Towards engineering ectomycorrhization into switchgrass bioenergy crops via a lectin receptor‐like kinase

Qiao, Zhenzhen; Yates, Timothy B.; Shrestha, Him K.; Engle, Nancy L.; Flanagan, Amy; Morrell‐Falvey, Jennifer L.; Sun, Yali; Tschaplinski, Timothy J.; Abraham, Paul E.; Labbé, Jessy; Wang, Zeng‐Yu; Hettich, Robert L.; Tuskan, Gerald A.; Muchero, Wellington; Chen, Jay

doi:10.1111/pbi.13671

Cited by 17 publications

(25 citation statements)

References 74 publications

(100 reference statements)

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“…The success of SIGS for plant disease management is largely determined by RNA uptake efficiency, which varies among different pathogens. Some eukaryotic microbes, including B. cinerea , Rhizoctonia solani , Aspergillus niger , and V. dahliae , could uptake environmental RNA efficiently, whereas RNA uptake is modest in Trichoderma virens , undetectable in Colletotrichum gloeosporioides , and limited in P. infestans ( Qiao et al, 2021 ). The efficiency of SIGS application also depends on RNA stability in the environment.…”

Section: Novel Ev- and Rnai-based Tools For Crop Protectionmentioning

confidence: 99%

“…Such an approach can provide effective and sustainable protection to plants. However, the success of SIGS for plant disease management largely depends on the efficiency of dsRNA uptake, which varies among different pathogens ( Qiao et al, 2021 ). The stability of RNA in the environment also affects the efficiency of SIGS ( Mitter et al, 2017 ).…”

Section: Concluding Remarks and Future Perspectivesmentioning

confidence: 99%

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Extracellular Vesicles: Emerging Players in Plant Defense Against Pathogens

et al. 2021

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Communication between plants and interacting microorganisms requires functional molecule trafficking, which is essential for host defense and pathogen virulence. Extracellular vesicles (EVs) are single membrane-bound spheres that carry complex cargos, including lipids, proteins, and nucleic acids. They mediate cell-to-cell communication via the transfer of molecules between cells. Plant EVs have been isolated from many plant species and play a prominent role in immune system modulation and plant defense response. Recent studies have shown that plant EVs are emerging players in cross-kingdom regulation and contribute to plant immunity by mediating the trafficking of regulatory small RNA into pathogens, leading to the silencing of pathogen virulence-related genes. This review summarizes the current understanding of plant EV isolation technologies, the role of plant EVs in plant immunity, and the mechanism of plant EV biogenesis, as well as approaches for how these findings can be developed into innovative strategies for crop protection.

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Section: Novel Ev- and Rnai-based Tools For Crop Protectionmentioning

confidence: 99%

Section: Concluding Remarks and Future Perspectivesmentioning

confidence: 99%

Extracellular Vesicles: Emerging Players in Plant Defense Against Pathogens

et al. 2021

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“…This hypothesis could be tested by examining whether over-expression of the AMF-inducible SSP genes can enhance the beneficial interactions between the AMS plants and their symbiotic partner R. irregularis and promote the initiation of symbiosis between R. irregularis and the non-host plant species. Similar approach has been successfully used to investigate the role of a P. trichocarpa G-type lectin receptor-like kinase PtLecRLK1 in the initiation of symbiosis between ectomycorrhizal fungus L. bicolor and two non-host plant species ( A. thaliana and Panicum virgatum ) [ 40 , 41 ]. Also, the powerful clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated system (Cas) [ 42 , 43 ] could be used for generating loss-of-function mutants to validate the function of the plant SSP genes predicted in this study.…”

Section: Discussionmentioning

confidence: 99%

Diversity and conservation of plant small secreted proteins associated with arbuscular mycorrhizal symbiosis

Jin

Kaundal

et al. 2022

Horticulture Research

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Arbuscular mycorrhizal symbiosis (AMS) is widespread mutualistic association between plants and fungi, which plays an essential role in nutrient exchange, enhancement in plant stress resistance, development of host, and ecosystem sustainability. Previous studies have shown that plant small secreted proteins (SSPs) are involved in beneficial symbiotic interactions. However, the role of SSPs in the evolution of AMS has not been well studied yet. In this study, we performed computational analysis of SSPs in 60 plant species and identified three AMS-specific ortholog groups containing SSPs only from at least 30% of the AMS species in this study and three AMS-preferential ortholog groups containing SSPs from both AMS and non-AMS species, with AMS species containing significantly more SSPs than non-AMS species. We found that independent lineages of monocot and eudicot plants contained genes in the AMS-specific ortholog groups and had significant expansion in the AMS-preferential ortholog groups. Also, two AMS-preferential ortholog groups showed convergent changes, between monocot and eudicot species, in gene expression in response to arbuscular mycorrhizal fungus Rhizophagus irregularis. Furthermore, conserved cis-elements were identified in the promoter regions of the genes showing convergent gene expression. We found that the SSPs, and their closely related homologs, in each of three AMS-preferential ortholog groups, had some local variations in the protein structural alignment. We also identified genes co-expressed with the Populus trichocarpa SSP genes in the AMS-preferential ortholog groups. This first plant kingdom-wide analysis on SSP provides insights on plant-AMS convergent evolution with specific SSP gene expression and local diversification of protein structures.

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“…A G-type lecRLK is required for interactions between Populus trichocarpa and the ectomycorrhizal fungus Laccaria bicolor (Labbé et al 2019 ). Simultaneously, it was shown that expression of LecRLK1 from Populus trichocarpa in non-host switchgrass roots allows colonization by Laccaria bicolor and improves productivity of this potential bioenergy crop exposed to abiotic stress (Qiao et al 2021 ).…”

Section: Regulation Of Cwi Maintenance In Other Plant Speciesmentioning

confidence: 99%

Cell wall integrity regulation across plant species

2022

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Plant cell walls are highly dynamic and chemically complex structures surrounding all plant cells. They provide structural support, protection from both abiotic and biotic stress as well as ensure containment of turgor. Recently evidence has accumulated that a dedicated mechanism exists in plants, which is monitoring the functional integrity of cell walls and initiates adaptive responses to maintain integrity in case it is impaired during growth, development or exposure to biotic and abiotic stress. The available evidence indicates that detection of impairment involves mechano-perception, while reactive oxygen species and phytohormone-based signaling processes play key roles in translating signals generated and regulating adaptive responses. More recently it has also become obvious that the mechanisms mediating cell wall integrity maintenance and pattern triggered immunity are interacting with each other to modulate the adaptive responses to biotic stress and cell wall integrity impairment. Here we will review initially our current knowledge regarding the mode of action of the maintenance mechanism, discuss mechanisms mediating responses to biotic stresses and highlight how both mechanisms may modulate adaptive responses. This first part will be focused on Arabidopsis thaliana since most of the relevant knowledge derives from this model organism. We will then proceed to provide perspective to what extent the relevant molecular mechanisms are conserved in other plant species and close by discussing current knowledge of the transcriptional machinery responsible for controlling the adaptive responses using selected examples.

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Towards engineering ectomycorrhization into switchgrass bioenergy crops via a lectin receptor‐like kinase

Abstract: public-accessplan).

Cited by 17 publications

References 74 publications

Extracellular Vesicles: Emerging Players in Plant Defense Against Pathogens

Extracellular Vesicles: Emerging Players in Plant Defense Against Pathogens

Diversity and conservation of plant small secreted proteins associated with arbuscular mycorrhizal symbiosis

Cell wall integrity regulation across plant species

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