| Title | Biochemical, Catabolic, and PGP Activity of Microbial Communities and Bacterial Strains from the Root Zone of Baccharis linearis in a Mediterranean Mine Tailing |
| Publication Type | Journal Article |
| Year of Publication | 2023 |
| Authors | Aponte H., Sulbaran-Bracho Y., Mondaca P., Vidal C., Pérez R., Meier S., Cornejo P., Rojas C. |
| Journal | Microorganisms |
| Volume | 11 |
| Pagination | 16 |
| Date Published | Nov |
| Type of Article | Article |
| Accession Number | WOS:001114561100001 |
| Keywords | alleviation, assay, Community-level physiological profile, copper smelter, cu, growth promoting, metal pollution, Microbiology, mining waste, phytoremediation, plant, plant-growth, rhizosphere, zinc |
| Abstract | The management of mine tailings (MT) is commonly workload heavy, intrusive, and expensive. Phytostabilization offers a promising approach for MT management; however, it poses challenges due to the unfavorable physicochemical properties of these wastes. Nevertheless, native microorganisms capable of supporting plant growth and development could enhance the efficacy of phytostabilization. This study assesses the biological activity of microbial communities from the root zone of Baccharis linearis, which is naturally present in MT, in order to evaluate their biotechnological potential for phytostabilization. The root zone and bulk samples were collected from B. linearis plants located within a MT in the Mediterranean zone of Chile. Enzyme activities related to the cycling of C, N, and P were assessed. The community-level physiological profile was evaluated using the MicroResp (TM) system. Bacterial plant growth-promoting (PGP) traits and colony forming units (CFU) were evaluated through qualitative and microbiological methods, respectively. CFU, enzyme activities, and CLPP were higher in the root zone compared with the bulk samples. Five bacterial strains from the root zone exhibited PGP traits such as P solubilization and N acquisition, among others. The presence of microbial communities in the root zone of B. linearis with PGP traits suggests their potential to enhance the ecological management of MT through phytostabilization programs. |
| Short Title | MicroorganismsMicroorganisms |
| Alternate Journal | Microorganisms |
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- Biochemical, Catabolic, and PGP Activity of Microbial Communities and Bacterial Strains from the Root Zone of <i>Baccharis linearis</i> in a Mediterranean Mine Tailing
Biochemical, Catabolic, and PGP Activity of Microbial Communities and Bacterial Strains from the Root Zone of <i>Baccharis linearis</i> in a Mediterranean Mine Tailing
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Cited Reference Count: 87
Aponte, Humberto Sulbaran-Bracho, Yoelvis Mondaca, Pedro Vidal, Catalina Perez, Rodrigo Meier, Sebastian Cornejo, Pablo Rojas, Claudia
Meier, Sebastian/A-4279-2015; Aponte, Humberto/E-6254-2017
Meier, Sebastian/0000-0003-3761-3217; Aponte, Humberto/0000-0003-2218-4712; Perez Perez, Rodrigo Esteban/0000-0003-1398-4195; Meier, Sebastian/0000-0003-3491-5367; Mondaca, Pedro/0000-0003-0505-1061; Rojas-Alvarado, Claudia/0000-0001-7727-2862
Fondecyt
The authors thank Simon Cox, CODELCO and MVC, for facilitating access to the study field.
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Aponte, H (corresponding author), Univ O Higgins, Inst Agrifood Anim & Environm Sci ICA3, Lab Soil Microbial Ecol & Biogeochem, San Fernando 3070000, Chile.; Aponte, H; Sulbaran-Bracho, Y (corresponding author), Univ O Higgins, Inst Agrifood Anim & Environm Sci ICA3, Ctr Syst Biol Crop Protect BioSaV, San Fernando 3070000, Chile.; Sulbaran-Bracho, Y (corresponding author), Univ O Higgins, Inst Agrifood Anim & Environm Sci ICA3, Lab Entomol, Rancagua 2841959, Chile.
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