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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
17/09/2001 |
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Data da última atualização: |
01/09/2004 |
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Autoria: |
FONTANA, D. C.; BERLATO, M. A.; BERGAMASCHI, H. |
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Título: |
Balanco de Energia em Soja Irrigada e Nao Irrigada. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasilia, v.26, n.3, p.403-410, mar.1991 |
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Idioma: |
Português |
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Conteúdo: |
Foi realizado um experimento micrometeorológico em Taquari, RS, 1985/86, com o objetivo de avaliar os componentes do balanço de energia em soja, cv. Bragg, em con-dições de irrigação da parcela de (2.500 m2) e não irrigada (2.100 m2). A parcela sem irriga-ção foi submetida a um período de deficiência hídrica do início do ciclo à floração plena. A utilização do saldo de radiação foi diferente entre os tratamentos, sendo influenciada pelo potencial da água no solo e pela demanda evaporativa da atmosfera. O fluxo de calor latente de evaporação representou a maior porção do saldo de radiação, sendo 95% na parcela irriga-da e 78% na parcela não irrigada. O fluxo de calor no solo representou a menor porção do saldo de radiação, sendo 2% e 7% na parcela irrigada e não irrigada, respectivamente. |
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Palavras-Chave: |
micrometeorologia. |
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Thesagro: |
Deficiência Hídrica; Evaporação; Glycine Max; Radiação. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/20813/1/pab15_mar_91.pdf
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Marc: |
LEADER 01400naa a2200205 a 4500
001 1105769
005 2004-09-01
008 1991 bl uuuu u00u1 u #d
100 1 $aFONTANA, D. C.
245 $aBalanco de Energia em Soja Irrigada e Nao Irrigada.
260 $c1991
520 $aFoi realizado um experimento micrometeorológico em Taquari, RS, 1985/86, com o objetivo de avaliar os componentes do balanço de energia em soja, cv. Bragg, em con-dições de irrigação da parcela de (2.500 m2) e não irrigada (2.100 m2). A parcela sem irriga-ção foi submetida a um período de deficiência hídrica do início do ciclo à floração plena. A utilização do saldo de radiação foi diferente entre os tratamentos, sendo influenciada pelo potencial da água no solo e pela demanda evaporativa da atmosfera. O fluxo de calor latente de evaporação representou a maior porção do saldo de radiação, sendo 95% na parcela irriga-da e 78% na parcela não irrigada. O fluxo de calor no solo representou a menor porção do saldo de radiação, sendo 2% e 7% na parcela irrigada e não irrigada, respectivamente.
650 $aDeficiência Hídrica
650 $aEvaporação
650 $aGlycine Max
650 $aRadiação
653 $amicrometeorologia
700 1 $aBERLATO, M. A.
700 1 $aBERGAMASCHI, H.
773 $tPesquisa Agropecuaria Brasileira, Brasilia$gv.26, n.3, p.403-410, mar.1991
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
08/12/2015 |
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Data da última atualização: |
25/01/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
DOMINGOS, D. F.; FARIA, A. F. de; GALAVERNA, R. S.; EBERLIN, M. N.; GREENFIELD, P.; ZUCCHI, T. D.; MELO, I. S. de; TRAN-DINH, N.; MIDGLEY, D.; OLIVEIRA, V. M. |
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Afiliação: |
DANIELA FERREIRA DOMINGOS, CPQBA-UNICAMP; ANDREIA FONSECA DE FARIA, Yale University; RENAN DE SOUZA GALAVERNA, IQ-UNICAMP; MARCOS NOGUEIRA EBERLIN, IQ-UNICAMP; PAUL GREENFIELD, CSIRO; TIAGO DOMINGUES ZUCCHI; ITAMAR SOARES DE MELO, CNPMA; NAI TRAN-DINH, CSIRO; DAVID MIDGLEY, CSIRO; VALERIA MAIA DE OLIVEIRA, CPQBA-UNICAMP. |
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Título: |
Genomic and chemical insights into biosurfactant production by the mangrove-derived strain Bacillus safensis CCMA-560. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Applied Microbiology and Biotechnology, Heidelberg, v. 99, n. 7, p. 3155-3167, 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Many Bacillus species can produce biosurfactant, although most of the studies on lipopeptide production by this genus have been focused on Bacillus subtilis. Surfactants are broadly used in pharmaceutical, food and petroleum industry, and biological surfactant shows some advantages over the chemical surfactants, such as less toxicity, production from renewable, cheaper feedstocks and development of novel recombinant hyperproducer strains. This study is aimed to unveil the biosurfactant metabolic pathway and chemical composition in Bacillus safensis strain CCMA-560. The whole genome of the CCMA 560 strain was previously sequenced, and with the aid of bioinformatics tools, its biosurfactant metabolic pathway was compared to other pathways of closely related species. Fourier transform infrared (FTIR) and highresolution TOF mass spectrometry (MS) were used to characterize the biosurfactant molecule. B. safensis CCMA-560 metabolic pathway is similar to other Bacillus species; however, some differences in amino acid incorporation were observed, and chemical analyses corroborated the genetic results. The strain CCMA-560 harbours two genes flanked by srfAC and srfAD not present in other Bacillus spp., which can be involved in the production of the analogue gramicidin. FTIR and MS showed that B. safensis CCMA-560 produces a mixture of at least four lipopeptides with seven amino acids incorporated and a fatty acid chain with 14 carbons, which makes this molecule similar to the biosurfactant of Bacillus pumilus, namely, pumilacidin. This is the first report on the biosurfactant production by B. safensis, encompassing the investigation of the metabolic pathway and chemical characterization of the biosurfactant molecule. MenosAbstract: Many Bacillus species can produce biosurfactant, although most of the studies on lipopeptide production by this genus have been focused on Bacillus subtilis. Surfactants are broadly used in pharmaceutical, food and petroleum industry, and biological surfactant shows some advantages over the chemical surfactants, such as less toxicity, production from renewable, cheaper feedstocks and development of novel recombinant hyperproducer strains. This study is aimed to unveil the biosurfactant metabolic pathway and chemical composition in Bacillus safensis strain CCMA-560. The whole genome of the CCMA 560 strain was previously sequenced, and with the aid of bioinformatics tools, its biosurfactant metabolic pathway was compared to other pathways of closely related species. Fourier transform infrared (FTIR) and highresolution TOF mass spectrometry (MS) were used to characterize the biosurfactant molecule. B. safensis CCMA-560 metabolic pathway is similar to other Bacillus species; however, some differences in amino acid incorporation were observed, and chemical analyses corroborated the genetic results. The strain CCMA-560 harbours two genes flanked by srfAC and srfAD not present in other Bacillus spp., which can be involved in the production of the analogue gramicidin. FTIR and MS showed that B. safensis CCMA-560 produces a mixture of at least four lipopeptides with seven amino acids incorporated and a fatty acid chain with 14 carbons, which makes this molecule similar to t... Mostrar Tudo |
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Palavras-Chave: |
Bacillus safensis; Chemical characterizion; Metabolic pathway; Pumilacidin; Surfactant. |
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Thesagro: |
Bacilo. |
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Thesaurus NAL: |
Biosurfactants. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02693naa a2200313 a 4500
001 2030948
005 2016-01-25
008 2015 bl uuuu u00u1 u #d
100 1 $aDOMINGOS, D. F.
245 $aGenomic and chemical insights into biosurfactant production by the mangrove-derived strain Bacillus safensis CCMA-560.$h[electronic resource]
260 $c2015
520 $aAbstract: Many Bacillus species can produce biosurfactant, although most of the studies on lipopeptide production by this genus have been focused on Bacillus subtilis. Surfactants are broadly used in pharmaceutical, food and petroleum industry, and biological surfactant shows some advantages over the chemical surfactants, such as less toxicity, production from renewable, cheaper feedstocks and development of novel recombinant hyperproducer strains. This study is aimed to unveil the biosurfactant metabolic pathway and chemical composition in Bacillus safensis strain CCMA-560. The whole genome of the CCMA 560 strain was previously sequenced, and with the aid of bioinformatics tools, its biosurfactant metabolic pathway was compared to other pathways of closely related species. Fourier transform infrared (FTIR) and highresolution TOF mass spectrometry (MS) were used to characterize the biosurfactant molecule. B. safensis CCMA-560 metabolic pathway is similar to other Bacillus species; however, some differences in amino acid incorporation were observed, and chemical analyses corroborated the genetic results. The strain CCMA-560 harbours two genes flanked by srfAC and srfAD not present in other Bacillus spp., which can be involved in the production of the analogue gramicidin. FTIR and MS showed that B. safensis CCMA-560 produces a mixture of at least four lipopeptides with seven amino acids incorporated and a fatty acid chain with 14 carbons, which makes this molecule similar to the biosurfactant of Bacillus pumilus, namely, pumilacidin. This is the first report on the biosurfactant production by B. safensis, encompassing the investigation of the metabolic pathway and chemical characterization of the biosurfactant molecule.
650 $aBiosurfactants
650 $aBacilo
653 $aBacillus safensis
653 $aChemical characterizion
653 $aMetabolic pathway
653 $aPumilacidin
653 $aSurfactant
700 1 $aFARIA, A. F. de
700 1 $aGALAVERNA, R. S.
700 1 $aEBERLIN, M. N.
700 1 $aGREENFIELD, P.
700 1 $aZUCCHI, T. D.
700 1 $aMELO, I. S. de
700 1 $aTRAN-DINH, N.
700 1 $aMIDGLEY, D.
700 1 $aOLIVEIRA, V. M.
773 $tApplied Microbiology and Biotechnology, Heidelberg$gv. 99, n. 7, p. 3155-3167, 2015.
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