Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato

Research output: Contribution to journal › Journal article › Research › peer-review

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Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato. / Rasool, Shumaila; Cardenas, Pablo D.; Pattison, David I.; Jensen, Birgit; Meyling, Nicolai V.

In: Journal of Chemical Ecology, Vol. 47, No. 4-5, 2021, p. 476–488.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Rasool, S, Cardenas, PD, Pattison, DI, Jensen, B & Meyling, NV 2021, 'Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato', Journal of Chemical Ecology, vol. 47, no. 4-5, pp. 476–488. https://doi.org/10.1007/s10886-021-01265-y

APA

Rasool, S., Cardenas, P. D., Pattison, D. I., Jensen, B., & Meyling, N. V. (2021). Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato. Journal of Chemical Ecology, 47(4-5), 476–488. https://doi.org/10.1007/s10886-021-01265-y

Vancouver

Rasool S, Cardenas PD, Pattison DI, Jensen B, Meyling NV. Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato. Journal of Chemical Ecology. 2021;47(4-5):476–488. https://doi.org/10.1007/s10886-021-01265-y

Author

Rasool, Shumaila ; Cardenas, Pablo D. ; Pattison, David I. ; Jensen, Birgit ; Meyling, Nicolai V. / Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato. In: Journal of Chemical Ecology. 2021 ; Vol. 47, No. 4-5. pp. 476–488.

Bibtex

@article{3e837856180d477eb7e1801e01845c50,
title = "Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato",
abstract = "Entomopathogenic fungi (EPF) can be experimentally established in several plant species as endophytes. Ecological effects of EPF inoculations on plant growth and plant-herbivore interactions have been demonstrated, potentially by altering plant physiological responses. However, the role of these responses in plant-fungus-herbivore tripartite interactions has not been well elucidated. Steroidal glycoalkaloids (SGAs) are plant specialized metabolites with bioactive properties against arthropod herbivores. Here, the effects of seed treatments by three EPF isolates, representing Beauveria bassiana, Metarhizium brunneum, and M. robertsii, on population growth of two-spotted spider mites (Tetranychus urticae Koch) were evaluated on tomato (Solanum lycopersicum). The levels of two SGAs, alpha-tomatine and dehydrotomatine, were determined in tomato leaves by LC-MS with and without T. urticae infestations after EPF inoculations. Interestingly, the population growth of T. urticae was significantly highest with M. brunneum and lowest with M. robertsii and B. bassiana at 15 days after infestation. Overall there was a significant negative correlation between SGAs content and the number of T. urticae. The levels of SGAs were significantly induced by T. urticae presence in all treatments, while only M. robertsii showed significantly higher levels of SGAs than M. brunneum and control in one of two experiments. Contrastingly, the effects on SGAs accumulation and population growth of T. urticae did not directly correlate with EPF endophytic colonization patterns of the inoculated plants. This study suggests a link between ecological effects and physiological responses mediated by EPF inoculations and T. urticae infestation with potential implications for plant protection.",
keywords = "Plant specialized metabolites, &#945, -Tomatine, Dehydrotomatine, Beauveria bassiana, Metarhizium brunneum, Metarhizium robertsii, Endophytes",
author = "Shumaila Rasool and Cardenas, {Pablo D.} and Pattison, {David I.} and Birgit Jensen and Meyling, {Nicolai V.}",
year = "2021",
doi = "10.1007/s10886-021-01265-y",
language = "English",
volume = "47",
pages = "476–488",
journal = "Journal of Chemical Ecology",
issn = "0098-0331",
publisher = "Springer",
number = "4-5",

}

RIS

TY - JOUR

T1 - Isolate-Specific Effect of Entomopathogenic Endophytic Fungi on Population Growth of Two-Spotted Spider Mite (Tetranychus urticae Koch) and Levels of Steroidal Glycoalkaloids in Tomato

AU - Rasool, Shumaila

AU - Cardenas, Pablo D.

AU - Pattison, David I.

AU - Jensen, Birgit

AU - Meyling, Nicolai V.

PY - 2021

Y1 - 2021

N2 - Entomopathogenic fungi (EPF) can be experimentally established in several plant species as endophytes. Ecological effects of EPF inoculations on plant growth and plant-herbivore interactions have been demonstrated, potentially by altering plant physiological responses. However, the role of these responses in plant-fungus-herbivore tripartite interactions has not been well elucidated. Steroidal glycoalkaloids (SGAs) are plant specialized metabolites with bioactive properties against arthropod herbivores. Here, the effects of seed treatments by three EPF isolates, representing Beauveria bassiana, Metarhizium brunneum, and M. robertsii, on population growth of two-spotted spider mites (Tetranychus urticae Koch) were evaluated on tomato (Solanum lycopersicum). The levels of two SGAs, alpha-tomatine and dehydrotomatine, were determined in tomato leaves by LC-MS with and without T. urticae infestations after EPF inoculations. Interestingly, the population growth of T. urticae was significantly highest with M. brunneum and lowest with M. robertsii and B. bassiana at 15 days after infestation. Overall there was a significant negative correlation between SGAs content and the number of T. urticae. The levels of SGAs were significantly induced by T. urticae presence in all treatments, while only M. robertsii showed significantly higher levels of SGAs than M. brunneum and control in one of two experiments. Contrastingly, the effects on SGAs accumulation and population growth of T. urticae did not directly correlate with EPF endophytic colonization patterns of the inoculated plants. This study suggests a link between ecological effects and physiological responses mediated by EPF inoculations and T. urticae infestation with potential implications for plant protection.

AB - Entomopathogenic fungi (EPF) can be experimentally established in several plant species as endophytes. Ecological effects of EPF inoculations on plant growth and plant-herbivore interactions have been demonstrated, potentially by altering plant physiological responses. However, the role of these responses in plant-fungus-herbivore tripartite interactions has not been well elucidated. Steroidal glycoalkaloids (SGAs) are plant specialized metabolites with bioactive properties against arthropod herbivores. Here, the effects of seed treatments by three EPF isolates, representing Beauveria bassiana, Metarhizium brunneum, and M. robertsii, on population growth of two-spotted spider mites (Tetranychus urticae Koch) were evaluated on tomato (Solanum lycopersicum). The levels of two SGAs, alpha-tomatine and dehydrotomatine, were determined in tomato leaves by LC-MS with and without T. urticae infestations after EPF inoculations. Interestingly, the population growth of T. urticae was significantly highest with M. brunneum and lowest with M. robertsii and B. bassiana at 15 days after infestation. Overall there was a significant negative correlation between SGAs content and the number of T. urticae. The levels of SGAs were significantly induced by T. urticae presence in all treatments, while only M. robertsii showed significantly higher levels of SGAs than M. brunneum and control in one of two experiments. Contrastingly, the effects on SGAs accumulation and population growth of T. urticae did not directly correlate with EPF endophytic colonization patterns of the inoculated plants. This study suggests a link between ecological effects and physiological responses mediated by EPF inoculations and T. urticae infestation with potential implications for plant protection.

KW - Plant specialized metabolites

KW - &#945

KW - -Tomatine

KW - Dehydrotomatine

KW - Beauveria bassiana

KW - Metarhizium brunneum

KW - Metarhizium robertsii

KW - Endophytes

U2 - 10.1007/s10886-021-01265-y

DO - 10.1007/s10886-021-01265-y

M3 - Journal article

C2 - 33740175

VL - 47

SP - 476

EP - 488

JO - Journal of Chemical Ecology

JF - Journal of Chemical Ecology

SN - 0098-0331

IS - 4-5

ER -

ID: 258891701