Cinnamic acid increases lignin production and inhibits soybean root growth.

Cinnamic acid is a known allelochemical that affects seed germination and plant root growth and therefore influences several metabolic processes. In the present work, we evaluated its effects on growth, indole-3-acetic acid (IAA) oxidase and cinnamate 4-hydroxylase (C4H) activities and lignin monome...

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Autores principales:	Victor Hugo Salvador, Rogério Barbosa Lima, Wanderley Dantas dos Santos, Anderson Ricardo Soares, Paulo Alfredo Feitoza Böhm, Rogério Marchiosi, Maria de Lourdes Lucio Ferrarese, Osvaldo Ferrarese-Filho
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/47ee3d81c01144e4abe536e94c7fd162
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spelling	oai:doaj.org-article:47ee3d81c01144e4abe536e94c7fd1622021-11-18T09:02:47ZCinnamic acid increases lignin production and inhibits soybean root growth.1932-620310.1371/journal.pone.0069105https://doaj.org/article/47ee3d81c01144e4abe536e94c7fd1622013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23922685/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Cinnamic acid is a known allelochemical that affects seed germination and plant root growth and therefore influences several metabolic processes. In the present work, we evaluated its effects on growth, indole-3-acetic acid (IAA) oxidase and cinnamate 4-hydroxylase (C4H) activities and lignin monomer composition in soybean (Glycine max) roots. The results revealed that exogenously applied cinnamic acid inhibited root growth and increased IAA oxidase and C4H activities. The allelochemical increased the total lignin content, thus altering the sum and ratios of the p-hydroxyphenyl (H), guaiacyl (G), and syringyl (S) lignin monomers. When applied alone or with cinnamic acid, piperonylic acid (PIP, a quasi-irreversible inhibitor of C4H) reduced C4H activity, lignin and the H, G, S monomer content compared to the cinnamic acid treatment. Taken together, these results indicate that exogenously applied cinnamic acid can be channeled into the phenylpropanoid pathway via the C4H reaction, resulting in an increase in H lignin. In conjunction with enhanced IAA oxidase activity, these metabolic responses lead to the stiffening of the cell wall and are followed by a reduction in soybean root growth.Victor Hugo SalvadorRogério Barbosa LimaWanderley Dantas dos SantosAnderson Ricardo SoaresPaulo Alfredo Feitoza BöhmRogério MarchiosiMaria de Lourdes Lucio FerrareseOsvaldo Ferrarese-FilhoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 7, p e69105 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Victor Hugo Salvador Rogério Barbosa Lima Wanderley Dantas dos Santos Anderson Ricardo Soares Paulo Alfredo Feitoza Böhm Rogério Marchiosi Maria de Lourdes Lucio Ferrarese Osvaldo Ferrarese-Filho Cinnamic acid increases lignin production and inhibits soybean root growth.
description	Cinnamic acid is a known allelochemical that affects seed germination and plant root growth and therefore influences several metabolic processes. In the present work, we evaluated its effects on growth, indole-3-acetic acid (IAA) oxidase and cinnamate 4-hydroxylase (C4H) activities and lignin monomer composition in soybean (Glycine max) roots. The results revealed that exogenously applied cinnamic acid inhibited root growth and increased IAA oxidase and C4H activities. The allelochemical increased the total lignin content, thus altering the sum and ratios of the p-hydroxyphenyl (H), guaiacyl (G), and syringyl (S) lignin monomers. When applied alone or with cinnamic acid, piperonylic acid (PIP, a quasi-irreversible inhibitor of C4H) reduced C4H activity, lignin and the H, G, S monomer content compared to the cinnamic acid treatment. Taken together, these results indicate that exogenously applied cinnamic acid can be channeled into the phenylpropanoid pathway via the C4H reaction, resulting in an increase in H lignin. In conjunction with enhanced IAA oxidase activity, these metabolic responses lead to the stiffening of the cell wall and are followed by a reduction in soybean root growth.
format	article
author	Victor Hugo Salvador Rogério Barbosa Lima Wanderley Dantas dos Santos Anderson Ricardo Soares Paulo Alfredo Feitoza Böhm Rogério Marchiosi Maria de Lourdes Lucio Ferrarese Osvaldo Ferrarese-Filho
author_facet	Victor Hugo Salvador Rogério Barbosa Lima Wanderley Dantas dos Santos Anderson Ricardo Soares Paulo Alfredo Feitoza Böhm Rogério Marchiosi Maria de Lourdes Lucio Ferrarese Osvaldo Ferrarese-Filho
author_sort	Victor Hugo Salvador
title	Cinnamic acid increases lignin production and inhibits soybean root growth.
title_short	Cinnamic acid increases lignin production and inhibits soybean root growth.
title_full	Cinnamic acid increases lignin production and inhibits soybean root growth.
title_fullStr	Cinnamic acid increases lignin production and inhibits soybean root growth.
title_full_unstemmed	Cinnamic acid increases lignin production and inhibits soybean root growth.
title_sort	cinnamic acid increases lignin production and inhibits soybean root growth.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/47ee3d81c01144e4abe536e94c7fd162
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Cinnamic acid increases lignin production and inhibits soybean root growth.

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