Assessment of Methylobacterium oryzae CBMB20 aggregates for salt tolerance and plant growth promoting characteristics for bio-inoculant development

AMB Express

Table 1 Cell growth and physiological characteristics of aggregated and non-aggregated M. oryzae CBMB20 cells

Treatment	Population^a	Dry weight^b	PHB production^c	EPS production^d	Biofilm formation^e	Aggregation^f	Hydrophobicity^f
High C/N	8.48 ± 0.028^a	6.51 ± 0.22^a	0.53 ± 0.26^a	0.64 ± 0.04^a	0.294 ± 0.0^a	35.96 ± 0.33^a	40.02 ± 0.27^a
Low C/N	7.92 ± 0.027^b	3.45 ± 0.11^b	0.23 ± 0.40^b	0.20 ± 0.02^b	0.189 ± 0.0^b	22.37 ± 3.16^a	11.65 ± 0.44^b

^alog CFU ml⁻¹
^bmg ml⁻¹
^cmg PHB g⁻¹ cell dry weight
^dmg EPS g⁻¹ cell dry weight
^eAmount of dye (crystal violet) used to stain was quantified by measuring at OD_595nm
^fPercentage (%)