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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
28/04/2023 |
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Data da última atualização: |
28/04/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GIORDANO, D. F.; PASTOR, N.; ROUWS, L. F. M.; FREITAS, K. M. de; DEL CANTO, I.; ERAZO, J.; COELHO, I. S.; ODDINO, C. M.; TORRES, A. |
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Afiliação: |
Universidad Nacional Rio Cuarto; Universidad Nacional Rio Cuarto; LUC FELICIANUS MARIE ROUWS, CNPAB; KARINE MOURA DE FREITAS, CNPAB; University of Valencia; Universidad Nacional Rio Cuarto; UFRRJ; Universidad Nacional Rio Cuarto; Universidad Nacional Rio Cuarto. |
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Título: |
Trichoderma harzianum ITEM 3636 colonizes peanut roots as an endophyte and protects the plants against late leaf spot |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Symbiosis, v. 89, p. 337-352, 2023. |
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ISSN: |
0334-5114 |
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Idioma: |
Inglês |
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Conteúdo: |
Trichoderma harzianum ITEM 3636 has been tested against different soil-borne peanut diseases, applied as a seed treatment. The strain protected mature peanut plants suggesting a long lasting protection, and was isolated from plant roots several months after the sowing in field assays. We hypothesized that T. harzianum ITEM 3636 colonizes peanut roots as an endophyte as was demonstrated with other few strains, and in this interaction, the fungi reside in plant roots and can protect the plant against a foliar disease. The spreadability of conidia on the surface of peanut seeds and the mycelial growth inside root tissues were studied through scanning electron microscopy (SEM) and confocal laser scanning microscopy (CLSM), respectively. Conidia from ITEM 3636 had an appropriate distribution on coated seed surfaces. Furthermore, the fungal mycelium colonized root surfaces forming appressorium-like structures and swollen cells. The overlay of green and red confocal images clearly showed fungal hyphae grew internally through epidermal and cortical cells. Once inside the root, T. harzianum ITEM 3636 increased the levels of jasmonic acid in roots but not of salicylic acid. Also, the effect of seed treatment in peanut plant defense against Nothopassalora personata was evaluated under greenhouse conditions. ITEM 3636 significantly decreased the number of affected leaflets, late leaf spot (LLS) incidence and severity, and induced higher levels of defense related enzymes in leaflets after challenge with the pathogen. No direct activation of JA or SA pathways was observed in the leaves of Trichoderma-induced peanuts plants. T. harzianum decreased the concentration of ABA, which may reflect that the strain might improve defense mechanisms of the plant, through ABA content. MenosTrichoderma harzianum ITEM 3636 has been tested against different soil-borne peanut diseases, applied as a seed treatment. The strain protected mature peanut plants suggesting a long lasting protection, and was isolated from plant roots several months after the sowing in field assays. We hypothesized that T. harzianum ITEM 3636 colonizes peanut roots as an endophyte as was demonstrated with other few strains, and in this interaction, the fungi reside in plant roots and can protect the plant against a foliar disease. The spreadability of conidia on the surface of peanut seeds and the mycelial growth inside root tissues were studied through scanning electron microscopy (SEM) and confocal laser scanning microscopy (CLSM), respectively. Conidia from ITEM 3636 had an appropriate distribution on coated seed surfaces. Furthermore, the fungal mycelium colonized root surfaces forming appressorium-like structures and swollen cells. The overlay of green and red confocal images clearly showed fungal hyphae grew internally through epidermal and cortical cells. Once inside the root, T. harzianum ITEM 3636 increased the levels of jasmonic acid in roots but not of salicylic acid. Also, the effect of seed treatment in peanut plant defense against Nothopassalora personata was evaluated under greenhouse conditions. ITEM 3636 significantly decreased the number of affected leaflets, late leaf spot (LLS) incidence and severity, and induced higher levels of defense related enzymes in leaflets afte... Mostrar Tudo |
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Palavras-Chave: |
Biocontrol; Endophyte; Nothopassalora personata; Plant defense induction; Plant deseases treatment. |
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Thesaurus Nal: |
Peanuts. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02650naa a2200301 a 4500
001 2153429
005 2023-04-28
008 2023 bl uuuu u00u1 u #d
022 $a0334-5114
100 1 $aGIORDANO, D. F.
245 $aTrichoderma harzianum ITEM 3636 colonizes peanut roots as an endophyte and protects the plants against late leaf spot$h[electronic resource]
260 $c2023
520 $aTrichoderma harzianum ITEM 3636 has been tested against different soil-borne peanut diseases, applied as a seed treatment. The strain protected mature peanut plants suggesting a long lasting protection, and was isolated from plant roots several months after the sowing in field assays. We hypothesized that T. harzianum ITEM 3636 colonizes peanut roots as an endophyte as was demonstrated with other few strains, and in this interaction, the fungi reside in plant roots and can protect the plant against a foliar disease. The spreadability of conidia on the surface of peanut seeds and the mycelial growth inside root tissues were studied through scanning electron microscopy (SEM) and confocal laser scanning microscopy (CLSM), respectively. Conidia from ITEM 3636 had an appropriate distribution on coated seed surfaces. Furthermore, the fungal mycelium colonized root surfaces forming appressorium-like structures and swollen cells. The overlay of green and red confocal images clearly showed fungal hyphae grew internally through epidermal and cortical cells. Once inside the root, T. harzianum ITEM 3636 increased the levels of jasmonic acid in roots but not of salicylic acid. Also, the effect of seed treatment in peanut plant defense against Nothopassalora personata was evaluated under greenhouse conditions. ITEM 3636 significantly decreased the number of affected leaflets, late leaf spot (LLS) incidence and severity, and induced higher levels of defense related enzymes in leaflets after challenge with the pathogen. No direct activation of JA or SA pathways was observed in the leaves of Trichoderma-induced peanuts plants. T. harzianum decreased the concentration of ABA, which may reflect that the strain might improve defense mechanisms of the plant, through ABA content.
650 $aPeanuts
653 $aBiocontrol
653 $aEndophyte
653 $aNothopassalora personata
653 $aPlant defense induction
653 $aPlant deseases treatment
700 1 $aPASTOR, N.
700 1 $aROUWS, L. F. M.
700 1 $aFREITAS, K. M. de
700 1 $aDEL CANTO, I.
700 1 $aERAZO, J.
700 1 $aCOELHO, I. S.
700 1 $aODDINO, C. M.
700 1 $aTORRES, A.
773 $tSymbiosis$gv. 89, p. 337-352, 2023.
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Embrapa Agrobiologia (CNPAB) |
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Registro Completo
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
14/09/2021 |
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Data da última atualização: |
02/02/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 3 |
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Autoria: |
PRICKETT, A. R.; MONTIBUS, B.; BARKAS, N.; AMANTE, S. M.; FRANCO, M. M.; COWLEY, M.; PUSZYK, W.; SHANNON, M. F.; IRVING, M. D.; MADON-SIMON, M.; WARD, A.; SCHULZ, R.; BALDWIN, H. S.; OAKEY, R. J. |
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Afiliação: |
ADAM R. PRICKETT, King's College London, United Kingdom; BERTILLE MONTIBUS, King's College London, United Kingdom; NIKOLAOS BARKAS, King's College London, United Kingdom; SAMUELE M. AMANTE, King's College London, United Kingdom; MAURICIO MACHAIM FRANCO, Cenargen; MICHAEL COWLEY, King's College London, United Kingdom; WILLIAM PUSZYK, King's College London,United Kingdom; MATTHEW F. SHANNON, King's College London, United Kingdom; MELITA D. IRVING, King's College London, United Kingdom; MARTA MADON-SIMON, University of Bath, United Kingdom; ANDREW WARD, University of Bath, United Kingdom; REINER SCHULZ, King's College London, United Kingdom; H. SCOTT BALDWIN, Vanderbilt University Medical Center, United States; REBECCA J. OAKEY, King's College London, United Kingdom. |
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Título: |
Imprinted gene expression and function of the dopa decarboxylase gene in the developing heart. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Frontiers in Cell and Developmental Biology, v. 9, article 676543, 2021. |
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DOI: |
https://doi.org/10.3389/fcell.2021.676543 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Dopa decarboxylase; Human; Imprinting; Knock-out; Mouse. |
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Thesaurus NAL: |
Heart. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00990naa a2200349 a 4500
001 2134316
005 2022-02-02
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.3389/fcell.2021.676543$2DOI
100 1 $aPRICKETT, A. R.
245 $aImprinted gene expression and function of the dopa decarboxylase gene in the developing heart.$h[electronic resource]
260 $c2021
650 $aHeart
653 $aDopa decarboxylase
653 $aHuman
653 $aImprinting
653 $aKnock-out
653 $aMouse
700 1 $aMONTIBUS, B.
700 1 $aBARKAS, N.
700 1 $aAMANTE, S. M.
700 1 $aFRANCO, M. M.
700 1 $aCOWLEY, M.
700 1 $aPUSZYK, W.
700 1 $aSHANNON, M. F.
700 1 $aIRVING, M. D.
700 1 $aMADON-SIMON, M.
700 1 $aWARD, A.
700 1 $aSCHULZ, R.
700 1 $aBALDWIN, H. S.
700 1 $aOAKEY, R. J.
773 $tFrontiers in Cell and Developmental Biology$gv. 9, article 676543, 2021.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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