Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants

Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants

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Lotus tenuis is a glycophytic forage legume (Fabaceae) used in feeding ruminants that can grow under salinity and waterlogging stresses. Plants obtained in controlled conditions were affected negatively in their growth by the effect of salt. Results from sequential extraction of plant cell wall polysaccharides and chemical characterization were related to those from nutritional parameters used to assess ruminants feedstuffs (Van Soest detergent system). Shoots and leaves were analyzed, and the most important differences were found for shoots. The saltstressed shoots gave lower values of neutral detergent fiber and acid detergent fiber; they produced higher amounts of reserve α-glucans, and hemicelluloses (xyloglucans and glucuronoxylans from primary and secondary cell walls, respectively) and pectins, leaving less material resistant to extraction. This effect was clearly confirmed by an in vitro gas production assay. In addition, observations by light microcopy (LM) and transmission electron microscopy (TEM), showed in some tissues thicker walls and more opened cell wall structures in regard to control samples, which could allow easier access of degrading enzymes in the rumen. Although the plant biomass of Lotus tenuis produced under salt stress was lower, its quality as forage improved due to production of increased quantities of more digestible polysaccharides.

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Bibliographic Details
Main Authors: Vago, María Elena, Jaurena, Gustavo, Estévez, José Manuel, Castro, María Agueda, Zavala, Jorge Alberto, Ciancia, Marina
Format: Texto biblioteca
Language:ENG
Subjects:LOTUS TENUIS, CELL WALL, SALT STRESS, PECTIN, HEMICELLULOSE, FORAGE DIGESTIBILITY, ,
Online Access:http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=54864
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spelling KOHA-OAI-AGRO:548642023-11-23T14:51:01Zhttp://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=54864http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=AAGSalt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminantsVago, María ElenaJaurena, GustavoEstévez, José ManuelCastro, María AguedaZavala, Jorge AlbertoCiancia, MarinatextENGapplication/pdfLotus tenuis is a glycophytic forage legume (Fabaceae) used in feeding ruminants that can grow under salinity and waterlogging stresses. Plants obtained in controlled conditions were affected negatively in their growth by the effect of salt. Results from sequential extraction of plant cell wall polysaccharides and chemical characterization were related to those from nutritional parameters used to assess ruminants feedstuffs (Van Soest detergent system). Shoots and leaves were analyzed, and the most important differences were found for shoots. The saltstressed shoots gave lower values of neutral detergent fiber and acid detergent fiber; they produced higher amounts of reserve α-glucans, and hemicelluloses (xyloglucans and glucuronoxylans from primary and secondary cell walls, respectively) and pectins, leaving less material resistant to extraction. This effect was clearly confirmed by an in vitro gas production assay. In addition, observations by light microcopy (LM) and transmission electron microscopy (TEM), showed in some tissues thicker walls and more opened cell wall structures in regard to control samples, which could allow easier access of degrading enzymes in the rumen. Although the plant biomass of Lotus tenuis produced under salt stress was lower, its quality as forage improved due to production of increased quantities of more digestible polysaccharides.Lotus tenuis is a glycophytic forage legume (Fabaceae) used in feeding ruminants that can grow under salinity and waterlogging stresses. Plants obtained in controlled conditions were affected negatively in their growth by the effect of salt. Results from sequential extraction of plant cell wall polysaccharides and chemical characterization were related to those from nutritional parameters used to assess ruminants feedstuffs (Van Soest detergent system). Shoots and leaves were analyzed, and the most important differences were found for shoots. The saltstressed shoots gave lower values of neutral detergent fiber and acid detergent fiber; they produced higher amounts of reserve α-glucans, and hemicelluloses (xyloglucans and glucuronoxylans from primary and secondary cell walls, respectively) and pectins, leaving less material resistant to extraction. This effect was clearly confirmed by an in vitro gas production assay. In addition, observations by light microcopy (LM) and transmission electron microscopy (TEM), showed in some tissues thicker walls and more opened cell wall structures in regard to control samples, which could allow easier access of degrading enzymes in the rumen. Although the plant biomass of Lotus tenuis produced under salt stress was lower, its quality as forage improved due to production of increased quantities of more digestible polysaccharides.LOTUS TENUISCELL WALLSALT STRESSPECTINHEMICELLULOSEFORAGE DIGESTIBILITYPlant physiology and biochemistry
institution UBA FA
collection Koha
country Argentina
countrycode AR
component Bibliográfico
access En linea
En linea
databasecode cat-ceiba
tag biblioteca
region America del Sur
libraryname Biblioteca Central FAUBA
language ENG
topic LOTUS TENUIS
CELL WALL
SALT STRESS
PECTIN
HEMICELLULOSE
FORAGE DIGESTIBILITY

LOTUS TENUIS
CELL WALL
SALT STRESS
PECTIN
HEMICELLULOSE
FORAGE DIGESTIBILITY
spellingShingle LOTUS TENUIS
CELL WALL
SALT STRESS
PECTIN
HEMICELLULOSE
FORAGE DIGESTIBILITY

LOTUS TENUIS
CELL WALL
SALT STRESS
PECTIN
HEMICELLULOSE
FORAGE DIGESTIBILITY
Vago, María Elena
Jaurena, Gustavo
Estévez, José Manuel
Castro, María Agueda
Zavala, Jorge Alberto
Ciancia, Marina
Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants
description Lotus tenuis is a glycophytic forage legume (Fabaceae) used in feeding ruminants that can grow under salinity and waterlogging stresses. Plants obtained in controlled conditions were affected negatively in their growth by the effect of salt. Results from sequential extraction of plant cell wall polysaccharides and chemical characterization were related to those from nutritional parameters used to assess ruminants feedstuffs (Van Soest detergent system). Shoots and leaves were analyzed, and the most important differences were found for shoots. The saltstressed shoots gave lower values of neutral detergent fiber and acid detergent fiber; they produced higher amounts of reserve α-glucans, and hemicelluloses (xyloglucans and glucuronoxylans from primary and secondary cell walls, respectively) and pectins, leaving less material resistant to extraction. This effect was clearly confirmed by an in vitro gas production assay. In addition, observations by light microcopy (LM) and transmission electron microscopy (TEM), showed in some tissues thicker walls and more opened cell wall structures in regard to control samples, which could allow easier access of degrading enzymes in the rumen. Although the plant biomass of Lotus tenuis produced under salt stress was lower, its quality as forage improved due to production of increased quantities of more digestible polysaccharides.
format Texto
topic_facet
LOTUS TENUIS
CELL WALL
SALT STRESS
PECTIN
HEMICELLULOSE
FORAGE DIGESTIBILITY
author Vago, María Elena
Jaurena, Gustavo
Estévez, José Manuel
Castro, María Agueda
Zavala, Jorge Alberto
Ciancia, Marina
author_facet Vago, María Elena
Jaurena, Gustavo
Estévez, José Manuel
Castro, María Agueda
Zavala, Jorge Alberto
Ciancia, Marina
author_sort Vago, María Elena
title Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants
title_short Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants
title_full Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants
title_fullStr Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants
title_full_unstemmed Salt stress on Lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants
title_sort salt stress on lotus tenuis triggers cell wall polysaccharide changes affecting their digestibility by ruminants
url http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=54864
http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=
http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=
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AT estevezjosemanuel saltstressonlotustenuistriggerscellwallpolysaccharidechangesaffectingtheirdigestibilitybyruminants
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