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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó; INIA Treinta y Tres. |
Fecha : |
21/02/2014 |
Actualizado : |
20/05/2022 |
Tipo de producción científica : |
Documentos |
Autor : |
QUINTANS, G.; GARI, C.; ROVIRA, P.J. |
Afiliación : |
GRACIELA QUINTANS ILARIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CAROLINA GARI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; PABLO JUAN ROVIRA SANZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Manejo nutricional de vacas de cría: algunas observaciones |
Fecha de publicación : |
2000 |
Fuente / Imprenta : |
ln: Jornada anual de producción animal, 2000. Resultados experimentales. Treinta y Tres (Uruguay): INIA, 2000. |
Páginas : |
p. 45-50 |
Serie : |
(INIA Serie Actividades de Difusión ; 225) |
Idioma : |
Español |
Notas : |
INIA Treinta y Tres. Unidad Experimental Palo a Pique (UEPP) |
Thesagro : |
MEJORAMIENTO NUTRICIONAL; NUTRICION ANIMAL; VACAS DE CRIA. |
Asunto categoría : |
-- |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/4115/1/ad-225.pdf
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Marc : |
LEADER 00696naa a2200205 a 4500 001 1007401 005 2022-05-20 008 2000 bl uuuu u00u1 u #d 100 1 $aQUINTANS, G. 245 $aManejo nutricional de vacas de cría$balgunas observaciones 260 $c2000 300 $ap. 45-50 490 $a(INIA Serie Actividades de Difusión ; 225) 500 $aINIA Treinta y Tres. Unidad Experimental Palo a Pique (UEPP) 650 $aMEJORAMIENTO NUTRICIONAL 650 $aNUTRICION ANIMAL 650 $aVACAS DE CRIA 700 1 $aGARI, C. 700 1 $aROVIRA, P.J. 773 $tln: Jornada anual de producción animal, 2000. Resultados experimentales. Treinta y Tres (Uruguay): INIA, 2000.
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INIA Las Brujas (LB) |
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| Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
10/08/2016 |
Actualizado : |
10/08/2016 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
Internacional - -- |
Autor : |
MANZI, M.; LADO, J.; RODRIGO, M.J.; ARBONA, V.; GÓMEZ-CADENAS, A. |
Afiliación : |
MATÍAS MANZI, Universidad Jaume I; JOANNA LADO LINDNER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARÍA JESÚS RODRIGO, IATA (Instituto de Agroquímica y Tecnología de Alimentos); VICENT ARBONA, Universidad Jaume I; AURELIO GÓMEZ-CADENAS, Universidad Jaume I. |
Título : |
ABA accumulation in water-stressed Citrus roots does not rely on carotenoid content in this organ. |
Fecha de publicación : |
2016 |
Fuente / Imprenta : |
Plant Science, 2016, v. 252, p. 151-161. |
DOI : |
10.1016/j.plantsci.2016.07.017 |
Idioma : |
Inglés |
Notas : |
Article history: Received 19 May 2016. Received in revised form 26 July 2016. Accepted 27 July 2016. Available online 29 July 2016 |
Contenido : |
ABSTRACT.
Sustained abscisic acid (ABA) accumulation in dehydrated citrus roots depends on the transport from aerial organs. Under this condition, the role of the β,β-carotenoids (ABA precursors) to the de novo synthesis of ABA in roots needs to be clarified since their low availability in this organ restricts its accumulation. To accomplish that, detached citrus roots were exposed to light (to increase their carotenoid content) and subsequently dehydrated (to trigger ABA accumulation). Stress imposition sharply decreased the pool of β,β-carotenoids but, unexpectedly, no concomitant rise in ABA content was observed. Contrastingly, roots of intact plants (with low levels of carotenoids) showed a similar decrease of ABA precursor together with a significant ABA accumulation. Furthermore, upon dehydration both types of roots showed similar upregulation of the key genes involved in biosynthesis of carotenoids and ABA (CsPSY3a; CsβCHX1; CsβCHX2; CsNCED1; CsNCED2), demonstrating a conserved transcriptional response triggered by water stress. Thus, the sharp decrease in root carotenoid levels in response to dehydration should be related to other stress-related signals instead of contributing to ABA biosynthesis. In summary, ABA accumulation in dehydrated-citrus roots largely relies on the presence of the aerial organs and it is independent of the amount of available root β,β-carotenoids.
© 2016 Elsevier Ireland Ltd. All rights reserved. |
Palabras claves : |
9-CIS-EPOXYCAROTENOID DIOXYGENASE (NCED); GENE EXPRESSION; JASMONOYL-ISOLEUCINE (JA-Ile); OSMOTIC-STRESS; SHOOT-TO-ROOT-TRANSPORT; WATER DEFICIT. |
Thesagro : |
CITRUS. |
Asunto categoría : |
-- |
Marc : |
LEADER 02452naa a2200277 a 4500 001 1055228 005 2016-08-10 008 2016 bl uuuu u00u1 u #d 024 7 $a10.1016/j.plantsci.2016.07.017$2DOI 100 1 $aMANZI, M. 245 $aABA accumulation in water-stressed Citrus roots does not rely on carotenoid content in this organ.$h[electronic resource] 260 $c2016 500 $aArticle history: Received 19 May 2016. Received in revised form 26 July 2016. Accepted 27 July 2016. Available online 29 July 2016 520 $aABSTRACT. Sustained abscisic acid (ABA) accumulation in dehydrated citrus roots depends on the transport from aerial organs. Under this condition, the role of the β,β-carotenoids (ABA precursors) to the de novo synthesis of ABA in roots needs to be clarified since their low availability in this organ restricts its accumulation. To accomplish that, detached citrus roots were exposed to light (to increase their carotenoid content) and subsequently dehydrated (to trigger ABA accumulation). Stress imposition sharply decreased the pool of β,β-carotenoids but, unexpectedly, no concomitant rise in ABA content was observed. Contrastingly, roots of intact plants (with low levels of carotenoids) showed a similar decrease of ABA precursor together with a significant ABA accumulation. Furthermore, upon dehydration both types of roots showed similar upregulation of the key genes involved in biosynthesis of carotenoids and ABA (CsPSY3a; CsβCHX1; CsβCHX2; CsNCED1; CsNCED2), demonstrating a conserved transcriptional response triggered by water stress. Thus, the sharp decrease in root carotenoid levels in response to dehydration should be related to other stress-related signals instead of contributing to ABA biosynthesis. In summary, ABA accumulation in dehydrated-citrus roots largely relies on the presence of the aerial organs and it is independent of the amount of available root β,β-carotenoids. © 2016 Elsevier Ireland Ltd. All rights reserved. 650 $aCITRUS 653 $a9-CIS-EPOXYCAROTENOID DIOXYGENASE (NCED) 653 $aGENE EXPRESSION 653 $aJASMONOYL-ISOLEUCINE (JA-Ile) 653 $aOSMOTIC-STRESS 653 $aSHOOT-TO-ROOT-TRANSPORT 653 $aWATER DEFICIT 700 1 $aLADO, J. 700 1 $aRODRIGO, M.J. 700 1 $aARBONA, V. 700 1 $aGÓMEZ-CADENAS, A. 773 $tPlant Science, 2016$gv. 252, p. 151-161.
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