Characterization of N2-fixing plant growth promoting endophytic and epiphytic bacterial community of Indian cultivated and wild rice (Oryza spp.) genotypes

Banik, Avishek; Mukhopadhaya, Subhra Kanti; Dangar, Tushar Kanti

doi:10.1007/s00425-015-2444-8

Cited by 92 publications

(41 citation statements)

References 37 publications

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“…In this case, QS was proved to regulate, by means of acyl-homoserine lactone (AHL) diffusible signal molecule (identified as N-3-oxooctanoyl-L-homoserine lactone (OOHL)), such life functions of bacteria as forming of cell aggregates, called symplasmata, and interrelations between bacterium and host, including the colonization of plant tissues and promotion of rice growth [9]. The potential beneficial effects of P. agglomerans on rice growth has been confirmed recently by Banik et al [135], who identified the presence of 2 Pantoea spp. strains among 11 diazotrophic bacterial isolates from rice plants in India, which possessed the nifH (nitrogen fixation) gene and promoted the growth of rice seedlings.…”

Section: Growth Promotion Of Cultivable Plantsmentioning

confidence: 98%

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<i>Pantoea agglomerans</i>: a mysterious bacterium of evil and good. Part IV. Beneficial effects

Dutkiewicz¹,

Maćkiewicz²,

Lemieszek

et al. 2016

Ann Agric Environ Med.

127

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Pantoea agglomerans, a gammaproteobacterium of plant origin, possesses many beneficial traits that could be used for the prevention and/or treatment of human and animal diseases, combating plant pathogens, promotion of plant growth and bioremediation of the environment. It produces a number of antibiotics (herbicolin, pantocins, microcin, agglomerins, andrimid, phenazine, among others) which could be used for combating plant, animal and human pathogens or for food preservation. Japanese researchers have demonstrated that the low-molecular-mass lipopolysaccharide of P. agglomerans isolated by them and described as 'Immunopotentiator from Pantoea agglomerans 1 (IP-PA1)' reveals the extremely wide spectrum of healing properties, mainly due to its ability for the maintenance of homeostasis by macrophage activation. IP-PA1 was proved to be effective in the prevention and treatment of a broad range of human and animal disorders, such as tumours, hyperlipidaemia, diabetes, ulcer, various infectious diseases, atopic allergy and stress-induced immunosuppression; it also showed a strong analgesic effect. It is important that most of these effects could be achieved by the safe oral administration of IP-PA1. Taking into account that P. agglomerans occurs commonly as a symbiont of many species of insects, including mosquitoes transmitting the Plasmodium parasites causing malaria, successful attempts were made to apply the strategy of paratransgenesis, in which bacterial symbionts are genetically engineered to express and secrete anti-Plasmodium effector proteins. This strategy shows prospects for a successful eradication of malaria, a deadly disease killing annually over one million people, as well as of other vector-borne diseases of humans, animals and plants. Pantoea agglomerans has been identified as an antagonist of many plant pathogens belonging to bacteria and fungi, as a result of antibiotic production, competition mechanisms or induction of plant resistance. Its use as a biocontrol agent permits the decrease of pesticide doses, being a healthy and environmental-friendly procedure. The application of the preparations of this bacterium efficiently protects the stored pome, stone and citrus fruits against invasion of moulds. P. agglomerans strains associated with both rhizosphere and plant tissues (as endophytes) efficiently promote the growth of many plants, including rice and wheat, which are the staple food for the majority of mankind. The promotion mechanisms are diverse and include fixation of atmospheric nitrogen, production of phytohormones, as well as degradation of phytate and phosphate solubilizing which makes the soil phosphorus available for plants. Accordingly, P. agglomerans is regarded as an ideal candidate for an environmental-friendly bioinoculant replacing chemical fertilizers. It has been documented that the Pantoea strains show biodegradation activity on various chemical pollutants of soil and water, including petroleum hydrocarbons and toxic metals. P. agglomerans prevents the penetration of harmful...

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Section: Growth Promotion Of Cultivable Plantsmentioning

confidence: 98%

“…strains among 11 diazotrophic bacterial isolates from rice plants in India, which possessed the nifH (nitrogen fixation) gene and promoted the growth of rice seedlings. All these findings are very significant because rice is the staple food of 50% of world's population and 80% the population of Asia [135].…”

Section: Growth Promotion Of Cultivable Plantsmentioning

confidence: 99%

<i>Pantoea agglomerans</i>: a mysterious bacterium of evil and good. Part IV. Beneficial effects

Dutkiewicz¹,

Maćkiewicz²,

Lemieszek

et al. 2016

Ann Agric Environ Med.

127

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“…Others Azospirillum spp. have been described to produce siderophores (Banik et al, 2016;Sahoo et al, 2014).…”

Section: Promising Bacterial Genera For Agricultural Practicesmentioning

confidence: 99%

“…For this reason, this genus has been received an increased attention. Banik et al (2016) used new Azospirillum strains for improvement of rice production. Inoculation studies with Azospirillum spp.…”

Section: Promising Bacterial Genera For Agricultural Practicesmentioning

confidence: 99%

Promising bacterial genera for agricultural practices: An insight on plant growth-promoting properties and microbial safety aspects

Ferreira

Soares

2019

Science of The Total Environment

156

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In order to address the ever-increasing problem of the world's population food needs, the optimization of farming crops yield, the combat of iron deficiency in plants (chlorosis) and the elimination/reduction of crop pathogens are of key challenges to solve. Traditional ways of solving these problems are either unpractical on a large scale (e.g. use of manure) or are not environmental friendly (e.g. application of iron-synthetic fertilizers or indiscriminate use of pesticides). Therefore, the search for greener substitutes, such as the application of siderophores of bacterial source or the use of plant-growth promoting bacteria (PGPB), is presented as a very promising alternative to enhance yield of crops and performance. However, the use of microorganisms is not a risk-free solution and the potential biohazards associated with the utilization of bacteria in agriculture should be considered. The present work gives a current overview of the main mechanisms associated with the use of bacteria in the promotion of plant growth. The potentiality of several bacterial genera (Azotobacter, Azospirillum, Bacillus, Pantoea, Pseudomonas and Rhizobium) regarding to siderophore production capacity and other plant growth-promoting properties are presented. In addition, the field performance of these bacteria genera as well as the biosafety aspects related with their use for agricultural proposes are reviewed and discussed.

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“…This pathogen is controlled using benzimidazoleand phenylpyridylamine-based fungicides sprayed directly on the seed pieces in the planting groove (Tokeshi & Rago, 2005). However, synthetic products can be replaced by biocontrol agents (Banik et al, 2016;Raza et al, 2016). Bacillus spp.…”

Section: Introductionmentioning

confidence: 99%

Commercial formulations of Bacillus spp. for sugarcane pineapple disease control and growth promotion

Brandi

Heck

Ferreira

et al. 2018

Pesq. agropec. bras.

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The objective of this work was to evaluate the commercial formulations of Bacillus subtilis QST-713 and Bacillus pumilus QST-2808 on mycelial growth inhibition of Thielaviopsis paradoxa, for the control of the pineapple disease and growth promotion in sugarcane. The inhibition of mycelial growth was evaluated in paired culture tests. Bacillus isolates were transferred to Petri dishes 48 hours before the pathogen, and the zone of inhibition was determined. The direct effect of the autoclaved commercial formulations at 0, 0.001, 0.01, 0.1, 1.0, and 10.0% on the inhibition of pathogen mycelial growth was evaluated. Bacillus spp. potential in controlling the disease and promoting plant growth was evaluated in assays on plant development and disease severity, both under controlled conditions and in the field. Bacillus isolates inhibited pathogen mycelial growth; however, the isolates did not control the disease effectively in the growth chamber and in the field. In the field assay without infestation by the pathogen, all treatments with biocontrol agents and fungicide increased the yield of cane stalks and sugar per hectare, compared with the control. In the assay with infestation by the pathogen, the B. pumilus-based product (2.0 L ha-1) and fungicide differed from the control only for the variable number of tillers.

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Characterization of N2-fixing plant growth promoting endophytic and epiphytic bacterial community of Indian cultivated and wild rice (Oryza spp.) genotypes

Cited by 92 publications

References 37 publications

<i>Pantoea agglomerans</i>: a mysterious bacterium of evil and good. Part IV. Beneficial effects

<i>Pantoea agglomerans</i>: a mysterious bacterium of evil and good. Part IV. Beneficial effects

Promising bacterial genera for agricultural practices: An insight on plant growth-promoting properties and microbial safety aspects

Commercial formulations of Bacillus spp. for sugarcane pineapple disease control and growth promotion

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