Table 8.1
(continued)
Catalytic microbial guild
Catalyzed environmental
process
Service/application
Guild’s model species
References
Plant growth promoting
bacteria (PGPB)
Diazotrophic nitrogen
fixation (di-nitrogen gas
conversion to ammonia,
which is available for plant
assimilation)
Global nitrogen cycle,
increase biomass
production yields of plants
or microalgae
Azospirillum brasilense,
Azospirillum lipoferum,
Bacillus pumilus, Azoarcus
sp., Rhizobium
leguminosarum
Hartmann and Bashan
(2009), Hernandez et al.
(2009), Reid and Greene
(2012)
Plant and microalgae
promoting bacteria
Phytohormone production
(indole-3-acetic acid and
gibberellin production)
Increase of starch
formation, and ammonium
and phosphate uptake by
microalgae
Azospirillum brasilense,
Bacillus pumilus
de-Bashan et al. (2002,
2005, 2011), Choix et al.
(2012a, 2014), Meza et al.
(2015a, b)
170
J. Tomar