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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agricultura Digital. Para informações adicionais entre em contato com cnptia.biblioteca@embrapa.br. |
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
07/02/2019 |
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Data da última atualização: |
07/01/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORO, C. F.; GASPAR, M.; SILVA, F. R. da; PATTATHIL, S.; HAHN, M. G.; SALGADO, I.; BRAGA, M. R. |
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Afiliação: |
CAMILA FERNANDES MORO, Unicamp; MARILIA GASPAR, Instituto de Botânica, São Paulo; FELIPE RODRIGUES DA SILVA, CNPTIA; SIVAKUMAR PATTATHIL, University of Georgia; MICHAEL G. HAHN, University of Georgia; IONE SALGADO, Instituto de Botânica, IB/Unicamp; MARCIA REGINA BRAGA, Instituto de Botânica. |
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Título: |
S-nitrosoglutathione promotes cell wall remodelling, alters the transcriptional profile and induces root hair formation in the hairless root hair defective 6 (rhd6) mutant of Arabidopsis thaliana. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
New Phytologist, v. 213, n. 4, p. 1771-1786, Mar. 2017. |
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DOI: |
10.1111/nph.14309 |
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Idioma: |
Inglês |
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Conteúdo: |
Nitric oxide (NO) exerts pleiotropic effects on plant development; however, its involvement in cell wall modification during root hair formation (RHF) has not yet been addressed. Here, mutants of Arabidopsis thaliana with altered root hair phenotypes were used to assess the involvement of S-nitrosoglutathione (GSNO), the primary NO source, in cell wall dynamics and gene expression in roots induced to form hairs. GSNO and auxin restored the root hair phenotype of the hairless root hair defective 6 (rhd6) mutant. A positive correlation was observed between increased NO production and RHF induced by auxin in rhd6 and transparent testa glabra (ttg) mutants. Deposition of an epitope within rhamnogalacturonan-I recognized by the CCRC-M2 antibody was delayed in root hair cells (trichoblasts) compared with nonhair cells (atrichoblasts). GSNO, but not auxin, restored the wild-type root glycome and transcriptome profiles in rhd6, modulating the expression of a large number of genes related to cell wall composition and metabolism, as well as those encoding ribosomal proteins, DNA and histone-modifying enzymes and proteins involved in post-translational modification. Our results demonstrate that NO plays a key role in cell wall remodelling in trichoblasts and suggest that it also participates in chromatin modification in root cells of A. thaliana. |
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Palavras-Chave: |
Cell wall; Glycome profile; Óxido nítrico; Parede celular; Perfil de glicoma; Root hair; S-nitrosoglutathione; Transcriptoma. |
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Thesaurus Nal: |
Arabidopsis thaliana; Nitric oxide; Transcriptome. |
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Categoria do assunto: |
-- |
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Marc: |
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001 2105700
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008 2017 bl uuuu u00u1 u #d
024 7 $a10.1111/nph.14309$2DOI
100 1 $aMORO, C. F.
245 $aS-nitrosoglutathione promotes cell wall remodelling, alters the transcriptional profile and induces root hair formation in the hairless root hair defective 6 (rhd6) mutant of Arabidopsis thaliana.$h[electronic resource]
260 $c2017
520 $aNitric oxide (NO) exerts pleiotropic effects on plant development; however, its involvement in cell wall modification during root hair formation (RHF) has not yet been addressed. Here, mutants of Arabidopsis thaliana with altered root hair phenotypes were used to assess the involvement of S-nitrosoglutathione (GSNO), the primary NO source, in cell wall dynamics and gene expression in roots induced to form hairs. GSNO and auxin restored the root hair phenotype of the hairless root hair defective 6 (rhd6) mutant. A positive correlation was observed between increased NO production and RHF induced by auxin in rhd6 and transparent testa glabra (ttg) mutants. Deposition of an epitope within rhamnogalacturonan-I recognized by the CCRC-M2 antibody was delayed in root hair cells (trichoblasts) compared with nonhair cells (atrichoblasts). GSNO, but not auxin, restored the wild-type root glycome and transcriptome profiles in rhd6, modulating the expression of a large number of genes related to cell wall composition and metabolism, as well as those encoding ribosomal proteins, DNA and histone-modifying enzymes and proteins involved in post-translational modification. Our results demonstrate that NO plays a key role in cell wall remodelling in trichoblasts and suggest that it also participates in chromatin modification in root cells of A. thaliana.
650 $aArabidopsis thaliana
650 $aNitric oxide
650 $aTranscriptome
653 $aCell wall
653 $aGlycome profile
653 $aÓxido nítrico
653 $aParede celular
653 $aPerfil de glicoma
653 $aRoot hair
653 $aS-nitrosoglutathione
653 $aTranscriptoma
700 1 $aGASPAR, M.
700 1 $aSILVA, F. R. da
700 1 $aPATTATHIL, S.
700 1 $aHAHN, M. G.
700 1 $aSALGADO, I.
700 1 $aBRAGA, M. R.
773 $tNew Phytologist$gv. 213, n. 4, p. 1771-1786, Mar. 2017.
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| 4. |  | MORO, C. F.; GASPAR, M.; SILVA, F. R. da; PATTATHIL, S.; HAHN, M. G.; SALGADO, I.; BRAGA, M. R. S-nitrosoglutathione promotes cell wall remodelling, alters the transcriptional profile and induces root hair formation in the hairless root hair defective 6 (rhd6) mutant of Arabidopsis thaliana. New Phytologist, v. 213, n. 4, p. 1771-1786, Mar. 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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