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. 2014 Dec 16;4(1):136–150. doi: 10.1002/mbo3.227

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© 2014 The Authors. MicrobiologyOpen published by John Wiley & Sons Ltd.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Isotopic niche of Kiwa sp. nov. East Scotia Ridge (ESR) δ¹³C and δ¹⁵N values for female (squares) and male (circles) Kiwa sp. nov. ESR from E2 and male (triangle) Kiwa sp. nov. ESR from E9 with their respective standard ellipse area (solid line) with a boundary plotted (dotted line) around the extreme points to aid visualization. The dashed and solid vertical lines represent the range of δ¹³C values for different carbon fixation pathways: <−20‰ for the Calvin-Benson-Bassham (CBB) cycle, >−16‰ for the reductive tricarboxylic acid (rTCA) cycle and −20‰ to −16‰ for mixing of the two carbon sources.