Martin Schäfer
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View article: Aphid herbivory on macrophytes drives adaptive evolution in an aquatic community via indirect effects
Aphid herbivory on macrophytes drives adaptive evolution in an aquatic community via indirect effects Open
Indirect ecological effects occur when the impact of one species on another is mediated by a third species or the shared environment. Although indirect effects are ubiquitous in nature, we know remarkably little about how they may drive ec…
View article: Copper resistance predicts heritable transgenerational fitness variation in the clonal duckweed <i>Spirodela polyrhiza</i>
Copper resistance predicts heritable transgenerational fitness variation in the clonal duckweed <i>Spirodela polyrhiza</i> Open
Transgenerational plasticity in the absence of genetic change can alter organismal fitness, yet we know little about the genetic basis of transgenerational fitness effects. Here, we explored whether transgenerational fitness effects can be…
View article: Copper‐Induced Transgenerational Plasticity in Plant Defence Boosts Aphid Fitness
Copper‐Induced Transgenerational Plasticity in Plant Defence Boosts Aphid Fitness Open
Transgenerational plasticity in plants is an increasingly recognized phenomenon, yet it is mostly unclear whether transgenerational plasticity is relevant to both the fitness of the plant and its interacting species. Using monoclonal strai…
View article: Herbivory can increase plant fitness via reduced interspecific competition—evidence from models and mesocosms
Herbivory can increase plant fitness via reduced interspecific competition—evidence from models and mesocosms Open
Herbivores are generally considered to reduce plant fitness. However, as in natural communities they often feed on several competing plant species, herbivores can also increase plant fitness by reducing interspecific competition among plan…
View article: Genome‐wide association study of metabolic traits in the giant duckweed <i>Spirodela polyrhiza</i>
Genome‐wide association study of metabolic traits in the giant duckweed <i>Spirodela polyrhiza</i> Open
The exceptionally high growth rate and high flavonoid content make the giant duckweed Spirodela polyrhiza (L.) Schleid. (Arales: Lemnaceae Martinov) an ideal organism for food production and metabolic engineering. To facilitate this, ident…
View article: Genome-Wide Association Study of Metabolic Traits in the Duckweed<i>Spirodela polyrhiza</i>
Genome-Wide Association Study of Metabolic Traits in the Duckweed<i>Spirodela polyrhiza</i> Open
The exceptionally high growth rate and high contents of flavonoids make the giant duckweed Spirodela polyrhiza (L.) Schleid. (Arales: Lemnaceae) an ideal organism for food production and metabolic engineering. To facilitate this, identific…
View article: Herbivory can increase plant fitness via reduced interspecific competition – evidence from models and mesocosms
Herbivory can increase plant fitness via reduced interspecific competition – evidence from models and mesocosms Open
Herbivores are generally considered to reduce plant fitness. However, as in natural communities herbivores often feed on several competing plant species, herbivores can also increase plant fitness by reducing interspecific competition amon…
View article: Genetic Mechanism of Non-Targeted-Site Resistance to Diquat in Spirodela polyrhiza
Genetic Mechanism of Non-Targeted-Site Resistance to Diquat in Spirodela polyrhiza Open
Understanding non-target-site resistance (NTSR) to herbicides represents a pressing challenge as NTSR is widespread in many weeds. Using giant duckweed (Spirodela polyrhiza) as a model, we systematically investigated genetic and molecular …
View article: Evidence of active oviposition avoidance to systemically applied imidacloprid in the Colorado potato beetle
Evidence of active oviposition avoidance to systemically applied imidacloprid in the Colorado potato beetle Open
Agricultural pests can develop behavioral resistance to insecticides by choosing to feed or oviposit on insecticide‐free hosts. As young larvae have relatively low mobility, oviposition preferences from female adults may play a critical ro…
View article: Induced responses contribute to rapid adaptation of Spirodela polyrhiza to herbivory by Lymnaea stagnalis
Induced responses contribute to rapid adaptation of Spirodela polyrhiza to herbivory by Lymnaea stagnalis Open
Herbivory-induced responses in plants are typical examples of phenotypic plasticity, and their evolution is thought to be driven by herbivory. However, direct evidence of the role of induced responses in plant adaptive evolution to herbivo…
View article: The Effects of Microbiota on the Herbivory Resistance of the Giant Duckweed Are Plant Genotype-Dependent
The Effects of Microbiota on the Herbivory Resistance of the Giant Duckweed Are Plant Genotype-Dependent Open
In nature, all plants live with microbes, which can directly affect their host plants’ physiology and metabolism, as well as their interacting partners, such as herbivores. However, to what extent the microbiota shapes the adaptive evoluti…
View article: Induced responses contribute to rapid plant adaptation to herbivory
Induced responses contribute to rapid plant adaptation to herbivory Open
Herbivory-induced responses in plants are typical examples of phenotypic plasticity, and their evolution is thought to be driven by herbivory. However, direct evidence of the role of induced responses in plant adaptive evolution to herbivo…
View article: Evidence of active oviposition avoidance to systemically applied imidacloprid in the Colorado Potato Beetle (<i>Leptinotarsa decemlineata</i>)
Evidence of active oviposition avoidance to systemically applied imidacloprid in the Colorado Potato Beetle (<i>Leptinotarsa decemlineata</i>) Open
Agricultural pests can develop behavioral resistance to insecticides via choosing to feed or oviposit on non-toxic hosts. As young larvae have relatively low mobility, oviposition preferences from female adults may play a critical role in …
View article: Transcriptomic Profiling Reveals Shared Signalling Networks Between Flower Development and Herbivory-Induced Responses in Tomato
Transcriptomic Profiling Reveals Shared Signalling Networks Between Flower Development and Herbivory-Induced Responses in Tomato Open
Most flowering plants must defend themselves against herbivores for survival and attract pollinators for reproduction. Although traits involved in plant defence and pollinator attraction are often localised in leaves and flowers, respectiv…
View article: Specific decorations of 17-hydroxygeranyllinalool diterpene glycosides solve the autotoxicity problem of chemical defense in <i>Nicotiana attenuata</i>
Specific decorations of 17-hydroxygeranyllinalool diterpene glycosides solve the autotoxicity problem of chemical defense in <i>Nicotiana attenuata</i> Open
The native diploid tobacco Nicotiana attenuata produces abundant, potent anti-herbivore defense metabolites known as 17-hydroxygeranyllinalool diterpene glycosides (HGL-DTGs) whose glycosylation and malonylation biosynthetic steps are regu…
View article: Specific decorations of 17-hydroxygeranyllinalool diterpene glycosides solve the autotoxicity problem of chemical defense in<i>Nicotiana attenuata</i>
Specific decorations of 17-hydroxygeranyllinalool diterpene glycosides solve the autotoxicity problem of chemical defense in<i>Nicotiana attenuata</i> Open
17-hydroxygeranyllinalool diterpene glycosides (HGL-DTGs) are abundant and potent anti-herbivore defense metabolites in Nicotiana attenuata whose glycosylation and malonylation biosynthetic steps are regulated by jasmonate signaling. To ch…
View article: ZEITLUPE facilitates the rhythmic movements of <i>Nicotiana attenuata</i> flowers
ZEITLUPE facilitates the rhythmic movements of <i>Nicotiana attenuata</i> flowers Open
SUMMARY Circadian organ movements are ubiquitous in plants. These rhythmic outputs are thought to be regulated by the circadian clock and auxin signalling, but the underlying mechanisms have not been clarified. Flowers of Nicotiana attenua…
View article: Quantification of Blumenol Derivatives as Leaf Biomarkers for Plant-AMF Association
Quantification of Blumenol Derivatives as Leaf Biomarkers for Plant-AMF Association Open
Symbiotic interactions between arbuscular mycorrhizal fungi (AMF) and plants are widespread among land plants and can be beneficial for both partners. The plant is provided with mineral nutrients such as nitrogen and phosphorous, whereas i…
View article: Blumenols as shoot markers of root symbiosis with arbuscular mycorrhizal fungi
Blumenols as shoot markers of root symbiosis with arbuscular mycorrhizal fungi Open
High-through-put (HTP) screening for functional arbuscular mycorrhizal fungi (AMF)-associations is challenging because roots must be excavated and colonization evaluated by transcript analysis or microscopy. Here we show that specific leaf…
View article: Cytokinin transfer by a free-living mirid to Nicotiana attenuata recapitulates a strategy of endophytic insects
Cytokinin transfer by a free-living mirid to Nicotiana attenuata recapitulates a strategy of endophytic insects Open
Endophytic insects provide the textbook examples of herbivores that manipulate their host plant’s physiology, putatively altering source/sink relationships by transferring cytokinins (CK) to create ‘green islands’ that increase the nutriti…
View article: Author response: Blumenols as shoot markers of root symbiosis with arbuscular mycorrhizal fungi
Author response: Blumenols as shoot markers of root symbiosis with arbuscular mycorrhizal fungi Open
Article Figures and data Abstract eLife digest Introduction Results Discussion Materials and methods Data availability References Decision letter Author response Article and author information Metrics Abstract High-through-put (HTP) screen…
View article: Author response: Cytokinin transfer by a free-living mirid to Nicotiana attenuata recapitulates a strategy of endophytic insects
Author response: Cytokinin transfer by a free-living mirid to Nicotiana attenuata recapitulates a strategy of endophytic insects Open
Article Figures and data Abstract eLife digest Introduction Results Discussion Materials and methods Data availability References Decision letter Author response Article and author information Metrics Abstract Endophytic insects provide th…
View article: <i>NaMYB8</i> regulates distinct, optimally distributed herbivore defense traits
<i>NaMYB8</i> regulates distinct, optimally distributed herbivore defense traits Open
Summary When herbivores attack, plants specifically reconfigure their metabolism. Herbivory on the wild tobacco Nicotiana attenuata strongly induces the R2R3 MYB transcriptional activator MYB8, which was reported to specifically regulate t…
View article: Flower-specific jasmonate signaling regulates constitutive floral defenses in wild tobacco
Flower-specific jasmonate signaling regulates constitutive floral defenses in wild tobacco Open
Significance Plants are at the base of most food chains and hence are frequently attacked by herbivores. Leaves are the dominant aboveground tissues of most plants and their defense responses against folivores are well studied and known to…
View article: Custom Optomechanics for the Optical Synchronization System at the European XFEL
Custom Optomechanics for the Optical Synchronization System at the European XFEL Open
Free-electron-lasers like the upcoming European XFEL demand highly reliable optical synchronization in range of few femtoseconds. The well known optical synchronization system at FLASH had to be re-engineered to meet XFEL requirements comp…
View article: Changes in cytokinins are sufficient to alter developmental patterns of defense metabolites in <i>Nicotiana attenuata</i>
Changes in cytokinins are sufficient to alter developmental patterns of defense metabolites in <i>Nicotiana attenuata</i> Open
Summary Plant defense metabolites are well known to be regulated developmentally. The optimal defense ( OD ) theory posits that a tssue's fitness values and probability of attack should determine defense metabolite allocations. Young leave…