TABLE 2.

Salient genomic features and ecological roles of soil Acidobacteria.

Salient features	References
Involvement in carbon cycle	King and Weber, 2007; Banerjee et al., 2016; García-Fraile et al., 2016; Belova et al., 2018; Dedysh and Damsté, 2018
Involvement in nitrogen cycle	Ward et al., 2009; Rajeev et al., 2015; Eichorst et al., 2018
Involvement in sulfur cycle	Wasmund et al., 2017; Hausmann et al., 2018
Involvement in plant growth promotion	Kielak et al., 2016b; Kalam et al., 2017a
Involvement as “keystone taxa”	Banerjee et al., 2016; Jiang et al., 2017; Li et al., 2017; Banerjee et al., 2018
Involvement in soil matrix formation	Kielak et al., 2016a; Kielak et al., 2017
Establishment of biofilms	Ward et al., 2009; Kielak et al., 2016a; Kielak et al., 2016b
Production of exopolysaccharides	Ward et al., 2009; Rawat et al., 2012a; Kielak et al., 2017
Biosynthesis of secondary metabolites	Ward et al., 2009; Parsley et al., 2011; Hadjithomas et al., 2015; Damsté et al., 2017; Crits-Christoph et al., 2018
Tolerance to stress, starvation, and acidity	Ward et al., 2009; Challacombe et al., 2011; Morris and Schmidt, 2013; Greening et al., 2015; Rajeev et al., 2015; Eichorst et al., 2018; Domeignoz-Horta et al., 2019; Pinto et al., 2020
Presence of mobile genetic elements	Frost et al., 2005; Challacombe and Kuske, 2012; Eichorst et al., 2018