Albert Robbat
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View article: The Chemistry of Green and Roasted Coffee by Selectable 1D/2D Gas Chromatography Mass Spectrometry with Spectral Deconvolution
The Chemistry of Green and Roasted Coffee by Selectable 1D/2D Gas Chromatography Mass Spectrometry with Spectral Deconvolution Open
Gas chromatography/mass spectrometry (GC/MS) is a long-standing technique for the analysis of volatile organic compounds (VOCs). When coupled with the Ion Analytics software, GC/MS provides unmatched selectivity in the analysis of complex …
View article: The diversity and function of sourdough starter microbiomes
The diversity and function of sourdough starter microbiomes Open
Humans have relied on sourdough starter microbial communities to make leavened bread for thousands of years, but only a small fraction of global sourdough biodiversity has been characterized. Working with a community-scientist network of b…
View article: The diversity and function of sourdough starter microbiomes
The diversity and function of sourdough starter microbiomes Open
ASVs tables, taxonomy, metadata
View article: Author response: The diversity and function of sourdough starter microbiomes
Author response: The diversity and function of sourdough starter microbiomes 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 Humans have relied on sourdou…
View article: Strain-Level Diversity Impacts Cheese Rind Microbiome Assembly and Function
Strain-Level Diversity Impacts Cheese Rind Microbiome Assembly and Function Open
Our work demonstrated that the specific microbial strains used to construct a microbiome could impact the species composition, perturbation responses, and functional outputs of that system. These findings suggest that 16S rRNA gene taxonom…
View article: Changes in Tea Plant Secondary Metabolite Profiles as a Function of Leafhopper Density and Damage
Changes in Tea Plant Secondary Metabolite Profiles as a Function of Leafhopper Density and Damage Open
Insect herbivores have dramatic effects on the chemical composition of plants. Many of these induced metabolites contribute to the quality (e.g., flavor, human health benefits) of specialty crops such as the tea plant (Camellia sinensis). …
View article: Climate and Processing Effects on Tea (Camellia sinensis L. Kuntze) Metabolome: Accurate Profiling and Fingerprinting by Comprehensive Two-Dimensional Gas Chromatography/Time-of-Flight Mass Spectrometry
Climate and Processing Effects on Tea (Camellia sinensis L. Kuntze) Metabolome: Accurate Profiling and Fingerprinting by Comprehensive Two-Dimensional Gas Chromatography/Time-of-Flight Mass Spectrometry Open
This study applied an untargeted–targeted (UT) fingerprinting approach, based on comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC×GC-TOF MS), to assess the effects of rainfall and temperature (both seas…
View article: Plant-Climate Interaction Effects: Changes in the Relative Distribution and Concentration of the Volatile Tea Leaf Metabolome in 2014–2016
Plant-Climate Interaction Effects: Changes in the Relative Distribution and Concentration of the Volatile Tea Leaf Metabolome in 2014–2016 Open
Climatic conditions affect the chemical composition of edible crops, which can impact flavor, nutrition and overall consumer preferences. To understand these effects, we sampled tea (Camellia sinensis (L.) Kuntze) grown in different enviro…
View article: Untargeted/Targeted 2D Gas Chromatography/Mass Spectrometry Detection of the Total Volatile Tea Metabolome
Untargeted/Targeted 2D Gas Chromatography/Mass Spectrometry Detection of the Total Volatile Tea Metabolome Open
Identifying all analytes in a natural product is a daunting challenge, even if fractionated by volatility. In this study, comprehensive two-dimensional gas chromatography/mass spectrometry (GC×GC-MS) was used to investigate relative distri…
View article: Rapid Phenotypic and Metabolomic Domestication of Wild <i>Penicillium</i> Molds on Cheese
Rapid Phenotypic and Metabolomic Domestication of Wild <i>Penicillium</i> Molds on Cheese Open
Industrial cultures of filamentous fungi are used to add unique aesthetics and flavors to cheeses and other microbial foods. How these microbes adapted to live in food environments is generally unknown as most microbial domestication is un…
View article: Environmental Factors Variably Impact Tea Secondary Metabolites in the Context of Climate Change
Environmental Factors Variably Impact Tea Secondary Metabolites in the Context of Climate Change Open
Climate change is impacting food and beverage crops around the world with implications for environmental and human well-being. While numerous studies have examined climate change effects on crop yields, relatively few studies have examined…
View article: Strain-level diversity impacts cheese rind microbiome assembly and function
Strain-level diversity impacts cheese rind microbiome assembly and function Open
Taxa that are consistently found across microbial communities are often considered members of a core microbiome. One common assumption is that taxonomically identical core microbiomes will have similar dynamics and functions across communi…
View article: Rapid phenotypic and metabolomic domestication of wild<i>Penicillium</i>molds on cheese
Rapid phenotypic and metabolomic domestication of wild<i>Penicillium</i>molds on cheese Open
Fermented foods provide novel ecological opportunities for natural populations of microbes to evolve through successive recolonization of resource-rich substrates. Comparative genomic data have reconstructed the evolutionary histories of m…
View article: Data and analysis scripts for: Interactive effects of drought severity and simulated herbivory on tea (Camellia sinensis) volatile and non-volatile metabolites.
Data and analysis scripts for: Interactive effects of drought severity and simulated herbivory on tea (Camellia sinensis) volatile and non-volatile metabolites. Open
Cleaned data and analysis scripts including GC/MS, LC/MS, photosynthesis, plant growth, and weather data. Data are stored as .rds files which can be opened in R. Analysis scripts are as .Rmd (R Markdown) files which can be viewed in R Stud…
View article: Association between Empirically Estimated Monsoon Dynamics and Other Weather Factors and Historical Tea Yields in China: Results from a Yield Response Model
Association between Empirically Estimated Monsoon Dynamics and Other Weather Factors and Historical Tea Yields in China: Results from a Yield Response Model Open
Farmers in China’s tea-growing regions report that monsoon dynamics and other weather factors are changing and that this is affecting tea harvest decisions. To assess the effect of climate change on tea production in China, this study uses…