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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
28/01/2016 |
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Data da última atualização: |
28/01/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, L. M. de; GRESS, J.; DE, J.; RATHINASABAPATHI, B.; MARCHI, G.; CHEN, Y.; MA, L. Q. |
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Afiliação: |
LETÚZIA M. DE OLIVEIRA, NANJING UNIVERSITY, CHINA; JULIA GRESS, UNIVERSITY OF FLORIDA, USA; JAYSANKAR DE, UNIVERSITY OF FLORIDA, USA; BALA RATHINASABAPATHI, UNIVERSITY OF FLORIDA, USA; GIULIANO MARCHI, CPAC; YANSHAN CHEN, NANJING UNIVERSITY, CHINA; LENA Q. MA, NANJING UNIVERSITY, CHINA. |
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Título: |
Sulfate and chromate increased each other's uptake and translocation in As-hyperaccumulator Pteris vittata. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Chemosphere, Oxford, n. 147, p. 36-43, March 2016. |
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ISSN: |
0045-6535 |
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DOI: |
http://dx.doi.org/10.1016/j.chemosphere.2015.12.088 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: We investigated the effects of chromate (CrVI) and sulfate on their uptake and translocation in Ashyperaccumulator Pteris vittata. Plants were exposed to 1) 0.1 mM CrVI and 0, 0.25, 1.25 or 2.5 mM sulfate or 2) 0.25 mM sulfate and 0, 0.5, 2.5 or 5.0 mM CrVI for 1 d in hydroponics. P. vittata accumulated 26 and 1261 mg kg1 Cr in the fronds and roots at CrVI0.1, and 2197 and 1589 mg kg1 S in the fronds and roots at S0.25. Increasing sulfate concentrations increased Cr root concentrations by 16e66% and helped CrVI reduction to CrIII whereas increasing CrVI concentrations increased frond sulfate concentrations by 3e27%. Increasing sulfate concentrations enhanced TBARS concentrations in the biomass, indicating oxidative stress caused lipid peroxidation in plant cell membranes. However, addition of 0.25e2.5 mM sulfate alleviated CrVI's toxic effects and decreased TBARS from 23.5 to 9.46e12.3 mmol g1 FW. Though CrVI was supplied, 78e96% of CrIII was in the biomass, indicating efficient CrVI reduction to CrIII by P. vittata. The data indicated the amazing ability of P. vittata in Cr uptake at 289 mg kg1 h1 with little translocation to the fronds. These results indicated that P. vittata had potential in Cr phytoremediation in contaminated sites but further studies are needed to evaluate this potential. The facts that CrVI and sulfate helped each other in uptake by P. vittata suggest that CrVI was not competing with sulfate uptake in P. vittata. However, the mechanisms of how sulfate and CrVI enhance each other's accumulation in P. vittata need further investigation. MenosAbstract: We investigated the effects of chromate (CrVI) and sulfate on their uptake and translocation in Ashyperaccumulator Pteris vittata. Plants were exposed to 1) 0.1 mM CrVI and 0, 0.25, 1.25 or 2.5 mM sulfate or 2) 0.25 mM sulfate and 0, 0.5, 2.5 or 5.0 mM CrVI for 1 d in hydroponics. P. vittata accumulated 26 and 1261 mg kg1 Cr in the fronds and roots at CrVI0.1, and 2197 and 1589 mg kg1 S in the fronds and roots at S0.25. Increasing sulfate concentrations increased Cr root concentrations by 16e66% and helped CrVI reduction to CrIII whereas increasing CrVI concentrations increased frond sulfate concentrations by 3e27%. Increasing sulfate concentrations enhanced TBARS concentrations in the biomass, indicating oxidative stress caused lipid peroxidation in plant cell membranes. However, addition of 0.25e2.5 mM sulfate alleviated CrVI's toxic effects and decreased TBARS from 23.5 to 9.46e12.3 mmol g1 FW. Though CrVI was supplied, 78e96% of CrIII was in the biomass, indicating efficient CrVI reduction to CrIII by P. vittata. The data indicated the amazing ability of P. vittata in Cr uptake at 289 mg kg1 h1 with little translocation to the fronds. These results indicated that P. vittata had potential in Cr phytoremediation in contaminated sites but further studies are needed to evaluate this potential. The facts that CrVI and sulfate helped each other in uptake by P. vittata suggest that CrVI was not competing with sulfate uptake in P. vittata. However, the mechanisms of ho... Mostrar Tudo |
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Palavras-Chave: |
Captação; Especiação; Sulfate. |
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Thesagro: |
Cromo; Sulfato; Translocação. |
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Thesaurus Nal: |
Chemical speciation; Chromium; Pteris vittata; Translocation (plant physiology); Uptake mechanisms. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/137945/1/S2065.pdf
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Marc: |
LEADER 02574naa a2200349 a 4500
001 2035414
005 2016-01-28
008 2016 bl uuuu u00u1 u #d
022 $a0045-6535
024 7 $ahttp://dx.doi.org/10.1016/j.chemosphere.2015.12.088$2DOI
100 1 $aOLIVEIRA, L. M. de
245 $aSulfate and chromate increased each other's uptake and translocation in As-hyperaccumulator Pteris vittata.
260 $c2016
520 $aAbstract: We investigated the effects of chromate (CrVI) and sulfate on their uptake and translocation in Ashyperaccumulator Pteris vittata. Plants were exposed to 1) 0.1 mM CrVI and 0, 0.25, 1.25 or 2.5 mM sulfate or 2) 0.25 mM sulfate and 0, 0.5, 2.5 or 5.0 mM CrVI for 1 d in hydroponics. P. vittata accumulated 26 and 1261 mg kg1 Cr in the fronds and roots at CrVI0.1, and 2197 and 1589 mg kg1 S in the fronds and roots at S0.25. Increasing sulfate concentrations increased Cr root concentrations by 16e66% and helped CrVI reduction to CrIII whereas increasing CrVI concentrations increased frond sulfate concentrations by 3e27%. Increasing sulfate concentrations enhanced TBARS concentrations in the biomass, indicating oxidative stress caused lipid peroxidation in plant cell membranes. However, addition of 0.25e2.5 mM sulfate alleviated CrVI's toxic effects and decreased TBARS from 23.5 to 9.46e12.3 mmol g1 FW. Though CrVI was supplied, 78e96% of CrIII was in the biomass, indicating efficient CrVI reduction to CrIII by P. vittata. The data indicated the amazing ability of P. vittata in Cr uptake at 289 mg kg1 h1 with little translocation to the fronds. These results indicated that P. vittata had potential in Cr phytoremediation in contaminated sites but further studies are needed to evaluate this potential. The facts that CrVI and sulfate helped each other in uptake by P. vittata suggest that CrVI was not competing with sulfate uptake in P. vittata. However, the mechanisms of how sulfate and CrVI enhance each other's accumulation in P. vittata need further investigation.
650 $aChemical speciation
650 $aChromium
650 $aPteris vittata
650 $aTranslocation (plant physiology)
650 $aUptake mechanisms
650 $aCromo
650 $aSulfato
650 $aTranslocação
653 $aCaptação
653 $aEspeciação
653 $aSulfate
700 1 $aGRESS, J.
700 1 $aDE, J.
700 1 $aRATHINASABAPATHI, B.
700 1 $aMARCHI, G.
700 1 $aCHEN, Y.
700 1 $aMA, L. Q.
773 $tChemosphere, Oxford$gn. 147, p. 36-43, March 2016.
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Registro original: |
Embrapa Cerrados (CPAC) |
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Registro |
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Biblioteca(s): |
Embrapa Gado de Leite; Embrapa Pecuária Sudeste; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
12/04/2024 |
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Data da última atualização: |
12/04/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
MATTA, F. de P.; FAVERO, A. P.; VIGNA, B. B. Z.; CAVALLARI, M. M.; ALVES, F.; OLIVEIRA, F. A. de; SOUZA, A. P. de; POZZOBON, M. T.; AZEVEDO, A. L. S.; GUSMAO, M. R. |
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Afiliação: |
FREDERICO DE PINA MATTA, CPPSE; ALESSANDRA PEREIRA FAVERO, CPPSE; BIANCA BACCILI ZANOTTO VIGNA, CPPSE; MARCELO MATTOS CAVALLARI, CPPSE; FABIO ALVES, UNIVERSIDADE ESTADUAL DE CAMPINAS; FERNANDA ANCELMO DE OLIVEIRA, UNIVERSIDADE ESTADUAL DE CAMPINAS; ANETE PEREIRA DE SOUZA, UNIVERSIDADE ESTADUAL DE CAMPINAS; MARISA TONIOLO POZZOBON, CENARGEN; ANA LUISA SOUSA AZEVEDO, CNPGL; MARCOS RAFAEL GUSMAO, CPPSE. |
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Título: |
Characterization of Paspalum genotypes for turfgrass cultivars development. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Crop Science, 2024. |
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Páginas: |
14 p. |
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DOI: |
http://doi.org/10.1002/csc2.21233 |
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Idioma: |
Inglês |
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Notas: |
First online. |
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Conteúdo: |
The characterization of genetic resources is essential to carry out a breeding program. This study aimed to characterize Paspalum genotypes with potential use as soil surface covering to support breeding programs on the development of turf cultivars. Forty-three Paspalum genotypes, comprising 11 species, were evaluated. The embryo-sacs structure was determined by cleared ovaries analysis and eight accessions were classified as sexual, 15 as apomictic, and 20 presenting facultative apomixis. Most of the genotypes have 40 chromosomes, with the exception of one accession of Paspalum vaginatum, two of Paspalum indecorum, one of Paspalum modestum, and two of Paspalum notatum that have 20 and one accession of Paspalum jesuiticum and one of Paspalum mandiocanum that have 60 chromosomes. DNA content was determined by flow cytometry, ranging from 1.35 to 4.00 pg of DNA, with most of the accessions corresponding to tetraploidy, but also diploidy and hexaploidy were found, corroborating chromosome counts. High genetic variability was found among the 43 accessions based on 11 microsatellite markers and their use to estimate Jaccard similarity coefficients and Bayesian analysis, forming six different genetic groups. Considering only the P. notatum accessions, great variability was observed with four distinct groups formed. The results presented in this work reveal the possibility to obtain assertive crosses between compatible parents, aiming to explore the genetic variability between and within species of this genus. MenosThe characterization of genetic resources is essential to carry out a breeding program. This study aimed to characterize Paspalum genotypes with potential use as soil surface covering to support breeding programs on the development of turf cultivars. Forty-three Paspalum genotypes, comprising 11 species, were evaluated. The embryo-sacs structure was determined by cleared ovaries analysis and eight accessions were classified as sexual, 15 as apomictic, and 20 presenting facultative apomixis. Most of the genotypes have 40 chromosomes, with the exception of one accession of Paspalum vaginatum, two of Paspalum indecorum, one of Paspalum modestum, and two of Paspalum notatum that have 20 and one accession of Paspalum jesuiticum and one of Paspalum mandiocanum that have 60 chromosomes. DNA content was determined by flow cytometry, ranging from 1.35 to 4.00 pg of DNA, with most of the accessions corresponding to tetraploidy, but also diploidy and hexaploidy were found, corroborating chromosome counts. High genetic variability was found among the 43 accessions based on 11 microsatellite markers and their use to estimate Jaccard similarity coefficients and Bayesian analysis, forming six different genetic groups. Considering only the P. notatum accessions, great variability was observed with four distinct groups formed. The results presented in this work reveal the possibility to obtain assertive crosses between compatible parents, aiming to explore the genetic variability between and... Mostrar Tudo |
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Palavras-Chave: |
Paspalum indecorum; Paspalum jesuiticum; Paspalum mandiocanum; Paspalum modestum; Variabilidade genética. |
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Thesagro: |
Grama; Gramínea. |
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Thesaurus NAL: |
Genetic variation; Paspalum; Paspalum vaginatum. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1163579/1/CharacterizationPaspalumGenotypes.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1163536/1/Characterization-of-Paspalum-genotypes.pdf
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Marc: |
LEADER 02587naa a2200385 a 4500
001 2163579
005 2024-04-12
008 2024 bl uuuu u00u1 u #d
024 7 $ahttp://doi.org/10.1002/csc2.21233$2DOI
100 1 $aMATTA, F. de P.
245 $aCharacterization of Paspalum genotypes for turfgrass cultivars development.$h[electronic resource]
260 $c2024
300 $a14 p.
500 $aFirst online.
520 $aThe characterization of genetic resources is essential to carry out a breeding program. This study aimed to characterize Paspalum genotypes with potential use as soil surface covering to support breeding programs on the development of turf cultivars. Forty-three Paspalum genotypes, comprising 11 species, were evaluated. The embryo-sacs structure was determined by cleared ovaries analysis and eight accessions were classified as sexual, 15 as apomictic, and 20 presenting facultative apomixis. Most of the genotypes have 40 chromosomes, with the exception of one accession of Paspalum vaginatum, two of Paspalum indecorum, one of Paspalum modestum, and two of Paspalum notatum that have 20 and one accession of Paspalum jesuiticum and one of Paspalum mandiocanum that have 60 chromosomes. DNA content was determined by flow cytometry, ranging from 1.35 to 4.00 pg of DNA, with most of the accessions corresponding to tetraploidy, but also diploidy and hexaploidy were found, corroborating chromosome counts. High genetic variability was found among the 43 accessions based on 11 microsatellite markers and their use to estimate Jaccard similarity coefficients and Bayesian analysis, forming six different genetic groups. Considering only the P. notatum accessions, great variability was observed with four distinct groups formed. The results presented in this work reveal the possibility to obtain assertive crosses between compatible parents, aiming to explore the genetic variability between and within species of this genus.
650 $aGenetic variation
650 $aPaspalum
650 $aPaspalum vaginatum
650 $aGrama
650 $aGramínea
653 $aPaspalum indecorum
653 $aPaspalum jesuiticum
653 $aPaspalum mandiocanum
653 $aPaspalum modestum
653 $aVariabilidade genética
700 1 $aFAVERO, A. P.
700 1 $aVIGNA, B. B. Z.
700 1 $aCAVALLARI, M. M.
700 1 $aALVES, F.
700 1 $aOLIVEIRA, F. A. de
700 1 $aSOUZA, A. P. de
700 1 $aPOZZOBON, M. T.
700 1 $aAZEVEDO, A. L. S.
700 1 $aGUSMAO, M. R.
773 $tCrop Science, 2024.
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Embrapa Pecuária Sudeste (CPPSE) |
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