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Yang M, Li H, Qiao H, Guo K, Xu R, Wei H, Wei J, Liu S, Xu C. Integrated Transcriptome and Metabolome Dynamic Analysis of Galls Induced by the Gall Mite Aceria pallida on Lycium barbarum Reveals the Molecular Mechanism Underlying Gall Formation and Development. Int J Mol Sci 2023; 24:9839. [PMID: 37372986 DOI: 10.3390/ijms24129839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Galls have become the best model for exploring plant-gall inducer relationships, with most studies focusing on gall-inducing insects but few on gall mites. The gall mite Aceria pallida is a major pest of wolfberry, usually inducing galls on its leaves. For a better understanding of gall mite growth and development, the dynamics of the morphological and molecular characteristics and phytohormones of galls induced by A. pallida were studied by histological observation, transcriptomics and metabolomics. The galls developed from cell elongation of the epidermis and cell hyperplasia of mesophylls. The galls grew quickly, within 9 days, and the mite population increased rapidly within 18 days. The genes involved in chlorophyll biosynthesis, photosynthesis and phytohormone synthesis were significantly downregulated in galled tissues, but the genes associated with mitochondrial energy metabolism, transmembrane transport, carbohydrates and amino acid synthesis were distinctly upregulated. The levels of carbohydrates, amino acids and their derivatives, and indole-3-acetic acid (IAA) and cytokinins (CKs), were markedly enhanced in galled tissues. Interestingly, much higher contents of IAA and CKs were detected in gall mites than in plant tissues. These results suggest that galls act as nutrient sinks and favor increased accumulation of nutrients for mites, and that gall mites may contribute IAA and CKs during gall formation.
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Affiliation(s)
- Mengke Yang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Huanle Li
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Haili Qiao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Kun Guo
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Rong Xu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Hongshuang Wei
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Jianhe Wei
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Sai Liu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
| | - Changqing Xu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China
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2
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Berrabah F, Bernal G, Elhosseyn AS, El Kassis C, L’Horset R, Benaceur F, Wen J, Mysore KS, Garmier M, Gourion B, Ratet P, Gruber V. Insight into the control of nodule immunity and senescence during Medicago truncatula symbiosis. PLANT PHYSIOLOGY 2023; 191:729-746. [PMID: 36305683 PMCID: PMC9806560 DOI: 10.1093/plphys/kiac505] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Medicago (Medicago truncatula) establishes a symbiosis with the rhizobia Sinorhizobium sp, resulting in the formation of nodules where the bacteria fix atmospheric nitrogen. The loss of immunity repression or early senescence activation compromises symbiont survival and leads to the formation of nonfunctional nodules (fix-). Despite many studies exploring an overlap between immunity and senescence responses outside the nodule context, the relationship between these processes in the nodule remains poorly understood. To investigate this phenomenon, we selected and characterized three Medicago mutants developing fix- nodules and showing senescence responses. Analysis of specific defense (PATHOGENESIS-RELATED PROTEIN) or senescence (CYSTEINE PROTEASE) marker expression demonstrated that senescence and immunity seem to be antagonistic in fix- nodules. The growth of senescence mutants on non-sterile (sand/perlite) substrate instead of sterile in vitro conditions decreased nodule senescence and enhanced defense, indicating that environment can affect the immunity/senescence balance. The application of wounding stress on wild-type (WT) fix+ nodules led to the death of intracellular rhizobia and associated with co-stimulation of defense and senescence markers, indicating that in fix+ nodules the relationship between the two processes switches from opposite to synergistic to control symbiont survival during response to the stress. Our data show that the immune response in stressed WT nodules is linked to the repression of DEFECTIVE IN NITROGEN FIXATION 2 (DNF2), Symbiotic CYSTEINE-RICH RECEPTOR-LIKE KINASE (SymCRK), and REGULATOR OF SYMBIOSOME DIFFERENTIATION (RSD), key genes involved in symbiotic immunity suppression. This study provides insight to understand the links between senescence and immunity in Medicago nodules.
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Affiliation(s)
- Fathi Berrabah
- Faculty of Sciences, Department of Biology, Amar Telidji University, 03000 Laghouat, Algeria
- Research Unit of Medicinal Plants (RUMP), National Center of Biotechnology Research, CRBt, 25000 Constantine, Algeria
| | - Gautier Bernal
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Ait-Salem Elhosseyn
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Cyrille El Kassis
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Roxane L’Horset
- Pôle de Protection des Plantes, UMR PVBMT, 97410 Saint-Pierre, Réunion, France
| | - Farouk Benaceur
- Faculty of Sciences, Department of Biology, Amar Telidji University, 03000 Laghouat, Algeria
- Research Unit of Medicinal Plants (RUMP), National Center of Biotechnology Research, CRBt, 25000 Constantine, Algeria
| | - Jiangqi Wen
- The Institute of Agricultural Biosciences, Oklahoma State University, Ardmore, Oklahoma 73401, USA
| | - Kirankumar S Mysore
- The Institute of Agricultural Biosciences, Oklahoma State University, Ardmore, Oklahoma 73401, USA
| | - Marie Garmier
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Benjamin Gourion
- LIPME, Université de Toulouse, INRAE, CNRS, 31320 Castanet-Tolosan, France
| | - Pascal Ratet
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
| | - Véronique Gruber
- Université Paris-Saclay, CNRS, INRAE, Université d’Évry, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
- Université Paris Cité, Institute of Plant Sciences Paris-Saclay (IPS2), 91190 Gif-sur-Yvette, France
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3
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Bazinet Q, Tang L, Bede JC. Impact of Future Elevated Carbon Dioxide on C 3 Plant Resistance to Biotic Stresses. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2022; 35:527-539. [PMID: 34889654 DOI: 10.1094/mpmi-07-21-0189-fi] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Before the end of the century, atmospheric carbon dioxide levels are predicted to increase to approximately 900 ppm. This will dramatically affect plant physiology and influence environmental interactions and, in particular, plant resistance to biotic stresses. This review is a broad survey of the current research on the effects of elevated CO2 (eCO2) on phytohormone-mediated resistance of C3 agricultural crops and related model species to pathogens and insect herbivores. In general, while plants grown in eCO2 often have increased constitutive and induced salicylic acid levels and suppressed induced jasmonate levels, there are exceptions that implicate other environmental factors, such as light and nitrogen fertilization in modulating these responses. Therefore, this review sets the stage for future studies to delve into understanding the mechanistic basis behind how eCO2 will affect plant defensive phytohormone signaling pathways under future predicted environmental conditions that could threaten global food security to inform the best agricultural management practices.[Formula: see text] Copyright © 2022 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Quinn Bazinet
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, Quebec H9X 3V9, Canada
| | - Lawrence Tang
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, Quebec H9X 3V9, Canada
| | - Jacqueline C Bede
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, Quebec H9X 3V9, Canada
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4
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Wang R, Yang Y, Jing Y, Segar ST, Zhang Y, Wang G, Chen J, Liu QF, Chen S, Chen Y, Cruaud A, Ding YY, Dunn DW, Gao Q, Gilmartin PM, Jiang K, Kjellberg F, Li HQ, Li YY, Liu JQ, Liu M, Machado CA, Ming R, Rasplus JY, Tong X, Wen P, Yang HM, Yang JJ, Yin Y, Zhang XT, Zhang YY, Yu H, Yue Z, Compton SG, Chen XY. Molecular mechanisms of mutualistic and antagonistic interactions in a plant-pollinator association. Nat Ecol Evol 2021; 5:974-986. [PMID: 34002050 DOI: 10.1038/s41559-021-01469-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 04/20/2021] [Indexed: 02/06/2023]
Abstract
Many insects metamorphose from antagonistic larvae into mutualistic adult pollinators, with reciprocal adaptation leading to specialized insect-plant associations. It remains unknown how such interactions are established at molecular level. Here we assemble high-quality genomes of a fig species, Ficus pumila var. pumila, and its specific pollinating wasp, Wiebesia pumilae. We combine multi-omics with validation experiments to reveal molecular mechanisms underlying this specialized interaction. In the plant, we identify the specific compound attracting pollinators and validate the function of several key genes regulating its biosynthesis. In the pollinator, we find a highly reduced number of odorant-binding protein genes and an odorant-binding protein mainly binding the attractant. During antagonistic interaction, we find similar chemical profiles and turnovers throughout the development of galled ovules and seeds, and a significant contraction of detoxification-related gene families in the pollinator. Our study identifies some key genes bridging coevolved mutualists, establishing expectations for more diffuse insect-pollinator systems.
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Affiliation(s)
- Rong Wang
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China.,Shanghai Institute of Pollution Control and Ecological Security, Shanghai, China
| | - Yang Yang
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Yi Jing
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | - Simon T Segar
- Agriculture and Environment Department, Harper Adams University, Newport, UK
| | - Yu Zhang
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Gang Wang
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, China
| | - Jin Chen
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, China
| | | | - Shan Chen
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Yan Chen
- Ecological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University, Mianyang, China
| | | | - Yuan-Yuan Ding
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Derek W Dunn
- College of Life Sciences, Northwest University, Xi'an, China
| | - Qiang Gao
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | - Philip M Gilmartin
- Department of Biological and Marine Science, University of Hull, Hull, UK
| | - Kai Jiang
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Finn Kjellberg
- CEFE, CNRS, University of Montpellier, Paul Valéry University Montpellier, EPHE, IRD, Montpellier, France
| | - Hong-Qing Li
- School of Life Sciences, East China Normal University, Shanghai, China
| | - Yuan-Yuan Li
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Jian-Quan Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Min Liu
- School of Life Sciences, Guangzhou University, Guangzhou, China
| | - Carlos A Machado
- Department of Biology, University of Maryland, College Park, MD, USA
| | - Ray Ming
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | | | - Xin Tong
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Ping Wen
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, China
| | | | - Jing-Jun Yang
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Ye Yin
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | - Xing-Tan Zhang
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Corps, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yuan-Ye Zhang
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, China
| | - Hui Yu
- Key Laboratory of Plant Resource Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China. .,School of Life Sciences, Qufu Normal University, Qufu, China.
| | - Zhen Yue
- BGI Genomics, BGI-Shenzhen, Shenzhen, China.
| | | | - Xiao-Yong Chen
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China. .,Shanghai Institute of Pollution Control and Ecological Security, Shanghai, China.
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5
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Anand PP, Ramani N. Dynamics of limited neoplastic growth on Pongamia pinnata (L.) (Fabaceae) leaf, induced by Aceria pongamiae (Acari: Eriophyidae). BMC PLANT BIOLOGY 2021; 21:1. [PMID: 33386069 PMCID: PMC7777452 DOI: 10.1186/s12870-020-02777-7] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 12/02/2020] [Indexed: 05/19/2023]
Abstract
BACKGROUND Galls or the neoplastic growth on plants result from a complex type of interaction between the inducers (Acari, Insects, Microbes and Nematodes) and plants. The present study sheds light on the gall inducing habit of a highly host specific eriophyid mite, Aceria pongamiae, on the leaves of Pongamia pinnata leading to the production of abnormal pouch like outgrowths on the adaxial and abaxial surfaces of the foliage. Each leaf gall is a highly complex, irregular massive structure, and the formation of which often leads to complete destruction of leaves, especially during heavy mite infestation, and thereby adversely affecting the physiology and growth of the host plant. RESULTS The study was carried out by making comparative observations on FE-SEM histological sections of galls representing four different growth stages categorized on the basis of difference in age groups. Apart from variations in cell metaplasia, a dramatic change was observed in the abaxial-adaxial polarity of the laminar surfaces also throughout the developmental sequence of galls, in all the four growth stages. Significant variations could be observed in the anti-oxidative potency as well as elemental composition in the all the four age groups of galls, and also revealed ATR-FTIR pattern of gall formation. CONCLUSION Being the first attempt to unravel the mystery of gall induction by eriophyids in general and by A. pongamiae in particular, on its host plant P.pinnata, by shedding light on the structural and histological alterations taking place during leaf gall formation under the influence of the mite, the current study is to be treated as the model of plant-animal interactive system.
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Affiliation(s)
- P P Anand
- Division of Acarology, Department of Zoology, University of Calicut, Malappuram, Kerala, 673 635, India.
| | - N Ramani
- Division of Acarology, Department of Zoology, University of Calicut, Malappuram, Kerala, 673 635, India.
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6
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Tooker JF, Giron D. The Evolution of Endophagy in Herbivorous Insects. FRONTIERS IN PLANT SCIENCE 2020; 11:581816. [PMID: 33250909 PMCID: PMC7673406 DOI: 10.3389/fpls.2020.581816] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 10/08/2020] [Indexed: 06/12/2023]
Abstract
Herbivorous feeding inside plant tissues, or endophagy, is a common lifestyle across Insecta, and occurs in insect taxa that bore, roll, tie, mine, gall, or otherwise modify plant tissues so that the tissues surround the insects while they are feeding. Some researchers have developed hypotheses to explain the adaptive significance of certain endophytic lifestyles (e.g., miners or gallers), but we are unaware of previous efforts to broadly characterize the adaptive significance of endophagy more generally. To fill this knowledge gap, we characterized the limited set of evolutionary selection pressures that could have encouraged phytophagous insects to feed inside plants, and then consider how these factors align with evidence for endophagy in the evolutionary history of orders of herbivorous insects. Reviewing the occurrence of endophytic taxa of various feeding guilds reveals that the pattern of evolution of endophagy varies strongly among insect orders, in some cases being an ancestral trait (e.g., Coleoptera and Lepidoptera) while being more derived in others (e.g., Diptera). Despite the large diversity of endophagous lifestyles and evolutionary trajectories that have led to endophagy in insects, our consideration of selection pressures leads us to hypothesize that nutritionally based factors may have had a stronger influence on evolution of endophagy than other factors, but that competition, water conservation, and natural enemies may have played significant roles in the development of endophagy.
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Affiliation(s)
- John F. Tooker
- Department of Entomology, The Pennsylvania State University, University Park, PA, United States
| | - David Giron
- Institut de Recherche sur la Biologie de l’Insecte, UMR 7261, CNRS/Université de Tours, Parc Grandmont, Tours, France
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7
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Favery B, Dubreuil G, Chen MS, Giron D, Abad P. Gall-Inducing Parasites: Convergent and Conserved Strategies of Plant Manipulation by Insects and Nematodes. ANNUAL REVIEW OF PHYTOPATHOLOGY 2020; 58:1-22. [PMID: 32853101 DOI: 10.1146/annurev-phyto-010820-012722] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Gall-inducing insects and nematodes engage in sophisticated interactions with their host plants. These parasites can induce major morphological and physiological changes in host roots, leaves, and other tissues. Sedentary endoparasitic nematodes, root-knot and cyst nematodes in particular, as well as gall-inducing and leaf-mining insects, manipulate plant development to form unique organs that provide them with food from feeding cells. Sometimes, infected tissues may undergo a developmental switch resulting in the formation of aberrant and spectacular structures (clubs or galls). We describe here the complex interactions between these plant-reprogramming sedentary endoparasites and their infected hosts, focusing on similarities between strategies of plant manipulation. We highlight progress in our understanding of the host plant response to infection and focus on the nematode and insect molecules secreted in planta. We suggest thatlooking at similarities may identify convergent and conserved strategies and shed light on the promise they hold for the development of new management strategies in agriculture and forestry.
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Affiliation(s)
- Bruno Favery
- INRAE, CNRS, Université Côte d'Azur, ISA, F-06600 Sophia-Antipolis, France;
| | - Géraldine Dubreuil
- Institut de Recherche sur la Biologie de l'Insecte, CNRS, Université de Tours, UMR 7261, 37200 Tours, France;
| | - Ming-Shun Chen
- USDA-ARS and Department of Entomology, Kansas State University, Manhattan, Kansas 66506, USA
| | - David Giron
- Institut de Recherche sur la Biologie de l'Insecte, CNRS, Université de Tours, UMR 7261, 37200 Tours, France;
| | - Pierre Abad
- INRAE, CNRS, Université Côte d'Azur, ISA, F-06600 Sophia-Antipolis, France;
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8
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Andreas P, Kisiala A, Emery RJN, De Clerck-Floate R, Tooker JF, Price PW, Miller III DG, Chen MS, Connor EF. Cytokinins Are Abundant and Widespread Among Insect Species. PLANTS (BASEL, SWITZERLAND) 2020; 9:E208. [PMID: 32041320 PMCID: PMC7076654 DOI: 10.3390/plants9020208] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/29/2020] [Accepted: 01/31/2020] [Indexed: 01/09/2023]
Abstract
Cytokinins (CKs) are a class of compounds that have long been thought to be exclusively plant growth regulators. Interestingly, some species of phytopathogenic bacteria and fungi have been shown to, and gall-inducing insects have been hypothesized to, produce CKs and use them to manipulate their host plants. We used high performance liquid chromatography-electrospray ionization tandem mass spectrometry (HPLC-MS/MS) to examine concentrations of a wide range of CKs in 17 species of phytophagous insects, including gall- and non-gall-inducing species from all six orders of Insecta that contain species known to induce galls: Thysanoptera, Hemiptera, Lepidoptera, Coleoptera, Diptera, and Hymenoptera. We found CKs in all six orders of insects, and they were not associated exclusively with gall-inducing species. We detected 24 different CK analytes, varying in their chemical structure and biological activity. Isoprenoid precursor nucleotide and riboside forms of trans-zeatin (tZ) and isopentenyladenine (iP) were most abundant and widespread across the surveyed insect species. Notably, the observed concentrations of CKs often markedly exceeded those reported in plants suggesting that insects are synthesizing CKs rather than obtaining them from the host plant via tissue consumption, compound sequestration, and bioaccumulation. These findings support insect-derived CKs as means for gall-inducing insects to manipulate their host plant to facilitate cell proliferation, and for both gall- and non-gall-inducing insects to modify nutrient flux and plant defenses during herbivory. Furthermore, wide distribution of CKs across phytophagous insects, including non-gall-inducing species, suggests that insect-borne CKs could be involved in manipulation of source-sink mechanisms of nutrient allocation to sustain the feeding site and altering plant defensive responses, rather than solely gall induction. Given the absence of any evidence for genes in the de novo CK biosynthesis pathway in insects, we postulate that the tRNA-ipt pathway is responsible for CK production. However, the unusually high concentrations of CKs in insects, and the tendency toward dominance of their CK profiles by tZ and iP suggest that the tRNA-ipt pathway functions differently and substantially more efficiently in insects than in plants.
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Affiliation(s)
- Peter Andreas
- Department of Biology, Trent University, Peterborough, ON K9J 7B8, Canada; (P.A.); (A.K.); (R.J.N.E.)
| | - Anna Kisiala
- Department of Biology, Trent University, Peterborough, ON K9J 7B8, Canada; (P.A.); (A.K.); (R.J.N.E.)
| | - R. J. Neil Emery
- Department of Biology, Trent University, Peterborough, ON K9J 7B8, Canada; (P.A.); (A.K.); (R.J.N.E.)
| | | | - John F. Tooker
- Department of Entomology, The Pennsylvania State University, University Park, PA 16802, USA;
| | - Peter W. Price
- Department of Ecology and Evolutionary Biology, Northern Arizona University, Flagstaff, AZ 86001, USA;
| | - Donald G. Miller III
- Department of Biological Sciences, California State University, Chico, CA 95929, USA;
| | - Ming-Shun Chen
- USDA-ARS and Department of Entomology, Kansas State University, Manhattan, KS 66506, USA;
| | - Edward F. Connor
- Department of Biology, San Francisco State University, San Francisco, CA 94132, USA
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9
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Noman A, Aqeel M, Qasim M, Haider I, Lou Y. Plant-insect-microbe interaction: A love triangle between enemies in ecosystem. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 699:134181. [PMID: 31520944 DOI: 10.1016/j.scitotenv.2019.134181] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/28/2019] [Accepted: 08/28/2019] [Indexed: 05/20/2023]
Abstract
In natural ecosystems, plants interact with biotic components such as microbes, insects, animals and other plants as well. Generally, researchers have focused on each interaction separately, which condenses the significance of the interaction. This limited presentation of the facts masks the collective role of constantly interacting organisms in complex communities disturbing not only plant responses but also the response of organisms for each other in natural ecological settings. Beneficial microorganisms interact with insect herbivores, their predators and pollinators in a bidirectional way through the plant. Fascinatingly, insects employ diverse tactics to protect themselves from parasites or predators. Influences of microbial and insects attack on plants can bring changes in info-chemical frameworks and play a role in the food chain also. After insect herbivory and microbial pathogenesis, plants exhibit intense morpho-physiological and chemical reprogramming that leads to repellence/attraction of attacking organism or its natural enemy. The characterization of such interactions in different ecosystems is receiving due consideration, and underlying molecular and physiological mechanisms must be the point of concentration to unveil the evolution of multifaceted multitrophic interactions. Therefore, we have focused this phenomenon in a more realistic setting by integrating ecology and physiology to portray these multidimensional interfaces. We have shown, in this article, physiological trajectories in plant-microbe and insect relationship and their ecological relevance in nature. We focus and discuss microbial pathogenesis in plants, induced defense and the corresponding behavior of herbivore insects and vice-versa. It is hoped that this review will stimulate interest and zeal in microbes mediated plant-insect interactions along with their ecological consequences and encourage scientists to accept the challenges in this field.
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Affiliation(s)
- Ali Noman
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China; Department of Botany, Government College University, Faisalabad 38040, Pakistan.
| | - Muhammad Aqeel
- State Key Laboratory of Grassland Agro-ecosystems, School of Life Sciences, Lanzhou University, Lanzhou 730000, Gansu, PR China
| | - Muhammad Qasim
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China
| | - Ijaz Haider
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China; Department of Entomology, University of Agriculture, Faisalabad 38040, Pakistan
| | - Yonggen Lou
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, PR China.
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10
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Shih TH, Lin SH, Huang MY, Sun CW, Yang CM. Transcriptome profile of cup-shaped galls in Litsea acuminata leaves. PLoS One 2018; 13:e0205265. [PMID: 30356295 PMCID: PMC6200225 DOI: 10.1371/journal.pone.0205265] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Accepted: 09/22/2018] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Insect galls are atypical plant tissues induced by the invasion of insects. Compared to the host leaf, gall tissues lose photosynthetic ability, but have higher soluble sugar content. Although the physiological and biochemical regulation of gall tissues have been demonstrated, the mechanism of genetic regulation has only been analyzed in few studies. RESULTS In this study, the transcriptome of cup-shaped galls and its host leaf were de novo assembled. Cellular functional enrichment and differentially expressed gene groups in the gall tissues were analyzed. The genes associated with primary metabolism, including photosynthesis, cell wall turnover, and sugar degradation, were expressed differently in galls and leaves. The examination of gene expression demonstrated that the genes involved in brassinosteroid synthesis and responses exhibited a remarkable modulation in cup-shaped galls, suggesting a potential role of steroid hormones in regulating gall development. CONCLUSIONS This study revealed the genetic responses, including those involved in source-sink reallocation and phytohormone metabolism, of galls induced by a dipteran insect.
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Affiliation(s)
- Tin-Han Shih
- Biodiversity Research Center, Academia Sinica, Nankang, Taipei, Taiwan
| | - Szu-Hsien Lin
- Biodiversity Research Center, Academia Sinica, Nankang, Taipei, Taiwan
| | - Meng-Yuan Huang
- Department of Horticulture and Biotechnology, Chinese Culture University, Shihlin, Taipei, Taiwan
| | - Chih-Wen Sun
- Department of Life Science, National Taiwan Normal University, Wenshan, Taipei, Taiwan
| | - Chi-Ming Yang
- Biodiversity Research Center, Academia Sinica, Nankang, Taipei, Taiwan
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11
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Brütting C, Crava CM, Schäfer M, Schuman MC, Meldau S, Adam N, Baldwin IT. Cytokinin transfer by a free-living mirid to Nicotiana attenuata recapitulates a strategy of endophytic insects. eLife 2018; 7:e36268. [PMID: 30014847 PMCID: PMC6059766 DOI: 10.7554/elife.36268] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 07/05/2018] [Indexed: 11/13/2022] Open
Abstract
Endophytic insects provide the textbook examples of herbivores that manipulate their host plant's physiology, putatively altering source/sink relationships by transferring cytokinins (CK) to create 'green islands' that increase the nutritional value of infested tissues. However, unambiguous demonstrations of CK transfer are lacking. Here we show that feeding by the free-living herbivore Tupiocoris notatus on Nicotiana attenuata is characterized by stable nutrient levels, increased CK levels and alterations in CK-related transcript levels in attacked leaves, in striking similarity to endophytic insects. Using 15N-isotope labeling, we demonstrate that the CK N6-isopentenyladenine (IP) is transferred from insects to plants via their oral secretions. In the field, T. notatus preferentially attacks leaves with transgenically increased CK levels; plants with abrogated CK-perception are less tolerant of T. notatus feeding damage. We infer that this free-living insect uses CKs to manipulate source/sink relationships to increase food quality and minimize the fitness consequences of its feeding.
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Affiliation(s)
- Christoph Brütting
- Department of Molecular EcologyMax Planck Institute for Chemical EcologyJenaGermany
| | - Cristina Maria Crava
- Department of Molecular EcologyMax Planck Institute for Chemical EcologyJenaGermany
| | - Martin Schäfer
- Department of Molecular EcologyMax Planck Institute for Chemical EcologyJenaGermany
| | - Meredith C Schuman
- Department of Molecular EcologyMax Planck Institute for Chemical EcologyJenaGermany
- German Centre for Integrative Biodiversity ResearchLeipzigGermany
| | - Stefan Meldau
- Department of Molecular EcologyMax Planck Institute for Chemical EcologyJenaGermany
| | - Nora Adam
- Department of Molecular EcologyMax Planck Institute for Chemical EcologyJenaGermany
- German Centre for Integrative Biodiversity ResearchLeipzigGermany
| | - Ian T Baldwin
- Department of Molecular EcologyMax Planck Institute for Chemical EcologyJenaGermany
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12
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Zhang H, Guiguet A, Dubreuil G, Kisiala A, Andreas P, Emery RJN, Huguet E, Body M, Giron D. Dynamics and origin of cytokinins involved in plant manipulation by a leaf-mining insect. INSECT SCIENCE 2017; 24:1065-1078. [PMID: 28636152 DOI: 10.1111/1744-7917.12500] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 05/03/2017] [Accepted: 06/08/2017] [Indexed: 05/22/2023]
Abstract
Several herbivorous insects and plant-associated microorganisms control the phytohormonal balance, thus enabling them to successfully exploit the plant by inhibiting plant defenses and withdrawing plant resources for their own benefit. The leaf-mining moth Phyllonorycter blancardella modifies the cytokinin (CK) profile of mined leaf-tissues, and the insect symbiotic bacteria Wolbachia is involved in the plant manipulation to the benefit of the insect host. To gain a deeper understanding into the possible origin and dynamics of CKs, we conducted an extensive characterization of CKs in larvae and in infected apple leaves. Our results show the enhanced CK levels in mines, both on green and yellow leaves, allowing insects to control their nutritional supply under fluctuating environmental conditions. The spatial distribution of CKs within the mined leaves shows that hormone manipulation is strictly limited to the mine suggesting the absence of CK translocation from distant leaf areas toward the insect feeding site. Mass spectrometry analyses reveal that major CK types accumulating in mines and larvae are similar to what is observed for most gall-inducers, suggesting that strategies underlying the plant manipulation may be shared between herbivorous insects with distinct life histories. Results further show that CKs are detected in the highest levels in larvae, reinforcing our hypothesis that CKs accumulating in the mines originate from the insect itself. Presence of bacteria-specific methylthio-CKs is consistent with previous results suggesting that insect bacterial symbionts contribute to the observed phenotype. Our study provides key findings toward the understanding of molecular mechanisms underlying this intricate plant-insect-microbe interaction.
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Affiliation(s)
- Hui Zhang
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS/Université François-Rabelais de Tours, Tours, France
| | - Antoine Guiguet
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS/Université François-Rabelais de Tours, Tours, France
- Département de Biologie, École Normale Supérieure de Lyon, Lyon, France
- Department of Life and Environmental Sciences, Kyoto Prefectural University, Kyoto, Japan
| | - Géraldine Dubreuil
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS/Université François-Rabelais de Tours, Tours, France
| | - Anna Kisiala
- Department of Biology, Trent University, Peterborough, Canada
| | - Peter Andreas
- Department of Biology, Trent University, Peterborough, Canada
| | - R J Neil Emery
- Department of Biology, Trent University, Peterborough, Canada
| | - Elisabeth Huguet
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS/Université François-Rabelais de Tours, Tours, France
| | - Mélanie Body
- Division of Plant Sciences, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, USA
| | - David Giron
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS/Université François-Rabelais de Tours, Tours, France
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13
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Daudu D, Allion E, Liesecke F, Papon N, Courdavault V, Dugé de Bernonville T, Mélin C, Oudin A, Clastre M, Lanoue A, Courtois M, Pichon O, Giron D, Carpin S, Giglioli-Guivarc’h N, Crèche J, Besseau S, Glévarec G. CHASE-Containing Histidine Kinase Receptors in Apple Tree: From a Common Receptor Structure to Divergent Cytokinin Binding Properties and Specific Functions. FRONTIERS IN PLANT SCIENCE 2017; 8:1614. [PMID: 28979279 PMCID: PMC5611679 DOI: 10.3389/fpls.2017.01614] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 09/04/2017] [Indexed: 05/07/2023]
Abstract
Cytokinin signaling is a key regulatory pathway of many aspects in plant development and environmental stresses. Herein, we initiated the identification and functional characterization of the five CHASE-containing histidine kinases (CHK) in the economically important Malus domestica species. These cytokinin receptors named MdCHK2, MdCHK3a/MdCHK3b, and MdCHK4a/MdCHK4b by homology with Arabidopsis AHK clearly displayed three distinct profiles. The three groups exhibited architectural variations, especially in the N-terminal part including the cytokinin sensing domain. Using a yeast complementation assay, we showed that MdCHK2 perceives a broad spectrum of cytokinins with a substantial sensitivity whereas both MdCHK4 homologs exhibit a narrow spectrum. Both MdCHK3 homologs perceived some cytokinins but surprisingly they exhibited a basal constitutive activity. Interaction studies revealed that MdCHK2, MdCHK4a, and MdCHK4b homodimerized whereas MdCHK3a and MdCHK3b did not. Finally, qPCR analysis and bioinformatics approach pointed out contrasted expression patterns among the three MdCHK groups as well as distinct sets of co-expressed genes. Our study characterized for the first time the five cytokinin receptors in apple tree and provided a framework for their further functional studies.
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Affiliation(s)
- Dimitri Daudu
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Elsa Allion
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Franziska Liesecke
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Nicolas Papon
- EA 3142 Groupe d’Etude des Interactions Hôte-Pathogène, Université AngersAngers, France
| | - Vincent Courdavault
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | | | - Céline Mélin
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Audrey Oudin
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Marc Clastre
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Arnaud Lanoue
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Martine Courtois
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Olivier Pichon
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - David Giron
- UMR 7261 Institut de Recherche sur la Biologie de l’Insecte, Centre National de la Recherche Scientifique (CNRS), Université François-RabelaisTours, France
| | - Sabine Carpin
- EA 1207 Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d’OrléansOrléans, France
| | | | - Joël Crèche
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Sébastien Besseau
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
| | - Gaëlle Glévarec
- EA 2106 Biomolécules et Biotechnologies Végétales, Université François-RabelaisTours, France
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14
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Shikano I, Rosa C, Tan CW, Felton GW. Tritrophic Interactions: Microbe-Mediated Plant Effects on Insect Herbivores. ANNUAL REVIEW OF PHYTOPATHOLOGY 2017; 55:313-331. [PMID: 28590879 DOI: 10.1146/annurev-phyto-080516-035319] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
It is becoming abundantly clear that the microbes associated with plants and insects can profoundly influence plant-insect interactions. Here, we focus on recent findings and propose directions for future research that involve microbe-induced changes to plant defenses and nutritive quality as well as the consequences of these changes for the behavior and fitness of insect herbivores. Insect (herbivore and parasitoid)-associated microbes can favor or improve insect fitness by suppressing plant defenses and detoxifying defensive phytochemicals. Phytopathogens can influence or manipulate insect behavior and fitness by altering plant quality and defense. Plant-beneficial microbes can promote plant growth and influence plant nutritional and phytochemical composition that can positively or negatively influence insect fitness. Lastly, we suggest that entomopathogens have the potential to influence plant defenses directly as endophytes or indirectly by altering insect physiology.
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Affiliation(s)
- Ikkei Shikano
- Department of Entomology and Center for Chemical Ecology, Pennsylvania State University, University Park, Pennsylvania 16802;
| | - Cristina Rosa
- Department of Plant Pathology and Environmental Microbiology, Pennsylvania State University, University Park, Pennsylvania 16802
| | - Ching-Wen Tan
- Department of Entomology and Center for Chemical Ecology, Pennsylvania State University, University Park, Pennsylvania 16802;
| | - Gary W Felton
- Department of Entomology and Center for Chemical Ecology, Pennsylvania State University, University Park, Pennsylvania 16802;
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15
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Navarro Gallón SM, Elejalde-Palmett C, Daudu D, Liesecke F, Jullien F, Papon N, Dugé de Bernonville T, Courdavault V, Lanoue A, Oudin A, Glévarec G, Pichon O, Clastre M, St-Pierre B, Atehortùa L, Yoshikawa N, Giglioli-Guivarc'h N, Besseau S. Virus-induced gene silencing of the two squalene synthase isoforms of apple tree (Malus × domestica L.) negatively impacts phytosterol biosynthesis, plastid pigmentation and leaf growth. PLANTA 2017; 246:45-60. [PMID: 28349256 DOI: 10.1007/s00425-017-2681-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 03/17/2017] [Indexed: 05/24/2023]
Abstract
The use of a VIGS approach to silence the newly characterized apple tree SQS isoforms points out the biological function of phytosterols in plastid pigmentation and leaf development. Triterpenoids are beneficial health compounds highly accumulated in apple; however, their metabolic regulation is poorly understood. Squalene synthase (SQS) is a key branch point enzyme involved in both phytosterol and triterpene biosynthesis. In this study, two SQS isoforms were identified in apple tree genome. Both isoforms are located at the endoplasmic reticulum surface and were demonstrated to be functional SQS enzymes using an in vitro activity assay. MdSQS1 and MdSQS2 display specificities in their expression profiles with respect to plant organs and environmental constraints. This indicates a possible preferential involvement of each isoform in phytosterol and/or triterpene metabolic pathways as further argued using RNAseq meta-transcriptomic analyses. Finally, a virus-induced gene silencing (VIGS) approach was used to silence MdSQS1 and MdSQS2. The concomitant down-regulation of both MdSQS isoforms strongly affected phytosterol synthesis without alteration in triterpene accumulation, since triterpene-specific oxidosqualene synthases were found to be up-regulated to compensate metabolic flux reduction. Phytosterol deficiencies in silenced plants clearly disturbed chloroplast pigmentation and led to abnormal development impacting leaf division rather than elongation or differentiation. In conclusion, beyond the characterization of two SQS isoforms in apple tree, this work brings clues for a specific involvement of each isoform in phytosterol and triterpene pathways and emphasizes the biological function of phytosterols in development and chloroplast integrity. Our report also opens the door to metabolism studies in Malus domestica using the apple latent spherical virus-based VIGS method.
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Affiliation(s)
- Sandra M Navarro Gallón
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
- Laboratorio de Biotecnologıa, Sede de Investigacion Universitaria, Universidad de Antioquia, Medellin, Colombia
| | - Carolina Elejalde-Palmett
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Dimitri Daudu
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Franziska Liesecke
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Frédéric Jullien
- EA3061 Laboratoire de Biotechnologies Végétales appliquées aux plantes aromatiques et médicinales, Université Jean Monnet de Saint Etienne, Saint Etienne, France
| | - Nicolas Papon
- EA3142 Groupe d'Etude des Interactions Hôte-Pathogène, Université d'Angers, Angers, France
| | | | - Vincent Courdavault
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Arnaud Lanoue
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Audrey Oudin
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Gaëlle Glévarec
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Olivier Pichon
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Marc Clastre
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Benoit St-Pierre
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France
| | - Lucia Atehortùa
- Laboratorio de Biotecnologıa, Sede de Investigacion Universitaria, Universidad de Antioquia, Medellin, Colombia
| | | | | | - Sébastien Besseau
- EA2106 Biomolécules et Biotechnologies Végétales, Université François Rabelais de Tours, Tours, France.
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16
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Oates CN, Denby KJ, Myburg AA, Slippers B, Naidoo S. Insect Gallers and Their Plant Hosts: From Omics Data to Systems Biology. Int J Mol Sci 2016; 17:E1891. [PMID: 27869732 PMCID: PMC5133890 DOI: 10.3390/ijms17111891] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 10/28/2016] [Accepted: 11/04/2016] [Indexed: 12/30/2022] Open
Abstract
Gall-inducing insects are capable of exerting a high level of control over their hosts' cellular machinery to the extent that the plant's development, metabolism, chemistry, and physiology are all altered in favour of the insect. Many gallers are devastating pests in global agriculture and the limited understanding of their relationship with their hosts prevents the development of robust management strategies. Omics technologies are proving to be important tools in elucidating the mechanisms involved in the interaction as they facilitate analysis of plant hosts and insect effectors for which little or no prior knowledge exists. In this review, we examine the mechanisms behind insect gall development using evidence from omics-level approaches. The secretion of effector proteins and induced phytohormonal imbalances are highlighted as likely mechanisms involved in gall development. However, understanding how these components function within the system is far from complete and a number of questions need to be answered before this information can be used in the development of strategies to engineer or breed plants with enhanced resistance.
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Affiliation(s)
- Caryn N Oates
- Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), Genomics Research Institute (GRI), University of Pretoria, Private Bag x20, Pretoria 0028, South Africa.
| | - Katherine J Denby
- Department of Biology, University of York, Wentworth Way, York YO10 5DD, UK.
| | - Alexander A Myburg
- Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), Genomics Research Institute (GRI), University of Pretoria, Private Bag x20, Pretoria 0028, South Africa.
| | - Bernard Slippers
- Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), Genomics Research Institute (GRI), University of Pretoria, Private Bag x20, Pretoria 0028, South Africa.
| | - Sanushka Naidoo
- Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), Genomics Research Institute (GRI), University of Pretoria, Private Bag x20, Pretoria 0028, South Africa.
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17
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Schäfer M, Brütting C, Baldwin IT, Kallenbach M. High-throughput quantification of more than 100 primary- and secondary-metabolites, and phytohormones by a single solid-phase extraction based sample preparation with analysis by UHPLC-HESI-MS/MS. PLANT METHODS 2016; 12:30. [PMID: 27239220 PMCID: PMC4882772 DOI: 10.1186/s13007-016-0130-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 05/12/2016] [Indexed: 05/20/2023]
Abstract
BACKGROUND Plant metabolites are commonly functionally classified, as defense- or growth-related phytohormones, primary and specialized metabolites, and so forth. Analytical procedures for the quantifications of these metabolites are challenging because the metabolites can vary over several orders of magnitude in concentrations in the same tissues and have very different chemical characteristics. Plants clearly adjust their metabolism to respond to their prevailing circumstances in very sophisticated ways that blur the boundaries among these functional or chemically defined classifications. But if plant biologists want to better understand the processes that are important for a plant's adaptation to its environment, procedures are needed that can provide simultaneous quantifications of the large range of metabolites that have the potential to play central roles in these adjustments in a cost and time effective way and with a low sample consumption. RESULTS Here we present a method that combines well-established methods for the targeted analysis of phytohormones, including jasmonates, salicylic acid, abscisic acid, gibberellins, auxins and cytokinins, and extends it to the analysis of inducible and constitutive defense compounds, as well as the primary metabolites involved in the biosynthesis of specialized metabolites and responsible for nutritional quality (e.g., sugars and amino acids). The method is based on a single extraction of 10-100 mg of tissue and allows a broad quantitative screening of metabolites optimized by their chemical characteristics and concentrations, thereby providing a high throughput analysis unbiased by the putative functional attributes of the metabolites. The tissues of Nicotiana attenuata which accumulate high levels of nicotine and diterpene glycosides, provide a challenging matrix that thwarts quantitative analysis; the analysis of various tissues of this plant are used to illustrate the robustness of the procedure. CONCLUSIONS The method described has the potential to unravel various, until now overlooked interactions among different sectors of plant metabolism in a high throughput manner. Additionally, the method could be particularly beneficial as screening method in forward genetic approaches, as well as for the investigation of plants from natural populations that likely differ in metabolic traits.
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Affiliation(s)
- Martin Schäfer
- Department of Molecular Ecology, Max-Planck-Institute for Chemical Ecology, Hans-Knöll-Str. 8, 07745 Jena, Germany
| | - Christoph Brütting
- Department of Molecular Ecology, Max-Planck-Institute for Chemical Ecology, Hans-Knöll-Str. 8, 07745 Jena, Germany
| | - Ian T. Baldwin
- Department of Molecular Ecology, Max-Planck-Institute for Chemical Ecology, Hans-Knöll-Str. 8, 07745 Jena, Germany
| | - Mario Kallenbach
- Department of Molecular Ecology, Max-Planck-Institute for Chemical Ecology, Hans-Knöll-Str. 8, 07745 Jena, Germany
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18
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Oliveira DC, Isaias RMS, Fernandes GW, Ferreira BG, Carneiro RGS, Fuzaro L. Manipulation of host plant cells and tissues by gall-inducing insects and adaptive strategies used by different feeding guilds. JOURNAL OF INSECT PHYSIOLOGY 2016; 84:103-113. [PMID: 26620152 DOI: 10.1016/j.jinsphys.2015.11.012] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 11/23/2015] [Accepted: 11/24/2015] [Indexed: 05/04/2023]
Abstract
Biologists who study insect-induced plant galls are faced with the overwhelming diversity of plant forms and insect species. A challenge is to find common themes amidst this diversity. We discuss common themes that have emerged from our cytological and histochemical studies of diverse neotropical insect-induced galls. Gall initiation begins with recognition of reactive plant tissues by gall inducers, with subsequent feeding and/or oviposition triggering a cascade of events. Besides, to induce the gall structure insects have to synchronize their life cycle with plant host phenology. We predict that reactive oxygen species (ROS) play a role in gall induction, development and histochemical gradient formation. Controlled levels of ROS mediate the accumulation of (poly)phenols, and phytohormones (such as auxin) at gall sites, which contributes to the new cell developmental pathways and biochemical alterations that lead to gall formation. The classical idea of an insect-induced gall is a chamber lined with a nutritive tissue that is occupied by an insect that directly harvests nutrients from nutritive cells via its mouthparts, which function mechanically and/or as a delivery system for salivary secretions. By studying diverse gall-inducing insects we have discovered that insects with needle-like sucking mouthparts may also induce a nutritive tissue, whose nutrients are indirectly harvested as the gall-inducing insects feeds on adjacent vascular tissues. Activity of carbohydrate-related enzymes across diverse galls corroborates this hypothesis. Our research points to the importance of cytological and histochemical studies for elucidating mechanisms of induced susceptibility and induced resistance.
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Affiliation(s)
- D C Oliveira
- Universidade Federal de Uberlândia (UFU), Instituto de Biologia (INBIO), Campus Umuarama, Caixa Postal 593, Av. Pará 1720, CEP 38400-902 Uberlândia, MG, Brazil.
| | - R M S Isaias
- Universidade Federal de Minas Gerais (UFMG), Instituto de Ciências Biológicas, Departamento de Botânica, Av. Antônio Carlos 6627, Caixa Postal 486, Pampulha, CEP 31270-901 Belo Horizonte, MG, Brazil.
| | - G W Fernandes
- Ecologia Evolutiva & Biodiversidade/DBG, ICB/Universidade Federal de Minas Gerais, CP 486, 31270-901 Belo Horizonte, MG, Brazil; Department of Biology, Stanford University, Stanford, CA 94305, USA.
| | - B G Ferreira
- Universidade Federal de Minas Gerais (UFMG), Instituto de Ciências Biológicas, Departamento de Botânica, Av. Antônio Carlos 6627, Caixa Postal 486, Pampulha, CEP 31270-901 Belo Horizonte, MG, Brazil.
| | - R G S Carneiro
- Universidade Federal de Minas Gerais (UFMG), Instituto de Ciências Biológicas, Departamento de Botânica, Av. Antônio Carlos 6627, Caixa Postal 486, Pampulha, CEP 31270-901 Belo Horizonte, MG, Brazil; Universidade Federal de Goiás, Instituto de Ciências Biológicas 1, Departamento de Botânica, Sala 203. Avenida Esperança, s/n, Câmpus Samambaia. CEP 74.690-900 Goiânia, GO, Brazil.
| | - L Fuzaro
- Universidade Federal de Uberlândia (UFU), Instituto de Biologia (INBIO), Campus Umuarama, Caixa Postal 593, Av. Pará 1720, CEP 38400-902 Uberlândia, MG, Brazil.
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Shiratake K, Suzuki M. Omics studies of citrus, grape and rosaceae fruit trees. BREEDING SCIENCE 2016; 66:122-38. [PMID: 27069397 PMCID: PMC4780796 DOI: 10.1270/jsbbs.66.122] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 11/01/2015] [Indexed: 05/06/2023]
Abstract
Recent advance of bioinformatics and analytical apparatuses such as next generation DNA sequencer (NGS) and mass spectrometer (MS) has brought a big wave of comprehensive study to biology. Comprehensive study targeting all genes, transcripts (RNAs), proteins, metabolites, hormones, ions or phenotypes is called genomics, transcriptomics, proteomics, metabolomics, hormonomics, ionomics or phenomics, respectively. These omics are powerful approaches to identify key genes for important traits, to clarify events of physiological mechanisms and to reveal unknown metabolic pathways in crops. Recently, the use of omics approach has increased dramatically in fruit tree research. Although the most reported omics studies on fruit trees are transcriptomics, proteomics and metabolomics, and a few is reported on hormonomics and ionomics. In this article, we reviewed recent omics studies of major fruit trees, i.e. citrus, grapevine and rosaceae fruit trees. The effectiveness and prospects of omics in fruit tree research will as well be highlighted.
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Affiliation(s)
- Katsuhiro Shiratake
- Graduate School of Bioagricultural Sciences, Nagoya University,
Chikusa, Nagoya, Aichi 464-8601,
Japan
- Corresponding author (e-mail: )
| | - Mami Suzuki
- Graduate School of Bioagricultural Sciences, Nagoya University,
Chikusa, Nagoya, Aichi 464-8601,
Japan
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20
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Pincebourde S, Casas J. Hypoxia and hypercarbia in endophagous insects: Larval position in the plant gas exchange network is key. JOURNAL OF INSECT PHYSIOLOGY 2016; 84:137-153. [PMID: 26188268 DOI: 10.1016/j.jinsphys.2015.07.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 06/12/2015] [Accepted: 07/03/2015] [Indexed: 05/04/2023]
Abstract
Gas composition is an important component of any micro-environment. Insects, as the vast majority of living organisms, depend on O2 and CO2 concentrations in the air they breathe. Low O2 (hypoxia), and high CO2 (hypercarbia) levels can have a dramatic effect. For phytophagous insects that live within plant tissues (endophagous lifestyle), gas is exchanged between ambient air and the atmosphere within the insect habitat. The insect larva contributes to the modification of this environment by expiring CO2. Yet, knowledge on the gas exchange network in endophagous insects remains sparse. Our study identified mechanisms that modulate gas composition in the habitat of endophagous insects. Our aim was to show that the mere position of the insect larva within plant tissues could be used as a proxy for estimating risk of occurrence of hypoxia and hypercarbia, despite the widely diverse life history traits of these organisms. We developed a conceptual framework for a gas diffusion network determining gas composition in endophagous insect habitats. We applied this framework to mines, galls and insect tunnels (borers) by integrating the numerous obstacles along O2 and CO2 pathways. The nature and the direction of gas transfers depended on the physical structure of the insect habitat, the photosynthesis activity as well as stomatal behavior in plant tissues. We identified the insect larva position within the gas diffusion network as a predictor of risk exposure to hypoxia and hypercarbia. We ranked endophagous insect habitats in terms of risk of exposure to hypoxia and/or hypercarbia, from the more to the less risky as cambium mines>borer tunnels≫galls>bark mines>mines in aquatic plants>upper and lower surface mines. Furthermore, we showed that the photosynthetically active tissues likely assimilate larval CO2 produced. In addition, temperature of the microhabitat and atmospheric CO2 alter gas composition in the insect habitat. We predict that (i) hypoxia indirectly favors the evolution of cold-tolerant gallers, which do not perform well at high temperatures, and (ii) normoxia (ambient O2 level) in mines allows miners to develop at high temperatures. Little is known, however, about physiological and morphological adaptations to hypoxia and hypercarbia in endophagous insects. Endophagy strongly constrains the diffusion processes with cascading consequences on the evolutionary ecology of endophagous insects.
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Affiliation(s)
- Sylvain Pincebourde
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS - Université François-Rabelais de Tours, 37200 Tours, France.
| | - Jérôme Casas
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS - Université François-Rabelais de Tours, 37200 Tours, France
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21
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Calderón-Cortés N, Uribe-Mú CA, Martínez-Méndez AK, Escalera-Vázquez LH, Cristobal-Pérez EJ, García-Oliva F, Quesada M. Ecosystem engineering and manipulation of host plant tissues by the insect borer Oncideres albomarginata chamela. JOURNAL OF INSECT PHYSIOLOGY 2016; 84:128-136. [PMID: 26654885 DOI: 10.1016/j.jinsphys.2015.10.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Revised: 10/29/2015] [Accepted: 10/30/2015] [Indexed: 06/05/2023]
Abstract
Ecosystem engineering by insect herbivores occurs as the result of structural modification of plants manipulated by insects. However, only few studies have evaluated the effect of these modifications on the plant responses induced by stem-borers that act as ecosystem engineers. In this study, we evaluated the responses induced by the herbivory of the twig-girdler beetle Oncideres albomarginata chamela (Cerambycidae: Lamiinae) on its host plant Spondias purpurea (Anacardiaceae), and its relationship with the ecosystem engineering process carried out by this stem-borer. Our results demonstrated that O. albomarginata chamela branch removal induced the development of lateral branches increasing the resources needed for the development of future insect generations, of its own offspring and of many other insect species. Detached branches represent habitats with high content of nitrogen and phosphorous, which eventually can be incorporated into the ecosystem, increasing nutrient cycling efficiency. Consequently, branch removal and the subsequent plant tissue regeneration induced by O. albomarginata chamela represent key mechanisms underlying the ecosystem engineering process carried out by this stem-borer, which enhances arthropod diversity in the ecosystem.
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Affiliation(s)
- Nancy Calderón-Cortés
- Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México, Mexico
| | - Claudia A Uribe-Mú
- Departamento de Ecología, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Mexico
| | - A Karen Martínez-Méndez
- Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México, Mexico
| | - Luis H Escalera-Vázquez
- Cátedras CONACYT-Instituto de Investigaciones sobre los Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Mexico
| | - E Jacob Cristobal-Pérez
- Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México, Mexico
| | - Felipe García-Oliva
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Mexico
| | - Mauricio Quesada
- Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México, Mexico; Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Mexico.
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22
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Schultz JC. Preface. JOURNAL OF INSECT PHYSIOLOGY 2016; 84:2-3. [PMID: 26809876 DOI: 10.1016/j.jinsphys.2015.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- Jack C Schultz
- Life Science Center, University of Missouri, Columbia, MO 65211, USA
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23
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Groen SC, Humphrey PT, Chevasco D, Ausubel FM, Pierce NE, Whiteman NK. Pseudomonas syringae enhances herbivory by suppressing the reactive oxygen burst in Arabidopsis. JOURNAL OF INSECT PHYSIOLOGY 2016. [PMID: 26205072 PMCID: PMC4721946 DOI: 10.1016/j.jinsphys.2015.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Plant-herbivore interactions have evolved in the presence of plant-colonizing microbes. These microbes can have important third-party effects on herbivore ecology, as exemplified by drosophilid flies that evolved from ancestors feeding on plant-associated microbes. Leaf-mining flies in the genus Scaptomyza, which is nested within the paraphyletic genus Drosophila, show strong associations with bacteria in the genus Pseudomonas, including Pseudomonas syringae. Adult females are capable of vectoring these bacteria between plants and larvae show a preference for feeding on P. syringae-infected leaves. Here we show that Scaptomyza flava larvae can also vector P. syringae to and from feeding sites, and that they not only feed more, but also develop faster on plants previously infected with P. syringae. Our genetic and physiological data show that P. syringae enhances S. flava feeding on infected plants at least in part by suppressing anti-herbivore defenses mediated by reactive oxygen species.
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Affiliation(s)
- Simon C Groen
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, United States; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, United States.
| | - Parris T Humphrey
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, United States.
| | - Daniela Chevasco
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, United States.
| | - Frederick M Ausubel
- Department of Genetics, Harvard Medical School, Boston, MA 02115, United States; Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114, United States.
| | - Naomi E Pierce
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, United States.
| | - Noah K Whiteman
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, United States; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, United States.
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Favery B, Quentin M, Jaubert-Possamai S, Abad P. Gall-forming root-knot nematodes hijack key plant cellular functions to induce multinucleate and hypertrophied feeding cells. JOURNAL OF INSECT PHYSIOLOGY 2016. [PMID: 26211599 DOI: 10.1016/j.jinsphys.2015.07.013] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Among plant-parasitic nematodes, the root-knot nematodes (RKNs) of the Meloidogyne spp. are the most economically important genus. RKN are root parasitic worms able to infect nearly all crop species and have a wide geographic distribution. During infection, RKNs establish and maintain an intimate relationship with the host plant. This includes the creation of a specialized nutritional structure composed of multinucleate and hypertrophied giant cells, which result from the redifferentiation of vascular root cells. Giant cells constitute the sole source of nutrients for the nematode and are essential for growth and reproduction. Hyperplasia of surrounding root cells leads to the formation of the gall or root-knot, an easily recognized symptom of plant infection by RKNs. Secreted effectors produced in nematode salivary glands and injected into plant cells through a specialized feeding structure called the stylet play a critical role in the formation of giant cells. Here, we describe the complex interactions between RKNs and their host plants. We highlight progress in understanding host plant responses, focusing on how RKNs manipulate key plant processes and functions, including cell cycle, defence, hormones, cellular scaffold, metabolism and transport.
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Affiliation(s)
- Bruno Favery
- INRA, UMR 1355 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; Univ. Nice Sophia Antipolis, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; CNRS, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France
| | - Michaël Quentin
- INRA, UMR 1355 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; Univ. Nice Sophia Antipolis, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; CNRS, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France
| | - Stéphanie Jaubert-Possamai
- INRA, UMR 1355 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; Univ. Nice Sophia Antipolis, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; CNRS, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France
| | - Pierre Abad
- INRA, UMR 1355 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; Univ. Nice Sophia Antipolis, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France; CNRS, UMR 7254 Institut Sophia Agrobiotech, 06900 Sophia-Antipolis, France.
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25
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Giron D, Huguet E, Stone GN, Body M. Insect-induced effects on plants and possible effectors used by galling and leaf-mining insects to manipulate their host-plant. JOURNAL OF INSECT PHYSIOLOGY 2016; 84:70-89. [PMID: 26723843 DOI: 10.1016/j.jinsphys.2015.12.009] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 12/21/2015] [Accepted: 12/22/2015] [Indexed: 05/04/2023]
Abstract
Gall-inducing insects are iconic examples in the manipulation and reprogramming of plant development, inducing spectacular morphological and physiological changes of host-plant tissues within which the insect feeds and grows. Despite decades of research, effectors involved in gall induction and basic mechanisms of gall formation remain unknown. Recent research suggests that some aspects of the plant manipulation shown by gall-inducers may be shared with other insect herbivorous life histories. Here, we illustrate similarities and contrasts by reviewing current knowledge of metabolic and morphological effects induced on plants by gall-inducing and leaf-mining insects, and ask whether leaf-miners can also be considered to be plant reprogrammers. We review key plant functions targeted by various plant reprogrammers, including plant-manipulating insects and nematodes, and functionally characterize insect herbivore-derived effectors to provide a broader understanding of possible mechanisms used in host-plant manipulation. Consequences of plant reprogramming in terms of ecology, coevolution and diversification of plant-manipulating insects are also discussed.
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Affiliation(s)
- David Giron
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS/Université François-Rabelais de Tours, Parc Grandmont, 37200 Tours, France.
| | - Elisabeth Huguet
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS/Université François-Rabelais de Tours, Parc Grandmont, 37200 Tours, France
| | - Graham N Stone
- Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 3JT, United Kingdom
| | - Mélanie Body
- Division of Plant Sciences, Christopher S. Bond Life Sciences Center, 1201 Rollins Street, University of Missouri, Columbia, MO 65211, United States
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26
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Guiguet A, Dubreuil G, Harris MO, Appel HM, Schultz JC, Pereira MH, Giron D. Shared weapons of blood- and plant-feeding insects: Surprising commonalities for manipulating hosts. JOURNAL OF INSECT PHYSIOLOGY 2016; 84:4-21. [PMID: 26705897 DOI: 10.1016/j.jinsphys.2015.12.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 12/14/2015] [Accepted: 12/15/2015] [Indexed: 05/04/2023]
Abstract
Insects that reprogram host plants during colonization remind us that the insect side of plant-insect story is just as interesting as the plant side. Insect effectors secreted by the salivary glands play an important role in plant reprogramming. Recent discoveries point to large numbers of salivary effectors being produced by a single herbivore species. Since genetic and functional characterization of effectors is an arduous task, narrowing the field of candidates is useful. We present ideas about types and functions of effectors from research on blood-feeding parasites and their mammalian hosts. Because of their importance for human health, blood-feeding parasites have more tools from genomics and other - omics than plant-feeding parasites. Four themes have emerged: (1) mechanical damage resulting from attack by blood-feeding parasites triggers "early danger signals" in mammalian hosts, which are mediated by eATP, calcium, and hydrogen peroxide, (2) mammalian hosts need to modulate their immune responses to the three "early danger signals" and use apyrases, calreticulins, and peroxiredoxins, respectively, to achieve this, (3) blood-feeding parasites, like their mammalian hosts, rely on some of the same "early danger signals" and modulate their immune responses using the same proteins, and (4) blood-feeding parasites deploy apyrases, calreticulins, and peroxiredoxins in their saliva to manipulate the "danger signals" of their mammalian hosts. We review emerging evidence that plant-feeding insects also interfere with "early danger signals" of their hosts by deploying apyrases, calreticulins and peroxiredoxins in saliva. Given emerging links between these molecules, and plant growth and defense, we propose that these effectors interfere with phytohormone signaling, and therefore have a special importance for gall-inducing and leaf-mining insects, which manipulate host-plants to create better food and shelter.
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Affiliation(s)
- Antoine Guiguet
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261 CNRS - Université François-Rabelais de Tours, 37200 Tours, France; Département de Biologie, École Normale Supérieure de Lyon, 69007 Lyon, France
| | - Géraldine Dubreuil
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261 CNRS - Université François-Rabelais de Tours, 37200 Tours, France
| | - Marion O Harris
- Department of Entomology, North Dakota State University, Fargo, ND 58105, USA; Le Studium Loire Valley Institute for Advanced Studies, 45000 Orléans, France
| | - Heidi M Appel
- Life Science Center, University of Missouri, Columbia, MO 65211, USA
| | - Jack C Schultz
- Life Science Center, University of Missouri, Columbia, MO 65211, USA
| | - Marcos H Pereira
- Le Studium Loire Valley Institute for Advanced Studies, 45000 Orléans, France; Laboratório de Fisiologia de Insectos Hematófagos, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - David Giron
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261 CNRS - Université François-Rabelais de Tours, 37200 Tours, France.
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