期刊
FRONTIERS IN PLANT SCIENCE
卷 6, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2015.00548
关键词
allergen; MALDI-TOF/TOF MS/MS; pollen; Populus deltoids; profilin; proteomics; two-dimensional gel electrophoresis
资金
- Special Fund for Forestry Scientific Research in the Public Interest [201304103-4]
- National High-tech R&D Program of China [2011AA100201]
Proteomic analysis was used to generate a map of Populus deltoides CL. 2KEN8 mature pollen proteins. By applying 2-D electrophoresis, we resolved 403 protein spots from mature pollen. Using the matrix-assisted laser desorption/ionization time time-of-flight/time-of-flight tandem mass spectrometry method, we identified 178 distinct proteins from 218 protein spots expressed in mature pollen. Moreover, out of these, 28 proteins were identified as putative allergens. The expression patterns of these putative allergen genes indicate that several of these genes are highly expressed in pollen. In addition, the members of profilin allergen family were analyzed and their expression patterns were compared with their homologous genes in Arabidopsis and rice. Knowledge of these identified allergens has the potential to improve specific diagnosis and allergen immunotherapy treatment for patients with poplar pollen allergy.
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