Table 4B.
The 27 taxa comprising core bacteria of the water yam (Dioscorea alata L.) plant bacterial microbiota and their possible plant growth-promoting functions.
| Taxonomy | Possible functions | References |
|---|---|---|
| Firmicutes (2) | ||
| Bacillus | N2-fixation, P solubilization, IAA production, siderophore production, ACC deaminase synthesis. | de Melo Pereira et al. (2012) and Babu et al. (2013) |
| Staphylococcus | P solubilization, IAA production, ACC deaminase synthesis, improved salt and drought tolerance. | Shahid et al. (2019) and Jayakumar et al. (2020) |
| Proteobacteria (11) | ||
| Allorhizobium-Neorhizobium-Pararhizobium-Rhizobium | N2-fixation, P solubilization, IAA production, siderophore production, ACC deaminase synthesis. | Duan et al. (2009) and Ouyabe et al. (2020) |
| Bosea | IAA production, siderophore production, ACC deaminase synthesis. | Bertola et al. (2019) |
| Bradyrhizobium | N2-fixation, ACC deaminase synthesis. | Terakado-Tonooka et al. (2013) and Ikeda et al. (2014) |
| Burkholderiaceae | N2-fixation, P solubilization, IAA production, siderophore production, cellulolytic enzyme production. | Rangjaroen et al. (2015) |
| Burkholderia-Caballeronia-Paraburkholderia | N2-fixation, P solubilization, IAA production, siderophore production, cellulolytic enzyme production. | Rangjaroen et al. (2015) and Kuramae et al. (2020) |
| Enterobacteriaceae | N2-fixation, P solubilization, IAA production, siderophore production, anti-microbial activity. | de Melo Pereira et al. (2012) and Naveed et al. (2013) |
| Lysobacter | N2-fixation, siderophore production, anti-microbial activity. | Iwata et al. (2010) and Expósito et al. (2015) |
| Pseudomonas | N2-fixation, P solubilization, IAA production, antifungal activity, ammonium production. | de Melo Pereira et al. (2012) and Ngoma et al. (2013) |
| Ramlibacter | Unknown. | – |
| Sphingomonas | N2-fixation, P solubilization, IAA production, siderophore production, cellulolytic enzyme production. | Rangjaroen et al. (2015) |
| Xanthomonadaceae | N2-fixation P solubilization, IAA production, antifungal activity, ammonium production. | Taulé et al. (2012) and Ngoma et al. (2013) |
N2, nitrogen; P, phosphate; IAA, indole-3-acetic acid; ACC, aminocyclopropane-1-carboxylic acid; Gibs, Gibberellins.