Table 1.

Summary of PGPR interaction effects in crop plants under salinity stress from recent studies using systems biology approaches.

	PGPR	Crop species	Beneficial effects	Reference
1	Bacillus amyloliquefaciens SN13	Oryza sativa	Upregulation of SOS1, EREBP, SERK1, NADP-Me2	Nautiyal et al., 2013
2	Bacillus amyloliquefaciens SQR9	Zea mays	Upregulation of RBCS, RBCL, HKT1, NHX1, NHX2, and NHX3	Chen et al., 2016
3	Bacillus megaterium	Zea mays	Improved expression of two ZmPIP isoforms	Marulanda et al., 2010
4	Bacillus thuriengenesis NEB17	Glycine max	Upregulation of PEP carboxylase, RuBisCo-oxygenase large subunit, pyruvate kinase, and proteins of photosystems I and II, isocitrate lyase and antioxidant glutathione-S-transferase	Subramanian et al., 2016a
5	Dietzia natronolimnaea	Triticum aestivum	Modulation of ABA signaling cascade, SOS pathway related genes, tissue-specific responses of ion transporters	Bharti et al., 2016
6	Enterobacter sp. UPMR18 (ACC deaminase)	Abelmoschus esculentus	Increase antioxidant enzyme activities and upregulation of ROS pathway genes	Habib et al., 2016
7	Pseudomonas putida UW4 (ACC deaminase)	Solanum lycopersicum	Increased shoot growth and expression of Toc GTPase	Yan et al., 2014
8	Pseudomonas simiae AU	Glycine max	Upregulation of vegetative storage proteins, RuBisCO large chain proteins. Decrease in root Na+ accumulation and increase in proline and chlorophyll content	Vaishnav et al., 2015