Rhizobia exopolysaccharides: promising biopolymers for use in the formulation of plant inoculants

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Federal de Lavras (UFLA)-
Autor(es): dc.contributorIFMA-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniv Fed Maranhao-
Autor(es): dc.creatorFarias, Thiago Palhares-
Autor(es): dc.creatorCastro, Elisa de Melo-
Autor(es): dc.creatorTangerina, Marcelo Marucci Pereira[UNESP]-
Autor(es): dc.creatorRocha, Claudia Quintino da-
Autor(es): dc.creatorBezerra, Cicero Wellington Brito-
Autor(es): dc.creatorMoreira, Fatima Maria de Souza-
Data de aceite: dc.date.accessioned2025-08-21T23:05:21Z-
Data de disponibilização: dc.date.available2025-08-21T23:05:21Z-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-09-15-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s42770-022-00824-z-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/237876-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/237876-
Descrição: dc.descriptionInoculants with beneficial microorganisms comprise both selected strains and carriers that ensure a favorable microenvironment for cell survival and stability. Formulations of inoculants using synthetic polymers as carriers are common. However, only a few studies are available in the literature regarding the formulation of inoculants using natural biomolecules as carriers. Exopolysaccharides (EPS) are biomolecules produced by a vast array of microbial species, including symbiotic nitrogen-fixing bacteria, commonly known as rhizobia. EPS perform several functions, such as the protection against the deleterious effects of diverse environmental soil stresses. Two Rhizobium tropici strains and one Paraburkholderia strain were selected after semiquantitative analysis by scanning electron microscopy (SEM) of their EPS production in liquid YMA medium. Their EPS were characterized through a series of analytical techniques, aiming at their use in the formulation of plant inoculants. In addition, the effect of the carbon source on EPS yield was evaluated. Multi-stage fragmentation analysis showed the presence of xylose, glucose, galactose, galacturonic acid, and glucuronic acid in EPS chemical composition, which was confirmed by FT-IR spectra and C-13 NMR spectroscopy. Thermal stability (thermogravimetric) was close to 270 degrees C and viscosity ranged from 120 to 1053.3 mPa.s. Surface morphology (SEM) was rough and irregular, with a cross-linked spongy matrix, which, together with the hydrophilic functional groups, confers water holding capacity. The present study showed that the three EPS have potential as microorganism carriers for formulation of microbial inoculants to be applied in plants.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)-
Descrição: dc.descriptionProgram for the Qualification of Public Servants of IFMA (PROQUALIS)-
Descrição: dc.descriptionUniv Fed Lavras UFLA, Dept Ciencia Solo, Caixa Postal 3037, BR-37200900 Lavras, MG, Brazil-
Descrição: dc.descriptionIFMA, Lab Microbiol Solo & Biotecnol DDE, Campus Sao Luis Maracana, BR-65095460 Sao Luis, Maranhao, Brazil-
Descrição: dc.descriptionUniv Fed Lavras, Caixa Postal 3037, BR-37200900 Lavras, MG, Brazil-
Descrição: dc.descriptionUNESP, Inst Biociencias, Campus Litoral Paulista, BR-11330900 Sao Vincente, SP, Brazil-
Descrição: dc.descriptionUniv Fed Maranhao, Dept Quim, Campus Univ Dom Delgado 1966, BR-65080040 Sao Luis, Maranhao, Brazil-
Descrição: dc.descriptionUniv Fed Lavras, Dept Ciencia Solo, Campus Univ 3037, BR-37200900 Lavras, MG, Brazil-
Descrição: dc.descriptionUNESP, Inst Biociencias, Campus Litoral Paulista, BR-11330900 Sao Vincente, SP, Brazil-
Descrição: dc.descriptionCAPES: CAPES/PROEX AUXPE 593/2018-
Descrição: dc.descriptionCNPq: 304527/2016-5-
Descrição: dc.descriptionCNPq: 431504/2016-4-
Descrição: dc.descriptionFAPEMIG: CAG-RED-00330-16-
Formato: dc.format14-
Idioma: dc.languageen-
Publicador: dc.publisherSpringer-
Relação: dc.relationBrazilian Journal Of Microbiology-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectBacterial exopolysaccharide-
Palavras-chave: dc.subjectWater holding-
Palavras-chave: dc.subjectCellular protection-
Palavras-chave: dc.subjectInoculant carrier-
Palavras-chave: dc.subjectParaburkholderia-
Palavras-chave: dc.subjectRhizobium tropici-
Título: dc.titleRhizobia exopolysaccharides: promising biopolymers for use in the formulation of plant inoculants-
Tipo de arquivo: dc.typelivro digital-
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