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April 2009

Volume 8Issue 4p585-882
Open Access
On the cover: A 2D LC-MS/MS-based proteomics approach has allowed identification of 1458 proteins in Brassica napus (canola) guard cells (left, two cells forming a stomate) and mesophyll cells (right, a mesophyll cell protoplast). The iTRAQ reporter ions in a peptide MS/MS spectrum indicate that the peptide containing protein is more abundant in guard cells (114 and 115) than in mesophyll cells (116 and 117). For details, see the article by Zhu et al., pages 752–766....
On the cover: A 2D LC-MS/MS-based proteomics approach has allowed identification of 1458 proteins in Brassica napus (canola) guard cells (left, two cells forming a stomate) and mesophyll cells (right, a mesophyll cell protoplast). The iTRAQ reporter ions in a peptide MS/MS spectrum indicate that the peptide containing protein is more abundant in guard cells (114 and 115) than in mesophyll cells (116 and 117). For details, see the article by Zhu et al., pages 752–766.

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