Table 1.

Genomics approaches to understand actinobacterial-mediated genes alleviating abiotic stress in plants.

Stress	Actinobacteria	Genes	Host	References
Salinity	Streptomyces sp. KLBMP 5084	ACC deaminase, cold shock proteins, glycine betaine transport ATP binding protein, heat shock proteins, heavy metal resistance, hydrogen cyanide synthase, chitinase, β-glucosidase, lipase, cellulase, protease, and amylase, IAA biosynthesis, K+ transporter, Na+/H+ antiporters, oxidative stress response: SOD, POD, and CAT, phenazine biosynthesis, phosphate solubilization, pyridoxal biosynthesis lyase, succinate-semialdehyde dehydrogenase, trehalose synthase	Limonium sinense	[113]
	Streptomyces sp. GKU 895	ACC deaminase, ectoine biosynthesis, family 18 and 19 chitinases, IAA biosynthesis, mineral phosphate solubilization: isocitrate dehydrogenase, citrate synthase, and purple acid phosphatase, nitrogen metabolism, salicylate hydroxylase	Sugarcane variety KK3	[115]
	Streptomyces paradoxus D2-8	ACC deaminase, aldehyde dehydrogenase (NAD), ammonia assimilation, ectoine, IAA biosynthesis, choline and glycine betaine uptake	Soybean	[116]
	Dermacoccus abyssi MT1.1	Ammonium assimilation, betaine biosynthesis, catalase, choline and betaine uptake, ectoine biosynthesis, glutathionylspermidine synthase, glycerol uptake facilitator protein, IAA biosynthesis, iron acquisition and metabolism. nitrogen metabolism, osmotic stress response, oxidative stress response, phosphate metabolizing enzymes, phosphate solubilization, poly-phosphorus hydrolyzing enzymes, potassium homeostasis, proline synthesis, 4-hydroxyproline uptake and utilization, total soluble sugar production, trehalose biosynthesis, tryptophan synthesis, uptake and transport of inorganic phosphate	Solanum lycopersicum	[97]
Drought	Streptomyces chartreusis WZS021	ACC deaminase, choline dehydrogenase, glutamate dehydrogenase, cellulase, chitinase, xylanase, glucoamylase, α-amylase, malto-oligosyltrehalose trehalohydrolase, and lipase, IAA biosynthesis, ion transporter, Na+, Ca2+, and K+ transporters, oxidative stress response: SOD, phosphate transmembrane transporters, phosphate transport, proline dehydrogenase, succinate-semialdehyde dehydrogenase	Sugarcane varieties ROC22 and B8	[114]