Fungal Endophytes Promote Tomato Growth and Enhance Drought and Salt Tolerance

Morsy, Mustafa; Cleckler, Blake; Armuelles-Millican, Hayden

doi:10.3390/plants9070877

Cited by 58 publications

(40 citation statements)

References 72 publications

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“…The evaluation of the tolerance of fungal strains to the saline environment has received great attention in recent years [ 28 , 29 ]. Moreover, the tolerance of fungal endophytes to different hyper-saline concentrations of sodium chloride was reported by several recent studies [ 28 , 30 , 31 , 32 , 33 ].…”

Section: Discussionmentioning

confidence: 99%

Enhancement of Seawater Stress Tolerance in Barley by the Endophytic Fungus Aspergillus ochraceus

et al. 2021

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Symbiotic plant-fungi interaction is a promising approach to alleviate salt stress in plants. Moreover, endophytic fungi are well known to promote the growth of various crop plants. Herein, seven fungal endophytes were screened for salt tolerance; the results revealed that Aspergillus ochraceus showed a great potentiality in terms of salt tolerance, up to 200 g L−1. The indole acetic acid (IAA) production antioxidant capacity and antifungal activity of A. ochraceus were evaluated, in vitro, under two levels of seawater stress, 15 and 30% (v/v; seawater/distilled water). The results illustrated that A. ochraceus could produce about 146 and 176 µg mL−1 IAA in 15 and 30% seawater, respectively. The yield of IAA by A. ochraceus at 30% seawater was significantly higher at all tryptophan concentrations, as compared with that at 15% seawater. Moreover, the antioxidant activity of ethyl acetate extract of A. ochraceus (1000 µg mL−1) at 15 and 30% seawater was 95.83 ± 1.25 and 98.33 ± 0.57%, respectively. Crude extracts of A. ochraceus obtained at 15 and 30% seawater exhibited significant antifungal activity against F. oxysporum, compared to distilled water. The irrigation of barley plants with seawater (15 and 30%) caused notable declines in most morphological indices, pigments, sugars, proteins, and yield characteristics, while increasing the contents of proline, malondialdehyde, and hydrogen peroxide and the activities of antioxidant enzymes. On the other hand, the application of A. ochraceus mitigated the harmful effects of seawater on the growth and physiology of barley plants. Therefore, this study suggests that the endophytic fungus A. ochraceus MT089958 could be applied as a strategy for mitigating the stress imposed by seawater irrigation in barley plants and, therefore, improving crop growth and productivity.

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Section: Discussionmentioning

confidence: 99%

Enhancement of Seawater Stress Tolerance in Barley by the Endophytic Fungus Aspergillus ochraceus

et al. 2021

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“…Endophytic fungi, Ampelomyces sp. or P. chrysogenum improved growth and drought and salinity stress tolerance in tomato (Morsy et al, 2020).…”

Section: Endophytic Fungi-mediated Salinity Stress Tolerancementioning

confidence: 96%

Future of Sustainable Agriculture in Saline Environments

Negacz

Vellinga²,

Barrett-Lennard

et al. 2021

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Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all materials or the consequences of their use. The authors and publishers have attempted to trace the copyright holders of all material reproduced in this publication and apologize to copyright holders if permission to publish in this form has not been obtained. If any copyright material has not been acknowledged please write and let us know so we may rectify in any future reprint.The Open Access version of this book, available at www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license Trademark notice: Product or corporate names may be trademarks or registered trademarks and are used only for identification and explanation without intent to infringe.

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“…In the grass Brachypodium distachyon , drought stress was mitigated with the help of an endophytic bacterium Bacillus subtilis B26, which also upregulated the stress responsive genes [ 76 ]. Morsy et al [ 77 ] reported that the endophytic fungal strains Ampelomyces sp. and Penicillium sp., isolated from stress inducing soil (drought and high salinity), enhanced drought tolerance ( Ampelomyces sp.)…”

Section: Endophyte Mediated Drought and Salinity Stress Managementmentioning

confidence: 99%

The Potential Application of Endophytes in Management of Stress from Drought and Salinity in Crop Plants

Verma¹,

Kumar

et al. 2021

Microorganisms

121

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Endophytic microorganisms present inside the host plant play an essential role in host fitness, nutrient supply and stress tolerance. Endophytes are often used in sustainable agriculture as biofertilizers, biopesticides and as inoculants to mitigate abiotic stresses including salinity, drought, cold and pH variation in the soil. In changing climatic conditions, abiotic stresses create global challenges to achieve optimum crop yields in agricultural production. Plants experience stress conditions that involve endogenous boosting of their immune system or the overexpression of their defensive redox regulatory systems with increased reactive oxygen species (ROS). However, rising stress factors overwhelm the natural redox protection systems of plants, which leads to massive internal oxidative damage and death. Endophytes are an integral internal partner of hosts and have been shown to mitigate abiotic stresses via modulating local or systemic mechanisms and producing antioxidants to counteract ROS in plants. Advancements in omics and other technologies have been made, but potential application of endophytes remains largely unrealized. In this review article, we will discuss the diversity, population and interaction of endophytes with crop plants as well as potential applications in abiotic stress management.

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Fungal Endophytes Promote Tomato Growth and Enhance Drought and Salt Tolerance

Cited by 58 publications

References 72 publications

Enhancement of Seawater Stress Tolerance in Barley by the Endophytic Fungus Aspergillus ochraceus

Enhancement of Seawater Stress Tolerance in Barley by the Endophytic Fungus Aspergillus ochraceus

Future of Sustainable Agriculture in Saline Environments

The Potential Application of Endophytes in Management of Stress from Drought and Salinity in Crop Plants

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