An experimental exploration of the incorporation of hydrogen isotopes from dietary sources into avian tissues

The Journal of Experimental Biology
Nathan WolfCarlos Martínez del Rio

Abstract

The analysis of hydrogen stable isotopes (δD) is a potentially powerful tool for studying animal ecology. Unlike other stable isotopes used in ecological research, however, we are less familiar with the physiological processes that influence the incorporation of hydrogen isotopes from dietary resources to animal tissues. Here we present the results of a controlled feeding experiment utilizing Japanese quail (Cortunix japonica) that was designed to: (1) estimate the relative contributions of diet to the δD signatures of blood plasma, red blood cells, intestine, liver, muscle and feathers; (2) investigate possible differences among these same tissues in diet to tissue discrimination; and (3) explore the differences in incorporation dynamics between deuterium ((2)H) and a well-studied isotope, (13)C, for blood plasma solids and red blood cells. Tissues differed in both the relative contribution of diet to tissue δD and diet to tissue discrimination. The average residence time of both hydrogen and carbon was significantly lower in plasma solids than in red blood cells. The average residence time of hydrogen was significantly lower than that of carbon in plasma solids, but not in red blood cells. Although the average residence times...Continue Reading

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Dec 15, 2010·The Journal of Experimental Biology·Nathan WolfCarlos Martinez Del Rio
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Citations

Jul 6, 2014·Oecologia·Peggy H OstromHelen F James
Mar 19, 2013·Ecological Applications : a Publication of the Ecological Society of America·Lauren E BortolottiLeonard I Wassenaar
Jun 7, 2015·Annual Review of Nutrition·Diane M O'Brien
Dec 3, 2016·Ecological Applications : a Publication of the Ecological Society of America·Mariana VillegasJohn G Blake
Dec 23, 2016·The Journal of Animal Ecology·Jonathan A RaderCarlos Martínez Del Rio
Jul 7, 2015·Rapid Communications in Mass Spectrometry : RCM·Nathan WolfMarilyn L Fogel
Jul 14, 2018·Oecologia·Mauriel Rodriguez CurrasSeth D Newsome
Mar 4, 2021·The Journal of Experimental Biology·Laura Pagès BarcelóSeth D Newsome
Aug 24, 2021·The Journal of Experimental Biology·Laura Pagès BarcelóSeth D Newsome

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