Pure culture of Metarhizium anisopliae LHL07 reprograms soybean to higher growth and mitigates salt stress

Khan, Abdul Latif; Hamayun, Muhammad; Khan, Shaukat; Kang, ⋅Sang-Mo; Shinwari, Zabta Khan; Kamran, Muhammad; Rehman, Shafiq Ur; Kim, Jong-Guk; Lee, In‐Jung

doi:10.1007/s11274-011-0950-9

Cited by 124 publications

(73 citation statements)

References 62 publications

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“…Previous work with M. robertsii and soybean suggests that this may be the case. Successful soybean root colonization by M. robertsii alleviated salt-induced oxidative stress in plants (16). While this is a specific example of EIPF mitigating stress to plant partners, it indicates a potential for this unique group of fungi to aid in plant growth, development, and sustainability under a number of fluctuating soil conditions.…”

Section: Discussionmentioning

confidence: 88%

Ubiquity of Insect-Derived Nitrogen Transfer to Plants by Endophytic Insect-Pathogenic Fungi: an Additional Branch of the Soil Nitrogen Cycle

Behie

Bidochka

2014

Appl Environ Microbiol

157

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The study of symbiotic nitrogen transfer in soil has largely focused on nitrogen-fixing bacteria. Vascular plants can lose a substantial amount of their nitrogen through insect herbivory. Previously, we showed that plants were able to reacquire nitrogen from insects through a partnership with the endophytic, insect-pathogenic fungus Metarhizium robertsii. That is, the endophytic capability and insect pathogenicity of M. robertsii are coupled so that the fungus acts as a conduit to provide insect-derived nitrogen to plant hosts. Here, we assess the ubiquity of this nitrogen transfer in five Metarhizium species representing those with broad (M. robertsii, M. brunneum, and M. guizhouense) and narrower insect host ranges (M. acridum and M. flavoviride), as well as the insect-pathogenic fungi Beauveria bassiana and Lecanicillium lecanii. Insects were injected with 15 N-labeled nitrogen, and we tracked the incorporation of 15 N into two dicots, haricot bean (Phaseolus vulgaris) and soybean (Glycine max), and two monocots, switchgrass (Panicum virgatum) and wheat (Triticum aestivum), in the presence of these fungi in soil microcosms. All Metarhizium species and B. bassiana but not L. lecanii showed the capacity to transfer nitrogen to plants, although to various degrees. Endophytic association by these fungi increased overall plant productivity. We also showed that in the field, where microbial competition is potentially high, M. robertsii was able to transfer insect-derived nitrogen to plants. Metarhizium spp. and B. bassiana have a worldwide distribution with high soil abundance and may play an important role in the ecological cycling of insect nitrogen back to plant communities. Despite its atmospheric abundance, nitrogen gas (N 2 ) is not directly available as a source of nitrogen to plants. Free-living or symbiotic soil microbes fix N 2 and produce nitrogen-containing compounds that are directly utilized by plants (1). Traditionally, the paradigm of symbiotic nitrogen transfer to plants has focused on nitrogen-fixing bacteria such as Rhizobium. However, once this nitrogen is fixed and transferred to the plant, it can be lost, primarily through microbial mineralization of decaying vegetation or insect herbivory. With respect to mineralized nitrogen, more than 90% of land plants are able to form symbiotic relationships with soil fungi, and several of these fungi are able to transfer nitrogen to plants (2). Mycorrhizal fungi, specifically from the phylum Glomeromycota, have been shown to provide plants with nitrogen obtained from the soil in exchange for plant-derived carbon (3).Up to 31% of plant nitrogen in an ecosystem can be lost to insects through herbivory (4). Recently, we illustrated a strategy whereby plants can reacquire nitrogen previously lost to herbivorous insects through an association with an endophytic, insectpathogenic fungus (EIPF) (5). In the soil, the EIPF Metarhizium robertsii infected and killed an insect, formed an endophytic relationship with a plant, and subsequently transferred insect-deriv...

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Section: Discussionmentioning

confidence: 88%

Ubiquity of Insect-Derived Nitrogen Transfer to Plants by Endophytic Insect-Pathogenic Fungi: an Additional Branch of the Soil Nitrogen Cycle

Behie

Bidochka

2014

Appl Environ Microbiol

157

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“…Additionally, Metarhizium robertsii J.F. Bisch., Rehner & Humber promoted root development [17] and nitrogen absorption [18] in switch grass and haricot beans and M. anisopliae mitigated salt stress in soybean [19] through endophytic interaction. These studies indicate a bigger role that entomopathogenic fungi could play in crop production in addition to their traditional role in crop protection.…”

mentioning

confidence: 99%

Impact of Entomopathogenic Fungi on the Growth, Development, and Health of Cabbage Growing under Water Stress

Dara¹,

Dara²,

Dara³

2017

AJPS

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Entomopathogenic fungi such as Beauveria bassiana, Isaria fumosorosea, and Metarhizium brunneum are commonly used in the form of biopesticides to manage various arthropod pests. These fungi also form endophytic and mycorrhiza-like relationships with plants. This study aimed at evaluating the impact of three entomopathogenic fungi on the growth, development, and health of cabbage plants grown under artificial lighting with limited water.Beauveria bassiana had a positive influence on the survival, growth, health, length, and dry weight of cabbage. Other fungi also had a positive impact on some of the measured parameters. Other beneficial bacteria and mycorrhizae were also compared with the entomopathogenic fungi. This is the first report evaluating the non-entomopathogenic role of three entomopathogenic fungi on cabbage plants.

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“…The plants' reaction to drought stress depends on plant growth (development), stress period and plant genetics [21,22]. Drought can also inluence morphophysiological features of plant such as growth, anatomy, morphology, physiology (stomatal closure, low photosynthesis, transpiration rate), biochemistry and ultimately productivity [23,24].…”

Section: Drought Stressmentioning

confidence: 99%

Association Mapping of Root Traits for Drought Tolerance in Bread Wheat

Ahmad¹

2017

Wheat Improvement, Management and Utilization

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Bread wheat (Triticum aestivum L., 2n = 6x = 42, AABBDD) is one of the most important crops, making staple food for more than 40 countries and over 35% of the global population. Drought stress is among the major constraints to wheat production as it afects plant growth, gene expression and yield potential of the crop. Development of elite wheat cultivars with the ability to grow and reproduce in water-limited soils seems to be the most enduring solution of addressing drought stress. A total of 100 lines including well-adapted wheat cultivars were evaluated for important root traits and complemented with 102 PCR-based markers aiming to understand their genetic structure and to identify molecular markers that are closely associated to quantitative trait loci (QTLs) of important root traits. Alleles per locus are counted and polymorphic information content (PIC) values are calculated. Population structure of these lines was analyzed with general linear model (GLM) and mixed linear model (MLM) approaches for identiication of QTLs associated with important root traits. The results indicated the presence of two novel QTLs on the homoeologous group 2 and group 5 of wheat that may be related to drought stress resistance. Our results may facilitate the development of agronomically desirable drought stress-resistant wheat germplasm.

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Pure culture of Metarhizium anisopliae LHL07 reprograms soybean to higher growth and mitigates salt stress

Cited by 124 publications

References 62 publications

Ubiquity of Insect-Derived Nitrogen Transfer to Plants by Endophytic Insect-Pathogenic Fungi: an Additional Branch of the Soil Nitrogen Cycle

Ubiquity of Insect-Derived Nitrogen Transfer to Plants by Endophytic Insect-Pathogenic Fungi: an Additional Branch of the Soil Nitrogen Cycle

Impact of Entomopathogenic Fungi on the Growth, Development, and Health of Cabbage Growing under Water Stress

Association Mapping of Root Traits for Drought Tolerance in Bread Wheat

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