Investigating the formulation of alginate- gelatin encapsulated Pseudomonas fluorescens (VUPF5 and T17-4 strains) for controlling Fusarium solani on potato

Pour, Mojde Moradi; Riseh, Roohallah Saberi; Mohammadinejad, Reza; Hosseini, Ahmad

doi:10.1016/j.ijbiomac.2019.04.071

Cited by 98 publications

(51 citation statements)

References 39 publications

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“…The microbial fertilizer P. fluorescens Ms-01 was encapsulated with halloysite and alginate or montmorillonite and alginate formulations (Kadmiri et al, 2020). Both formulations were able to preserve bacterial survival after 3 months storage at room temperature or 4 • C. Encapsulation of microorganisms in a semipermeable membrane separates and protects the cells from the surrounding environment (Pour et al, 2019). This method protects biological control agents from abiotic stresses allowing proliferation in the environment and effective deployment against plant pathogens.…”

Section: Alginate Encapsulationmentioning

confidence: 99%

“…Alginate is a common material for encapsulation because it is biodegradable, non-toxic, and easy to handle ( Power et al, 2011 ). Several P. fluorescens strains have been encapsulated with alginate formulations to study the impact on storage survival and pathogen control ( Pour et al, 2019 ; Kadmiri et al, 2020 ). P. fluorescens strains VUPF5 and T17-4 were encapsulated with an alginate-gelatin formulation which improved shelf life and control of dry rot induced by Fusarium solani under greenhouse conditions ( Pour et al, 2019 ).…”

Section: Desiccation Stressmentioning

confidence: 99%

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Leveraging Pseudomonas Stress Response Mechanisms for Industrial Applications

2021

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Members of the genus Pseudomonas are metabolically versatile and capable of adapting to a wide variety of environments. Stress physiology of Pseudomonas strains has been extensively studied because of their biotechnological potential in agriculture as well as their medical importance with regards to pathogenicity and antibiotic resistance. This versatility and scientific relevance led to a substantial amount of information regarding the stress response of a diverse set of species such as Pseudomonas chlororaphis, P. fluorescens, P. putida, P. aeruginosa, and P. syringae. In this review, environmental and industrial stressors including desiccation, heat, and cold stress, are cataloged along with their corresponding mechanisms of survival in Pseudomonas. Mechanisms of survival are grouped by the type of inducing stress with a focus on adaptations such as synthesis of protective substances, biofilm formation, entering a non-culturable state, enlisting chaperones, transcription and translation regulation, and altering membrane composition. The strategies Pseudomonas strains utilize for survival can be leveraged during the development of beneficial strains to increase viability and product efficacy.

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Section: Alginate Encapsulationmentioning

confidence: 99%

Section: Desiccation Stressmentioning

confidence: 99%

Leveraging Pseudomonas Stress Response Mechanisms for Industrial Applications

2021

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“…Gelatin (GE) is a by-product of denatured and partially hydrolyzed collagen, which is extensively used in tissue engineering and therapeutic delivery [234,235]. Also, GE has bioactive materials such as arginine-glycine-aspartic acid, which gives GE a cell attachment property and makes GE valuable as a biomaterial [28,[236][237][238][239][240][241].…”

Section: Gelatin (Ge)mentioning

confidence: 99%

Multifunctional Polymeric Nanoplatforms for Brain Diseases Diagnosis, Therapy and Theranostics

et al. 2020

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The blood–brain barrier (BBB) acts as a barrier to prevent the central nervous system (CNS) from damage by substances that originate from the blood circulation. The BBB limits drug penetration into the brain and is one of the major clinical obstacles to the treatment of CNS diseases. Nanotechnology-based delivery systems have been tested for overcoming this barrier and releasing related drugs into the brain matrix. In this review, nanoparticles (NPs) from simple to developed delivery systems are discussed for the delivery of a drug to the brain. This review particularly focuses on polymeric nanomaterials that have been used for CNS treatment. Polymeric NPs such as polylactide (PLA), poly (D, L-lactide-co-glycolide) (PLGA), poly (ε-caprolactone) (PCL), poly (alkyl cyanoacrylate) (PACA), human serum albumin (HSA), gelatin, and chitosan are discussed in detail.

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“…After centrifugation, the capsule beads were washed using 100 ml of sterile physiological saline (0.9%) and stored at 4°C. The same process was used for encapsulation of the bacterial metabolite, which was used instead of bacteria in the abovementioned protocol of bacterial metabolism [14].…”

Section: Preparation Of Nanocapsulesmentioning

confidence: 99%

“…Today, nanotechnology plays a significant role in electronics, agriculture, medicine, energy, etc. [12][13][14]. The use of nanotechnology in agriculture, especially biotechnology and tissue culture, is very important and useful.…”

Section: Introductionmentioning

confidence: 99%

Nano-Encapsulation of Plant Growth-Promoting Rhizobacteria and Their Metabolites Using Alginate-Silica Nanoparticles and Carbon Nanotube Improves UCB1 Pistachio Micropropagation

Pour¹,

Riseh²,

Mohammadinejad³

et al. 2019

Journal of Microbiology and Biotechnology

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UCB-1 is the commercial rootstock of pistachio. Reproduction of this rootstock by tissue culture is limited by low levels of proliferation rate. Therefore, any compound that improves the proliferation rate and the quality of the shoots can be used in the process of commercial reproduction of this rootstock. Use of plant growth-promoting bacteria is one of the best ideas. Given the beneficial effects of nanoparticles in enhancement of the growth in plant tissue cultures, the aim of the present study was to investigate the effects of nanoencapsulation of plant growth-promoting rhizobacteria (using silica nanoparticles and carbon nanotubes) and their metabolites in improving UCB1 pistachio micropropagation. The experiment was conducted in a completely randomized design with three replications. Before planting, treatments on the DKW medium were added. The results showed that the use of Pseudomonas fluorescens VUPF5 and Bacillus subtilis VRU1 nanocapsules significantly enhanced the root length and proliferation. The nanoformulation of the VUPF5 metabolite led to the highest root length (6.26 cm) and the largest shoot (3.34 cm). Inoculation of explants with the formulation of the metabolites (both bacterial strains) significantly elevated the average shoot length and the fresh weight of plant compared to the control. The explants were dried completely using both bacterial strains directly and with capsule coating after the three days.

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Investigating the formulation of alginate- gelatin encapsulated Pseudomonas fluorescens (VUPF5 and T17-4 strains) for controlling Fusarium solani on potato

Cited by 98 publications

References 39 publications

Leveraging Pseudomonas Stress Response Mechanisms for Industrial Applications

Leveraging Pseudomonas Stress Response Mechanisms for Industrial Applications

Multifunctional Polymeric Nanoplatforms for Brain Diseases Diagnosis, Therapy and Theranostics

Nano-Encapsulation of Plant Growth-Promoting Rhizobacteria and Their Metabolites Using Alginate-Silica Nanoparticles and Carbon Nanotube Improves UCB1 Pistachio Micropropagation

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