The dietary protein paradox and threonine15N-depletion: Pyridoxal-5'-phosphate enzyme activity as a mechanism for the δ15N trophic level effect

Ecological niche of Neanderthals from Spy Cave revealed by nitrogen isotopes of individual amino acids in collagen

(2016) Yuichi I. Naito et al.   JOURNAL OF HUMAN EVOLUTION

Factors Controlling the Stable Nitrogen Isotopic Composition (δ15N) of Lipids in Marine Animals

(2016) Elisabeth Svensson et al.   PLoS One

Nitrogen isotopic discrimination in dietary amino acids: The threonine anomaly

(2016) Carmichael J. A. Wallace et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Multi-factorialin vivostable isotope fractionation: causes, correlations, consequences and applications

(2015) Hanns-Ludwig Schmidt et al.   ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES

Refining human palaeodietary reconstruction using amino acid δ15N values of plants, animals and humans

(2015) Amy K. Styring et al.   JOURNAL OF ARCHAEOLOGICAL SCIENCE

Trophic discrimination of nitrogen stable isotopes in amino acids varies with diet quality in a marine fish

(2015) Kelton W. McMahon et al.   LIMNOLOGY AND OCEANOGRAPHY

Trophic position estimates of marine teleosts using amino acid compound specific isotopic analysis

(2015) Christina J. Bradley et al.   LIMNOLOGY AND OCEANOGRAPHY-METHODS

Meta-analysis of amino acid stable nitrogen isotope ratios for estimating trophic position in marine organisms

(2015) Jens M. Nielsen et al.   OECOLOGIA

Microbes are trophic analogs of animals

(2015) Shawn A. Steffan et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Solving the woolly mammoth conundrum: amino acid 15N-enrichment suggests a distinct forage or habitat

(2015) Rachel Schwartz-Narbonne et al.   Scientific Reports

Diet quality influences isotopic discrimination among amino acids in an aquatic vertebrate

(2015) Yoshito Chikaraishi et al.   Ecology and Evolution

Carbon and nitrogen isotope fractionation of amino acids in an avian marine predator, the gentoo penguin (Pygoscelis papua)

(2015) Kelton W. McMahon et al.   Ecology and Evolution

Consequences of employing amino acid vs. bulk-tissue, stable isotope analysis: a laboratory trophic position experiment

(2015) R. E. Bowes et al.   Ecosphere

Transamination Governs Nitrogen Isotope Heterogeneity of Amino Acids in Rats

(2014) Alexander Braun et al.   JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

Amino acid 15N trophic enrichment factors of four large carnivorous fishes

(2014) Danielle K. Hoen et al.   JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY

Amino Acid Isotope Incorporation and Enrichment Factors in Pacific Bluefin Tuna, Thunnus orientalis

(2014) Christina J. Bradley et al.   PLoS One

High-resolution food webs based on nitrogen isotopic composition of amino acids

(2014) Yoshito Chikaraishi et al.   Ecology and Evolution

Natural Isotopic Signatures of Variations in Body Nitrogen Fluxes: A Compartmental Model Analysis

(2014) Nathalie Poupin et al.   PLoS Computational Biology

Beyond diet reconstruction: Stable isotope applications to human physiology, health, and nutrition

(2013) Laurie J. Reitsema   AMERICAN JOURNAL OF HUMAN BIOLOGY

Human baby hair amino acid natural abundance 15N-isotope values are not related to the 15N-isotope values of amino acids in mother’s breast milk protein

(2013) Katarzyna M. Romek et al.   AMINO ACIDS

Evaluation of carnivory in inland Jomon hunter–gatherers based on nitrogen isotopic compositions of individual amino acids in bone collagen

(2013) Yuichi I. Naito et al.   JOURNAL OF ARCHAEOLOGICAL SCIENCE

Nitrogen isotope fractionation in amino acids from harbor seals: implications for compound-specific trophic position calculations

(2013) LR Germain et al.   MARINE ECOLOGY PROGRESS SERIES

Increasing subtropical North Pacific Ocean nitrogen fixation since the Little Ice Age

(2013) Owen A. Sherwood et al.   NATURE

Trophic Hierarchies Illuminated via Amino Acid Isotopic Analysis

(2013) Shawn A. Steffan et al.   PLoS One

The diet-body offset in human nitrogen isotopic values: A controlled dietary study

(2012) T.C. O'Connell et al.   AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY

Isotopic and modeling investigation of long-term protein turnover in rat tissues

(2012) Nathalie Poupin et al.   AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY INTEGRATIVE AND COMPARATIVE PHYSIOLOGY

15N/14N ratios of amino acids as a tool for studying terrestrial food webs: a case study of terrestrial insects (bees, wasps, and hornets)

(2011) Yoshito Chikaraishi et al.   ECOLOGICAL RESEARCH

Temperature and diet affect carbon and nitrogen isotopes of fish muscle: can amino acid nitrogen isotopes explain effects?

(2011) Alexandra L. Bloomfield et al.   JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY

Determination of aquatic food-web structure based on compound-specific nitrogen isotopic composition of amino acids

(2011) Yoshito Chikaraishi et al.   LIMNOLOGY AND OCEANOGRAPHY-METHODS

Nursery habitat use and foraging ecology of the brown stingray Dasyatis lata determined from stomach contents, bulk and amino acid stable isotopes

(2011) JJ Dale et al.   MARINE ECOLOGY PROGRESS SERIES

The Nature of the Dietary Protein Impacts the Tissue-to-Diet 15N Discrimination Factors in Laboratory Rats

(2011) Nathalie Poupin et al.   PLoS One

PLP-dependent enzymes as entry and exit gates of sphingolipid metabolism

(2011) Florence Bourquin et al.   PROTEIN SCIENCE

Practical recommendations for the reduction of memory effects in compound-specific 15N/14N-ratio analysis of enriched amino acids by gas chromatography/combustion/isotope ratio mass spectrometry

(2011) Klaus J. Petzke et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Mammalian DNA δ15N exhibits 40‰ intramolecular variation and is unresponsive to dietary protein level

(2011) Maggie S. Strable et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Quantitative evaluation of marine protein contribution in ancient diets based on nitrogen isotope ratios of individual amino acids in bone collagen: An investigation at the Kitakogane Jomon site

(2010) Yuichi I. Naito et al.   AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY

Proline and hydroxyproline metabolism: implications for animal and human nutrition

(2010) Guoyao Wu et al.   AMINO ACIDS

Advances in natural stable isotope ratio analysis of human hair to determine nutritional and metabolic status

(2010) Klaus J Petzke et al.   CURRENT OPINION IN CLINICAL NUTRITION AND METABOLIC CARE

The biological basis for understanding and predicting dietary-induced variation in nitrogen and sulphur isotope ratio discrimination

(2010) Scott T. Florin et al.   FUNCTIONAL ECOLOGY

Effect of liver cirrhosis on phenylalanine and tyrosine metabolism

(2009) Paolo Tessari et al.   CURRENT OPINION IN CLINICAL NUTRITION AND METABOLIC CARE

Resolving the bulk δ15N values of ancient human and animal bone collagen via compound-specific nitrogen isotope analysis of constituent amino acids

(2009) Amy K. Styring et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Variation in discrimination factors (Δ15N and Δ13C): the effect of diet isotopic values and applications for diet reconstruction

(2009) Stéphane Caut et al.   JOURNAL OF APPLIED ECOLOGY

Nitrogen and carbon isotope values of individual amino acids: a tool to study foraging ecology of penguins in the Southern Ocean

(2009) A Lorrain et al.   MARINE ECOLOGY PROGRESS SERIES

Hair protein and amino acid13C and15N abundances take more than 4 weeks to clearly prove influences of animal protein intake in young women with a habitual daily protein consumption of more than 1 g per kg body weight

(2009) Klaus J. Petzke et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Proline metabolism in the conceptus: implications for fetal growth and development

(2008) G. Wu et al.   AMINO ACIDS

Glycine cleavage system: reaction mechanism, physiological significance, and hyperglycinemia

(2008) Goro KIKUCHI et al.   PROCEEDINGS OF THE JAPAN ACADEMY SERIES B-PHYSICAL AND BIOLOGICAL SCIENCES