Alleviation of drought stress in mung bean by strain Pseudomonas aeruginosa GGRJ21

Sarma, Rupak K.; Saikia, Ratul

doi:10.1007/s11104-013-1981-9

Cited by 247 publications

(140 citation statements)

References 61 publications

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“…PGPR used in the study significantly stimulated the CAT activity in cabbage plants under drought stress. The PGPR treatments increased SOD content in bean under water deficit conditions (Sarma and Saikia, 2014). Kohler et al (2008) pointed out that PGPR inoculation improved CAT accumulation and resulted in drought stress amelioration in lettuce.…”

Section: Discussionmentioning

confidence: 97%

Amelioration of Drought Stress Adverse Effect and Mediating Biochemical Content of Cabbage Seedlings by Plant Growth Promoting Rhizobacteria

Samancioğlu¹,

Yıldırım²,

Turan³

et al. 2016

IJAB

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To cite this paper: Samancioglu, A., E. Yildirim, M. Turan, R. Kotan, U. Sahin and R. Kul, 2016 AbstractThe goals of the study were to investigate the role of plant growth promoting rhizobacteria (PGPR) (Bacillus megaterium TV-6D, Bacillus megaterium TV-20E, Peanibacillus polymyxa KIN-37, and combination of Bacillus megaterium TV-6D +Pantoea agglomerans RK-92+Brevibacillus choshiensis TV-53D) in alleviating the harmfull effects of drought stress in cabbage seedlings grown under different irrigation levels. For this popuse, a pot experiment was undertaken to determine the beneficial effect of PGPR on growth and physiological and biochemical properties of cabbage seedlings grown under various irrigation levels (I1, I2, I3 and I4) which was determined considering different ratios (100, 75, 50 and 25%) of evaporated water from the reduced pan. Experimental data showed an increase in growth parameters in PGPR treated plants when compared to untreated plants under stressed conditions. TV-6D and TV-6D+RK-92+TV-53D strains were found to mitigate drought stress tolerance in cabbage plants by accumulating antioxidant enzymes, osmolytes, hormone production, and decreased electrolyte leakage in PGPR treated plants under water deficit conditions.

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Section: Discussionmentioning

confidence: 97%

Amelioration of Drought Stress Adverse Effect and Mediating Biochemical Content of Cabbage Seedlings by Plant Growth Promoting Rhizobacteria

Samancioğlu¹,

Yıldırım²,

Turan³

et al. 2016

IJAB

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“…Similar experiments (in the laboratory and in the field) with several plants (pea [Pisum sativum], maize, wheat, mung bean [Vigna radiata], and Trigonella foenumgraecum) and different ACC deaminase-producing bacteria have since demonstrated the efficacy of using bacteria able to synthesize ACC deaminase in protecting plants against yield loss induced by drought stress (Arshad et al, 2008;Belimov et al, 2009;Shakir et al, 2012;Barnawal et al, 2013;Sarma and Saikia, 2014;Zafarul-Hye et al, 2014).…”

Section: Droughtmentioning

confidence: 94%

Bacterial Modulation of Plant Ethylene Levels

2015

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A focus on the mechanisms by which ACC deaminase-containing bacteria facilitate plant growth.Bacteria that produce the enzyme 1-aminocyclopropane-1-carboxylate (ACC) deaminase, when present either on the surface of plant roots (rhizospheric) or within plant tissues (endophytic), play an active role in modulating ethylene levels in plants. This enzyme activity facilitates plant growth especially in the presence of various environmental stresses. Thus, plant growth-promoting bacteria that express ACC deaminase activity protect plants from growth inhibition by flooding and anoxia, drought, high salt, the presence of fungal and bacterial pathogens, nematodes, and the presence of metals and organic contaminants. Bacteria that express ACC deaminase activity also decrease the rate of flower wilting, promote the rooting of cuttings, and facilitate the nodulation of legumes. Here, the mechanisms behind bacterial ACC deaminase facilitation of plant growth and development are discussed, and numerous examples of the use of bacteria with this activity are summarized.

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“…Improved drought resilience via inoculation with specific bacteria has been documented in several species, including the common bean (Figueiredo et al, 2008), mung bean (Sarma and Saikia, 2014), maize (Sandhya et al, 2010;Naveed et al, 2014), switchgrass (Wang et al, 2016), broom grass (Brachypodium distachyon) (Gagné-Bourque et al, 2015), and timothy grass (Gagné-Bourque et al, 2016). Our understanding of the mechanisms involved in bacterially-induced drought resilience are not as advanced as for AMF, but the production of compounds that affect osmosis in plants, protection from oxidative stress and changes in plant gene expression have been shown to play important roles (Naveed et al, 2014;Gagné-Bourque et al, 2016).…”

Section: Hypotheses Hypothesis 1: the Existence Of Microbes Increasesmentioning

confidence: 99%

The Green Roof Microbiome: Improving Plant Survival for Ecosystem Service Delivery

et al. 2018

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Plants are key contributors to ecosystem services delivered by green roofs in cities including stormwater capture, temperature regulation, and wildlife habitat. As a result, current research has primarily focused on their growth in relationship to extensive green roof (e.g., substrates <15 cm depth) ecosystem services. Green roofs are exposed to a variety of harsh abiotic factors such as intense solar radiation, wind, and isolation from ground-level habitats, making survival exceedingly difficult. Plants in natural habitats benefit from a variety of interactions with fungi and bacteria. These plant-microbial interactions improve mechanisms of survival and productivity; however, many green roof substrates are sterilized prior to installation and lack microbial communities with unstudied consequences for green roof plant health and subsequent survival and performance. In this paper, we present six hypotheses on the positive role of microbes in green roof applications. In natural and experimental systems, microbial interactions have been linked to plant (1) drought tolerance, (2) pathogen protection, (3) nutrient availability, (4) salt tolerance, (5) phytohormone production, and (6) substrate stabilization, all of which are desirable properties of green roof ecosystems. As few studies exist that directly examine these relationships on green roofs, we explore the existing ecological literature on these topics to unravel the mechanisms that could support more complex green roof ecosystem and lead to new insight into the design, performance, and broader applications in green infrastructure.

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Alleviation of drought stress in mung bean by strain Pseudomonas aeruginosa GGRJ21

Cited by 247 publications

References 61 publications

Amelioration of Drought Stress Adverse Effect and Mediating Biochemical Content of Cabbage Seedlings by Plant Growth Promoting Rhizobacteria

Amelioration of Drought Stress Adverse Effect and Mediating Biochemical Content of Cabbage Seedlings by Plant Growth Promoting Rhizobacteria

Bacterial Modulation of Plant Ethylene Levels

The Green Roof Microbiome: Improving Plant Survival for Ecosystem Service Delivery

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