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Comparative Proteomic Analysis of Differentially Expressed Proteins in Shoots of Salicornia europaea under Different Salinity

作　　者：Wang XC, Fan PX, Song HM, Chen XY, Li XF, Li YX
影响因子：5.684
刊物名称：Journal of Proteome Research
出版年份：2009
卷：8  期：7  页码：3331–3345

论文摘要：

 Soil salinity is a major abiotic stress that limits agriculture productivity worldwide. Salicornia europaea
is a succulent annual euhalophyte and one of the most salt tolerant plant species. The elucidation of
its salt tolerance mechanism is of significance for generating salt-tolerant crops. In this study, we
provided high resolution of proteome reference maps of S. europaea shoot and obtained evidence on
the salt tolerance mechanism by analyzing the proteomic responses of this plant to high salinity. Our
results demonstrated significant variations existed in 196 out of 1880 protein spots detected on CBB
stained 2-DE gels. Of these, 111 proteins were identified by mass spectrometry. Among them, the
majority was energy production and conversion related proteins, followed by photosynthesis and
carbohydrate metabolism associated enzymes. Analysis of protein expression patters revealed that
energy production and ion homeostasis associated proteins played important roles for this plant salt
tolerance ability. Hierarchical clustering results revealed many proteins were involved in S. europaea
salt tolerance mechanism as a dynamic network. Finally, based on our proteomic results, we brought
forward a possible schematic representation of mechanism associated with the systematic salt tolerance
phenotype in S. europaea.
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