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Article: Phenotyping, genetics, and "-omics" approaches to unravel and introgress enhanced resistance against apple scab (

Švara, Anže / De Storme, Nico / Carpentier, Sebastien / Keulemans, Wannes / De Coninck, Barbara

Horticulture research

2024 Volume 11, Issue 2, Page(s) uhae002

Abstract: Apple scab disease, caused by the ... ...

Abstract	Apple scab disease, caused by the fungus
Language	English
Publishing date	2024-01-10
Publishing country	England
Document type	Journal Article
ISSN	2662-6810
ISSN	2662-6810
DOI	10.1093/hr/uhae002
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Article ; Online: Unveiling the microbiome of hydroponically cultivated lettuce: impact of Phytophthora cryptogea infection on plant-associated microorganisms.

Vlasselaer, Liese / Crauwels, Sam / Lievens, Bart / De Coninck, Barbara

FEMS microbiology ecology

2024 Volume 100, Issue 3

Abstract: Understanding the complex interactions between plants and their associated microorganisms is crucial for optimizing plant health and productivity. While microbiomes of soil-bound cultivated crops are extensively studied, microbiomes of hydroponically ... ...

Abstract	Understanding the complex interactions between plants and their associated microorganisms is crucial for optimizing plant health and productivity. While microbiomes of soil-bound cultivated crops are extensively studied, microbiomes of hydroponically cultivated crops have received limited attention. To address this knowledge gap, we investigated the rhizosphere and root endosphere of hydroponically cultivated lettuce. Additionally, we sought to explore the potential impact of the oomycete pathogen Phytophthora cryptogea on these microbiomes. Root samples were collected from symptomatic and nonsymptomatic plants in three different greenhouses. Amplicon sequencing of the bacterial 16S rRNA gene revealed significant alterations in the bacterial community upon P. cryptogea infection, particularly in the rhizosphere. Permutational multivariate analysis of variance (perMANOVA) revealed significant differences in microbial communities between plants from the three greenhouses, and between symptomatic and nonsymptomatic plants. Further analysis uncovered differentially abundant zero-radius operational taxonomic units (zOTUs) between symptomatic and nonsymptomatic plants. Interestingly, members of Pseudomonas and Flavobacterium were positively associated with symptomatic plants. Overall, this study provides valuable insights into the microbiome of hydroponically cultivated plants and highlights the influence of pathogen invasion on plant-associated microbial communities. Further research is required to elucidate the potential role of Pseudomonas and Flavobacterium spp. in controlling P. cryptogea infections within hydroponically cultivated lettuce greenhouses.
MeSH term(s)	Lactuca ; Phytophthora/genetics ; RNA, Ribosomal, 16S/genetics ; Plant Roots/microbiology ; Microbiota/genetics ; Rhizosphere ; Flavobacterium/genetics ; Soil Microbiology
Chemical Substances	RNA, Ribosomal, 16S
Language	English
Publishing date	2024-02-19
Publishing country	England
Document type	Journal Article
ZDB-ID	283722-5
ISSN	1574-6941 ; 0168-6496
ISSN (online)	1574-6941
ISSN	0168-6496
DOI	10.1093/femsec/fiae010
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Zs.A 2967: Show issues

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Article ; Online: Early detection of Botrytis cinerea in strawberry fruit during quiescent infection using selected ion flow tube mass spectrometry (SIFT-MS).

Zhao, Yijie / De Coninck, Barbara / Ribeiro, Bianca / Nicolaï, Bart / Hertog, Maarten

International journal of food microbiology

2023 Volume 402, Page(s) 110313

Abstract: Botrytis cinerea is a devastating pathogen that can cause huge postharvest losses of strawberry. Although this fungus usually infects strawberries through their flowers, symptoms mainly appear when fruit are fully mature. A fast and sensitive method to ... ...

Abstract	Botrytis cinerea is a devastating pathogen that can cause huge postharvest losses of strawberry. Although this fungus usually infects strawberries through their flowers, symptoms mainly appear when fruit are fully mature. A fast and sensitive method to detect and quantify the fungal infection, prior to symptom development, is, therefore, needed. In this study, we explore the possibility of using the strawberry volatilome to identify biomarkers for B. cinerea infection. Strawberry flowers were inoculated with B. cinerea to mimic the natural infection. First, quantitative polymerase chain reaction (qPCR) was used to quantify B. cinerea in the strawberry fruit. The detection limit of qPCR for B. cinerea DNA extracted from strawberries was 0.01 ng. Subsequently, changes in the fruit volatilome at different fruit developmental stages were characterized using gas chromatography - mass spectrometry (GC-MS) and selected ion flow tube mass spectrometry (SIFT-MS). Based on GC-MS data, 1-octen-3-ol produced by B. cinerea was confirmed as a potential biomarker of B. cinerea infection. Moreover, the product ion NO
MeSH term(s)	Fragaria/microbiology ; Fruit/microbiology ; Mass Spectrometry ; Botrytis ; Plant Diseases/microbiology
Chemical Substances	1-octen-3-ol (WXB511GE38)
Language	English
Publishing date	2023-06-29
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	87122-9
ISSN	1879-3460 ; 0168-1605
ISSN (online)	1879-3460
ISSN	0168-1605
DOI	10.1016/j.ijfoodmicro.2023.110313
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Article: Bacillus

Korangi Alleluya, Virginie / Argüelles Arias, Anthony / Ribeiro, Bianca / De Coninck, Barbara / Helmus, Catherine / Delaplace, Pierre / Ongena, Marc

Frontiers in plant science

2023 Volume 14, Page(s) 1069971

Abstract: Introduction: Peanut (: Results and discussion: Upon growth under the nutritional conditions dictated by peanut root exudation, the bacterium efficiently produces the three types of lipopeptides surfactin, iturin and fengycin known for their ... ...

Abstract	Introduction: Peanut ( Results and discussion: Upon growth under the nutritional conditions dictated by peanut root exudation, the bacterium efficiently produces the three types of lipopeptides surfactin, iturin and fengycin known for their antagonistic activities against a wide range of fungal phytopathogens. By testing a range of GA1 mutants specifically repressed in the production of those metabolites, we point out an important role for iturin and another unidentified compound in the antagonistic activity against the pathogen. Biocontrol experiments performed in greenhouse further revealed the efficacy of
Language	English
Publishing date	2023-02-20
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2023.1069971
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Article: Constitutive Defense Mechanisms Have a Major Role in the Resistance of Woodland Strawberry Leaves Against

Zhao, Yijie / Vlasselaer, Liese / Ribeiro, Bianca / Terzoudis, Konstantinos / Van den Ende, Wim / Hertog, Maarten / Nicolaï, Bart / De Coninck, Barbara

Frontiers in plant science

2022 Volume 13, Page(s) 912667

Abstract: The necrotrophic ... ...

Abstract	The necrotrophic fungus
Language	English
Publishing date	2022-07-06
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2022.912667
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Article ; Online: The biocontrol agent

Temmermans, Jari / Legein, Marie / Zhao, Yijie / Kiekens, Filip / Smagghe, Guy / de Coninck, Barbara / Lebeer, Sarah

Applied and environmental microbiology

2023 Volume 89, Issue 11, Page(s) e0095023

Abstract: Importance: Plant protection products are essential for ensuring food production, but their use poses a threat to human and environmental health, and their efficacy is decreasing due to the acquisition of resistance by pathogens. Stricter regulations ... ...

Abstract	Importance: Plant protection products are essential for ensuring food production, but their use poses a threat to human and environmental health, and their efficacy is decreasing due to the acquisition of resistance by pathogens. Stricter regulations and consumer demand for cleaner produce are driving the search for safer and more sustainable alternatives. Microbial biocontrol agents, such as microorganisms with antifungal activity, have emerged as a promising alternative management strategy, but their commercial use has been limited by poor establishment and spread on crops. This study presents a novel system to overcome these challenges. The biocontrol agent
MeSH term(s)	Animals ; Bees ; Humans ; Pest Control, Biological ; Crops, Agricultural ; Fragaria/microbiology
Language	English
Publishing date	2023-10-26
Publishing country	United States
Document type	Journal Article
ZDB-ID	223011-2
ISSN	1098-5336 ; 0099-2240
ISSN (online)	1098-5336
ISSN	0099-2240
DOI	10.1128/aem.00950-23
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Article ; Online: Increasing the Robustness of SIFT-MS Volatilome Fingerprinting by Introducing Notional Analyte Concentrations.

Benchennouf, Amina / Corion, Matthias / Dizon, Angelica / Zhao, Yijie / Lammertyn, Jeroen / De Coninck, Barbara / Nicolaï, Bart / Vercammen, Joeri / Hertog, Maarten

Journal of the American Society for Mass Spectrometry

2023 Volume 34, Issue 10, Page(s) 2407–2412

Abstract: Selected ion flow tube-mass spectrometry (SIFT-MS) is an analytical technique for volatile detection and quantification. SIFT-MS can be applied in a "white box" approach, measuring concentrations of target compounds, or as a "black box" fingerprinting ... ...

Abstract	Selected ion flow tube-mass spectrometry (SIFT-MS) is an analytical technique for volatile detection and quantification. SIFT-MS can be applied in a "white box" approach, measuring concentrations of target compounds, or as a "black box" fingerprinting technique, scanning all product ions during a full scan. Combining SIFT-MS full scan data acquired from multibatches or large-scale experiments remains problematic due to signal fluctuation over time. The standard approach of normalizing full scan data to the total signal intensity was insufficient. This study proposes a new approach to correct SIFT-MS fingerprinting data. In this concept, all of the product ions from a full scan are considered individual compounds for which notional concentrations can be calculated. Converting ion count rates into notional analyte concentrations accounts for any changes in the instrument parameters. The benefits of the proposed approach are demonstrated on three years of data from both multibatches and long-term experiments showing a significant reduction of system-induced fluctuations providing a better focus on the changes of interest.
Language	English
Publishing date	2023-08-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	1073671-2
ISSN	1879-1123 ; 1044-0305
ISSN (online)	1879-1123
ISSN	1044-0305
DOI	10.1021/jasms.3c00168
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Zs.A 4618: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (2.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 241: Show issues

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Article ; Online: Pathogen Effectors: Exploiting the Promiscuity of Plant Signaling Hubs.

Ceulemans, Evi / Ibrahim, Heba M M / De Coninck, Barbara / Goossens, Alain

Trends in plant science

2021 Volume 26, Issue 8, Page(s) 780–795

Abstract: Pathogens produce effectors to overcome plant immunity, thereby threatening crop yields and global food security. Large-scale interactomic studies have revealed that pathogens from different kingdoms of life target common plant proteins during infection, ...

Abstract	Pathogens produce effectors to overcome plant immunity, thereby threatening crop yields and global food security. Large-scale interactomic studies have revealed that pathogens from different kingdoms of life target common plant proteins during infection, the so-called effector hubs. These hubs often play central roles in numerous plant processes through their ability to interact with multiple plant proteins. This ability arises partly from the presence of intrinsically disordered domains (IDDs) in their structure. Here, we highlight the role of the TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR (TCP) and JASMONATE-ZIM DOMAIN (JAZ) transcription regulator families as plant signaling and effector hubs. We consider different evolutionary hypotheses to rationalize the existence of diverse effectors sharing common targets and the possible role of IDDs in this interaction.
MeSH term(s)	Gene Expression Regulation, Plant ; Plant Immunity/genetics ; Plant Proteins/genetics ; Plants/genetics ; Signal Transduction
Chemical Substances	Plant Proteins
Language	English
Publishing date	2021-03-02
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Review
ZDB-ID	1305448-x
ISSN	1878-4372 ; 1360-1385
ISSN (online)	1878-4372
ISSN	1360-1385
DOI	10.1016/j.tplants.2021.01.005
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Article: UV-B light and its application potential to reduce disease and pest incidence in crops.

Meyer, Prisca / Van de Poel, Bram / De Coninck, Barbara

Horticulture research

2021 Volume 8, Issue 1, Page(s) 194

Abstract: Ultraviolet-B radiation (280-315 nm), perceived by the plant photoreceptor UVR8, is a key environmental signal that influences plant growth and development and can reduce disease and pest incidence. The positive effect of UV-B on disease resistance and ... ...

Abstract	Ultraviolet-B radiation (280-315 nm), perceived by the plant photoreceptor UVR8, is a key environmental signal that influences plant growth and development and can reduce disease and pest incidence. The positive effect of UV-B on disease resistance and incidence in various plant species supports the implementation of supplemental UV-B radiation in sustainable crop production. However, despite many studies focusing on UV-B light, there is no consensus on the best mode of application. This review aims to analyze, evaluate, and organize the different application strategies of UV-B radiation in crop production with a focus on disease resistance. We summarize the physiological effects of UV-B light on plants and discuss how plants perceive and transduce UV-B light by the UVR8 photoreceptor as well as how this perception alters plant specialized metabolite production. Next, we bring together conclusions of various studies with respect to different UV-B application methods to improve plant resistance. In general, supplemental UV-B light has a positive effect on disease resistance in many plant-pathogen combinations, mainly through the induction of the production of specialized metabolites. However, many variables (UV-B light source, plant species, dose and intensity, timing during the day, duration, background light, etc.) make it difficult to compare and draw general conclusions. We compiled the information of recent studies on UV-B light applications, including e.g., details on the UV-B light source, experimental set-up, calculated UV-B light dose, intensity, and duration. This review provides practical insights and facilitates future research on UV-B radiation as a promising tool to reduce disease and pest incidence.
Language	English
Publishing date	2021-09-01
Publishing country	England
Document type	Journal Article ; Review
ISSN	2662-6810
ISSN	2662-6810
DOI	10.1038/s41438-021-00629-5
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Article ; Online: Exploring Synergistic Effects of Levan and Levan-Metabolizing Bacillaceae in Promoting Growth and Enhancing Immunity of Tomato and Wheat.

Jiao, Jiao / Tran-Minh, Trang / Nasir, Anam / Guo, Qinggang / Stülke, Jörg / Visnapuu, Triinu / De Zutter, Noémie / De Coninck, Barbara / Van den Ende, Wim

Physiologia plantarum

2024 Volume 176, Issue 3, Page(s) e14325

Abstract: Boosting plant immunity by priming agents can lower agrochemical dependency in plant production. Levan and levan-derived oligosaccharides (LOS) act as priming agents against biotic stress in several crops. Additionally, beneficial microbes can promote ... ...

Abstract	Boosting plant immunity by priming agents can lower agrochemical dependency in plant production. Levan and levan-derived oligosaccharides (LOS) act as priming agents against biotic stress in several crops. Additionally, beneficial microbes can promote plant growth and protect against fungal diseases. This study assessed possible synergistic effects caused by levan, LOS and five levan- and LOS-metabolizing Bacillaceae (Bacillus and Priestia) strains in tomato and wheat. Leaf and seed defense priming assays were conducted in non-soil (semi-sterile substrate) and soil-based systems, focusing on tomato-Botrytis cinerea and wheat-Magnaporthe oryzae Triticum (MoT) pathosystems. In the non-soil system, seed defense priming with levan, the strains (especially Bacillus velezensis GA1), or their combination significantly promoted tomato growth and protection against B. cinerea. While no growth stimulatory effects were observed for wheat, disease protective effects were also observed in the wheat-MoT pathosystem. When grown in soil and subjected to leaf defense priming, tomato plants co-applied with levan and the bacterial strains showed increased resistance to B. cinerea compared with plants treated with levan or single strains, and these effects were synergistic in some cases. For seed defense priming in soil, more synergistic effects on disease tolerance were observed in a non-fertilized soil as compared to a fertilized soil, suggesting that potential prebiotic effects of levan are more prominent in poor soils. The potential of using combinations of Bacilliaceae and levan in sustainable agriculture is discussed.
MeSH term(s)	Fructans/metabolism ; Triticum/microbiology ; Triticum/metabolism ; Triticum/immunology ; Triticum/growth & development ; Solanum lycopersicum/microbiology ; Solanum lycopersicum/immunology ; Solanum lycopersicum/metabolism ; Solanum lycopersicum/growth & development ; Plant Diseases/microbiology ; Plant Diseases/immunology ; Bacillus/physiology ; Botrytis ; Plant Immunity ; Disease Resistance ; Plant Leaves/metabolism ; Plant Leaves/microbiology ; Plant Leaves/immunology ; Oligosaccharides/metabolism ; Oligosaccharides/pharmacology ; Seeds/growth & development ; Seeds/metabolism ; Seeds/microbiology ; Seeds/immunology ; Ascomycota
Chemical Substances	Fructans ; levan (9013-95-0) ; Oligosaccharides
Language	English
Publishing date	2024-04-15
Publishing country	Denmark
Document type	Journal Article
ZDB-ID	2020837-6
ISSN	1399-3054 ; 0031-9317
ISSN (online)	1399-3054
ISSN	0031-9317
DOI	10.1111/ppl.14325
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