| Revista: | Genetics and molecular biology |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000459136 |
| ISSN: | 1415-4757 |
| Autors: | Espindula, Eliandro1 Sperb, Edilena Reis1 Moz, Brenda1 Pankievicz, Vânia Carla Silva2 Tuleski, Thalita Regina2 Tadra Sfeir, Michelle Zibetti2 Bonato, Paloma2 Scheid, Camila3 Merib, Josias4 Souza, Emanuel Maltempi de2 Passaglia, Luciane Maria Pereira1 |
| Institucions: | 1Universidade Federal do Rio Grande do Sul, Instituto de Biociencias, Porto Alegre, Rio Grande do Sul. Brasil 2Universidade Federal do Parana, Centro Politecnico, Curitiba, Parana. Brasil 3Universidade Federal de Ciencias da Saude de Porto Alegre, Porto Alegre, Rio Grande do Sul. Brasil 4Universidade Federal de Ciencias da Saude de Porto Alegre, Departamento de Farmacociencias, Porto Alegre, Rio Grande do Sul. Brasil |
| Any: | 2023 |
| Volum: | 46 |
| Número: | 3 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental, analítico |
| Resumen en inglés | Amongst the sustainable alternatives to increase maize production is the use of plant growth-promoting bacteria (PGPB). Azospirillum brasilense is one of the most well-known PGPB being able to fix nitrogen and produce phytohormones, especially indole-3-acetic acid - IAA. This work investigated if there is any contribution of the bacterium to the plant’s IAA levels, and how it affects the plant. To inhibit plant IAA production, yucasin, an inhibitor of the TAM/YUC pathway, was applied. Plantlets’ IAA concentration was evaluated through HPLC and dual RNA-Seq was used to analyze gene expression. Statistical differences between the group treated with yucasin and the other groups showed that A. brasilense inoculation was able to prevent the phenotype caused by yucasin concerning the number of lateral roots. Genes involved in the auxin and ABA response pathways, auxin efflux transport, and the cell cycle were regulated by the presence of the bacterium, yucasin, or both. Genes involved in the response to biotic/abiotic stress, plant disease resistance, and a D-type cellulose synthase changed their expression pattern among two sets of comparisons in which A. brasilense acted as treatment. The results suggest that A. brasilense interferes with the expression of many maize genes through an IAA-independent pathway |
| Disciplines | Biología |
| Paraules clau: | Genética, Bacterias, Maíz, Azospirillum, Acido indolacético (AIA), Zea mays, Bacterias promotoras del crecimiento vegetal (PGPB), ARN |
| Keyword: | Genetics, Bacteria, Maize, Zea mays, Azospirillum, Indole acetic acid (IAA), RNA, Plant growth promoting bacteria (PGPB) |
| Text complet: | Texto completo (Ver HTML) Texto completo (Ver PDF) |
