A5000956656- Plant Pathogenic Bacteria Studies
- Microbial Community Ecology and Physiology
- Environmental Conservation and Management
- Plant Pathogens and Fungal Diseases
- Soil Carbon and Nitrogen Dynamics
- Genomics and Phylogenetic Studies
- Plant-Microbe Interactions and Immunity
- Plant Disease Resistance and Genetics
- Legume Nitrogen Fixing Symbiosis
- Plant Disease Management Techniques
- Energy, Environment, Agriculture Analysis
- Gut microbiota and health
- Evolution and Genetic Dynamics
- Nematode management and characterization studies
- Protist diversity and phylogeny
- Peatlands and Wetlands Ecology
- Plant Pathogens and Resistance
- Plant and Fungal Interactions Research
- Plant Parasitism and Resistance
- Infections and bacterial resistance
- Insect symbiosis and bacterial influences
- Streptococcal Infections and Treatments
- Geology and Paleoclimatology Research
- Clinical practice guidelines implementation
- Insect Pest Control Strategies
Wageningen University & Research
2021-2025
BioInteractions (United Kingdom)
2021-2023
Netherlands Institute of Ecology
2016-2019
Royal Netherlands Academy of Arts and Sciences
2016
Rare species are increasingly recognized as crucial, yet vulnerable components of Earth's ecosystems. This is also true for microbial communities, which typically composed a high number relatively rare species. Recent studies have demonstrated that can an over-proportional role in biogeochemical cycles and may be hidden driver microbiome function. In this review, we provide ecological overview the biosphere, including causes rarity impacts on ecosystem functioning. We discuss how...
The abundance of species is assumed to depend on their life history traits, such as growth rate and resource specialization. However, this assumption has not been tested for bacteria. Here we investigate how soil bacteria relates slow substrate specialization (oligotrophy) vs. fast generalization (copiotrophy). We collected 47 saprotrophic bacterial isolates differing abundances measured the ability use a variety single carbon sources. Opposite our expectation, there was no relationship...
Summary In many studies, rare bacterial taxa have been found to increase in response environmental changes. These changes proposed contribute the insurance of ecosystem functions. However, it has not systematically tested if are more likely abundance than dominant taxa. Here, we study whether soil respond disturbances and opportunistic To test this, applied nine different disturbance treatments a grassland observed community composition over 7 days. While 12% changed abundance, only 1%...
OPINION article Front. Microbiol., 13 July 2016Sec. Microbial Symbioses Volume 7 - 2016 | https://doi.org/10.3389/fmicb.2016.01079
Rare bacterial species have recently attracted interest due to their many potential beneficial functions. However, only little is known about cultivability. In this study we test the hypotheses that use of flow cell-sorting for cultivation results in a high proportion rare soil isolates relative taxa are abundant soil. Moreover, investigate whether different oligotrophic media and prolonged incubation time increase number cultivated species. used cell sorting select small cells separate...
<title>Abstract</title> This article describes the development of tools for on-site identification two closely related sporeless strains Oyster mushroom, using either LAMP technique or a modification that technique. It allows fast (within 30 minutes) commercially used SPOPPO and ALLERPO. Fast answers on strain identity can be important when experiencing unexpected behavior are suspect origin. Both discriminated from sporulating by reaction intact version <italic>msh4</italic> gene; contain...
Summary We assembled communities of bacteria and exposed them to different nutrient concentrations with or without predation by protists. Taxa that were rare in the field less abundant at low than common taxa, independent predation. However, some taxa became highly communities, especially under ample availability. This high abundance points a possible competitive advantage bacterial nutrient‐rich conditions. In contrast, most decreased resource Since availability will be prevailing situation...
Abstract Soft rot Pectobacteriaceae (SRP) are the causative agents of soft and blackleg in potato. In this study, we investigated if potato seed lots same cultivar, but originating from different fields, inoculated with density SRP planted field, showed differences disease incidence. We tested these were correlated microbial community composition tuber, soil where mother tubers grown, as microbiome is known to play a large role plant resistance. found that high incidence had than low Several...
Intensive agricultural crop production can lead to a decline in biological soil characteristics and functions, such as microbial biomass activity, carbon nutrient cycling suppressiveness, important for the sustainable of food feed. There is need understand how those functions be improved by practices. In long-term field study, we assessed whether reduced tillage could enhance parameters suppressiveness against plant-pathogenic fungus Rhizoctonia solani AG2-2IIIB bacterium Streptomyces...
Plant growth-promoting rhizobacteria (PGPR) strains can influence plant–insect interactions. However, little is known about the effect of changes in soil bacterial community general and especially loss rare microbes on these Here, microbe reduction induced systemic resistance (ISR) a wild ecotype Arabidopsis thaliana against aphid Myzus persicae was investigated. To create gradient microbial abundances, inoculated with serial dilution responses plants that originated from same site as were...
Information on the infection incidence of blackleg-causing soft rot Pectobacteriaceae (BL-SRP) in potato crops grown from minitubers (PB1-crop) and distribution BL-SRP individual plants was collected during a two-year survey conducted at five growers located Netherlands. In last weeks before haulm destruction, leaves, stems, tubers 100 or 200 were analyzed separately for presence Pectobacterium parmentieri, P. brasiliense, atrosepticum, Dickeya spp. Extracted plant parts enriched with TaqMan...
The soil microbiome is known to be crucial for the control of soil-borne plant diseases. However, there still little knowledge on how modify induce or increase disease suppressiveness. In present study, we applied eleven health treatments combined with conventional and organic agricultural management in a long-term field experiment. Suppressiveness against Pythium ultimum Rhizoctonia solani was assessed bioassays 2 years. addition, community composition microbial abundance were determined....
Abstract Glasshouse experiments were conducted to study infection and disease development in rockwool‐grown rose plants inoculated with Ralstonia pseudosolanacearum . A R strain isolated from was more aggressive than strains anthurium or curcuma. The three cultivars tested, Avalanche, Red Naomi, Armando, differed susceptibility. At 20°C, the caused hardly any symptoms over a 6‐week period, whereas at 28°C typical wilt observed within 2 weeks after stem inoculation of most susceptible...
Abstract Soil suppressiveness can reduce the damage by plant parasitic nematodes (PPN) in agricultural soils and is conveyed activity of soil microorganisms. While natural has been reported, it still poorly understood if be elicited manipulating microbial community. In present study we assessed number Pratylenchus penetrans (Pp) bacterial fungal community composition over 7 years a long-term health experiment. The field experiment consisted an organic conventional land management system...
Abstract Identification and classification of members the Ralstonia solanacearum species complex (RSSC) is challenging due to heterogeneity this complex. Whole genome sequence data 225 strains were used classify based on average nucleotide identity (ANI) multilocus analysis (MLSA). Based ANI score (>95%), 191 out 192(99.5%) RSSC could be grouped into three R. solanacearum, pseudosolanacearum , syzygii four phylotypes within (I,II, III, IV). phylotype II split in two groups (IIA IIB), from...
Intensive agricultural crop production can lead to a decline in biological soil characteristics and functions, such as microbial biomass activity, organic carbon storage suppressiveness, important for the sustainable of affordable food feed. There is need understand how those functions be improved by practices. In long-term field study, we assessed whether reduced tillage could enhance parameters suppressiveness against plant-pathogenic fungus Rhizoctonia solani AG2-2IIIB bacterium...
Rare soil organisms are normally considered of less importance for ecosystem functioning. We present results that oppose this view. In otherwise well-aerated soils, anaerobic/microaerophilic production or consumption the trace gas N2O occurs in small volumes, when intense decomposition activity at site leads to local oxygen depletion. At such patch scales, control microbial growth and may depend on specific present. assessed turnover an experiment, where dilution from 10−2 over 10−4 10−6...