Michael Reichelt
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View article: The MassBank contributions of the mFam Consortium
The MassBank contributions of the mFam Consortium Open
The analysis of metabolic profiles using high resolution mass spectrometry (MS) data gives deep insights into the biological processes. In metabolomics, MS generates a large number of features that represent metabolites. However, identifyi…
View article: Consequences of interspecific plant hybridization on metabolic diversity in naturally occurring hybrid swarms
Consequences of interspecific plant hybridization on metabolic diversity in naturally occurring hybrid swarms Open
SUMMARY Interspecific hybridization has influenced plant evolution and diversification. However, how hybridization may affect metabolic diversity, especially in naturally occurring hybridization zones, is unclear. In this study, we selecte…
View article: Silicon‐Mediated Mitigation of Salt Stress in Maize Plants
Silicon‐Mediated Mitigation of Salt Stress in Maize Plants Open
High soil salinity affects plant growth, yield, and water use efficiency, leading to drought and ion toxicity. Silicon (Si), a crucial element in soil, can mitigate such stress. Si neutralizes harmful impacts, reduces Na + uptake, and prom…
View article: Multiple glutathione-S-transferases detoxify diverse glucosinolate-based defenses of Brassicales plants in a generalist lepidopteran herbivore (Spodoptera littoralis)
Multiple glutathione-S-transferases detoxify diverse glucosinolate-based defenses of Brassicales plants in a generalist lepidopteran herbivore (Spodoptera littoralis) Open
Brassicales plants defend themselves with glucosinolates that, upon herbivory, are hydrolyzed into toxic isothiocyanates (ITCs) and other derivatives. The side chain diversity of glucosinolates results in a range of structurally distinct p…
View article: Deciphering organ‐specific chemical changes following insect herbivory in <i>Populus nigra</i> using comparative metabolomics
Deciphering organ‐specific chemical changes following insect herbivory in <i>Populus nigra</i> using comparative metabolomics Open
This study explores the chemical diversity of plant metabolites in different organs of black poplar ( Populus nigra ), a tree species of considerable ecological and economic importance, to broaden our knowledge of organs other than leaves,…
View article: <i>Pseudomonas</i> virulence factor SaxA detoxifies plant glucosinolate hydrolysis products, rescuing a commensal that suppresses virulence gene expression
<i>Pseudomonas</i> virulence factor SaxA detoxifies plant glucosinolate hydrolysis products, rescuing a commensal that suppresses virulence gene expression Open
Plants produce a plethora of specialised metabolites that often play important roles in their defence against pathogenic microbes or herbivorous insects. Exposure of leaf colonising microbes to these metabolites influences their growth and…
View article: Exploring a Role for the Arabidopsis TIR-X Gene (TIRP) in the Defense Against Pathogenic Fungi or Insect Herbivory Attack
Exploring a Role for the Arabidopsis TIR-X Gene (TIRP) in the Defense Against Pathogenic Fungi or Insect Herbivory Attack Open
Plants are challenged regularly with multiple types of biotic stress factors, such as pathogens or insect herbivores, in their environment. To detect and defend against pathogens, plants have evolved an innate immune system in which intrac…
View article: Integrated metabolomics, transcriptomic, and phytohormonal analyses to study the effects of water stress and foliar abscisic acid application in Thymus species using LC-MS/MS
Integrated metabolomics, transcriptomic, and phytohormonal analyses to study the effects of water stress and foliar abscisic acid application in Thymus species using LC-MS/MS Open
Thyme species, including Thymus vulgaris, T. kotschyanus (drought-tolerant) and T. serpyllum (drought-sensitive), are valuable medicinal herbs. They are often grown in arid regions and are increasingly suffering from water stress due to cl…
View article: A Fungal Endophyte Alters Poplar Leaf Chemistry, Deters Insect Feeding and Shapes Insect Community Assembly
A Fungal Endophyte Alters Poplar Leaf Chemistry, Deters Insect Feeding and Shapes Insect Community Assembly Open
Fungal endophytes of grasses and other herbaceous plants have been known to provide plants with anti‐herbivore defence compounds, but there is little information about whether the endophytes of trees also engage in such mutualisms. We inve…
View article: Arabidopsis thaliana accumulates dehydroepiandrosterone after infection with phytopathogenic fungi – Effects on plants and fungi
Arabidopsis thaliana accumulates dehydroepiandrosterone after infection with phytopathogenic fungi – Effects on plants and fungi Open
Progestogens and androgens have been found in many plants, but little is known about their physiological function. We used a previously established UPLC-ESI-MS/MS method to analyze progestogen and androgen profiles in fungal infections. He…
View article: Date palm diverts organic solutes for root osmotic adjustment and protects leaves from oxidative damage in early drought acclimation
Date palm diverts organic solutes for root osmotic adjustment and protects leaves from oxidative damage in early drought acclimation Open
Date palm (Phoenix dactylifera L.) is an important crop in arid regions and it is well adapted to desert ecosystems. To understand its remarkable ability to grow and yield in water-limited environments, we conducted experiments in which wa…
View article: Scots Pines With Tolerance to <i>Melampsora pinitorqua</i> and <i>Diplodia sapinea</i> Show Distinct Metabolic Profiles
Scots Pines With Tolerance to <i>Melampsora pinitorqua</i> and <i>Diplodia sapinea</i> Show Distinct Metabolic Profiles Open
Diplodia sapinea causes Diplodia tip blight (DTB) and is recognised as an opportunistic necrotrophic pathogen affecting conifers. While DTB is associated with abiotic stress, the impact of biotic stress in the host on D. sapinea 's lifesty…
View article: Glucosinolate structural diversity shapes recruitment of a metabolic network of leaf-associated bacteria
Glucosinolate structural diversity shapes recruitment of a metabolic network of leaf-associated bacteria Open
Host defenses can have broader ecological roles, but how they shape natural microbiome recruitment is poorly understood. Aliphatic glucosinolates (GLSs) are secondary defense metabolites in Brassicaceae plant leaves. Their genetically defi…
View article: Insights into the molecular basis of beet curly top resistance in sugar beet through a transcriptomic approach at the early stage of symptom development
Insights into the molecular basis of beet curly top resistance in sugar beet through a transcriptomic approach at the early stage of symptom development Open
Curly top disease caused by Beet curly top virus (BCTV) is a limiting factor for sugar beet production. The most economical and sustainable control of BCTV in sugar beet would be via the growth of resistant cultivars, although most commerc…
View article: Date palm acclimates to aridity by diverting organic osmolytes for root osmotic adjustment in parallel with leaf membrane remodeling and ROS scavenging
Date palm acclimates to aridity by diverting organic osmolytes for root osmotic adjustment in parallel with leaf membrane remodeling and ROS scavenging Open
Highlight statement Osmotic strength of date palm roots increases with soil desiccation, for which the accumulation of organic osmolytes, such as sugars, is essential in complement to energetically cheap mineral osmotics. Date palm ( Phoen…
View article: A fungal endophyte alters poplar leaf chemistry, deters insect feeding and shapes insect community assembly
A fungal endophyte alters poplar leaf chemistry, deters insect feeding and shapes insect community assembly Open
The endophytic fungi of certain grasses and other herbaceous plants have long been known to provide plants with anti-herbivore defense compounds, but there is little information about whether the endophytes of trees also engage in such mut…
View article: Glutamine as sole nitrogen source prevents induction of nitrate transporter gene NRT2.4 and affects amino acid metabolism in Arabidopsis
Glutamine as sole nitrogen source prevents induction of nitrate transporter gene NRT2.4 and affects amino acid metabolism in Arabidopsis Open
Plants assimilate inorganic nitrogen (N) to glutamine. Glutamine is the most abundant amino acid in most plant species, the N-supplying precursor of all N-containing compounds in the cell and the first organic nitrogen molecule formed from…
View article: Cellooligomer/CELLOOLIGOMER RECEPTOR KINASE1 Signaling Exhibits Crosstalk with PAMP-Triggered Immune Responses and Sugar Metabolism in Arabidopsis Roots
Cellooligomer/CELLOOLIGOMER RECEPTOR KINASE1 Signaling Exhibits Crosstalk with PAMP-Triggered Immune Responses and Sugar Metabolism in Arabidopsis Roots Open
The degradation of cellulose generates cellooligomers, which function as damage-associated molecular patterns and activate immune and cell wall repair responses via the CELLOOLIGOMER RECEPTOR KINASE1 (CORK1). The most active cellooligomer …
View article: Arabidopsis Thaliana Accumulates Dehydroepiandrosterone after Infection with Phytopathogenic Fungi – Effects on Plants and Fungi
Arabidopsis Thaliana Accumulates Dehydroepiandrosterone after Infection with Phytopathogenic Fungi – Effects on Plants and Fungi Open
View article: Influence of plant defense signaling and innate insect metabolic differences to the overall performance of fall armyworm (<i>Spodoptera frugiperda</i>) corn and rice strains on maize as a host
Influence of plant defense signaling and innate insect metabolic differences to the overall performance of fall armyworm (<i>Spodoptera frugiperda</i>) corn and rice strains on maize as a host Open
The fall armyworm (FAW, Spodoptera frugiperda ) is a well-known crop pest that feeds mainly on grasses. Separate strains are known to infest maize (corn) and rice that show varying degrees of developmental and metabolic differences, as wel…
View article: Beyond defense: Glucosinolate structural diversity shapes recruitment of a metabolic network of leaf-associated bacteria
Beyond defense: Glucosinolate structural diversity shapes recruitment of a metabolic network of leaf-associated bacteria Open
Leaf bacteria are critical for plant health, but little is known about how plant traits control their recruitment. Aliphatic glucosinolates (GLSs) are secondary metabolites present in leaves of Brassicaceae plants in genotypically-defined …
View article: Strigolactone deficiency induces jasmonate, sugar and flavonoid phytoalexin accumulation enhancing rice defense against the blast fungus <i>Pyricularia oryzae</i>
Strigolactone deficiency induces jasmonate, sugar and flavonoid phytoalexin accumulation enhancing rice defense against the blast fungus <i>Pyricularia oryzae</i> Open
Summary Strigolactones (SLs) are carotenoid‐derived phytohormones that regulate plant growth and development. While root‐secreted SLs are well‐known to facilitate plant symbiosis with beneficial microbes, the role of SLs in plant interacti…
View article: The Beneficial Fungus Mortierella hyalina Modulates Amino Acid Homeostasis in Arabidopsis under Nitrogen Starvation
The Beneficial Fungus Mortierella hyalina Modulates Amino Acid Homeostasis in Arabidopsis under Nitrogen Starvation Open
Non-mycorrhizal but beneficial fungi often mitigate (a)biotic stress-related traits in host plants. The underlying molecular mechanisms are mostly still unknown, as in the interaction between the endophytic growth-promoting soil fungus Mor…
View article: Acclimation of circadian rhythms in woodland strawberries (Fragaria vesca L.) to Arctic and mid-latitude photoperiods
Acclimation of circadian rhythms in woodland strawberries (Fragaria vesca L.) to Arctic and mid-latitude photoperiods Open
View article: Biosynthesis, herbivore induction, and defensive role of phenylacetaldoxime glucoside
Biosynthesis, herbivore induction, and defensive role of phenylacetaldoxime glucoside Open
Aldoximes are well-known metabolic precursors for plant defense compounds such as cyanogenic glycosides, glucosinolates, and volatile nitriles. They are also defenses themselves produced in response to herbivory; however, it is unclear whe…
View article: Occurrence and conversion of progestogens and androgens are conserved in land plants
Occurrence and conversion of progestogens and androgens are conserved in land plants Open
Summary Progestogens and androgens have been found in many plants, but little is known about their biosynthesis and the evolution of steroidogenesis in these organisms. Here, we show that the occurrence and biosynthesis of progestogens and…
View article: Integrative multi‐omics analyses of date palm ( <i>Phoenix dactylifera</i> ) roots and leaves reveal how the halophyte land plant copes with sea water
Integrative multi‐omics analyses of date palm ( <i>Phoenix dactylifera</i> ) roots and leaves reveal how the halophyte land plant copes with sea water Open
Date palm ( Phoenix dactylifera L.) is able to grow and complete its life cycle while being rooted in highly saline soils. Which of the many well‐known salt‐tolerance strategies are combined to fine‐tune this remarkable resilience is unkno…
View article: Metabolism of plant-derived toxins from its insect host increases the success of the entomopathogenic fungus <i>Beauveria bassiana</i>
Metabolism of plant-derived toxins from its insect host increases the success of the entomopathogenic fungus <i>Beauveria bassiana</i> Open
Beauveria bassiana is a soil fungus that parasitizes a large number of arthropod species, including numerous crop pests, causing white muscardine disease and is therefore used as a biological insecticide. However, some insects, such as the…
View article: Plant geographic distribution influences chemical defenses in native and introduced<i>Plantago lanceolata</i>populations
Plant geographic distribution influences chemical defenses in native and introduced<i>Plantago lanceolata</i>populations Open
Plants growing outside their native range may be confronted by new regimes of herbivory, but how this affects plant chemical defense profiles has rarely been studied. Using Plantago lanceolata as a model species, we investigated whether in…
View article: Hormone and carbohydrate regulation of defense secondary metabolites in a Mediterranean forest during drought
Hormone and carbohydrate regulation of defense secondary metabolites in a Mediterranean forest during drought Open