Table 2.

Homologous genes involved in promoting plant growth and drought resistance in the genomes of strains Microbacterium sp. I2, Arthrobacter sp. R4, and Microbacterium sp. K2.

Function	Gene name	I2 Gene ID	I2 and K2 identity (%)	K2 Gene ID	I2 and R4 identity (%)	R4 Gene ID	K2 and R4 identity (%)
Nitrogenase iron protein	nifH	gene1278	NA	gene1170	NA	gene1192	NA
Permease PstA	pstA	gene0409	64.05	gene0221, gene1531, gene3268	55.86	gene1017	52.34
ATP-binding protein PstB	pstB	gene0410	89.58	gene3581, gene3267	83.40	gene1018	80.70
Permease subunit PstC	pstC	gene0408	67.52	gene3269	62.13	gene1016	61.98
Phosphate ABC transporter substrate-binding protein PstS	pstS	gene0407	60.54	gene3270	47.43	gene1015	47.85
Iron-enterobactin ABC transporter ATP-binding protein	fepC	gene2421, gene3149	58.82, 54.55	gene1920, gene3582	64.31, 54.79	gene4449	61.22
Fe3+− siderophore ABC transporter permease	fepD	gene2419, gene3151	70.67, 44.90	gene1922, gene3584	52.65, 45.27	gene2914, gene4447	51.33, 49.33
Iron-enterobactin ABC transporter permease	fepG	gene2420, gene3150	71.31, 39.72	gene1921, gene3583	43.62, 38.46	gene4448	45.56, 36.53
Probable siderophore-binding lipoprotein YfiY	fagD	gene3152	32.23, 34.56	gene1923, gene3585	27.91	gene4446	43.38, 29.67
Tryptophan synthase alpha chain	trpA	gene2329	74.81	gene0542	53.38	gene2990	56.25
Tryptophan synthase beta chain	trpB	gene2328	87.94	gene0541	68.99	gene2989	67.23
Indole-3-glycerol phosphate synthase	trpC	gene2327	77.73	gene0540	55.65	gene2988	51.42
Trehalose-6-phosphate synthase	ostA	gene3210, gene1956	74.78	gene0753	63.07	gene0009, gene0173	61.29
Trehalose-phosphate phosphatase A	ostB	gene1957	49.01	gene0752	40.84	gene0008, gene4332	42.40