A5005467993- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Organic Food and Agriculture
- Synthesis and Reactions of Organic Compounds
- Wine Industry and Tourism
- Synthesis of heterocyclic compounds
- Structural and Chemical Analysis of Organic and Inorganic Compounds
- Enzyme Catalysis and Immobilization
- Cyclopropane Reaction Mechanisms
- Fluorine in Organic Chemistry
- Consumer behavior in food and health
- Agricultural Economics and Policy
- Synthesis and Reactivity of Sulfur-Containing Compounds
- Cooperative Studies and Economics
- Agriculture Sustainability and Environmental Impact
- Crystallography and molecular interactions
- Chemical Synthesis and Analysis
- Synthesis and biological activity
- Microbial Metabolic Engineering and Bioproduction
- Chemical Synthesis and Reactions
- Synthesis and Catalytic Reactions
- Synthesis and Biological Evaluation
- Organic and Inorganic Chemical Reactions
- Chemical Reaction Mechanisms
- Food Waste Reduction and Sustainability
University of Göttingen
1993-2022
Lincoln University
2017-2019
Agricultural & Applied Economics Association
2016-2017
University of Konstanz
2015-2016
Kiel University
2011-2015
University of Basel
2010-2013
St Petersburg University
2002-2012
Leipzig University
1997-2011
Max Planck Institute for Chemical Ecology
2004-2009
Max Planck Society
2004-2009
In higher plants, biotic stress (e.g., herbivore or pathogen attack) as well abiotic (in particular heavy metals) often induce the synthesis and accumulation of same defense‐related secondary metabolites. This well‐known finding still awaits an explanation regarding common features both types. this study, a mechanism is proposed that links reactive oxygen species (ROS) generation with lipid oxidation processes, ultimately resulting in formation similar, highly active signalling compounds....
Plant cells can be sensitized toward a subsequent pathogen attack by avirulent pathogens or chemicals such as β-aminobutyric acid (BABA). This process is called priming. Using reverse genetic approach in Arabidopsis thaliana, we demonstrate that the BABA-responsive L-type lectin receptor kinase-VI.2 (LecRK-VI.2) contributes to disease resistance against hemibiotrophic Pseudomonas syringae and necrotrophic Pectobacterium carotovorum bacteria. Accordingly, LecRK-VI.2 mRNA levels increased...
Plant volatiles emitted by Medicago truncatula in response to feeding larvae of Spodoptera exigua are composed a complex blend terpenoids. The cDNAs three terpene synthases (TPSs), which contribute the terpenoids, were cloned from M. truncatula. Their functional characterization proved MtTPS1 be β-caryophyllene synthase and MtTPS5 multi-product sesquiterpene synthase. MtTPS3 encodes bifunctional enzyme producing (E)-nerolidol geranyllinalool (precursors C11 C16 homoterpenes) different prenyl...
Abstract The endogenous Arabidopsis (Arabidopsis thaliana) peptides, AtPeps, elicit an innate immune response reminiscent of pattern-triggered immunity. Detection various danger signals, including microbe-associated molecular patterns (MAMPs), leads to elevated transcription PROPEPs, the AtPep precursors, and PEPRs, receptors. It has been hypothesized that AtPeps are involved in enhancing Following this idea, we analyzed relationship between MAMP- AtPep-elicited signaling. We found...
In this paper we develop a measurement scale for relationship quality in procurement which provides management tool agribusiness companies to evaluate their supply chain basis. agribusiness, processors are often confronted with thousands of small farmer-suppliers. According findings from several research streams, argue that must be conceptualised as construct comprising satisfaction, trust, and commitment. We test our model the German dairy pork chains, thereby providing new insights into...
We present a new, rapid method for high-resolution online determination of delta13C in tree rings, combining laser ablation (LA), combustion (C), gas chromatography (GC) and isotope ratio mass spectrometry (IRMS) (LA-C-GC-IRMS). Sample material was extracted every 6 min with UV-laser from core, leaving 40-microm-wide holes. Ablated wood dust combusted to CO2 at 700 degrees C, separated other gases on GC column injected into an spectrometer after removal water vapor. The measurements were...
Purpose – The paper aims to advance the conceptual understanding of supply chain orientation (SCO) in small and medium-sized enterprises (SME) as a general attitude empirically measure link between SCO willingness implement management (SCM). Coordination among stages is widely considered important for competitiveness all sectors. Recently, actors has been discussed precondition successful implementation SCM. Design/methodology/approach operationalized two-dimensional attitudinal construct....
In the literature it is often hypothesised that contracts and vertical integration are of paramount importance for future competitiveness meat supply chains. The continued coexistence two different types pork production chains throughout world - less integrated systems in, instance, many Western European countries stricter coordinated based on in such as U.S.A. Denmark rarely discussed agribusines literature. Some authors expect a trend towards more intense coordination consider loose...
Abstract The stability of the serine proteases from Bacillus amyloliquefaciens (subtillisin BPN') and licheniformis (subtilisin Carlsberg) was investigated in various anhydrous solvents at 45°C. half‐life subtilisin BPN' dimethyl‐formamide dramatically depends on pH aqueous solutions which enzyme lyophilized, increasing 48 min to 20 h when is raised 6.0 7.9. Both subtilisins exhibited substantial inactivation during multihour incubations tert ‐ amyl alcohol acetonitrile enzymatic activities...
Benthic diatoms live in photoautotrophic/heterotrophic biofilm communities embedded a matrix of secreted extracellular polymeric substances. Closely associated bacteria influence their growth, aggregation, and secretion exopolymers. We have studied diatom/bacteria model community, which marine Roseobacter strain is able to grow with diatom exopolymers as sole source carbon. The influences the aggregation Phaeodactylum tricornutum by inducing morphotypic transition from planktonic, fusiform...
Temporal patterns of stem and needle production total aboveground net primary (ANPP) were studied at the tree stand level along four chronosequences Siberian Scots pine (Pinus sylvestris L.) forests differing in site quality (poor lichen type or more fertile Vaccinium type) frequency surface fires (unburned, moderately burned (fire return interval ∼40 years), heavily ∼25 years)). The maximum range variability was quantified for: (1) possible long-term changes quality; (2) age; (3)...
Evidence of market integration between farmed pangasius and wild-caught whitefish is provided in the literature, pointing towards prices being determined on large international market. In presence price transmission value chain, global growth farming does therefore not itself reduce farm-gate Vietnam. this paper, chain from farmers Vietnam, via export to final consumption Germany, tested using Johansen cointegration framework. Price identified both Vietnam retail Germany. The Law One was...
The biocatalyzed hydrolytic kinetic resolution of 2-, 3-, and 4-pyridyloxirane by the Aspergillus niger epoxide hydrolase (EH) has been explored. This was used to perform a gram scale preparation these epoxides (S) absolute configuration using process performed at concentration as high 10 g/L (82 mM). All three have obtained in nearly enantiopure form (ee > 98%). Interestingly, it shown that this biotransformation could be achieved plain water instead buffer solution, an important...
Abstract In response to feeding larvae of the Mediterranean climbing cutworm ( Spodoptera littoralis ), leaves lima bean Phaseolus lunatus ) produce fatty acid‐derived signaling compounds (oxylipins). The major products are phytohormones jasmonic acid and its biosynthetic precursor 12‐oxophytodienoic (OPDA), along with 13‐hydroxy‐12‐oxooctadeca‐9,15‐dienoic acid, 9‐hydroxy‐12‐oxooctadeca‐10,15‐dienoic (α‐ γ‐ketol), as well unsaturated aldehydes. Oxylipin production is highest at zone insect...
Apoptotic cell death is an integral part of turnover in many tissues, and proper corpse clearance vital to maintaining tissue homeostasis all multicellular organisms. Even tissues with high cellular turnover, apoptotic cells are rarely seen because efficient mechanisms healthy individuals. In Caenorhabditis elegans, two parallel partly redundant conserved pathways act engulfment. The pathway for cytoskeletal rearrangement requires the small GTPase CED-10 Rac1 acting surround dead cell. Rac...