{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T04:47:02Z","timestamp":1791866822009,"version":"4.3.4"},"reference-count":80,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T00:00:00Z","timestamp":1790726400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Agency for Research and Development","award":["ATE230007,"],"award-info":[{"award-number":["ATE230007,"]}]},{"name":"National Agency for Research and Development","award":["1250452"],"award-info":[{"award-number":["1250452"]}]},{"name":"National Agency for Research and Development","award":["NCN2024_047"],"award-info":[{"award-number":["NCN2024_047"]}]},{"name":"National Agency for Research and Development","award":["21242604"],"award-info":[{"award-number":["21242604"]}]},{"name":"National Agency for Research and Development","award":["3261006."],"award-info":[{"award-number":["3261006."]}]},{"name":"National Agency for Research and Development","award":["ATE250064"],"award-info":[{"award-number":["ATE250064"]}]},{"award":["ATE230007,"],"award-info":[{"award-number":["ATE230007,"]}],"id":[{"id":"https:\/\/ror.org\/02ap3w078","id-type":"ROR","asserted-by":"publisher"}]},{"award":["1250452"],"award-info":[{"award-number":["1250452"]}],"id":[{"id":"https:\/\/ror.org\/02ap3w078","id-type":"ROR","asserted-by":"publisher"}]},{"award":["NCN2024_047"],"award-info":[{"award-number":["NCN2024_047"]}],"id":[{"id":"https:\/\/ror.org\/02ap3w078","id-type":"ROR","asserted-by":"publisher"}]},{"award":["21242604"],"award-info":[{"award-number":["21242604"]}],"id":[{"id":"https:\/\/ror.org\/02ap3w078","id-type":"ROR","asserted-by":"publisher"}]},{"award":["3261006."],"award-info":[{"award-number":["3261006."]}],"id":[{"id":"https:\/\/ror.org\/02ap3w078","id-type":"ROR","asserted-by":"publisher"}]},{"award":["ATE250064"],"award-info":[{"award-number":["ATE250064"]}],"id":[{"id":"https:\/\/ror.org\/02ap3w078","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100015634","name":"Instituto Ant\u00e1rtico Chileno","doi-asserted-by":"publisher","award":["RG_07_24"],"award-info":[{"award-number":["RG_07_24"]}],"id":[{"id":"10.13039\/501100015634","id-type":"DOI","asserted-by":"publisher"}]},{"award":["RG_07_24"],"award-info":[{"award-number":["RG_07_24"]}],"id":[{"id":"https:\/\/ror.org\/022gs0c53","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Plants"],"abstract":"<jats:p>Water deficit constrains common bean (Phaseolus vulgaris L.) production in the acidic Andisols of south-central Chile. We evaluated Bacillus haynesii CamB6 (thermotolerant, Chilean hydrothermal spring) and Microbacterium sp. Se63 (psychrotolerant, Antarctic soil), singly and as a two-strain consortium, for in vitro plant-growth-promoting traits and, via seed bacterization, on P. vulgaris cvs. Manteca and Se\u00f1orita under simulated water deficit (PEG-8000, 0\u201315% w\/v). The strains showed complementary in vitro profiles: Se63 solubilized more phosphate and produced siderophores and lipase, whereas CamB6 produced catalase, protease, HCN, and more indole-3-acetic acid. Responses in planta were stress- and cultivar-dependent. In the susceptible cultivar Manteca, Se63 alone increased shoot length and seedling dry weight under mild-to-moderate stress but did not rescue germination at 15% PEG, where it did not differ from the non-inoculated control; there, CamB6 was the most effective single strain (germination 31.0% to 52.0%). In the tolerant cultivar Se\u00f1orita, Se63 alone produced the largest root-length gain under severe stress (100.4 to 208.6 cm) and the thickest roots, while the consortium rescued germination (65.0% to 93.0%), shoot length (+291%) and dry weight (+79%), attenuated lipid peroxidation and raised antioxidant capacity. Combining these extremophile strains therefore yields a stress-conditional, cultivar-dependent benefit in P. vulgaris.<\/jats:p>","DOI":"10.3390\/plants15193004","type":"journal-article","created":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T16:36:31Z","timestamp":1790786191000},"page":"3004","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Extremophilic Bacteria Improve Germination, Early Vigor, and Oxidative-Stress Status in Phaseolus vulgaris Under Simulated Water Deficit"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-4475-8461","authenticated-orcid":false,"given":"Rodrigo","family":"Mora-Sanhueza","sequence":"first","affiliation":[{"name":"Programa de Doctorado en Ciencias Agropecuarias, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Temuco 4781312, Chile"},{"name":"Laboratorio de Fisiolog\u00eda y Biotecnolog\u00eda Vegetal, Departamento de Ciencias Agropecuarias y Acu\u00edcolas, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Temuco 4780000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cynthia","family":"Meza","sequence":"additional","affiliation":[{"name":"Functional Polysaccharides Research Group, Instituto de Ciencias Aplicadas, Facultad de Ingenier\u00eda, Universidad Aut\u00f3noma de Chile, Talca 3460000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicolas","family":"Flores-Casta\u00f1\u00f3n","sequence":"additional","affiliation":[{"name":"Doctorado en Ciencias Biom\u00e9dicas, Instituto de Ciencias Biom\u00e9dicas, Facultad de las Ciencias de la Salud, Universidad Aut\u00f3noma de Chile, Talca 3460000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3989-7682","authenticated-orcid":false,"given":"Ricardo","family":"Tighe-Neira","sequence":"additional","affiliation":[{"name":"Laboratorio de Fisiolog\u00eda y Biotecnolog\u00eda Vegetal, Departamento de Ciencias Agropecuarias y Acu\u00edcolas, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Temuco 4780000, Chile"},{"name":"Departamento de Ciencias Agropecuarias y Acu\u00edcolas, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Rudecindo Ortega 02950, Temuco 4780000, Chile"},{"name":"N\u00facleo de Investigaci\u00f3n en Producci\u00f3n Alimentaria, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Temuco 4781312, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5061-4903","authenticated-orcid":false,"given":"Aparna","family":"Banerjee","sequence":"additional","affiliation":[{"name":"Functional Polysaccharides Research Group, Instituto de Ciencias Aplicadas, Facultad de Ingenier\u00eda, Universidad Aut\u00f3noma de Chile, Talca 3460000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8629-5107","authenticated-orcid":false,"given":"Kattia","family":"N\u00fa\u00f1ez-Montero","sequence":"additional","affiliation":[{"name":"Instituto de Ciencias Aplicadas, Facultad de Ingenier\u00eda, Universidad Aut\u00f3noma de Chile, Santiago 8580640, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valentina","family":"Vallejos","sequence":"additional","affiliation":[{"name":"Instituto de Ciencias Aplicadas, Facultad de Ingenier\u00eda, Universidad Aut\u00f3noma de Chile, Santiago 8580640, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3854-1286","authenticated-orcid":false,"given":"Patricio","family":"Arce-Johnson","sequence":"additional","affiliation":[{"name":"Instituto de Ciencias Aplicadas, Facultad de Ingenier\u00eda, Universidad Aut\u00f3noma de Chile, Santiago 8580640, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6198-8276","authenticated-orcid":false,"given":"Claudio","family":"Inostroza-Blancheteau","sequence":"additional","affiliation":[{"name":"Laboratorio de Fisiolog\u00eda y Biotecnolog\u00eda Vegetal, Departamento de Ciencias Agropecuarias y Acu\u00edcolas, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Temuco 4780000, Chile"},{"name":"Departamento de Ciencias Agropecuarias y Acu\u00edcolas, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Rudecindo Ortega 02950, Temuco 4780000, Chile"},{"name":"N\u00facleo de Investigaci\u00f3n en Producci\u00f3n Alimentaria, Facultad de Recursos Naturales, Universidad Cat\u00f3lica de Temuco, Temuco 4781312, Chile"},{"name":"ANID\u2013Millennium Science Initiative Program\u2013Millennium Nucleus in Data Science for Plant Resilience (Phytolearning), Santiago 8370186, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,9,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Tay, K., Zapata, N., Urrea, C.A., Elazab, A., Garriga, M., and Le\u00f3n, L. 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