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Browsing by Author "Overy, David P."

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epi-Neozaline, a chemotaxonomic marker for Penicillium tulipae

Overy, David P.; Phipps, R. K.; Larsen, T. O.; Frydenvang, K. (2006)

Reported here is the structural confirmation of the metabolites meleagrin (1) and the new metabolite, epi-neoxaline (2) obtained from the Penicillium tulipae Overy & Frisvad type strain (IBT 3458; IBT culture collection, ...
Explanatory signal interpretation and metabolite identification strategies for nominal mass FIE-MS metabolite fingerprints

Overy, David P.; Enot, D. P.; Tailliart, K.; Jenkins, H.; Parker, D.; Beckmann, M.; Draper, J. (2008-02-28)

Flow injection electrospray mass spectrometry (FIE-MS) metabolite fingerprinting is widely used as a 'first pass' screen for compositional differences, where discrimination between samples can be achieved without any ...
Four psychrotolerant species with high chemical diversity consistently producing cycloaspeptide A, Penicillium jamesonlandense sp nov., Penicillium ribium sp nov., Penicillium soppil and Penicillium lanosum

Louis-Seize, G.; Fettinger, J. C.; Larsen, T. O.; Seifert, K. A.; Frisvad, J. C.; Overy, David P.; Lyhne, E. K.; Jarvis, B. B.; Dalsgaard, P. W. (2006)

Penicillium jamesonlandense is a novel species from Greenland that grows exceptionally slowly at 25 °C and has an optimum temperature for growth of 17–18 °C. The novel species is more psychrotolerant than any other Penicillium ...
Metabolomic analysis reveals a common pattern of metabolic re-programming during invasion of three host plant species by Magnaporthe grisea

Parker, D.; Beckmann, M.; Zubair, H.; Enot, D. P.; Caracuel-Rios, Zaira; Overy, David P.; Snowdon, Stuart; Talbot, Nicholas J.; Draper, J. (2009-09)

The mechanisms by which biotrophic and hemi-biotrophic fungal pathogens simultaneously subdue plant defences and sequester host nutrients are poorly understood. Using metabolite fingerprinting, we show that Magnaporthe ...
Predicting interpretability of metabolome models based on behavior, putative identity, and biological relevance of explanatory signals

Enot, David P.; Beckmann, Manfred; Overy, David P.; Draper, John (2006-10-03)

Powerful algorithms are required to deal with the dimensionality of metabolomics data. Although many achieve high classification accuracy, the models they generate have limited value unless it can be demonstrated that they ...
Preprocessing, classification modeling and feature selection using flow injection electrospray mass spectrometry metabolite fingerprint data

Enot, David P.; Lin, Wanchang; Beckmann, Manfred; Parker, David; Overy, David P.; Draper, John (2008-02-23)

Metabolome analysis by flow injection electrospray mass spectrometry (FIE-MS) fingerprinting generates measurements relating to large numbers of m/z signals. Such data sets often exhibit high variance with a paucity of ...
Representation, comparison, and interpretation of metabolome fingerprint data for total composition analysis and quality trait investigation in potato cultivars

Beckmann, Manfred; Enot, David P.; Overy, David P.; Draper, John (2007-04-07)

Understanding attributes of crop varieties and food raw materials underlying desirable characteristics is a significant challenge. Metabolomics technology based on flow infusion electrospray ionization mass spectrometry ...
Rice blast infection of Brachypodium distachyon as a model system to study dynamic host/pathogen interactions

Parker, David; Beckmann, Manfred; Enot, David P.; Overy, David P.; Rios, Zaira C.; Gilbert, Martin; Talbot, Nicholas; Draper, John (2008-01-01)

Interactions between plants and compatible fungal pathogens are spatially and temporally dynamic, posing a major challenge for sampling and data analysis. A protocol is described for the infection of the model grass species ...

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