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Table 1 Characteristics of the bacterial strains used in the study. For each of the 19 strains, the acronym, Gram type, family, reported ecophysiological characteristics and bibliographical references are presented

From: Influence of rhizobacterial volatiles on the root system architecture and the production and allocation of biomass in the model grass Brachypodium distachyon (L.) P. Beauv.

Strain

Acronym

Gram type

Family

Characteristics and references

Azospirillum brasilense SP245

AbrSP245

-

Rhodospirillaceae

Associative microaerophilic diazotroph [63]

Azotobacter vinelandii A60 - F08 19

AviF0819

-

Pseudomonadaceae

Free-living aerobic diazotroph [64]

Bacillus amyloliquefaciens AP278 - IN937a

BamIN937a

+

Bacillaceae

Some strains are diazotrophic or facultative microaerophilic; many Bacillus produce antibiotics ([4, 6, 15, 27, 65–67], *newly isolated strain)

Bacillus pasteurii AP277 - C9

BpaC9

+

Bacillaceae

Bacillus pumilus AP280 - T4

BpuT4

+

Bacillaceae

Bacillus pumilus AP281 - SE34

BpuSE34

+

Bacillaceae

Bacillus pumilus C26*

BpuC26

+

Bacillaceae

Bacillus subtilis AP305 - GB03

BsuGB03

+

Bacillaceae

Burkholderia cepacia A01-45

BceA0145

-

Burkholderiaceae

Rarely diazotrophic, associative endophytic nitrogen fixer, wheat PGPR [68]

Enterobacter cloacae AP12 - JM22

EclJM22

-

Enterobacteriaceae

PGPR [6]

Escherichia coli DH5α 99B829

Eco99B829

-

Enterobacteriaceae

Bacterial control [6]

Paenibacillus polymyxa AP294 - E681

PpoE681

+

Paenibacillaceae

Facultative microaerophilic, can produce phytohormones analogs, suppress pathogens and solubilize organic phosphate ([4, 27], *newly isolated strain)

Paenibacillus polymyxa MXC5*

PpoMXC5

+

Paenibacillaceae

Pseudomonas aeruginosa I03-73

PaeI0373

-

Pseudomonadaceae

Associative wheat PGPR [68]

Pseudomonas fluorescens AP2 - 89B61

Pfl89B61

-

Pseudomonadaceae

Pseudomonas fluorescens Pf29Arp

Pfl29ARP

-

Pseudomonadaceae

Pseudomonas putida KT2440 - B02 66

PpuB0266

-

Pseudomonadaceae

Raoultella terrigena Tfi08*

RteTFI08

-

Enterobacteriaceae

Aerobic or facultatively anaerobic, *newly isolated

Serratia marcescens AP4 - 90 166

Sma90166

-

Enterobacteriaceae

PGPR [4, 6, 27]