Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows

Abstract: The genus Distichlis comprises halophytic perennial C4 grasses which grow in very extreme conditions. It is distributed throughout almost the entire American continent. Despite these interesting characteristics, studies on these plants are relatively scarce, and their ecological and produ...

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Autores principales: Fernandez, Paula Virginia, Vago, María Elena, Ezquiaga, Juan Pedro, Maiale, Santiago, Rodriguez, Andrés, Acosta, Juan Manuel, Gortari, Maximiliano, Ruiz, Oscar Adolfo, Ciancia, Marina
Formato: Artículo
Lenguaje:Inglés
Publicado: Elsevier 2024
Materias:
DISTICHLIS LAXIFLORA
PARED CELULAR
GLUCURONOARABINOXILANOS
PASTIZALES
CALIDAD DEL FORRAJE
SALINIDAD
GANADO
Acceso en línea:https://repositorio.uca.edu.ar/handle/123456789/18360
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Repositorio Institucional de la Universidad Católica Argentina (UCA) de Universidad Católica Argentina
id I33-R139-123456789-18360
record_format dspace
spelling I33-R139-123456789-183602025-02-19T19:00:03Z Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows Fernandez, Paula Virginia Vago, María Elena Ezquiaga, Juan Pedro Maiale, Santiago Rodriguez, Andrés Acosta, Juan Manuel Gortari, Maximiliano Ruiz, Oscar Adolfo Ciancia, Marina DISTICHLIS LAXIFLORA PARED CELULAR GLUCURONOARABINOXILANOS PASTIZALES CALIDAD DEL FORRAJE SALINIDAD GANADO Abstract: The genus Distichlis comprises halophytic perennial C4 grasses which grow in very extreme conditions. It is distributed throughout almost the entire American continent. Despite these interesting characteristics, studies on these plants are relatively scarce, and their ecological and productive value deserves to be further explored. In this work, nutritional aspects, and composition of the cell walls of the aerial part (leaves and shoots) of D. laxiflora Hack were studied. Their changes over four samplings in different seasons, in two nearby sites: a halophytic meadow (H), and a mesophytic meadow (M), were analyzed. Photosynthetic efficiency and K/Na ratio were determined as stress indicators. Plants of sites H and M have similar cell wall content except for spring when plants from site H show lower values. Also, the spring samples present a markedly higher in vitro digestibility for site H. In agreement, samples from site H contain lower amounts of glucuronoarabinoxylans and β-glucans. The protein content is lower in site H, except for spring, and with a maximum in summer for site M. This work shows some changes in the cell walls of D. laxiflora in response to salinity, and these changes influence the digestibility of this material. Spring, coinciding with the regrowth cycle of this plant and with the worst stress indicators, is the season when plants of the halophytic site show the highest nutritional quality for grazing cattle. 2024-07-01T22:58:23Z 2024-07-01T22:58:23Z 2024 Artículo Fernandez, P. V. et al. Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows [en linea]. Plant Stress. 2024 (13)100519. doi: 10.1016/j.stress.2024.100519. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/18360 2667-064X (online) https://repositorio.uca.edu.ar/handle/123456789/18360 10.1016/j.stress.2024.100519 eng Acceso abierto http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Elsevier Plant Stress. 2024 (13)100519
institution Universidad Católica Argentina
institution_str I-33
repository_str R-139
collection Repositorio Institucional de la Universidad Católica Argentina (UCA)
language Inglés
topic DISTICHLIS LAXIFLORA
PARED CELULAR
GLUCURONOARABINOXILANOS
PASTIZALES
CALIDAD DEL FORRAJE
SALINIDAD
GANADO
spellingShingle DISTICHLIS LAXIFLORA
PARED CELULAR
GLUCURONOARABINOXILANOS
PASTIZALES
CALIDAD DEL FORRAJE
SALINIDAD
GANADO
Fernandez, Paula Virginia
Vago, María Elena
Ezquiaga, Juan Pedro
Maiale, Santiago
Rodriguez, Andrés
Acosta, Juan Manuel
Gortari, Maximiliano
Ruiz, Oscar Adolfo
Ciancia, Marina
Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows
topic_facet DISTICHLIS LAXIFLORA
PARED CELULAR
GLUCURONOARABINOXILANOS
PASTIZALES
CALIDAD DEL FORRAJE
SALINIDAD
GANADO
description Abstract: The genus Distichlis comprises halophytic perennial C4 grasses which grow in very extreme conditions. It is distributed throughout almost the entire American continent. Despite these interesting characteristics, studies on these plants are relatively scarce, and their ecological and productive value deserves to be further explored. In this work, nutritional aspects, and composition of the cell walls of the aerial part (leaves and shoots) of D. laxiflora Hack were studied. Their changes over four samplings in different seasons, in two nearby sites: a halophytic meadow (H), and a mesophytic meadow (M), were analyzed. Photosynthetic efficiency and K/Na ratio were determined as stress indicators. Plants of sites H and M have similar cell wall content except for spring when plants from site H show lower values. Also, the spring samples present a markedly higher in vitro digestibility for site H. In agreement, samples from site H contain lower amounts of glucuronoarabinoxylans and β-glucans. The protein content is lower in site H, except for spring, and with a maximum in summer for site M. This work shows some changes in the cell walls of D. laxiflora in response to salinity, and these changes influence the digestibility of this material. Spring, coinciding with the regrowth cycle of this plant and with the worst stress indicators, is the season when plants of the halophytic site show the highest nutritional quality for grazing cattle.
format Artículo
author Fernandez, Paula Virginia
Vago, María Elena
Ezquiaga, Juan Pedro
Maiale, Santiago
Rodriguez, Andrés
Acosta, Juan Manuel
Gortari, Maximiliano
Ruiz, Oscar Adolfo
Ciancia, Marina
author_facet Fernandez, Paula Virginia
Vago, María Elena
Ezquiaga, Juan Pedro
Maiale, Santiago
Rodriguez, Andrés
Acosta, Juan Manuel
Gortari, Maximiliano
Ruiz, Oscar Adolfo
Ciancia, Marina
author_sort Fernandez, Paula Virginia
title Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows
title_short Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows
title_full Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows
title_fullStr Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows
title_full_unstemmed Cell wall composition and nutritional quality through seasons of the saltgrass Distichlis laxiflora growing in halophytic and mesophytic meadows
title_sort cell wall composition and nutritional quality through seasons of the saltgrass distichlis laxiflora growing in halophytic and mesophytic meadows
publisher Elsevier
publishDate 2024
url https://repositorio.uca.edu.ar/handle/123456789/18360
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