Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food uses

Morphological variation in type IV trichomes in Ss and Ng was studied through SEM. The differences can be related to chemical differences in the excreted sugar esters. Ng trichomes exude two fractions, one of glucose tri-esters and the other one of sucrose tetra-esters, in a 3:7 ratio. The main acid...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Cesio,Verónica, Dutra,Carmelo, Moyna,Patrick, Heinzen,Horacio
Lenguaje:English
Publicado: Pontificia Universidad Católica de Valparaíso 2006
Materias:
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300021
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
id oai:scielo:S0717-34582006000300021
record_format dspace
spelling oai:scielo:S0717-345820060003000212007-01-17Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food usesCesio,VerónicaDutra,CarmeloMoyna,PatrickHeinzen,Horacio antifungic activity interespecies variability mycotoxins sugar esters Morphological variation in type IV trichomes in Ss and Ng was studied through SEM. The differences can be related to chemical differences in the excreted sugar esters. Ng trichomes exude two fractions, one of glucose tri-esters and the other one of sucrose tetra-esters, in a 3:7 ratio. The main acid found forming these esthers, is 3-methylvalerianic acid, in consonance to those secreted by other Solanaceae. Esters from Ss are novel structures, which can also be separated into three fractions, two of arabinoxylans, and the other one of arabinose, all glycosilated with β-hydroxipalmitic acid and sterified with the C12-C16 acids. All five fractions have antifungic activity at μg/cm² concentrations, both against common and mycotoxigenic fungi, such as A. niger, A. flavus, P. chrysogenum y P. expansum. A. flavus does not grow in the presence of the SE of Ss and is not insensible to those from Ng, but these last are more effective in the inhibition of P. expansum, the other mycotoxigenic fungi studied. The differential antifungal activity observed gives the plant protection against a wide spectrum of fungi, resulting in a better adaptation to the environment. Both plants are common weeds, with the potential of contributing to germplams lines in the improvement programmes of crops such as L. esculentum, and their extracts can be used as natural fungicides to protect crops and plantations.info:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.9 n.3 20062006-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300021en
institution Scielo Chile
collection Scielo Chile
language English
topic antifungic activity
interespecies variability
mycotoxins
sugar esters
spellingShingle antifungic activity
interespecies variability
mycotoxins
sugar esters
Cesio,Verónica
Dutra,Carmelo
Moyna,Patrick
Heinzen,Horacio
Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food uses
description Morphological variation in type IV trichomes in Ss and Ng was studied through SEM. The differences can be related to chemical differences in the excreted sugar esters. Ng trichomes exude two fractions, one of glucose tri-esters and the other one of sucrose tetra-esters, in a 3:7 ratio. The main acid found forming these esthers, is 3-methylvalerianic acid, in consonance to those secreted by other Solanaceae. Esters from Ss are novel structures, which can also be separated into three fractions, two of arabinoxylans, and the other one of arabinose, all glycosilated with β-hydroxipalmitic acid and sterified with the C12-C16 acids. All five fractions have antifungic activity at μg/cm² concentrations, both against common and mycotoxigenic fungi, such as A. niger, A. flavus, P. chrysogenum y P. expansum. A. flavus does not grow in the presence of the SE of Ss and is not insensible to those from Ng, but these last are more effective in the inhibition of P. expansum, the other mycotoxigenic fungi studied. The differential antifungal activity observed gives the plant protection against a wide spectrum of fungi, resulting in a better adaptation to the environment. Both plants are common weeds, with the potential of contributing to germplams lines in the improvement programmes of crops such as L. esculentum, and their extracts can be used as natural fungicides to protect crops and plantations.
author Cesio,Verónica
Dutra,Carmelo
Moyna,Patrick
Heinzen,Horacio
author_facet Cesio,Verónica
Dutra,Carmelo
Moyna,Patrick
Heinzen,Horacio
author_sort Cesio,Verónica
title Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food uses
title_short Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food uses
title_full Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food uses
title_fullStr Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food uses
title_full_unstemmed Morphological and chemical diversity in the Type IV glandular trichomes of Solananeae (S. sisymbrifolium and N. glauca) as germplasm resources for agricultural and food uses
title_sort morphological and chemical diversity in the type iv glandular trichomes of solananeae (s. sisymbrifolium and n. glauca) as germplasm resources for agricultural and food uses
publisher Pontificia Universidad Católica de Valparaíso
publishDate 2006
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300021
work_keys_str_mv AT cesioveronica morphologicalandchemicaldiversityinthetypeivglandulartrichomesofsolananeaessisymbrifoliumandnglaucaasgermplasmresourcesforagriculturalandfooduses
AT dutracarmelo morphologicalandchemicaldiversityinthetypeivglandulartrichomesofsolananeaessisymbrifoliumandnglaucaasgermplasmresourcesforagriculturalandfooduses
AT moynapatrick morphologicalandchemicaldiversityinthetypeivglandulartrichomesofsolananeaessisymbrifoliumandnglaucaasgermplasmresourcesforagriculturalandfooduses
AT heinzenhoracio morphologicalandchemicaldiversityinthetypeivglandulartrichomesofsolananeaessisymbrifoliumandnglaucaasgermplasmresourcesforagriculturalandfooduses
_version_ 1718441749692547072