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dc.contributor.author
Grillo Puertas, Mariana
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dc.contributor.author
Villegas, Josefina Maria
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dc.contributor.author
Pankievicz, Vânia C. S.
dc.contributor.author
Tadra-Sfeir, Michelle Z.
dc.contributor.author
Teles Mota, Francisco J.
dc.contributor.author
Hebert, Elvira Maria
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dc.contributor.author
Brusamarello Santos, Liziane
dc.contributor.author
Pedraza, Raúl Osvaldo
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dc.contributor.author
Pedrosa, Fabio O.
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Rapisarda, Viviana Andrea
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dc.contributor.author
Souza, Emanuel M.
dc.date.available
2023-01-11T16:07:13Z
dc.date.issued
2021-06
dc.identifier.citation
Grillo Puertas, Mariana; Villegas, Josefina Maria; Pankievicz, Vânia C. S.; Tadra-Sfeir, Michelle Z.; Teles Mota, Francisco J.; et al.; Transcriptional Responses of Herbaspirillum seropedicae to Environmental Phosphate Concentration; Frontiers Media; Frontiers in Microbiology; 12; 6-2021; 1-15
dc.identifier.issn
1664-302X
dc.identifier.uri
http://hdl.handle.net/11336/184370
dc.description.abstract
Herbaspirillum seropedicae is a nitrogen-fixing endophytic bacterium associated with important cereal crops, which promotes plant growth, increasing their productivity. The understanding of the physiological responses of this bacterium to different concentrations of prevailing nutrients as phosphate (Pi) is scarce. In some bacteria, culture media Pi concentration modulates the levels of intracellular polyphosphate (polyP), modifying their cellular fitness. Here, global changes of H. seropedicae SmR1 were evaluated in response to environmental Pi concentrations, based on differential intracellular polyP levels. Cells grown in high-Pi medium (50 mM) maintained high polyP levels in stationary phase, while those grown in sufficient Pi medium (5 mM) degraded it. Through a RNA-seq approach, comparison of transcriptional profiles of H. seropedicae cultures revealed that 670 genes were differentially expressed between both Pi growth conditions, with 57% repressed and 43% induced in the high Pi condition. Molecular and physiological analyses revealed that aspects related to Pi metabolism, biosynthesis of flagella and chemotaxis, energy production, and polyhydroxybutyrate metabolism were induced in the high-Pi condition, while those involved in adhesion and stress response were repressed. The present study demonstrated that variations in environmental Pi concentration affect H. seropedicae traits related to survival and other important physiological characteristics. Since environmental conditions can influence the effectiveness of the plant growth-promoting bacteria, enhancement of bacterial robustness to withstand different stressful situations is an interesting challenge. The obtained data could serve not only to understand the bacterial behavior in respect to changes in rhizospheric Pi gradients but also as a base to design strategies to improve different bacterial features focusing on biotechnological and/or agricultural purposes.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Frontiers Media
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ADHESION
dc.subject
HERBASPIRILLUM SEROPEDICAE
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PHOSPHATE
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PLANT-MICROBE INTERACTION
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POLYPHOSPHATE
dc.subject.classification
Biología Celular, Microbiología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Transcriptional Responses of Herbaspirillum seropedicae to Environmental Phosphate Concentration
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-05-10T14:35:51Z
dc.journal.volume
12
dc.journal.pagination
1-15
dc.journal.pais
Suiza
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dc.description.fil
Fil: Grillo Puertas, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto Superior de Investigaciones Biológicas. Universidad Nacional de Tucumán. Instituto Superior de Investigaciones Biológicas; Argentina
dc.description.fil
Fil: Villegas, Josefina Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto Superior de Investigaciones Biológicas. Universidad Nacional de Tucumán. Instituto Superior de Investigaciones Biológicas; Argentina
dc.description.fil
Fil: Pankievicz, Vânia C. S.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Tadra-Sfeir, Michelle Z.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Teles Mota, Francisco J.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Hebert, Elvira Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina
dc.description.fil
Fil: Brusamarello Santos, Liziane. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Pedraza, Raúl Osvaldo. Universidad Nacional de Tucumán; Argentina
dc.description.fil
Fil: Pedrosa, Fabio O.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Rapisarda, Viviana Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto Superior de Investigaciones Biológicas. Universidad Nacional de Tucumán. Instituto Superior de Investigaciones Biológicas; Argentina
dc.description.fil
Fil: Souza, Emanuel M.. Universidade Federal do Paraná; Brasil
dc.journal.title
Frontiers in Microbiology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3389/fmicb.2021.666277
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