Fig. 4

Phylogeny of the SOS1 proteins. Artemisia japonic AjSOS (KP896475), Crossostephium chinense CrcSOS1 (KP896476), Chrysanthemum crissum CcSOS1 (AB439132), Chrysanthemum morifolium CmSOS1 (KP896477), Helianthus tuberosus HtSOS1 (AGI04331), Solanum lycopersicum SlSOS1 (BAL04564), Arabidopsis thaliana AtSOS1 (AF256224), Cochlearia hollandica ChSOS1 (AFF57539), Schrenkiella parvula SpSOS1 (ADQ43186), Eutrema halophilum EhSOS1/ThSOS1 (ABN04857), Brassica napus BnSOS1 (ACA50526),Glycine max GmsSOS1 (AFD64746), Vigna radiata VrSOS1 (AGR34307), Zygophyllum xanthoxylum ZxSOS1 (ACZ57357), Cucumis sativus CsSOS1 (AFD64618), Vitis vinifera VvSOS1 (ACY03274), Populus euphratica PeSOS1 (ABF60872), Bruguiera gymnorhiza BgSOS1 (ADK91080), Limonium gmelinii LgSOS1 (ACF05808), Mesembryanthemum crystallinum McSOS1 (ABN04858), Sesuvium portulacastrum SpSOS1 (AFX68848), Suaeda japonica sjSOS1 (BAE95196), Salicornia brachiata SbSOS1 (ACJ63441), Chenopodium quinoa cqSOS1A (ABS72166); cqSOS1B (ACN66494), Cymodocea nodosa CnSOS1A (CAD20320); CnSOS1B (AM399078), Aeluropus littoralis AlSOS1 (AEV89922), Phragmites australis PhaNHA1-n (AB244217); PhaNHA1-e (AB244218); PhaNHA1-u (AB244216), Oryza sativa OsSOS1 (AAW33875), Indosasa sinica IsSOS1 (AGB06353), Puccinellia tenuiflora PtSOS1 (ACV60499), Puccinellia tenuiflora PtNHA1 (EF440291), Lolium perenne LpSOS1 (AAY42598), Triticum durum TdSOS1 (ACB47885), Aegilops speltoides AsSOS1 (CAX83736), Triticum aestivum TaSOS1 (CAX83738), Aegilops tauschii AtaSOS1 (CAX83737), Triticum monococcum TmSOS1 (CAX83735), Physcomitrella patens PpSOS1 (CAM96566); PpSOS1B (CBG92827), Ricinus communis RcSOS1 (XP_002521897), Populus trichocarpa PtSOS1 (EEF02008), Nitraria tangutorum NtSOS1 (AGW30210), Reaumuria trigyna RtSOS1 (AGW30208). The sequences were aligned using Clustal X and the phylogeny was constructed using the neighbor-joining method implemented in MEGA v5.0. The blue and red dots indicate the four SOS1s isolated here