Interactions of Root-Feeding Insects with Fungal and Oomycete Plant Pathogens

Willsey, Telsa; Chatterton, Syama; Cárcamo, H. A.

doi:10.3389/fpls.2017.01764

Cited by 34 publications

(26 citation statements)

References 49 publications

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“…pollen, zooplankton carcasses 139 . In terrestrial ecosystems interactions between pathogenic fungi and oomycetes and their consequences for the development of plant disease has been recognized 140 . In aquatic ecosystems our knowledge remains restricted to descriptive studies on their cooccurrence on similar hosts/substrates, whereas studies investigating direct ecological interactions between true fungi and fungi-like protists and their consequences for OM transformation are completely lacking.…”

Section: Box 1: Biotic Interactions With Aquatic Fungimentioning

confidence: 99%

Fungi in aquatic ecosystems

et al. 2019

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Fungi are phylogenetically and functionally diverse ubiquitous components of almost all ecosystems on Earth, including aquatic environments stretching from high montane lakes down to the deep ocean. Aquatic ecosystems, however, remain frequently overlooked as fungal habitats, although fungi potentially hold important roles for organic matter cycling and food web dynamics. Within a broad ecological framework, we conceptualize the spatio-temporal dimensions, diversity, functions and organismic interactions of fungi in structuring aquatic foodwebs. We focus on currently unexplored fungal diversity, highlighting poorly understood ecosystems, including emerging artificial aquatic habitats. Recent methodological improvements have facilitated a greater appreciation of the importance of fungi in many aquatic systems, yet a conceptual framework is still missing. To date, aquatic fungi and their interactions have largely remained "hidden" and require interdisciplinary efforts to be explored in an ecosystem context. There remain obvious methodological and knowledge gaps to explore potential functions of aquatic fungi, moving from the microscale to the global scale. This knowledge is urgently needed since we humans strongly interfere with structure and function of natural ecosystems by permanently reshaping most of the Earth's surface and creating vast areas of novel urban habitats. Introduction: Recent advances in DNA sequencing technology have revealed that fungi are abundant in many, if not all aquatic ecosystems, however their diversity, quantitative abundance, ecological function and, in particular, their interactions with other microorganisms, remain largely speculative, unexplored and missing from current general concepts in aquatic ecology and biogeochemistry 1-4. This is surprising since terrestrial-focused research has understood the outstanding ecological role of fungi for >100 years, and therefore fungi constitute a major component of general concepts in terrestrial science 5,6. In aquatic ecosystems, the systematic analysis of fungal diversity and their ecological roles has faced several setbacks due to methodological limitations and a too small scientific community, in particular in the marine environment 7-11. This review focusses on aquatic fungi, which form a morphologically, phylogenetically, and ecologically diverse group 7. We here broadly define "aquatic fungi" as fungi that rely for the whole or part of their life cycle on aquatic habitats (FIG. 1). Three groups (indwellers, periodic immigrants and versatile immigrants) based on their degree of adaptation and dependence on aquatic habitats have been previously defined 12. We highlight the numerous knowledge gaps in their diversity, interactions and functional roles, as well as methodological limitations. In this review we propose new research avenues to set aquatic fungi in a broad ecological framework. Here, we do not explore the many existing gaps in the fungal phylogenetic tree. In aquatic systems, fungi constitute a significant proportion of eukaryo...

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Section: Box 1: Biotic Interactions With Aquatic Fungimentioning

confidence: 99%

Fungi in aquatic ecosystems

et al. 2019

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“…However, the ability of AMF to carry out this crucial function heavily rests on several factors such as the interacting species, types of metals and their subsequent availability, soil fertility, and conditions of plant growth (light intensity and density of roots; Pawlowska and Charvat, 2004 ). In addition, a tripartite interaction of pathogenic organisms, herbivore and plants as well, promises to be a useful relationship in enhancing crop yields (Willsey et al, 2017 ). This distinctively unique relationship relates viruses, fungi, and plants.…”

Section: Possible Applications Of Microbial Interactionsmentioning

confidence: 99%

Current Trends and Potential Applications of Microbial Interactions for Human Welfare

et al. 2018

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For a long time, it was considered that interactions between microbes are only inhibitory in nature. However, latest developments in research have demonstrated that within our environment, several classes of microbes exist which produce different products upon interaction and thus embrace a wider scope of useful and potentially valuable aspects beyond simple antibiosis. Therefore, the current review explores different types of microbial interactions and describes the role of various physical, chemical, biological, and genetic factors regulating such interactions. It further explains the mechanism of action of biofilm formation and role of secondary metabolites regulating bacteria-fungi interaction. Special emphasis and focus is placed on microbial interactions which are important in medicine, food industry, agriculture, and environment. In short, this review reveals the recent contributions of microbial interaction for the benefit of mankind.

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“…Soil characteristics are a key factor determining the occurrence and diversity of soil borne organisms (Johnson & Rasmann, 2015;Tedersoo et al, 2014;Willsey, Chatterton, & Cárcamo, 2017). Local variation may be affected by topography and the immediate and legacy effects of plant-soil feedback, which in turn may lead to differences in microorganisms and invertebrates associated with roots or the rhizosphere (Bardgett, 2002;Dickie et al, 2019;Ehrenfeld, Ravit, & Elgersma, 2005;Ettema & Wardle, 2002;Fierer & Jackson, 2006;Fierer et al, 2009;Tedersoo et al, 2014).…”

Section: Local Scalementioning

confidence: 99%

Spotting the pests of tomorrow—Sampling designs for detection of species associations with woody plants

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Groot

Glavendekić

et al. 2019

Journal of Biogeography

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Aim Early warning against potentially harmful organisms of woody plant species can be achieved by sampling sentinel plants in exporting countries. However, it is unclear where sentinel plants can best be located, and how many samples are required and when and how often sampling optimally should take place for the adequate assessment of the biodiversity associated with the target plant species. We aimed to review spatial and temporal factors affecting associate biodiversity of single woody plant species and to develop guidance for the design of global biodiversity sampling studies. Location Worldwide. Taxon Insects and Fungi. Methods Literature about factors affecting the diversity of insects and fungi in association with single plant species on global, regional, local and different temporal scales was reviewed. Case studies of insect and fungal diversity, primarily collected on single plant species, and the cost of collecting and analysing samples from locations around the world were analysed. Results The review of the literature illustrated various factors affecting diversity, and the case studies allowed quantification of the relative impact of some spatial, temporal and financial aspects on captured biodiversity and, thus, illustrate the need to consider all possible factors that may affect the result of the sampling when deciding on a sampling design. Main conclusions Our study illustrates the factors that should be considered when deciding on the location and timing of sampling for sentinel plants, which is important because of the trade‐off between the number of samples and sampling locations needed to detect many of the species which may be potential pests, and the cost of (repeated) sampling in many locations. Decisions about the sampling design must be based on the objective of the sampling, but our recommendations apply irrespective of the targeted plant species or country.

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Interactions of Root-Feeding Insects with Fungal and Oomycete Plant Pathogens

Cited by 34 publications

References 49 publications

Fungi in aquatic ecosystems

Fungi in aquatic ecosystems

Current Trends and Potential Applications of Microbial Interactions for Human Welfare

Spotting the pests of tomorrow—Sampling designs for detection of species associations with woody plants

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