Abstract
In plants, secondary metabolite profiles provide a unique opportunity to explore seasonal variation and responses to the environment. These include both abiotic and biotic factors. In field experiments, such stress factors occur in combination. This variation alters the plant metabolic profiles in yet uninvestigated ways. This data set contains trait and mass spectrometry data of thirteen grassland species collected at four time points in the growing season in 2017. We collected above-ground vegetative material of seven grass and six herb species that were grown in plant communities with different levels of diversity in the Jena Experiment. For each sample, we recorded visible traits and acquired shoot metabolic profiles on a UPLC-ESI-Qq-TOF-MS. We performed the raw data pre-processing in Galaxy-W4M and prepared the data for statistical analysis in R by applying missing data imputation, batch correction, and validity checks on the features. This comprehensive data set provides the opportunity to investigate environmental dynamics across diverse neighbourhoods that are reflected in the metabolomic profile.
Highlights
Background & SummaryPlants respond and adapt to environmental changes in many ways
For example, possess physical defences to cope with herbivores and abiotic stress factors[1]
Plants produce chemicals as defence strategies. These plant metabolites provide a unique opportunity to explore these adaptations as the metabolic profile is known to reflect environmental changes[2,3,4]
Summary
Plants respond and adapt to environmental changes in many ways. Some plant species, for example, possess physical defences to cope with herbivores and abiotic stress factors[1]. These plant metabolites provide a unique opportunity to explore these adaptations as the metabolic profile is known to reflect environmental changes[2,3,4] Both the primary and the secondary metabolome are involved in the responses to biotic[5,6] and abiotic factors[7,8,9]. Grasslands are an ideal study system to investigate the effects of plant community compositions on the plant metabolomic profiles In these ecosystems, we find a relatively high number of fast-growing grass and herb species[19]. We recorded both visible traits and metabolomic profiles to investigate species specific responses of thirteen grassland species to the composition of their neighbourhoods.
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