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| Registros recuperados : 97 | |
| 6. |  | AIDAR, S. de T.; CHAVES, A. R. de M.; MORGANTE, C. V.; FERNANDES JUNIOR, P. I. Ecofisiologia de plantas nativas da Caatinga na Embrapa Semiárido. In: SOTTA, E. D.; SAMPAIO, F. G.; MARZALL, K.; SILVA, W. G. da (Org.). Estratégias de adaptação às mudanças do clima dos sistemas agropecuários brasileiros. Brasília, DF: MAPA, 2021. p. 120-121.| Biblioteca(s): Embrapa Semiárido. |
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| 9. | | SUSSEL, A. A. B.; LIMA, H. C. de; COSTA, A. M.; AIDAR, S. de T. Levantamento e incidência de doenças do maracujazeiro da Caatinga, cultivar BRS Sertão Forte, cultivado no Cerrado do Brasil central. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 25.; REUNIÃO ANUAL DA SOCIEDADE INTERAMERICANA DE HORTICULTURA TROPICAL, 63., 2017, Porto Seguro. Grandes desafios, ciência e conhecimento para inovação. Porto Seguro: SBF: ISTH: SBFPO: ABH, 2017.| Biblioteca(s): Embrapa Cerrados; Embrapa Semiárido. |
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| 11. | | LIMA, H. C. de; COSTA, A. M.; RINALDI, M. M.; AIDAR, S. de T. Cultivo, aspectos produtivos, rendimento e caracteristicas dos frutos do maracujazeiro da Caatinga, cultivar BRS Sertão Forte no Cerrado do Brasil central. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 25.; REUNIÃO ANUAL DA SOCIEDADE INTERAMERICANA DE HORTICULTURA TROPICAL, 63., 2017, Porto Seguro. Grandes desafios, ciência e conhecimento para inovação. Porto Seguro: SBF: ISTH: SBFPO: ABH, 2017.| Biblioteca(s): Embrapa Cerrados; Embrapa Semiárido. |
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| 14. | | ARAUJO, F. P. de; FALEIRO, F. G.; AIDAR, S. de T.; MELO, N. F. de. Passiflora cincinnata: Maracujá-da-caatinga. In: CORADIN, L.; CAMILLO, J.; PAREYN, F. G. C. (Ed.). Espécies nativas da flora brasileira de valor econômico atual ou potencial: plantas para o futuro: região Nordeste. Brasília, DF: MMA, 2018. Cap.5, p. 217-224 il. color. (Série. Biodiversidade, 51).| Biblioteca(s): Embrapa Semiárido. |
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| 15. | | ARAUJO, F. P. de; KIILL, L. H. P.; MELO, N. F. de; AIDAR, S. de T. Propagação e manejo. In: DRUMOND, M. A.; AIDAR, S. de T.; NASCIMENTO, C. E. de S.; OLIVEIRA, V. R. de (Ed.). Umbuzeiro: avanços e perspectivas. Petrolina: Embrapa Semiárido, 2016. cap. 5, p. 147-175. il.| Biblioteca(s): Embrapa Semiárido. |
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| 16. | | MORGANTE, C. V.; CHAVES, A. R. de M.; MOTA, A. P. Z.; AIDAR, S. de T. Transcriptome analysis of the vegetative desiccation tolerance plant Tripogonella spicata(Nees) P.M.Peterson & Romasch. In: BRAZILIAN BIOTECHNOLOGY CONGRESS, 7.; BIOTECHNOLOGY IBERO-AMERICAN CONGRESS, 2., 2018, Brasília, DF. Proceedings... Brasília, DF: SBBiotec, 2018.| Biblioteca(s): Embrapa Semiárido. |
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| 17. | | BARBOSA, L. G.; SANTOS, R. M.; PINHEIRO, G. S.; ANGELOTTI, F.; AIDAR, S. de T.; SANTOS, C. A. F. Comportamento fisiológico de feijão-caupi sob diferentes concentrações de CO2. In: SIMPÓSIO DE MUDANÇAS CLIMÁTICAS E DESERTIFICAÇÃO NO SEMIÁRIDO BRASILEIRO, 3., 2011, Juazeiro. Experiências para mitigação e adaptação. Petrolina: Embrapa Semiárido, 2011. 1 CD-ROM. (Embrapa Semiárido. Documentos, 239).| Biblioteca(s): Embrapa Semiárido. |
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| 19. | | SANTOS, T. B.; MENEZES, R. F. J.; AIDAR, S. de T.; LOPES, P. R. C.; FREITAS, S. T. de. Índice de clorofilas a e b e área foliar de genótipos de macieira cultivados com e sem sombreamento no Semiárido brasileiro. In: JORNADA DE INTEGRAÇÃO DA PÓS-GRADUAÇÃO DA EMBRAPA SEMIÁRIDO, 3., 2018, Petrolina. Anais... Petrolina: Embrapa Semiárido, 2018. p. 23-28. (Embrapa Semiárido. Documentos, 284).| Biblioteca(s): Embrapa Semiárido. |
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| Registros recuperados : 97 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroenergia; Embrapa Recursos Genéticos e Biotecnologia; Embrapa Semiárido. |
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Data corrente: |
15/12/2023 |
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Data da última atualização: |
12/03/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
AIDAR, S. de T.; CHAVES, A. R. de M.; FERNANDES JUNIOR, P. I.; MORGANTE, C. V. |
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Afiliação: |
SAULO DE TARSO AIDAR, CPATSA; AGNALDO RODRIGUES DE MELO CHAVES, CPATSA; PAULO IVAN FERNANDES JUNIOR, CPATSA; CAROLINA VIANNA MORGANTE, CPATSA / Cenargen. |
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Título: |
Ferns and Lycophytes as new challenges: physiological and biochemical changes in desiccation and rehydration cycles of Selaginella convoluta (Selaginellaceae). |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Rodriguésia, v. 74, e00672023, 2023. |
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DOI: |
http://dx.doi.org/10.1590/2175-7860202374088 |
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Idioma: |
Inglês |
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Conteúdo: |
Vegetative desiccation tolerance (VDT) is a biological process that allows resurrection plants to complete desiccation-rehydration cycles and survive without permanent damage. Physiological and biochemical changes related to the VDT were evaluated in the lycophyte Selaginella convoluta from the Caatinga biome, a seasonally dry tropical forest of northeastern Brazil. As representative of the oldest division of extant vascular plants, the investigation of VDT mechanisms in this species serves as an opportunity to provide information for research communities interested in functional traits related to water-limited conditions. The experiments were performed with plants in their natural habitat, in dry and rainy seasons, and in pots under shade house conditions. Relative water content, chlorophyll a fluorescence, gas exchange, activity of antioxidant enzymes, concentration of chlorophylls, proteins, total amino acids, proline, and soluble carbohydrates in leaf tissues were evaluated throughout the process of complete dehydration and subsequent re-watering of intact plants. The overall results reveal the capacity of S. convoluta to tolerate extreme dehydration and rapidly recover upon rehydration. This species minimizes potential damages during the desiccation-rehydration cycle due to the presence of inductive mechanisms (photochemical preventing, sucrose accumulation) and constitutive mechanisms (antioxidant activity of catalase and ascorbate peroxidase), which share similarities with the VDT of both angiosperms and bryophytes. MenosVegetative desiccation tolerance (VDT) is a biological process that allows resurrection plants to complete desiccation-rehydration cycles and survive without permanent damage. Physiological and biochemical changes related to the VDT were evaluated in the lycophyte Selaginella convoluta from the Caatinga biome, a seasonally dry tropical forest of northeastern Brazil. As representative of the oldest division of extant vascular plants, the investigation of VDT mechanisms in this species serves as an opportunity to provide information for research communities interested in functional traits related to water-limited conditions. The experiments were performed with plants in their natural habitat, in dry and rainy seasons, and in pots under shade house conditions. Relative water content, chlorophyll a fluorescence, gas exchange, activity of antioxidant enzymes, concentration of chlorophylls, proteins, total amino acids, proline, and soluble carbohydrates in leaf tissues were evaluated throughout the process of complete dehydration and subsequent re-watering of intact plants. The overall results reveal the capacity of S. convoluta to tolerate extreme dehydration and rapidly recover upon rehydration. This species minimizes potential damages during the desiccation-rehydration cycle due to the presence of inductive mechanisms (photochemical preventing, sucrose accumulation) and constitutive mechanisms (antioxidant activity of catalase and ascorbate peroxidase), which share similarities... Mostrar Tudo |
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Palavras-Chave: |
Bioma Caatinga; Característica funcional; Características funcionais; Dessecação vegetativa; Estratégia de sobrevivência; Planta de ressurreição; Resistência à desidratação. |
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Thesagro: |
Caatinga; Samambaia. |
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Thesaurus NAL: |
Selaginella. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1159794/1/Ferns-and-Lycophytes-as-new-challenges-physiological-and-biochemical-changes-in-desiccation-and-rehydration-cycles-of-Selaginella-convoluta.pdf
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Marc: |
LEADER 02537naa a2200289 a 4500
001 2159794
005 2024-03-12
008 2023 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1590/2175-7860202374088$2DOI
100 1 $aAIDAR, S. de T.
245 $aFerns and Lycophytes as new challenges$bphysiological and biochemical changes in desiccation and rehydration cycles of Selaginella convoluta (Selaginellaceae).$h[electronic resource]
260 $c2023
520 $aVegetative desiccation tolerance (VDT) is a biological process that allows resurrection plants to complete desiccation-rehydration cycles and survive without permanent damage. Physiological and biochemical changes related to the VDT were evaluated in the lycophyte Selaginella convoluta from the Caatinga biome, a seasonally dry tropical forest of northeastern Brazil. As representative of the oldest division of extant vascular plants, the investigation of VDT mechanisms in this species serves as an opportunity to provide information for research communities interested in functional traits related to water-limited conditions. The experiments were performed with plants in their natural habitat, in dry and rainy seasons, and in pots under shade house conditions. Relative water content, chlorophyll a fluorescence, gas exchange, activity of antioxidant enzymes, concentration of chlorophylls, proteins, total amino acids, proline, and soluble carbohydrates in leaf tissues were evaluated throughout the process of complete dehydration and subsequent re-watering of intact plants. The overall results reveal the capacity of S. convoluta to tolerate extreme dehydration and rapidly recover upon rehydration. This species minimizes potential damages during the desiccation-rehydration cycle due to the presence of inductive mechanisms (photochemical preventing, sucrose accumulation) and constitutive mechanisms (antioxidant activity of catalase and ascorbate peroxidase), which share similarities with the VDT of both angiosperms and bryophytes.
650 $aSelaginella
650 $aCaatinga
650 $aSamambaia
653 $aBioma Caatinga
653 $aCaracterística funcional
653 $aCaracterísticas funcionais
653 $aDessecação vegetativa
653 $aEstratégia de sobrevivência
653 $aPlanta de ressurreição
653 $aResistência à desidratação
700 1 $aCHAVES, A. R. de M.
700 1 $aFERNANDES JUNIOR, P. I.
700 1 $aMORGANTE, C. V.
773 $tRodriguésia$gv. 74, e00672023, 2023.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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