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. 2012 Oct 25;7(10):e48006. doi: 10.1371/journal.pone.0048006

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© 2012 Fang et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Structure of the major cyclic spermidine conjugate (13) identified from rapeseed. (B) The concentration of 13 in different tissues and whole rapeseed. HR, hypocotyl and radicle; IC, inner cotyledon; OC, outer cotyledon; and SE, seed coat and endosperm. Each column shows the mean of four replicates with standard error, and *means not detectable.