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中關(guān)村NMT聯(lián)盟活體研究通訊222期

上周，中國農(nóng)大郭巖課題組在Nature Communications在線發(fā)表題為Calcium-activated 14-3-3 proteins as a molecular switch in salt stress tolerance的研究成果。

研究揭示了14-3-3蛋白通過感受鈣信號，選擇性的結(jié)合和抑制SOS2和PKS5的激酶活性，并協(xié)同調(diào)控Na⁺/H⁺反向轉(zhuǎn)運蛋白SOS1和質(zhì)膜H⁺-ATPase活性，影響植物耐鹽能力。

擬南芥根尖分生區(qū)Na⁺流結(jié)果

我們?yōu)槟砹死梅菗p傷微測技術(shù)（Non-invasive Micro-test Technology, NMT）研究SOS基因家族的鹽脅迫文章。

• Co-expression of SpSOS1 and SpAHA1 in transgenic Arabidopsis plants improves salinity tolerance. BMC Plant Biology, 2019, 19(1):74.

• Overexpression of the PtSOS2 gene improves tolerance to salt stress in transgenic poplar plants. Plant Biotechnology Journal, 2015, 13(7): 962-73.

• Co-expression of the Arabidopsis SOS genes enhances salt tolerance in transgenic tall fescue (Festuca arundinacea Schreb.). Protoplasma, 2014, 251(1):219-31.

• SOS1 gene overexpression increased salt tolerance in transgenic tobacco by maintaining a higher K+/Na+ ratio. Journal of plant physiology, 2012, 169(3): 255-261.

• Nax loci affect SOS1-like Na+/H+ exchanger expression and activity in wheat. Journal of Experimental Botany, 2016, 67(3):835-44.

• Haem oxygenase modifies salinity tolerance in Arabidopsis by controlling K+ retention via regulation of the plasma membrane H+-ATPase and by altering SOS1 transcript levels in roots. Journal of Experimental Botany, 2013, 64(2): 471-481.

• Na+-H+ antiporter activity of the SOS1 gene, lifetime imaging analysis and electrophysiological studies on Arabidopsis seedlings. Physiologia Plantarum, 2009,137(2):155-65.