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. 2013 Sep 18;8(9):e74600. doi: 10.1371/journal.pone.0074600

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© 2013 Hao 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.

PMC Copyright notice

A–C: Chloroplast ultrastructure of I. indigotica leaf grown in ambient (×8,000, ×30,000, ×80,000). D-F: Chloroplast ultrastructure of I. indigotica leaf grown under elevated [CO₂] (×8,000, ×30,000, ×80,000). S: starch grain; GR: grana layer; CM: chloroplast membrane; CH: chloroplast; CW: cell wall; N: nucleus.