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List of works by Karl Fraser

A combination of lipidomics, MS imaging, and PET scan imaging reveals differences in cerebral activity in rat pups according to the lipid quality of infant formulas.

scientific article published on 22 March 2018

A hydrophilic interaction liquid chromatography-mass spectrometry (HILIC-MS) based metabolomics study on colour stability of ovine meat.

scientific article published on 20 February 2016

A large-scale metabolomics study to harness chemical diversity and explore biochemical mechanisms in ryegrass

scientific article published on 04 March 2019

A novel family of cyclic oligopeptides derived from ribosomal peptide synthesis of an in planta-induced gene, gigA, in Epichloë endophytes of grasses

scientific article published on 27 October 2015

A reverse-phase liquid chromatography/mass spectrometry method for the analysis of high-molecular-weight fructooligosaccharides

scientific article published on 14 August 2009

An extracellular siderophore is required to maintain the mutualistic interaction of Epichloë festucae with Lolium perenne

scientific article

Analysis of high-molecular-weight fructan polymers in crude plant extracts by high-resolution LC-MS.

scientific article published on 17 September 2011

Analysis of low molecular weight metabolites in tea using mass spectrometry-based analytical methods

scientific article published on January 2014

Analysis of metabolic markers of tea origin by UHPLC and high resolution mass spectrometry

article by Karl Fraser et al published October 2013 in Food Research International

Association of Plasma Lipids and Polar Metabolites with Low Bone Mineral Density in Singaporean-Chinese Menopausal Women: A Pilot Study.

scientific article

Automated high through-put analysis of fractions generated during the isolation of natural products

Biochemical Outcome of Blocking the Ergot Alkaloid Pathway of a Grass Endophyte ⬇️

scientific article published on October 22, 2003

Characterization of Proanthocyanidins from Seeds of Perennial Ryegrass (Lolium perenne L.) and Tall Fescue (Festuca arundinacea) by Liquid Chromatography-Mass Spectrometry

scientific article published on 17 August 2016

Characterization of condensed tannins from Lotus species by thiolytic degradation and electrospray mass spectrometry

article

Competition between foliar Neotyphodium lolii endophytes and mycorrhizal Glomus spp. fungi in Lolium perenne depends on resource supply and host carbohydrate content

article

Condensed tannins and flavonoids from the forage legume sulla (Hedysarum coronarium).

scientific article

Digestive Responses to Fortified Cow or Goat Dairy Drinks: A Randomised Controlled Trial

scholarly article

E/Z-Thesinine-O-4'-alpha-rhamnoside, pyrrolizidine conjugates produced by grasses (Poaceae).

scientific article published on 6 May 2008

Elevation of Condensed Tannins in the Leaves of Ta-MYB14-1 White Clover (Trifolium repens L.) Outcrossed with High Anthocyanin Lines

scientific article published on 23 July 2019

Expression and functional characterization of a white clover isoflavone synthase in tobacco

scientific article

Expression of the R2R3-MYB transcription factor TaMYB14 from Trifolium arvense activates proanthocyanidin biosynthesis in the legumes Trifolium repens and Medicago sativa

scientific article

Functional analysis of an indole-diterpene gene cluster for lolitrem B biosynthesis in the grass endosymbiont Epichloë festucae

scientific article

Glucocorticoids affect bone mineral density and bone remodelling in OVX sheep: A pilot study

scientific article published on 15 November 2018

Glycan Utilisation and Function in the Microbiome of Weaning Infants

scientific article published on 04 July 2019

Gut Microbial Metabolites and Biochemical Pathways Involved in Irritable Bowel Syndrome: Effects of Diet and Nutrition on the Microbiome

scientific article published on 31 December 2019

HPLC–MS/MS profiling of proanthocyanidins in teas: A comparative study

article by Karl Fraser et al published May 2012 in Journal of Food Composition and Analysis

High-throughput direct-infusion ion trap mass spectrometry: a new method for metabolomics

scientific article published on 01 January 2007

Human milk and infant formula differentially alters the microbiota composition and functional gene relative abundance in the small and large intestines in weanling rats

scientific article published on 19 July 2019

Identification of Urinary Biomarkers of Colon Inflammation in IL10-/- Mice Using Short‐Column LCMS Metabolomics ⬇️

scientific article published on December 6, 2010

Identification of extracellular siderophores and a related peptide from the endophytic fungus Epichloë festucae in culture and endophyte-infected Lolium perenne.

scientific article published on 22 December 2011

Impact of a High Protein Intake on the Plasma Metabolome in Elderly Males: 10 Week Randomized Dietary Intervention

scientific article published on 06 December 2019

Impacts of Formula Supplemented with Milk Fat Globule Membrane on the Neurolipidome of Brain Regions of Piglets

scientific article published in 2022

Impacts of endophyte infection of ryegrass on rhizosphere metabolome and microbial community

Infant Complementary Feeding of Prebiotics for theMicrobiome and Immunity

scientific article published on 09 February 2019

Isolation and characterisation of procyanidins from Rumex obtusifolius.

scientific article

Lipidomics of Brain Tissues in Rats Fed Human Milk from Chinese Mothers or Commercial Infant Formula

scientific article published on 28 October 2019

Low pyrrolizidine alkaloid levels in perennial ryegrass is associated with the absence of a homospermidine synthase gene

scientific article published on 6 April 2018

Metabolic changes and associated cytokinin signals in response to nitrate assimilation in roots and shoots of Lolium perenne

scientific article published on 12 December 2015

Metabolic profiles of Lolium perenne are differentially affected by nitrogen supply, carbohydrate content, and fungal endophyte infection

scientific article published on 24 January 2008

Metabolome and microbiome profiling of a stress-sensitive rat model of gut-brain axis dysfunction

scientific article published on 01 October 2019

Metabolomic signatures for visceral adiposity and dysglycaemia in Asian Chinese and Caucasian European adults: the cross-sectional TOFI_Asia study

scientific article published on 16 November 2020

Monitoring tea fermentation/manufacturing by direct analysis in real time (DART) mass spectrometry

scientific article published on 24 May 2013

Non-targeted analysis by LC-MS of major metabolite changes during the oolong tea manufacturing in New Zealand

scientific article published on 18 November 2013

Non-targeted analysis of tea by hydrophilic interaction liquid chromatography and high resolution mass spectrometry

scientific article published on 19 March 2012

Omics analysis reveals variations among commercial sources of bovine milk fat globule membrane

scientific article published on 07 February 2020

Peramine and other fungal alkaloids are exuded in the guttation fluid of endophyte-infected grasses

scientific article published on 28 November 2006

Predicting retention time in hydrophilic interaction liquid chromatography mass spectrometry and its use for peak annotation in metabolomics

scientific article published on 7 September 2014

Reduced efficacy of moxidectin and abamectin in young red deer (Cervus elaphus) after 20 years of moxidectin pour-on use on a New Zealand deer farm

scientific article published on 28 September 2013

Serum metabolomics using ultra performance liquid chromatography coupled to mass spectrometry in lactating dairy cows following a single dose of sporidesmin.

scientific article published on 17 April 2018

Skatole and indole concentration and the odour of fat from lambs that had grazed perennial ryegrass/white clover pasture or Lotus corniculatus

article by N.M. Schreurs et al published November 2007 in Animal Feed Science and Technology

The <i>Brassica napus</i> (oilseed rape) seeds bioactive health effects are modulated by agronomical traits as assessed by a multi-scale omics approach in the metabolically impaired <i>ob</i>-mouse

scientific article published on 06 February 2021

The Development and Application of Non- Targeted Mass Spectrometry Based Methods to Tea (Camellia Sinensis L.) ⬇️

2014 doctoral thesis by Karl Fraser at University of Auckland

The Use of Genomics and Metabolomics Methods to Quantify Fungal Endosymbionts and Alkaloids in Grasses

scientific article published on 01 January 2012

The effect of supplementation of a white clover or perennial ryegrass diet with grape seed extract on indole and skatole metabolism and the sensory characteristics of lamb

The effects of condensed tannins fromDorycnium rectumon skatole and indole ruminal biogenesis for grazing sheep

Tissue-Specific Sample Dilution: An Important Parameter to Optimise Prior to Untargeted LC-MS Metabolomics

scientific article published on 27 June 2019

Untargeted metabolic profiling of dogs with a suspected toxic mitochondrial myopathy using liquid chromatography-mass spectrometry

scientific article published on 16 May 2019

Using non-targeted direct analysis in real time-mass spectrometry (DART-MS) to discriminate seeds based on endogenous or exogenous chemicals

scientific article

Variation in antimicrobial action of proanthocyanidins from Dorycnium rectum against rumen bacteria

scientific article published in September 2004

Variation of proanthocyanidins in Lotus species

scientific article

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