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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
29/06/2023 |
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Data da última atualização: |
29/06/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUSA, A. R. DE O.; RIBAS, R. F.; COELHO FILHO, M. A.; FRESCHI, L.; FERREIRA, C. F.; SOARES FILHO, W. dos S.; PÉREZ-MOLINA, J. P.; GESTEIRA, A. da S. |
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Afiliação: |
ANDRESSA RODRIGUES DE OLIVEIRA SOUSA, UNIVERSIDADE ESTADUAL DE SANTA CRUZ; ROGÉRIO FERREIRA RIBAS, UNIVERSIDADE FEDERAL DO RECÔNNCAVO DA BAHIA; MAURICIO ANTONIO COELHO FILHO, CNPMF; LUCIANO FRESCHI, UNIVERSIDADE DE SÃO PAULO; CLAUDIA FORTES FERREIRA, CNPMF; WALTER DOS SANTOS SOARES FILHO, CNPMF; JUNIOR PASTOR PÉREZ-MOLINA, UNIVERSIDAD NACIONAL; ABELMON DA SILVA GESTEIRA, CNPMF. |
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Título: |
Drought tolerance memory transmission by citrus buds. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Plant Science, v.320, 111292, 2022. |
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Idioma: |
Inglês |
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Conteúdo: |
Plants face recurrent drought events, and previous stresses can influence their responses to subsequent stress episodes. Studies on drought stress memory are recent in citriculture, although they show promise as a tool for crop improvement. Here, we investigated whether stress memory mechanisms can be detected in citrus plants grafted with buds from plants subjected to recurrent water deficit. Three rootstock varieties, namely 'Rangpur Santa Cruz' lime, 'Sunki Maravilha' mandarin and 'Sunki Tropical' mandarin, in combination with 'Valencia' orange, were either maintained under full irrigation or subjected to one, two, or three water deficit cycles. Buds from 'Valencia' orange were grafted onto 'Swingle' citrumelo rootstocks and were evaluated. This combination displayed improved physiological and biochemical performance under water limitation, especially 'Valencia' buds grafted onto 'Sunki Maravilha', with better photosynthetic performance under water deficit. These findings indicate that genotype-dependent epigenetic memory is a key factor in restoring citrus plants' capacity to rely on previous stress experiences to restore better photosynthetic and physiological responses when undergoing new water deficit events. Therefore, epigenetic marks can be stored and transmitted to new citrus plants and are a promising alternative to enable increased water deficit tolerance when plants are then challenged by drought-prone environments. |
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Thesagro: |
Fruta Cítrica. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02061naa a2200217 a 4500
001 2154689
005 2023-06-29
008 2022 bl uuuu u00u1 u #d
100 1 $aSOUSA, A. R. DE O.
245 $aDrought tolerance memory transmission by citrus buds.$h[electronic resource]
260 $c2022
520 $aPlants face recurrent drought events, and previous stresses can influence their responses to subsequent stress episodes. Studies on drought stress memory are recent in citriculture, although they show promise as a tool for crop improvement. Here, we investigated whether stress memory mechanisms can be detected in citrus plants grafted with buds from plants subjected to recurrent water deficit. Three rootstock varieties, namely 'Rangpur Santa Cruz' lime, 'Sunki Maravilha' mandarin and 'Sunki Tropical' mandarin, in combination with 'Valencia' orange, were either maintained under full irrigation or subjected to one, two, or three water deficit cycles. Buds from 'Valencia' orange were grafted onto 'Swingle' citrumelo rootstocks and were evaluated. This combination displayed improved physiological and biochemical performance under water limitation, especially 'Valencia' buds grafted onto 'Sunki Maravilha', with better photosynthetic performance under water deficit. These findings indicate that genotype-dependent epigenetic memory is a key factor in restoring citrus plants' capacity to rely on previous stress experiences to restore better photosynthetic and physiological responses when undergoing new water deficit events. Therefore, epigenetic marks can be stored and transmitted to new citrus plants and are a promising alternative to enable increased water deficit tolerance when plants are then challenged by drought-prone environments.
650 $aFruta Cítrica
700 1 $aRIBAS, R. F.
700 1 $aCOELHO FILHO, M. A.
700 1 $aFRESCHI, L.
700 1 $aFERREIRA, C. F.
700 1 $aSOARES FILHO, W. dos S.
700 1 $aPÉREZ-MOLINA, J. P.
700 1 $aGESTEIRA, A. da S.
773 $tPlant Science$gv.320, 111292, 2022.
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| 1. |  | VIANA, E. S.; CAMPOS, M. E. M.; PONCE, A. R.; MANTOVANI, H. C.; VANETTI, M. C. D. Detecção de moléculas sinalizadoras de quorum sensing em biofilmes formados por Hafnia alvei isoladas de leite. In: SIMPÓSIO MINEIRO DE MICROBIOLOGIA DE ALIMENTOS, 3.; FÓRUM DE DEBATES SOBRE VIGILÂNCIA SANITÁRIA, 3., 2008, Viçosa, MG. Qualidade, segurança alimentar e sustentabilidade: quando? onde? como? por que?: anais. Viçosa, MG: sbCTA, 2008.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
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