Plant Mycobiome: Current Research and Applications

Anal, Ajit Kumar Dubedi; Rai, Shalini; Singh, Manvendra; Solanki, Manoj Kumar

doi:10.1007/978-981-15-3151-4_4

Cited by 11 publications

(8 citation statements)

References 159 publications

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“…Our results provided evidence that plant health status can strongly influence fungal community composition in Korean fir soil ecosystems, especially within rhizosphere soils. The rhizosphere mycobiome is closely interconnected to plant health, fitness, and growth, and this result is also supported by previous studies (Anal et al, 2020). Different compartments have different physicochemical properties due to structural differences and exposure to different environmental niches, which can lead to the selective recruitment of microbial communities (Yang et al, 2022).…”

Section: Discussionsupporting

confidence: 76%

The death of Korean fir (Abies koreana) affects soil symbiotic fungal microbiome: Preliminary findings

Jeong¹,

Tagele²,

Kim³

et al. 2023

Front. For. Glob. Change

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The population of the Korean fir, Abies koreana, is declining at an accelerating rate, and the average mortality rate in 2019 exceeded 36.43% on Mt. Hallasan in Jeju Island, Republic of Korea. Several prior studies have reported different reasons with various interpretations, indicating that additional data, such as data on microbial communities that promote plant growth and resistance to abiotic stresses, are required to understand the phenomenon further. This is the first investigation that documents the changes in the soil microbial and fungal community and soil physicochemical properties resulting from the death of the Korean fir. In our case, high throughput sequencing data have been provided for the soil microbiome and mycobiome of Korean fir trees, identifying the microbial composition differences before and after the decline in the health of Korean fir trees. The results showed that the soil fungal community was considerably shaped in response to the decline in the health of Korean fir rather than the soil bacterial community. The decline in health or the death of Korean fir trees contributed to the decrease in diversity and dominance of symbiotic fungi such as Russula, Sebacina, and Phenoliferia in the forest ecosystem. It also weakened the complexity and ecological competition of the fungal co-occurrence network. Structural equation modeling showed that the death of Korean fir was strongly associated with the concentrations of soil nutrients such as available phosphorus (P2O5) and potassium ion (K+) concentrations and low moisture content, adversely affecting the symbiotic relationship with ectomycorrhizal fungi. Our findings shed light on the critical taxa of mycobiome of live and dead A. koreana plants and their relationship with ecological edaphic factors, highlighting their potential role as biomarkers for the death of Korean fir.

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Section: Discussionsupporting

confidence: 76%

The death of Korean fir (Abies koreana) affects soil symbiotic fungal microbiome: Preliminary findings

Jeong¹,

Tagele²,

Kim³

et al. 2023

Front. For. Glob. Change

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“…Plant pathogens can modify the outcomes of plant–microbiota interactions by promoting enhanced enzyme activity, changing nutrient cycling, regulating the order of microbial succession, inhibiting pathogen growth, and inducing host defense priming [ 21 ]. Nevertheless, characterization of the spatial and temporal dynamics of healthy and disease-associated microbiota of plants is still lacking [ 30 , 31 ].…”

Section: Introductionmentioning

confidence: 99%

Metagenomic Analyses of the Soybean Root Mycobiome and Microbiome Reveal Signatures of the Healthy and Diseased Plants Affected by Taproot Decline

et al. 2022

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Invading pathogens interact with plant-associated microbial communities, which can be altered under the pressure of pathogen infection. Limited information exists on plant–microbe interactions occurring during natural outbreaks in agricultural fields. Taproot decline (TRD) of soybean is an emerging disease caused by Xylaria necrophora. TRD disease occurrence and yield loss associated with TRD are outstanding issues in soybean production. We applied nuclear ribosomal DNA Internal Transcribed Spacers and 16S rRNA gene taxonomic marker sequencing to define the composition of the fungal and bacterial communities associated with healthy and diseased soybean roots collected from the Mississippi Delta. The plant compartment was a significant factor regulating taxonomic diversity, followed by the disease status of the plant. TRD impacted the root endophytes, causing imbalances; at the intermediate and advanced stages of TRD, X. necrophora decreased mycobiome diversity, whereas it increased microbiome richness. Networks of significant co-occurrence and co-exclusion relationships revealed direct and indirect associations among taxa and identified hubs with potential roles in assembling healthy and TRD-affected soybean biomes. These studies advance the understanding of host–microbe interactions in TRD and the part of biomes in plant health and disease.

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“…Through methods of competition, antibiosis, and mycoparasitism, Trichoderma fungi can combat plant diseases. This confers from the pattern of pathogen-host plant interaction from different crops through induction of antifungal compounds, secondary metabolites, mycelial and hyphal changes or destruction and nutrient competition (Anal et al, 2020). Recent studies associated with Aspergillus niger van Tieghem infection, T. harzianum exhibited maximum mycelial growth inhibition of 65% -77.67% using dual culture method (Gawarkar et al, 2022;Ren et al, 2022;Saran et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Bio-efficacy of Trichoderma harzianum Rifai and Botanical Extracts against Major Fungal Pathogens of Tamarind (Tamarindus indica L.) under Field Condition

Gatan

Bulanadi

Limpin

et al. 2023

RMRJ

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Domestic production of tamarind has decreased in the country due to diseases. Tests were made on the individual efficacy of botanical extracts like plant growth promoter (PGP) and oriental herb nutrient (OHN), as well as the Trichoderma harzianum Rifai as a possible biocontrol agent against major fungal tamarind diseases. Using Randomized Complete Block Design (RCBD), a field setup was established with five treatments: untreated (negative control), synthetic fungicide, OHN, PGP, and T. harzianum having three replications per treatment. Results revealed that T. harzianum is an effective biocontrol agent against major fungal tamarind diseases. PGP having similar efficiency with T. harzianum significantly inhibited the infection and provided immediate defense from diseases. OHN is less effective due to delayed reduced infection. The research output is a significant help in the management of various diseases that is cost-effective and safe.

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Plant Mycobiome: Current Research and Applications

Cited by 11 publications

References 159 publications

The death of Korean fir (Abies koreana) affects soil symbiotic fungal microbiome: Preliminary findings

The death of Korean fir (Abies koreana) affects soil symbiotic fungal microbiome: Preliminary findings

Metagenomic Analyses of the Soybean Root Mycobiome and Microbiome Reveal Signatures of the Healthy and Diseased Plants Affected by Taproot Decline

Bio-efficacy of Trichoderma harzianum Rifai and Botanical Extracts against Major Fungal Pathogens of Tamarind (Tamarindus indica L.) under Field Condition

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