TABLE 2.
Microbial strains used in this work and relevant characteristics
| Strain | Characteristics relevant to this work | Source or referencea |
|---|---|---|
| Bacteria | ||
| Azospirillum brasilense SP7 | PGPR soil bacterium; used in bacterial antibiosis assays | 80 |
| Bacillus subtilis ATCC 6633 | Reference strain; used in bacterial antibiosis assays | ATCC |
| Bradyrhizobium elkanii U-1301 | Commercial rhizobium inoculant for soybeans; used in bacterial antibiosis assays | MGAP |
| Bradyrhizobium elkanii U-1302 | Commercial rhizobium inoculant for soybeans; used in bacterial antibiosis assays | MGAP |
| Paraburkholderia sp. UYPR1.413 | Rhizobium; used in bacterial antibiosis assays | 53 |
| Cupriavidus necator UYPR2.512 | Rhizobium; used in bacterial antibiosis assays | 53 |
| Escherichia coli DH5α | Laboratory strain; used as a negative control in some hydrolytic-enzyme assays | 81 |
| Escherichia coli DH5α Cel5 | E. coli DH5α harboring a plasmid containing endoglucanase Cel5A from Bacillus subtilis, which confers cellulase activity; used as positive control in cellulolytic assays | 82 |
| Escherichia coli DH5α β-glu | E. coli DH5α harboring a plasmid with a metagenomic DNA fragment containing a glycosyl hydrolase which confers beta-glucosidase activity; used as positive control in beta-glucosidase assays | 82 |
| Ensifer meliloti 1021 | Rhizobium; used in bacterial antibiosis assays | 83 |
| Erwinia caratovora SCC3193 | Soil bacterium, phytopathogen; used in bacterial antibiosis assays | 84 |
| Microbacterium sp. UYFA68 | AIA producing strain; used as positive control in AIA assays | 85 |
| Pseudomonas putida KT2440 Cel5 | P. putida KT2440 harboring a plasmid containing endoglucanase Cel5A from B. subtilis, which confer cellulase activity; used as a positive control in cellulolytic assays | BIOGEM |
| Pseudomonas putida KT2440 β-glu | P. putida KT2440 harboring a plasmid with a metagenomic DNA fragment containing a glycosyl hydrolase which confers beta-glucosidase activity; used as a positive control in beta-glucosidase assays | BIOGEM |
| Pantoea sp. UYSB45 | Phosphate-solubilizing strain; used as a positive control in phosphate solubilization assays | 86 |
| Paenibacillus sp. UY79 | Isolated from an Arachis villosa nodule | This work |
| Pseudomonas fluorescens UP148 | Soil bacterium, PGPR; used in bacterial antibiosis assays | 87 |
| Pseudomonas fluorescens UP61 | Soil bacterium, HCN-producing strain; used in bacterial antibiosis assays | 88 |
| Pseudomonas protegenes Pf-5 | Soil bacterium, PGPR; used in bacterial antibiosis assays | 89 |
| Pseudomonas putida KT2440 | Laboratory strain; used as a negative control in some hydrolytic-enzyme assays | 90 |
| Rhizobium tropici CIAT 899 | Rhizobium; used in bacterial antibiosis assays | 91 |
| Streptomyces sp. UYFA 156 | Soil bacterium, PGPR; used in bacterial antibiosis assays | 85 |
| Fungi | ||
| Botrytis cinerea Pers. A1 | Phytopathogenic fungus isolated from lemon plant | 92 |
| Fusarium graminearum Schwabe S127 | Phytopathogenic fungus isolated from sorghum grain | Mycology lab |
| Fusarium oxysporum Schltdl J38 | Phytopathogenic fungus isolated from soybean | Mycology lab |
| Fusarium semitectum Berk. & Ravenel J41 | Phytopathogenic fungus isolated from soybean | Mycology lab |
| Fusarium verticillioides (Sacc.) Nirenberg A71 | Phytopathogenic fungus isolated from corn grain | Mycology lab |
| Macrophomina phaseolina (Tassi) Goid J431 | Phytopathogenic fungus isolated from soybean | Mycology lab |
| Phomopsis longicolla Hobbs J429 | Phytopathogenic fungus isolated from soybean | Mycology lab |
| Rhizoctonia solani J.G. Kühn Rz01 | Phytopathogenic fungus isolated from soybean | INIA |
| Sclerotium rolfsii Sacc. 1948 | Phytopathogenic fungus isolated from sweet beet | Mycology lab |
| Trichoderma atroviridae P.Karst 1607 | Biocontrol agent against fungal diseases of plants isolated from peat | Mycology lab |
| Oomycetes | ||
| Phythophtora sojae Kaufm. & Gerd Ps25 | Phytopathogenic oomycete | INIA |
| Pythium ultimum Trow Py03 | Phytopathogenic oomycete | INIA |
a
MGAP, Ministerio de Agricultura y Pesca, Uruguay (U-1301 [or SEMIA 587], U-1302 [or SEMIA 5019]); BIOGEM, Instituto de Investigaciones Biológicas (IIBCE)—laboratory strain collection; Mycology lab, Sección Micología, Facultad de Ciencias-Universidad de la República—laboratory strain collection; INIA, Instituto Nacional de Investigación Agropecuaria, Programa Cultivos de Secano, Estación Experimental La Estanzuela—laboratory strain collection.