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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
19/02/2016 |
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Data da última atualização: |
15/04/2016 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
BONONI, L.; VASCONCELLOS, R. L. F.; TAKETANI, R. G.; VILELA, E. S. D.; MOITINHO, M. A.; MELO, I. S. de. |
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Afiliação: |
L. BONONI, ESALQ/USP; R. L. F. VASCONCELLOS; R. G. TAKETANI, Bolsista FAPESP; E. S. D. VILELA; M. A. MOITINHO, ESALQ/USP; ITAMAR SOARES DE MELO, CNPMA. |
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Título: |
Change in enzymatic activity of microbial communities on the seasonal differences in soils the of biomes caatinga and atlantic forest. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 28., Florianópolis. Anais... Florianópolis: Sociedade Brasileira de Microbiologia, 2015. Ref. 0973-1. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The average global temperature has increased and will continue increasing, with forecast of up to 5.8° C by the end of this century as a result of the increase in the concentration of greenhouse gases in the atmosphere. Due to these increased temperature, some biomes may introduce features of arid and semi-arid environments in the coming years. The patterns of water availability in the soil can select groups of microorganisms with physiological strategies to tolerate these seasonal changes. Nutrient availability for plants becomes limited when the aqueous part of the soil is low in the dry period. On the other hand, in irrigated soils the concentration of nutrients available associated with mineralization increases rapidly. Environmental indicators such as seasonal variations in the enzymatic activity, the abundance of microorganisms and soil physical and chemical characteristics, are useful to measure and analyze the change of the functionality soil microbiota. This work was aimed to study the seasonal changes of enzymatic activity (dehydrogenase, acid phosphatase and alkaline, arylsulfatase, phytase, cellulase, amylase and urease) of microbial communities in soils of Caatinga and Atlantic Forest. The soils were collected in Bertioga-SP, Cananéia-SP, Juazeiro-BA and Petrolina-PE. The samples of soil were sifted and separated into 18 glass bottles of 200 mL containing 50 g of each soil. The bottles were incubated at 28° C varying moisture in 60% and 30% every 14 days corresponding to three seasonal cycles. The sequencing of 16S ribosomal RNA gene (rRNA) of samples was performed using the Ion Sequencing Kit 400 (Life Technologies). The dynamics of the bacterial communities had influences of seasonal changes, especially when compared the biogeographic patterns. The effect of moisture was significantly different (p < 0.05) only to the activity of alkaline phosphatase and phytase enzymes. The activity of all enzymes, except phytase, was important to discriminate the soils between Caatinga and Atlantic Forest biomes. Seasonality had an effect on the enzymatic activity that was related with the functional change in the soil microbiota. MenosAbstract: The average global temperature has increased and will continue increasing, with forecast of up to 5.8° C by the end of this century as a result of the increase in the concentration of greenhouse gases in the atmosphere. Due to these increased temperature, some biomes may introduce features of arid and semi-arid environments in the coming years. The patterns of water availability in the soil can select groups of microorganisms with physiological strategies to tolerate these seasonal changes. Nutrient availability for plants becomes limited when the aqueous part of the soil is low in the dry period. On the other hand, in irrigated soils the concentration of nutrients available associated with mineralization increases rapidly. Environmental indicators such as seasonal variations in the enzymatic activity, the abundance of microorganisms and soil physical and chemical characteristics, are useful to measure and analyze the change of the functionality soil microbiota. This work was aimed to study the seasonal changes of enzymatic activity (dehydrogenase, acid phosphatase and alkaline, arylsulfatase, phytase, cellulase, amylase and urease) of microbial communities in soils of Caatinga and Atlantic Forest. The soils were collected in Bertioga-SP, Cananéia-SP, Juazeiro-BA and Petrolina-PE. The samples of soil were sifted and separated into 18 glass bottles of 200 mL containing 50 g of each soil. The bottles were incubated at 28° C varying moisture in 60% and 30% every 14 da... Mostrar Tudo |
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Palavras-Chave: |
Arid environments; Seasonality; Soil microbiota. |
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Thesagro: |
Caatinga. |
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Thesaurus Nal: |
Dry environmental conditions; Enzyme activity; Soil microorganisms. |
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Categoria do assunto: |
V Taxonomia de Organismos |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/139543/1/2015RA-018.pdf
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Marc: |
LEADER 03090nam a2200253 a 4500
001 2037853
005 2016-04-15
008 2015 bl uuuu u00u1 u #d
100 1 $aBONONI, L.
245 $aChange in enzymatic activity of microbial communities on the seasonal differences in soils the of biomes caatinga and atlantic forest.$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 28., Florianópolis. Anais... Florianópolis: Sociedade Brasileira de Microbiologia, 2015. Ref. 0973-1.$c0973
520 $aAbstract: The average global temperature has increased and will continue increasing, with forecast of up to 5.8° C by the end of this century as a result of the increase in the concentration of greenhouse gases in the atmosphere. Due to these increased temperature, some biomes may introduce features of arid and semi-arid environments in the coming years. The patterns of water availability in the soil can select groups of microorganisms with physiological strategies to tolerate these seasonal changes. Nutrient availability for plants becomes limited when the aqueous part of the soil is low in the dry period. On the other hand, in irrigated soils the concentration of nutrients available associated with mineralization increases rapidly. Environmental indicators such as seasonal variations in the enzymatic activity, the abundance of microorganisms and soil physical and chemical characteristics, are useful to measure and analyze the change of the functionality soil microbiota. This work was aimed to study the seasonal changes of enzymatic activity (dehydrogenase, acid phosphatase and alkaline, arylsulfatase, phytase, cellulase, amylase and urease) of microbial communities in soils of Caatinga and Atlantic Forest. The soils were collected in Bertioga-SP, Cananéia-SP, Juazeiro-BA and Petrolina-PE. The samples of soil were sifted and separated into 18 glass bottles of 200 mL containing 50 g of each soil. The bottles were incubated at 28° C varying moisture in 60% and 30% every 14 days corresponding to three seasonal cycles. The sequencing of 16S ribosomal RNA gene (rRNA) of samples was performed using the Ion Sequencing Kit 400 (Life Technologies). The dynamics of the bacterial communities had influences of seasonal changes, especially when compared the biogeographic patterns. The effect of moisture was significantly different (p < 0.05) only to the activity of alkaline phosphatase and phytase enzymes. The activity of all enzymes, except phytase, was important to discriminate the soils between Caatinga and Atlantic Forest biomes. Seasonality had an effect on the enzymatic activity that was related with the functional change in the soil microbiota.
650 $aDry environmental conditions
650 $aEnzyme activity
650 $aSoil microorganisms
650 $aCaatinga
653 $aArid environments
653 $aSeasonality
653 $aSoil microbiota
700 1 $aVASCONCELLOS, R. L. F.
700 1 $aTAKETANI, R. G.
700 1 $aVILELA, E. S. D.
700 1 $aMOITINHO, M. A.
700 1 $aMELO, I. S. de
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
11/06/1997 |
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Data da última atualização: |
17/03/2020 |
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Autoria: |
OLIVEIRA, J. A. de; LOBO, R. B.; OLIVEIRA, H. N. de. |
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Afiliação: |
JOÃO ADEMIR DE OLIVEIRA, Universidade Estadual Paulista - UNESP/Faculdade de Ciências Agrárias e Veterinárias - FCAVJ; RAYSILDO BARBOSA LOBO, Universidade Estadual Paulista - UNESP/Faculdade de Medicina de Ribeirão Preto - FMRP; Universidade Estadual Paulista - UNESP/Faculdade de Médicina, Veterinária e Zootecnia - FMVZ/Departamento de Melhoramento e Nutrição Animal. |
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Título: |
Tendência genética em pesos e ganhos em peso de bovinos da raça Guzerá. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 30, n. 11, p. 1355-1360, nov. 1995. |
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Idioma: |
Português |
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Notas: |
Título em inglês: Genetic trends in weights and weight gains of "Guzera" cattle. |
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Conteúdo: |
Objetivou-se, neste estudo, estimar as tendencias fenotipicas e geneticas observadas nos pesos ao nascer (PN), aos oito (P8) e as 12 meses (P12) de idade e nos ganhos diarios de peso do nascimento aos oito (G8) e as 12 (G12) meses, em uma amostra de 842 animais Guzera nascidos na Fazenda de Ensino e Pesquisa do Campus de Ilha Solteira, UNESP, no periodo de 1979 a 1984. As mudancas geneticas foram estimadas por tres procedimentos alternativos, dois deles baseados no metodo do uso repetido de touros em anos sucessivos, e o terceiro procedimento nas diferencas entre os valores geneticos medios anuais de touros. As mudancas fenotipicas anuais foram de -0,232kg, -8,278kg, 0,033kg, -8,498kg e 0,023kg, respectivamente para PN, P8, G8, P12 e G12. As estimativas das tendencias geneticas anuais obtidas pelos tres procedimentos diferiram entre si, mas indicaram que as mudancas geneticas em todas as caracteristicas estudadas foram de pequena magnitude. |
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Palavras-Chave: |
Peso a desmama; Peso aos 365 dias; Phenotipc trends; Tendencia fenotipica; Yearling weight. |
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Thesagro: |
Gado de Corte; Peso ao Nascer. |
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Thesaurus NAL: |
beef cattle; birth weight; weaning weight. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/14776/1/pab95_10_nov.pdf
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Marc: |
LEADER 01824naa a2200277 a 4500
001 1099079
005 2020-03-17
008 1995 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, J. A. de
245 $aTendência genética em pesos e ganhos em peso de bovinos da raça Guzerá.
260 $c1995
500 $aTítulo em inglês: Genetic trends in weights and weight gains of "Guzera" cattle.
520 $aObjetivou-se, neste estudo, estimar as tendencias fenotipicas e geneticas observadas nos pesos ao nascer (PN), aos oito (P8) e as 12 meses (P12) de idade e nos ganhos diarios de peso do nascimento aos oito (G8) e as 12 (G12) meses, em uma amostra de 842 animais Guzera nascidos na Fazenda de Ensino e Pesquisa do Campus de Ilha Solteira, UNESP, no periodo de 1979 a 1984. As mudancas geneticas foram estimadas por tres procedimentos alternativos, dois deles baseados no metodo do uso repetido de touros em anos sucessivos, e o terceiro procedimento nas diferencas entre os valores geneticos medios anuais de touros. As mudancas fenotipicas anuais foram de -0,232kg, -8,278kg, 0,033kg, -8,498kg e 0,023kg, respectivamente para PN, P8, G8, P12 e G12. As estimativas das tendencias geneticas anuais obtidas pelos tres procedimentos diferiram entre si, mas indicaram que as mudancas geneticas em todas as caracteristicas estudadas foram de pequena magnitude.
650 $abeef cattle
650 $abirth weight
650 $aweaning weight
650 $aGado de Corte
650 $aPeso ao Nascer
653 $aPeso a desmama
653 $aPeso aos 365 dias
653 $aPhenotipc trends
653 $aTendencia fenotipica
653 $aYearling weight
700 1 $aLOBO, R. B.
700 1 $aOLIVEIRA, H. N. de
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 30, n. 11, p. 1355-1360, nov. 1995.
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