly enhances root development and nutrient uptake in crops such as wheat, maize, and rice. This leads to improved plant growth, higher nutrient efficiency, and increased yields, making it a valuable tool for sustainable agriculture."
Supporting References:
Azospirillum has been shown to improve root development and nutrient uptake, enhancing crop yields under various conditions (Okon & Itzigsohn, 1995).
Inoculation with Azospirillum brasilense increases mineral uptake and biomass in crops like maize and sorghum (Lin et al., 1983).
Studies have documented up to 29% increased grain production when maize was inoculated with Azospirillum brasilense, particularly when combined with nutrient applications (Ferreira et al., 2013).
Enhanced growth and nutrient efficiency in crops such as lettuce and maize have also been reported, supporting its role in sustainable agriculture (da Silva Oliveira et al., 2023) (Marques et al., 2020).
Supporting References:
Azospirillum has been shown to improve root development and nutrient uptake, enhancing crop yields under various conditions (Okon & Itzigsohn, 1995).
Inoculation with Azospirillum brasilense increases mineral uptake and biomass in crops like maize and sorghum (Lin et al., 1983).
Studies have documented up to 29% increased grain production when maize was inoculated with Azospirillum brasilense, particularly when combined with nutrient applications (Ferreira et al., 2013).
Enhanced growth and nutrient efficiency in crops such as lettuce and maize have also been reported, supporting its role in sustainable agriculture (da Silva Oliveira et al., 2023) (Marques et al., 2020).
Pseudomonas fluorescens
Pseudomonas fluorescens suppresses soil-borne pathogens, produces antibiotics and siderophores, enhances nutrient availability, improves root growth and disease resistance.
For personalized advice on the best strains for your needs, contact our technical team for expert support.
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