Genome of Herbaspirillum seropedicae Strain SmR1, a Specialized Diazotrophic Endophyte of Tropical Grasses
2011

Genome of Herbaspirillum seropedicae SmR1, a Nitrogen-Fixing Bacterium

publication 10 minutes Evidence: high

Author Information

Author(s): Fábio O. Pedrosa, Rose Adele Monteiro, Roseli Wassem, Leonardo M. Cruz, Ricardo A. Ayub, Nelson B. Colauto, Maria Aparecida Fernandez, Maria Helena P. Fungaro, Edmundo C. Grisard, Mariangela Hungria, Humberto M. F. Madeira, Rubens O. Nodari, Clarice A. Osaku, Maria Luiza Petzl-Erler, Hernán Terenzi, Luiz G. E. Vieira, Maria I. M. Almeida, Lysangela R. Alves, Anelis Marin, Luiza Maria Araujo, Eduardo Balsanelli, Valter A. Baura, Leda S. Chubatsu, Helisson Faoro, Augusto Favetti, Geraldo Friedermann, Chirlei Glienke, Susan Karp, Vanessa Kava-Cordeiro, Roberto T. Raittz, Humberto J. O. Ramos, Enilze Maria S. F. Ribeiro, Liu Un Rigo, Saul N. Rocha, Stefan Schwab, Anilda G. Silva, Eliel M. Souza, Marshall G. Yates

Primary Institution: Universidade Federal do Paraná

Hypothesis

What are the genomic features of Herbaspirillum seropedicae SmR1 that enable it to fix nitrogen and promote plant growth?

Conclusion

The genome of Herbaspirillum seropedicae SmR1 reveals its capacity to fix nitrogen and promote plant growth through various metabolic pathways and protein secretion systems.

Supporting Evidence

  • H. seropedicae can fix nitrogen and promote plant growth, increasing grain productivity by up to 50%.
  • The genome contains genes for nitrogen fixation and various metabolic pathways.
  • H. seropedicae has multiple protein secretion systems that may facilitate plant interactions.

Takeaway

This study looks at the DNA of a special bacterium that helps plants grow by fixing nitrogen from the air. It has many tools in its DNA to interact with plants and help them thrive.

Methodology

The genome was sequenced and annotated using Sanger and 454 sequencing technologies, followed by assembly and functional annotation of genes.

Limitations

The study does not explore the ecological interactions of H. seropedicae in natural environments.

Digital Object Identifier (DOI)

10.1371/journal.pgen.1002064

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication