I. Feussner

Time-resolved oxidative signal convergence across the algae-embryophyte divide

The paper studies stress response kinetics in early land plants and their algal relatives using multi-omics data to infer ancient gene regulatory networks.

Coenzyme A biosynthesis in Bacillus subtilis: Discovery of a novel precursor metabolite for salvage and its uptake system

This study identifies a novel salvage pathway for coenzyme A in Bacillus subtilis, involving the uptake of cysteinopantetheine via a cystine transporter.

Wax ester synthase overexpression affects stomatal development, water consumption and growth of poplars

This study overexpresses wax ester synthase in poplars to improve cuticular properties, resulting in reduced stomatal conductance, increased water-use efficiency, and a growth trade-off after prolonged drought.

Transcriptomics and trans-organellar complementation reveal a limited signaling capacity of 12-cis-oxo-phytodienoic acid in wounded Arabidopsis

The paper investigates OPDA signaling in Arabidopsis by comparing transcriptomes of mutants and applying OPDA externally, finding limited signaling capacity and compartmentalization of endogenous OPDA.

The GPAT4/6/8 clade functions in Arabidopsis root suberization non-redundantly with the GPAT5/7 clade required for suberin lamellae

This paper shows that GPAT4/6/8 and GPAT5/7 clades in Arabidopsis have non-redundant roles in root suberization, with GPAT5/7 specifically required for lamellated suberin structure.

RfaA (YqhY), a novel adaptor protein, controls metabolite-sensitive protein degradation in Bacillus subtilis

This paper identifies RfaA as a regulator of fatty acid synthesis in Bacillus subtilis that targets AccC for degradation in the absence of glutamate, preventing fatty acid toxicity.

Plasticity of the Arabidopsis leaf lipidome and proteome in response to pathogen infection and heat stress

Biotic and heat stress strongly alter the lipidome and proteome of Arabidopsis leaves, including lipid droplet proteome composition.

Dual action of sphinganine in the plant disease resistance to bacteria.

This study shows that sphinganine suppresses the hypersensitive response in Arabidopsis by disrupting plasma membrane organization and effector function during bacterial infection.

Viable mutants of essential genes in Physcomitrium patens as tools for studying primary metabolic processes

The paper generates viable mutants of essential genes in Physcomitrium patens to study sphingolipid metabolism and identifies unexpected phenotypes in IPCS gene family knockouts.

Caleosin 1 contributes to seed lipid droplet degradation by interaction with autophagy-related protein ATG8

This study identifies caleosin 1 as a key protein involved in plant seed lipid droplet degradation through its interaction with autophagy-related protein ATG8 during germination.

Contrasting and conserved roles of NPR pathways in diverged land plant lineages

This study compares NPR pathway functions across diverged land plants, finding conserved and divergent roles in stress responses and transcriptional regulation.

Defining the lipidome of Arabidopsis leaf mitochondria: Specific lipid complement and lipid biosynthesis capacity

The paper defines the lipid composition and biosynthesis capacity of Arabidopsis leaf mitochondria, showing their ability to generate several lipid classes with membrane contact site-localized proteins.

N-hydroxy pipecolic acid methyl ester is involved in Arabidopsis immunity

The paper identifies novel NHP metabolites in Arabidopsis and shows that their methyl ester form can rescue a biosynthesis mutant's disease susceptibility.

Heat stress leads to rapid lipid remodelling and transcriptional adaptations in Nicotiana tabacum pollen tubes

Nicotiana tabacum pollen tubes adapt to heat stress through metabolomic changes, transcriptional adjustments, and rapid lipid remodelling.

Multi-omics analysis of xylem sap uncovers dynamic modulation of poplar defenses by ammonium and nitrate

This study analyzes how nitrogen supply affects xylem sap composition, endophyte growth, and leaf defenses in poplar through multi-omics approaches.

The evolution of the phenylpropanoid pathway entailed pronounced radiations and divergences of enzyme families

This study shows that enzyme families in the phenylpropanoid pathway underwent radiations and divergences in land plants and their algal relatives, suggesting evolutionary versatility in specialized metabolism.

Sphingolipid-Induced Programmed Cell Death Is a Salicylic Acid and EDS1-Dependent Phenotype in Arabidopsis

This study shows that sphingolipid-induced programmed cell death in Arabidopsis depends on salicylic acid and EDS1, with LCB d18:0 accumulation being a key factor.

An ancient route towards salicylic acid and its implications for the perpetual Trichormus-Azolla symbiosis

The paper identifies salicylic acid (SA) in Azolla filiculoides and shows its role in a feedback loop with cyanobacteria, supporting the perpetual nature of their symbiosis.

An integrative multi-omics approach points to membrane composition as a key factor in E. coli persistence

This study identifies membrane composition changes as a key factor in E. coli persistence using genomic, transcriptomic, and lipidomic analyses of a high-persistence mutant.

The glycosyltransferase UGT76B1 is critical for plant immunity as it governs the homeostasis of N-hydroxy-pipecolic acid

This paper identifies UGT76B1 as a glycosyltransferase critical for plant immunity by regulating N-hydroxy-pipecolic acid homeostasis, linking its metabolism to defense and growth trade-offs.

Reprogramming of the apoplast metabolome of Lolium perenne upon infection with the mutualistic symbiont Epichloë festucae

The paper investigates changes in the apoplast metabolome of Lolium perenne infected with Epichloë festucae, identifying novel metabolites and validating methods for their detection.

Ectomycorrhizal fungi induce systemic resistance against insects on a non-mycorrhizal plant in a CERK1-dependent manner

This study shows that the ectomycorrhizal fungus Laccaria bicolor induces systemic resistance against insect herbivores in Arabidopsis through a CERK1-dependent mechanism.

The cell-wall-localised BETA-XYLOSIDASE 4 contributes to immunity of Arabidopsis against Botrytis cinerea

BXL4 is a putative bifunctional xylosidase/arabinofuranosidase localising to the apoplast, important for immunity against the necrotrophic pathogen B. cinerea.

Fungal effector Jsi1 hijacks plant JA/ET signaling through Topless

This paper identifies Jsi1, a fungal effector that hijacks plant JA/ET signaling by interacting with TPL/TPR co-repressors, leading to biotrophic susceptibility.

The plastidial exporter Enhanced Disease Susceptibility 5 is required for the biosynthesis of N-hydroxy pipecolic acid

The paper shows that the exporter Enhanced Disease Susceptibility 5 is required for the biosynthesis of N-hydroxy pipecolic acid, a key compound in plant immunity.

PBS3 is the missing link in plant-specific isochorismate-derived salicylic acid biosynthesis

The paper identifies PBS3 as the enzyme that converts isochorismate to salicylic acid via isochorismate-9-glutamate in plants.

Arabidopsis mlo3 mutant plants exhibit spontaneous callose deposition and signs of early leaf senescence

This study examines Arabidopsis mlo3 mutants, finding they show spontaneous callose deposition and early senescence without pathogen challenge, suggesting a role in developmental processes rather than pathogen defense.

Pheophorbide a, a chlorophyll catabolite may regulate jasmonate signalling during dark-induced senescence in Arabidopsis

The paper shows pheophorbide a regulates jasmonate signaling during dark-induced senescence in Arabidopsis by linking chlorophyll degradation to jasmonic acid pathways.

Cyanophage-encoded lipid-desaturases: oceanic distribution, diversity and function

This study identifies and characterizes cyanophage-encoded lipid desaturases, revealing their oceanic distribution, diversity, and role in modulating host membrane fluidity and photoprotection.