PGPR Pseudomonas Strains Promising for the Development of Bioformulations for Plant Protection and Stimulation

Сиунова, Т. В.; Anokhina, Tatyana S.; Сизова, О. И.; Sokolov, S. L.; Сазонова, О. И.; Кочетков, В. В.; Boronin, A. M.; Patil, Sandeep; Chudhari, A.B.

doi:10.21519/0234-2758-2017-33-2-56-67

Cited by 11 publications

(5 citation statements)

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“…michiganensis VKM Ac-1403 and Pectobacterium wasabiae B15 (obtained as Erwinia carotovora B15) [ 20 ] were used as test cultures to study the antibacterial activity of the isolates. The P. chlororaphis strain BS1393, which produces a number of antibiotic-active compounds, was used as a control [ 21 ]. In the study of antibacterial activity, a 4-fold diluted LB medium supplied with 1.2 g L −1 of dextrose was used.…”

Section: Methodsmentioning

confidence: 99%

Characterization of Soil Bacteria with Potential to Degrade Benzoate and Antagonistic to Fungal and Bacterial Phytopathogens

et al. 2021

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The intensive development of agriculture leads to the depletion of land and a decrease in crop yields and in plant resistances to diseases. A large number of fertilizers and pesticides are currently used to solve these problems. Chemicals can enter the soil and penetrate into the groundwater and agricultural plants. Therefore, the primary task is to intensify agricultural production without causing additional damage to the environment. This problem can be partially solved using microorganisms with target properties. Microorganisms that combine several useful traits are especially valuable. The aim of this work was to search for new microbial strains, which are characterized by the ability to increase the bioavailability of nutrients, phytostimulation, the antifungal effect and the decomposition of some xenobiotics. A few isolated strains of the genera Bacillus and Pseudomonas were characterized by high activity against fungal phytopathogens. One of the bacterial strains identified as Priestiaaryabhattai on the basis of the 16S rRNA gene sequence was characterized by an unusual cellular morphology and development cycle, significantly different from all previously described bacteria of this genus. All isolated bacteria are capable of benzoate degradation as a sign of the ability to degrade aromatic compounds. Isolated strains were shown to be prospective agents in biotechnologies.

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Section: Methodsmentioning

confidence: 99%

Characterization of Soil Bacteria with Potential to Degrade Benzoate and Antagonistic to Fungal and Bacterial Phytopathogens

et al. 2021

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“…tritici, Fusarium graminearum and Pectobacterium wasabiae bacteria. The P. chlororaphis OV17 strain contains the naphthalene biodegradation plasmid, which provides it with the ability to utilize naphthalene and salicylate as the only source of carbon and energy [14].…”

Section: Bacterial Strainsmentioning

confidence: 99%

“…At present, microbiological preparations based on B. subtilis Extrasol, Fitosporin-M have been developed and are used in biologized agricultural technologies for the cultivation of agricultural plants [16]. The strains of rhizosphere bacteria of the genus Pseudomonas, promising for the creation of biological products intended to protect and stimulate plant growth, which combine phytostimulating properties, resistance to heavy metals, and have the ability to biodegrade organic pollutants, have been obtained [14,15]. The positive effect of bacteria of the genus Pseudomonas on plants is to stimulate plant growth through the synthesis of phytohormones, improve mineral nutrition, and suppress the development of phytopathogenic fungi and bacteria [14].…”

Section: Introductionmentioning

confidence: 99%

Effect of rhizosphere microorganisms on the adaptation of regenerated plants of apple clonal rootstocks to ex vitro conditions

et al. 2021

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In a vegetation experiment, the effect of bacterial preparations Extrasol, Fitosporin-M based on bacterial strains Bacillus subtilis and bacteria strains of the genus Pseudomonas – P. chlororaphis OV17, P. protegens 38a, P. putida О9-10 on the number of rhizosphere microorganisms, growth and development of regenerant plants of apple clone rootstocks in ex vitro conditions was studied. After 90 days of growing plants, the greatest number was found in the P. protegens 38a strain – 0.56 million CFU/g roots. Artificial inoculation of the roots of regenerant plants contributed to a significant increase in the total number of native microorganisms as compared to the control. The most diverse bacterial population in terms of cultural and morphological characteristics was revealed in the variant with the treatment of plants with the P. putida O9-10 strain. The introduced bacterial strains contributed to an increase in the adaptive capacity and had a phytostimulating effect on the development of plants. The plant survival rate in the process of adaptation to ex vitro conditions is most influenced by the P. putida 09-10 strain compared to the control. The bacterial preparation Fitosporin-M contributes to the improvement of biometric parameters of plant growth.

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“…The size of the growth inhibition zone was measured from the edge of the bacterial colony. P. chlororaphis strain BS1393, which produces a number of antibiotic active compounds, was used as control [16].…”

Section: Determination Of the Antagonistic Activity Of Soil Strains Amentioning

confidence: 99%

New Strains of Bacteria that Degrade Aromatic Compounds Act as Antagonists of Highly Active Phytopathogens

Anokhina

Есикова

Абашина

et al. 2020

The 1st International Electronic Conference on Microbiology

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The intensive development of agriculture leads to the depletion of land and a decrease in crop yields and in plant resistance to diseases. A large number of fertilizers and pesticides are currently used to solve these problems. Chemicals can enter the soil and penetrate into the groundwater and agricultural plants. Therefore, the primary task is to intensify agricultural production without causing additional damage to the environment. This problem can be partially solved using microorganisms with target properties. Microorganisms that combine several useful traits are especially valuable. The aim of this work was to search for new microbial strains that possess a complex, technologically significant potential, such as increasing the bioavailability of nutrients, phytostimulation, antifungal effect and degradation of pesticide residues and other xenobiotics. Few isolated Bacillus and Pseudomonas strains were characterized by high activity against fungal phytopathogens. One of the bacterial strains identified as Bacillus sp. on the basis of the 16S rRNA gene sequence was characterized by an unusual cellular morphology and development cycle, significantly different from all previously described bacteria of this genus. All isolated bacteria are capable of benzoate degradation, as a sign of the ability to degrade aromatic compounds. Isolated strains were shown to be perspective agents in biotechnologies.

show abstract

PGPR Pseudomonas Strains Promising for the Development of Bioformulations for Plant Protection and Stimulation

Cited by 11 publications

References 0 publications

Characterization of Soil Bacteria with Potential to Degrade Benzoate and Antagonistic to Fungal and Bacterial Phytopathogens

Characterization of Soil Bacteria with Potential to Degrade Benzoate and Antagonistic to Fungal and Bacterial Phytopathogens

Effect of rhizosphere microorganisms on the adaptation of regenerated plants of apple clonal rootstocks to ex vitro conditions

New Strains of Bacteria that Degrade Aromatic Compounds Act as Antagonists of Highly Active Phytopathogens

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