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Registro Completo |
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
15/09/2014 |
Data da última atualização: |
13/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
REIS, R. R.; DIAS, B. B. A.; MARTINS, P. K.; MARTINS, M. T. B.; ALEKCEVETCH, J. C.; JÚNIOR, A. C.; ANDRADE, A. C.; RIBEIRO, A. P.; QIND, F.; MIZOI, J.; SHINOZAKI, K. I.; NAKASHIMA, K.; CARVALHO, J. de F. C.; SOUSA, C. A. F. de; NEPOMUCENO, A. L.; KOBAYASHI, A. K.; MOLINARI, H. B. C. |
Afiliação: |
Rafaela Ribeiro Reis, Universidade Federal de Lavras; BARBARA ANDRADE DIAS BRITO DA CUNHA, CNPAE; Polyana Kelly Martins; Maria Thereza Bazzo Martins; Jean Carlos Alekcevetch, Universidade Federal de Lavras; Antônio Chalfun-Júnior, Universidade Federal de Lavras; ALAN CARVALHO ANDRADE, CENARGEN; Ana Paula Ribeiro, Universidade Federal de Lavras; Feng Qind, Chinese Academy of Sciences; Junya Mizoi, The University of Tokyo; Kazuko Yamaguchi-Shinozaki, The University of Tokyo; Kazuo Nakashima, Chinese Academy of Sciences; Josirley de Fátima Corrêa Carvalho; CARLOS ANTONIO FERREIRA DE SOUSA, CNPAE; ALEXANDRE LIMA NEPOMUCENO, SRI; ADILSON KENJI KOBAYASHI, CNPAE; HUGO BRUNO CORREA MOLINARI, CNPAE. |
Título: |
Induced over-expression of AtDREB2A CA improves drought tolerance in sugarcane. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Plant Science, v. 221-222, p. 59-68, 2014. |
Idioma: |
Inglês |
Conteúdo: |
tDrought is one of the most challenging agricultural issues limiting sustainable sugarcane production and,in some cases, yield losses caused by drought are nearly 50%. DREB proteins play vital regulatory rolesin abiotic stress responses in plants. The transcription factor DREB2A interacts with a cis-acting DREsequence to activate the expression of downstream genes that are involved in drought-, salt- and heat-stress response in Arabidopsis thaliana. In the present study, we evaluated the effects of stress-inducibleover-expression of AtDREB2A CA on gene expression, leaf water potential (L), relative water content(RWC), sucrose content and gas exchanges of sugarcane plants submitted to a four-days water deficittreatment in a rhizotron-grown root system. The plants were also phenotyped by scanning the roots andmeasuring morphological parameters of the shoot. The stress-inducible expression of AtDREB2A CA intransgenic sugarcane led to the up-regulation of genes involved in plant response to drought stress. Thetransgenic plants maintained higher RWC and Lover 4 days after withholding water and had higherphotosynthetic rates until the 3rd day of water-deficit. Induced expression of AtDREB2A CA in sugarcaneincreased sucrose levels and improved bud sprouting of the transgenic plants. Our results indicate thatinduced expression of AtDREB2A CA in sugarcane enhanced its drought tolerance without biomass penalty. |
Palavras-Chave: |
AtDREB2A CA; Saccharum spp; Transcription factor. |
Thesaurus Nal: |
abiotic stress. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02429naa a2200361 a 4500 001 1994907 005 2023-03-13 008 2014 bl uuuu u00u1 u #d 100 1 $aREIS, R. R. 245 $aInduced over-expression of AtDREB2A CA improves drought tolerance in sugarcane.$h[electronic resource] 260 $c2014 520 $atDrought is one of the most challenging agricultural issues limiting sustainable sugarcane production and,in some cases, yield losses caused by drought are nearly 50%. DREB proteins play vital regulatory rolesin abiotic stress responses in plants. The transcription factor DREB2A interacts with a cis-acting DREsequence to activate the expression of downstream genes that are involved in drought-, salt- and heat-stress response in Arabidopsis thaliana. In the present study, we evaluated the effects of stress-inducibleover-expression of AtDREB2A CA on gene expression, leaf water potential (L), relative water content(RWC), sucrose content and gas exchanges of sugarcane plants submitted to a four-days water deficittreatment in a rhizotron-grown root system. The plants were also phenotyped by scanning the roots andmeasuring morphological parameters of the shoot. The stress-inducible expression of AtDREB2A CA intransgenic sugarcane led to the up-regulation of genes involved in plant response to drought stress. Thetransgenic plants maintained higher RWC and Lover 4 days after withholding water and had higherphotosynthetic rates until the 3rd day of water-deficit. Induced expression of AtDREB2A CA in sugarcaneincreased sucrose levels and improved bud sprouting of the transgenic plants. Our results indicate thatinduced expression of AtDREB2A CA in sugarcane enhanced its drought tolerance without biomass penalty. 650 $aabiotic stress 653 $aAtDREB2A CA 653 $aSaccharum spp 653 $aTranscription factor 700 1 $aDIAS, B. B. A. 700 1 $aMARTINS, P. K. 700 1 $aMARTINS, M. T. B. 700 1 $aALEKCEVETCH, J. C. 700 1 $aJÚNIOR, A. C. 700 1 $aANDRADE, A. C. 700 1 $aRIBEIRO, A. P. 700 1 $aQIND, F. 700 1 $aMIZOI, J. 700 1 $aSHINOZAKI, K. I. 700 1 $aNAKASHIMA, K. 700 1 $aCARVALHO, J. de F. C. 700 1 $aSOUSA, C. A. F. de 700 1 $aNEPOMUCENO, A. L. 700 1 $aKOBAYASHI, A. K. 700 1 $aMOLINARI, H. B. C. 773 $tPlant Science$gv. 221-222, p. 59-68, 2014.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
25/01/2019 |
Data da última atualização: |
07/01/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
C - 0 |
Autoria: |
MEDEROS, A. E.; CARRACELAS, B.; MINHO, A. P.; FERNÁNDEZ, S.; SÁNCHEZ, J. |
Afiliação: |
America Mederos, National Institute of Agricultural Research; Beatriz Carracelas, National Institute of Agricultural Research; ALESSANDRO PELEGRINE MINHO, CPPSE; Silvina Fernández, Faculty of Veterinary Sciences; Javier Sánchez, Center of Veterinary Epidemiological Research. |
Título: |
Prevalence and Factors Associated with Anthelmintic Resistance in Gastrointestinal Nematodes of Cattle: A Systematic Review and Meta-analysis. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Journal of Veterinary Medicine and Health, v. 2, n. 2, p. 2-8, 2018. |
Idioma: |
Inglês |
Conteúdo: |
A systematic review and meta-analysis was conducted with the aim to measure the prevalence of anthelmintic resistance (AR) in cattle gastrointestinal nematodes (GIN) and potential management factors associated with development of such resistance. A search algorithm was constructed and a comprehensive search of the primary literature was conducted in: CAB abstracts (1990-2016), Medline (1860-2016), Agricola (1924-2016) and Lilacs (1985-2016). Prevalence estimates were combined through meta-analysis (MA) using the logit prevalence and between-study heterogeneity was quantified. Twenty-nine publications (5 cross-sectional studies; 14 prevalence surveys and 10 field trials) were included in this review. Random effects MA resulted in an overall AR prevalence of 72.0% (95% CI=58.4% to 80.0%). However, a high heterogeneity was observed (I2=55.9%). From studies reporting the nematode genera involved in the AR, Cooperia spp were present in 91.7% of the studies (n=24); Ostertagia sp. in 44.5% (n=22); Haemonchus sp. in 47.8% (n=23); Trichostrongylus sp. in 36.4% (n=22) and Oesophagostomum spp. in 23.8% (n=21). The included cross sectional studies suggested that frequency of treatments, age of cattle and type of management were potential management factors associated with AR in bovine GINs. However, more detailed studies are necessary to fully evaluate management guidelines for implementation of sustainable GIN control strategies. |
Palavras-Chave: |
GIN; Resistência parasitária. |
Thesagro: |
Resistência; Ruminante. |
Thesaurus NAL: |
Animal parasitic nematodes; Gastrointestinal nematodes; Parasites; Ruminants. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/191333/1/PrevalenceFactorsAssociatedAnthelmintic.pdf
|
Marc: |
LEADER 02275naa a2200265 a 4500 001 2104774 005 2020-01-07 008 2018 bl uuuu u00u1 u #d 100 1 $aMEDEROS, A. E. 245 $aPrevalence and Factors Associated with Anthelmintic Resistance in Gastrointestinal Nematodes of Cattle$bA Systematic Review and Meta-analysis.$h[electronic resource] 260 $c2018 520 $aA systematic review and meta-analysis was conducted with the aim to measure the prevalence of anthelmintic resistance (AR) in cattle gastrointestinal nematodes (GIN) and potential management factors associated with development of such resistance. A search algorithm was constructed and a comprehensive search of the primary literature was conducted in: CAB abstracts (1990-2016), Medline (1860-2016), Agricola (1924-2016) and Lilacs (1985-2016). Prevalence estimates were combined through meta-analysis (MA) using the logit prevalence and between-study heterogeneity was quantified. Twenty-nine publications (5 cross-sectional studies; 14 prevalence surveys and 10 field trials) were included in this review. Random effects MA resulted in an overall AR prevalence of 72.0% (95% CI=58.4% to 80.0%). However, a high heterogeneity was observed (I2=55.9%). From studies reporting the nematode genera involved in the AR, Cooperia spp were present in 91.7% of the studies (n=24); Ostertagia sp. in 44.5% (n=22); Haemonchus sp. in 47.8% (n=23); Trichostrongylus sp. in 36.4% (n=22) and Oesophagostomum spp. in 23.8% (n=21). The included cross sectional studies suggested that frequency of treatments, age of cattle and type of management were potential management factors associated with AR in bovine GINs. However, more detailed studies are necessary to fully evaluate management guidelines for implementation of sustainable GIN control strategies. 650 $aAnimal parasitic nematodes 650 $aGastrointestinal nematodes 650 $aParasites 650 $aRuminants 650 $aResistência 650 $aRuminante 653 $aGIN 653 $aResistência parasitária 700 1 $aCARRACELAS, B. 700 1 $aMINHO, A. P. 700 1 $aFERNÁNDEZ, S. 700 1 $aSÁNCHEZ, J. 773 $tJournal of Veterinary Medicine and Health$gv. 2, n. 2, p. 2-8, 2018.
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