Simultaneous P-solubilizing and biocontrol activity of microorganisms : Potentials and future trends

• Phosphate (P)-solubilizing microorganisms as a group form an important part of the microorganisms, which benefit plant growth and development. Growth promotion and increased uptake of phosphate are not the only mechanisms by which these microorganisms exert a positive effect on plants. Microbially mediated solubilization of insoluble phosphates through release of organic acids is often combined with production of other metabolites, which take part in biological control against soilborne phytopathogens. In vitro studies show the potential of P-solubilizing microorganisms for the simultaneous synthesis and release of pathogen-suppressing metabolites, mainly siderophores, phytohormones, and lytic enzymes. Further trends in this field are discussed, suggesting a number of biotechnological approaches through physiological and biochemical studies using various microorganisms.

Nyckelord

Biochemistry

Enzyme kinetics

Growth kinetics

Hormones

Metabolites

Microbiology

Organic acids

Phosphates

Plant cell culture

Soils

Biocontrol activity

P-solubilizing microorganisms

Phytohormones

Phytopathogens

Microorganisms

carboxylic acid

hydrolase

indoleacetic acid

phosphate

phosphate fertilizer

phytohormone

siderophore

biocontrol agent

biological control

biotechnology

enzyme

metabolite

microorganism

organic acid

pathogen

physiology

arthropod

Bacillus thuringiensis

bacterial strain

biological pest control

enzyme activity

fermentation

fungal spore germination

fungal strain

Fusarium

Fusarium oxysporum

Fusarium wilt

mycorrhiza

nonhuman

nutrient availability

nutrition

Penicillium

plant development

plant growth

plant root

plant yield

Proteus

Pseudomonas fluorescens

Rhizobium

short survey

solubilization

spore germination

symbiont

symbiosis

synthesis

tomato

Trichoderma

Trichoderma harzianum

Bacteria

Pest Control

Biological

Plants

Soil Microbiology

Solubility

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