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Registro Completo |
Biblioteca(s): |
Embrapa Suínos e Aves. |
Data corrente: |
18/10/2022 |
Data da última atualização: |
18/10/2022 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
TOCHETTO, C.; JUNQUEIRA, D. M.; ANDERSON, T. K.; GAVA, D.; HAACH, V.; CANTAO, M. E.; VINCENT, A. L.; SCHAEFER, R. |
Afiliação: |
CAROLINE TOCHETTO; DENNIS M. JUNQUEIRA, Centro Universitário Ritter dos Reis; TAVIS K. ANDERSON, National Animal Disease Center, USDA-ARS; DANIELLE GAVA, CNPSA; VANESSA HAACH, Universidade Federal do Rio Grande do Sul; MAURICIO EGIDIO CANTAO, CNPSA; AMY LOUISE VINCENT, National Animal Disease Center, USDA-ARS; REJANE SCHAEFER, CNPSA. |
Título: |
Introductions of pre-2009 human-origin seasonal influenza A viruses in Brazilian swine herds. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
In: INTERNATIONAL PIG VETERINARY SOCIETY CONGRESS, 26., 2022, Rio de Janeiro. Proceedings... Rio de Janeiro, RJ: IPVS: Abraves, 2022. p. 700. |
Idioma: |
Português |
Palavras-Chave: |
H1N1; Vírus da gripe A. |
Thesagro: |
Suíno. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1147409/1/final9868.pdf
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Marc: |
LEADER 00732nam a2200217 a 4500 001 2147409 005 2022-10-18 008 2022 bl uuuu u00u1 u #d 100 1 $aTOCHETTO, C. 245 $aIntroductions of pre-2009 human-origin seasonal influenza A viruses in Brazilian swine herds.$h[electronic resource] 260 $aIn: INTERNATIONAL PIG VETERINARY SOCIETY CONGRESS, 26., 2022, Rio de Janeiro. Proceedings... Rio de Janeiro, RJ: IPVS: Abraves, 2022. p. 700.$c2022 650 $aSuíno 653 $aH1N1 653 $aVírus da gripe A 700 1 $aJUNQUEIRA, D. M. 700 1 $aANDERSON, T. K. 700 1 $aGAVA, D. 700 1 $aHAACH, V. 700 1 $aCANTAO, M. E. 700 1 $aVINCENT, A. L. 700 1 $aSCHAEFER, R.
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Embrapa Suínos e Aves (CNPSA) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
28/11/2011 |
Data da última atualização: |
31/07/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
KASCHUK, G.; YIN, XINYOU; HUNGRIA, M.; LEFFELAAR, P. A.; GILLER, K. E.; KUYPER, T. W. |
Afiliação: |
GLACIELA KASCHUK, Universidade Paranaense, Umuarama.; XINYOU YIN, Centre for Crop Systems Analysis, Wageningen.; MARIANGELA HUNGRIA DA CUNHA, CNPSO; PETER A. LEFFELAAR, Wageningen University; KEN E. GILLER, Wageningen University; THOMAS W. KUYPER, Wageningen University. |
Título: |
Photosynthetic adaptation of soybean due to varying effectiveness of N2 fixation by two distinct Bradyrhizobium japonicum strains. |
Ano de publicação: |
2012 |
Fonte/Imprenta: |
Environmental and Experimental Botany, Wageningen, v. 76, p. 1-6, Feb. 2012. |
ISSN: |
0098-8472 |
DOI: |
10.1016/j.envexpbot.2011.10.002 |
Idioma: |
Inglês |
Conteúdo: |
Rhizobial N2 fixation is a costly biochemical process, which takes 6?14% of current photosynthate (C) from legumes, without compromising grain productivity. In addition to the effects of leaf N nutrition, rhizobial symbiosis could stimulate photosynthesis due to the removal of C sink limitation by nodule activity. To test that hypothesis, we compared the photosynthetic capacity of soybean plants inoculated with two different strains of Bradyrhizobium japonicum (CPAC 390 or CPAC 7), varying in the effectiveness to fix N2, with plants fertilized with NO3?. Nodulated plants had 14?31% higher rates of photosynthesis and accumulated less starch in the leaves than N-fertilized plants. There was evidence that B. japonicum CPAC 390 had higher carbon costs of N2 fixation compared with CPAC 7, but the increases in carbon costs were accompanied by higher rates of photosynthesis. By applying a biochemical model of leaf photosynthesis, including the limitations of Rubisco activity (VCmax ), electron transport rates (J) and triose-P utilization (TPU), we show that soybean plants adapt their photosynthetic capacity to support the stronger carbon sink created by faster rates of N2 fixation. We observed that plants associated with CPAC 7 (of low effectiveness to fix N2) increased their photosynthesis by removing sink limitation solely (with a constant VCmax ) whereas plants associated with CPAC 390 (of high effectiveness to fix N2) increased their photosynthesis by sink stimulation. Based on the model, we propose that sink stimulation is governed by a positive feedback between TPU and Rubisco activation, resulting in an increased VCmax . MenosRhizobial N2 fixation is a costly biochemical process, which takes 6?14% of current photosynthate (C) from legumes, without compromising grain productivity. In addition to the effects of leaf N nutrition, rhizobial symbiosis could stimulate photosynthesis due to the removal of C sink limitation by nodule activity. To test that hypothesis, we compared the photosynthetic capacity of soybean plants inoculated with two different strains of Bradyrhizobium japonicum (CPAC 390 or CPAC 7), varying in the effectiveness to fix N2, with plants fertilized with NO3?. Nodulated plants had 14?31% higher rates of photosynthesis and accumulated less starch in the leaves than N-fertilized plants. There was evidence that B. japonicum CPAC 390 had higher carbon costs of N2 fixation compared with CPAC 7, but the increases in carbon costs were accompanied by higher rates of photosynthesis. By applying a biochemical model of leaf photosynthesis, including the limitations of Rubisco activity (VCmax ), electron transport rates (J) and triose-P utilization (TPU), we show that soybean plants adapt their photosynthetic capacity to support the stronger carbon sink created by faster rates of N2 fixation. We observed that plants associated with CPAC 7 (of low effectiveness to fix N2) increased their photosynthesis by removing sink limitation solely (with a constant VCmax ) whereas plants associated with CPAC 390 (of high effectiveness to fix N2) increased their photosynthesis by sink stimulation. Based on... Mostrar Tudo |
Thesagro: |
Fixação de nitrogênio; Soja. |
Thesaurus NAL: |
Nitrogen fixation; Soybeans. |
Categoria do assunto: |
S Ciências Biológicas |
Marc: |
LEADER 02425naa a2200253 a 4500 001 1907420 005 2017-07-31 008 2012 bl uuuu u00u1 u #d 022 $a0098-8472 024 7 $a10.1016/j.envexpbot.2011.10.002$2DOI 100 1 $aKASCHUK, G. 245 $aPhotosynthetic adaptation of soybean due to varying effectiveness of N2 fixation by two distinct Bradyrhizobium japonicum strains. 260 $c2012 520 $aRhizobial N2 fixation is a costly biochemical process, which takes 6?14% of current photosynthate (C) from legumes, without compromising grain productivity. In addition to the effects of leaf N nutrition, rhizobial symbiosis could stimulate photosynthesis due to the removal of C sink limitation by nodule activity. To test that hypothesis, we compared the photosynthetic capacity of soybean plants inoculated with two different strains of Bradyrhizobium japonicum (CPAC 390 or CPAC 7), varying in the effectiveness to fix N2, with plants fertilized with NO3?. Nodulated plants had 14?31% higher rates of photosynthesis and accumulated less starch in the leaves than N-fertilized plants. There was evidence that B. japonicum CPAC 390 had higher carbon costs of N2 fixation compared with CPAC 7, but the increases in carbon costs were accompanied by higher rates of photosynthesis. By applying a biochemical model of leaf photosynthesis, including the limitations of Rubisco activity (VCmax ), electron transport rates (J) and triose-P utilization (TPU), we show that soybean plants adapt their photosynthetic capacity to support the stronger carbon sink created by faster rates of N2 fixation. We observed that plants associated with CPAC 7 (of low effectiveness to fix N2) increased their photosynthesis by removing sink limitation solely (with a constant VCmax ) whereas plants associated with CPAC 390 (of high effectiveness to fix N2) increased their photosynthesis by sink stimulation. Based on the model, we propose that sink stimulation is governed by a positive feedback between TPU and Rubisco activation, resulting in an increased VCmax . 650 $aNitrogen fixation 650 $aSoybeans 650 $aFixação de nitrogênio 650 $aSoja 700 1 $aYIN, XINYOU 700 1 $aHUNGRIA, M. 700 1 $aLEFFELAAR, P. A. 700 1 $aGILLER, K. E. 700 1 $aKUYPER, T. W. 773 $tEnvironmental and Experimental Botany, Wageningen$gv. 76, p. 1-6, Feb. 2012.
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