The impact of microbes in the orchestration of plants’ resistance to biotic stress: a disease management approach

Enebe, Matthew Chekwube; Babalola, Olubukola Oluranti

doi:10.1007/s00253-018-9433-3

Cited by 128 publications

(72 citation statements)

References 140 publications

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“…The response to biotic stress can activate systemic acquired resistance (SAR) gene expression due to pathogen attack, or the interaction with beneficial microorganisms can activate the immunity system of the plant (induced systemic resistance (ISR)) [ 67 ]. The pathogen attacks cause biotic stress to plants, which results in the production of various reactive oxygen containing species (oxygen, hydroxyl radicals, hydrogen peroxide, superoxide molecules; ROS) and nitric oxide (NO), which are the most active in the alkaline pH, which results in the rise of cytosolic calcium ion concentration and closure of stomata [ 68 , 69 ].…”

Section: Phenolic Acids In Plantsmentioning

confidence: 99%

Advances and Prospects of Phenolic Acids Production, Biorefinery and Analysis

et al. 2020

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Biotechnological production of phenolic acids is attracting increased interest due to their superior antioxidant activity, as well as other antimicrobial, dietary, and health benefits. As secondary metabolites, primarily found in plants and fungi, they are effective free radical scavengers due to the phenolic group available in their structure. Therefore, phenolic acids are widely utilised by pharmaceutical, food, cosmetic, and chemical industries. A demand for phenolic acids is mostly satisfied by utilising chemically synthesised compounds, with only a low quantity obtained from natural sources. As an alternative to chemical synthesis, environmentally friendly bio-based technologies are necessary for development in large-scale production. One of the most promising sustainable technologies is the utilisation of microbial cell factories for biosynthesis of phenolic acids. In this paper, we perform a systematic comparison of the best known natural sources of phenolic acids. The advances and prospects in the development of microbial cell factories for biosynthesis of these bioactive compounds are discussed in more detail. A special consideration is given to the modern production methods and analytics of phenolic acids.

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Section: Phenolic Acids In Plantsmentioning

confidence: 99%

Advances and Prospects of Phenolic Acids Production, Biorefinery and Analysis

et al. 2020

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“…Research on the development of the disease cycle, epidemiology, host resistance and biological control are fundamental in order to develop new eco-friendly alternatives for managing crop diseases. (Enebe & Babalola, 2019; Sánchez-Martín & Keller, 2019). In this scenario, V. dahliae is a particularly challenging pathogen, due to its wide host range and its capacity of developing microsclerotia that assures it stability in soils as active inoculum for long periods(Wheeler & Johnson, 2016).…”

Section: Discussionmentioning

confidence: 99%

Development of an innovative in vitro method for mass production of Verticillium dahliae microsclerotia

Sayago

Juncosa

et al. 2019

Preprint

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13The soil-borne fungal plant pathogen Verticillium dahliae can infect more than 300 plant 14 species including important economic crops, causing great economic loses. V. dahliae 15 can persist and survive more than 14 years in the soil by resistance structures, known as 16 microsclerotia, which constitute the primary inoculum in the field. In vitro mass 17 production of microsclerotia is essential for performing many pathological assays. 18Nevertheless to harvest the microsclerotia is not an easy task and several protocols have 19 been described although none of them is completely satisfying for different reasons. here 20 we present a new protocol that is reproducible, robust, simple and fast allows to overcome 21 the difficulties for obtaining massive amounts of microsclerotia. In summary, we 22 developed a new culture medium that we called Pluronic Potato Medium (PPM) because 23 it is essentially potato dextrose media with the hydrogel, Pluronic F127 as a solidifying 24 agent. The microsclerotia collected in form PPM were infectious in tomato plants were 25 2 they were able to reproduce the disease and we recovered and quantitated V. dahliae in 26 infected plants. 27Keywords Verticillum dahliae, microsclerotia, inoculum, mass production, pluronic 28 29 This difficulty was absolutely overcomed by using a thermoreversible hydrogel as 175 Pluronic F-127 as a solidifying agent in PPM medium. 176 Poloxamer or Pluronics hydrogels are triblock copolymers (nonionic, polyoxyethylene-177 polyoxypropylene-polyoxyethylene (PEO-PPO-PEO)) that have multiple pharmaceutical 178 applications (Bohorquez et al., 1999). A widely explored member of this family is 179 Pluronic F127, which has 1200 kDa PPO units and 70% PEO content (Wang et al., 2019).180The most striking feature of this hydrogel is that, due to its composition, it shows 181 transformations as a function of temperature changes. This characteristic of 182 thermoreversible gel is useful in concentrations higher than or equal to 20%. Cold 183 temperatures cause the gel to go from solid to liquid state, while remaining solid at room 184 temperature (Akash & Rehman, 2015). These characteristics of appropriate hydrophilic / 185 lipophilic balance, high molecular weight, thermos-reversibility and lower mechanical 186 strength allow for a high extraction capacity in aqueous phase (Lv et al. 2007) by TIPS 187 (Qiu et al., 2008). Hydrogels such as Pluronic F127 have been used mainly as detergents, 188 stabilizers, foaming agents and emulsifiers in the field of biomedicine, in tissue 189 engineering and pharmacology (Bercea et al., 2011; Gwon et al., 2018; Wu et al., 2018). 190 Recently, they have been used in studies of interactions between plant parasitic nematodes 191 and plants (Li et al., 2019). 192 The main advantages of a massive production of V. dalihae MS using the PPM media and 193 the methodology here described are the short time elapsed from inoculating the mycelium 194 to the moment of collecting the MS, the minimal physical space needed for producing 195 MS an...

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“…Moreover, induced systemic resistance (ISR), potentiated by numerous strains of nonpathogenic microorganisms such as plant growth-promoting rhizobacteria (PGPR), is another route to boost the broad-spectrum immunity in plants [93,99,100]. Many studies have shown the efficacy of PGPR to induce ISR such as in tomato to defend Phelipanche aegyptiaca [101] and Pseudomonas syringae [102]; cotton against Macrophomina phaseolina (Tassi) [71]; tobacco to resist Tobacco mosaic virus [103]; mung bean to protect against Macrophomina phaseolina [104]; rice against Xanthomonas campestris [105]; and tomato to defend Ralstonia solanacearum [106].…”

Section: Biotic and Abiotic Stresses Induced Host Defensementioning

confidence: 99%

Faba Bean Gall (Olpidium viciae K.) as a Priority Biosecurity Threat for Producing Faba Bean in Ethiopia: Current Status and Future Perspectives

Meresa

Gebremedhin

2020

International Journal of Agronomy

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The diploid cool-season legume species, faba bean (Vicia faba L.), is one of the vital pulses for the people in the world as it maintains the sustainability of agriculture and provides nutrient-rich grains. Biotic and abiotic stresses are, however, challenging the faba bean production in many countries. The foliar diseases of faba bean are among the major constraints for the production and productivity of faba bean. Recently, a new foliar disease “Faba bean gall” caused by plant debris and soil-borne pathogen (Olpidium viciae K.) is rapidly spreading and causing high yield losses in Ethiopia. This review paper presents the distribution, impact, epidemiology, and biology of faba bean gall pathogen and principally illustrates how the application and investigation of the various diseases’ management approaches such as avoiding crop residues, crop rotation, intercropping, use of elicitors to induce host resistance, use of resistant genotypes, bioagents, compost teas, plant extracts, and lastly use of chemical fungicides could be important to control the faba bean gall disease underlying in faba bean.

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The impact of microbes in the orchestration of plants’ resistance to biotic stress: a disease management approach

Cited by 128 publications

References 140 publications

Advances and Prospects of Phenolic Acids Production, Biorefinery and Analysis

Advances and Prospects of Phenolic Acids Production, Biorefinery and Analysis

Development of an innovative in vitro method for mass production of Verticillium dahliae microsclerotia

Faba Bean Gall (Olpidium viciae K.) as a Priority Biosecurity Threat for Producing Faba Bean in Ethiopia: Current Status and Future Perspectives

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