{"id":18658,"date":"2026-09-15T17:20:09","date_gmt":"2026-09-15T20:20:09","guid":{"rendered":"https:\/\/www.ufrgs.br\/ppgbm\/?p=18658"},"modified":"2026-09-15T17:20:09","modified_gmt":"2026-09-15T20:20:09","slug":"21-09-seminario-de-qualificacao-doutorado-gerodes-vasconcelos-da-costa","status":"publish","type":"post","link":"https:\/\/www.ufrgs.br\/ppgbm\/21-09-seminario-de-qualificacao-doutorado-gerodes-vasconcelos-da-costa\/","title":{"rendered":"21\/09 &#8211; SEMIN\u00c1RIO DE QUALIFICA\u00c7\u00c3O (Doutorado) &#8211; GERODES VASCONCELOS DA COSTA"},"content":{"rendered":"<p><strong>SEMIN\u00c1RIO DE QUALIFICA\u00c7\u00c3O (Doutorado)<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>GERODES VASCONCELOS DA COSTA<\/strong><\/p>\n<p><strong>Use of\u00a0<em>Bacillus<\/em>\u00a0sp. S26 for the protection of tomato plants against\u00a0<em>Botrytis cinerea<\/em><\/strong><\/p>\n<p>Orientadora: Dra. Camille Eichelberger Granada<\/p>\n<p>Banca Examinadora: Dra. Marcia Pinheiro Margis (PPGBM-UFRGS) e Dr. Igor Daniel Alves Ribeiro (Dep. de Microbiologia, Imunologia e Parasitologia \u2013 UFRGS)<\/p>\n<p>21 de setembro de 2026 (segunda-feira)<\/p>\n<p><strong>10h30min<\/strong><\/p>\n<p><strong>Presencial:\u00a0<\/strong>Anfiteatro do\u00a0Departamento\u00a0de\u00a0Gen\u00e9tica da UFRGS (Campus do Vale, pr\u00e9dio 43312)<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Abstract:<\/strong><\/p>\n<p>Plant inoculants composed of plant growth-promoting bacteria (PGPB) are important for agricultural production and can act through three main mechanisms: as biostimulants, biofertilizers, and\/or biocontrol agents The development of sustainable agricultural strategies requires the identification of multifunctional microbial inoculants capable of promoting plant growth while suppressing phytopathogens. In this study, a rhizospheric bacterial isolate previously designated <em>Bacillus<\/em> sp. S26 was comprehensively characterized through genomic, <em>in vitro<\/em>, and <em>in vivo<\/em> approaches.\u00a0 Whole-genome sequencing identified the strain as <em>Bacillus velezensis<\/em>, closely related to the model strain FZB42 and no detectable virulence-associated genes.<\/p>\n<p>Genome mining revealed genes involved in plant growth promotion, including those related to siderophore biosynthesis, phosphate mobilization, phytohormone production, stress tolerance, and plant colonization. Our study identified 17 biosynthetic gene clusters associated with the production of surfactin, fengycin, iturin-type compounds, bacillibactin, difficidin, bacillaene, and macrolactin. MALDI-TOF analyses confirmed the production of fengycin and iturin-related metabolites. <em>In vitro<\/em> assays demonstrated broad-spectrum antagonistic activity against seven phytopathogenic fungi. In greenhouse experiments, inoculation with <em>B. velezensis<\/em> S26 promoted tomato plant growth.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SEMIN\u00c1RIO DE QUALIFICA\u00c7\u00c3O (Doutorado) &nbsp; GERODES VASCONCELOS DA COSTA Use of\u00a0Bacillus\u00a0sp. S26 for the protection of tomato plants against\u00a0Botrytis cinerea Orientadora: Dra. Camille Eichelberger Granada Banca Examinadora: Dra. Marcia Pinheiro [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":18659,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-18658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seminarios-e-defesas"],"_links":{"self":[{"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/posts\/18658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/comments?post=18658"}],"version-history":[{"count":1,"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/posts\/18658\/revisions"}],"predecessor-version":[{"id":18660,"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/posts\/18658\/revisions\/18660"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/media\/18659"}],"wp:attachment":[{"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/media?parent=18658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/categories?post=18658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ppgbm\/wp-json\/wp\/v2\/tags?post=18658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}