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| Registros recuperados : 13 | |
| 4. |  | REBUFFO, M.; CUITIÑO, M.; MONZA, J.; ARROSPIDE, G.; SANJUAN, J. Respuesta de Medicago sativa a la inoculación en Uruguay: AT1 033. In: REUNIÓN LATINOAMERICANA DE RIZOBIOLOGÍA, 25.,; CONGRESO NACIONAL DE MICROORGANISMOS PROMOTORES DEL CRECIMIENTO VEGETAL, 1., 2011, Piriápolis, Maldonado, UY. 50 [i.e. cincuenta] años de investigación en inoculantes como estrategia de desarrollo sostenible (1960-2011); libro de resúmenes: sesión de posters. [s.l.]: ALAR, 2011. p. 39-40.| Biblioteca(s): INIA La Estanzuela. |
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| 5. | | BATISTA, L.; SÁNCHEZ, M.; IRISARRI, P.; CUITIÑO, M.J.; REBUFFO, M.; SANJUÁN, J.; MONZA, J. Competitive ability and diversity of native rhizobia strains nodulating red clover: s1-07. In: NATIONAL MEETING OF THE SPANISH SOCIETY OF NITROGEN FIXATION (SEFIN), 13.; PORTUGUESE-SPANISH CONGRESS ON NITROGEN FIXATION, 2., 2010, Zaragoza, ES. Biological fixation and plant-associated microorganisms: ecology, diversity, and evolution of diazotrophic microorganisms. Zaragoza, ES: SEFIN. 2010. p. 33-34.| Biblioteca(s): INIA La Estanzuela. |
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| 6. | | IRISARRI, P.; IMPERIAL, J.; LATTANZI, F.; MONZA, J.; PALACIOS, J.; SANJUAN, J.; GROSSMAN, J. Editorial: Maximizing nitrogen fixation in legumes as a tool for sustainable agriculture intensification. [Editorial article]. Frontiers in Agronomy, 2021, Volume 3, Article 796717. OPEN ACCESS. doi: https://doi.org/10.3389/fagro.2021.796717 Article history: Received 17 October 2021; Accepted 26 October 2021; Published 23 November 2021.
Corresponding author: Irisarri, P.; Department of Biología Vegetal, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay;...| Biblioteca(s): INIA Las Brujas. |
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| 7. | | SOTELO, M.; IRISARRI, P.; LORITE, M.J.; CASARETTO, E.; REBUFFO, M.; SANJUAN, J.; MONZA, J. Diversity of rhizobia nodulating Lotus corniculatus grown in northern and southern regions of Uruguay. Applied Soil Ecology,Volume 49, September 2011, Pages 197-207. Article history: Article history: Received 6 October 2010/Received in revised form 12 May 2011/Accepted 13 May 2011.| Biblioteca(s): INIA La Estanzuela. |
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| 8. | | BATISTA, L.; IRISARRI, L.; REBUFFO, M.; CUITIÑO, M.J.; SANJUÁN, J.; MONZA , J. Nodulation competitiveness as a requisite for improved rhizobial inoculants of Trifolium pratense. Biology and Fertility of Soils , v. 51, n. 1, p. 11-20, 2015 Received: 21 April 2014 /Revised: 14 July 2014 /Accepted: 16 July 2014 /Published online: 27 July 2014| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas. |
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| 9. | | REBUFFO, M.; MONZA, J.; SANJUÁN, J.; CASTILLO, A.; BATISTA, L.; CUITIÑO, M.J.; REYNO, R. Integración multidisciplinaria para el mejoramiento de leguminosas forrajeras. In: JORNADAS LATINOAMERICANAS DE RECURSOS GENÉTICOS, MEJORAMIENTO Y BIOTECNOLOGÍA DE ESPECIES FORRAJERAS, 2012, Pergamino, AR. [Junín, AR]: UNNOBA/INTA PERGAMINO, 2012.| Biblioteca(s): INIA La Estanzuela. |
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| 10. | | CUITIÑO, M.J.; REBUFFO, M.; MONZA, J.; ARROSPIDE, G.; SANJUÁN, J. Respuesta de Medicago sativa a la inoculación en moldisoles del litoral sur de Uruguay. In: CONGRESO ARGENTINO DE PRODUCCIÓN ANIMAL, 34.; JOINT MEETING ASAS-AAPA, 1., 2011, Mar del Plata, AR. Ciencia y tecnología: pilares del desarrollo ganadero sustentable. [s.l.], AR: AAPA, 2011.| Biblioteca(s): INIA La Estanzuela. |
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| 11. | | SOTELO, M.; IRISARRI, P.; LORITE, M.J.; CASARETTO, E.; BORSANI, O.; CUITIÑO, M.J.; REBUFFO, M.; SANJUAN, J.; MONZA, J. Characterization of the genetic diversity of rhizobia isolated from nodules of Lotus corniculatus and response to inoculation in Uruguay. Lotus Newsletter, v. 41, p. 7-9, 2011. En prensa.| Biblioteca(s): INIA La Estanzuela. |
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| 12. | | REBUFFO, M.; MONZA, J.; CASTILLO, A.; SANJUÁN, J.; REYNO, R.; BATISTA, L.; QUERO, G.; CUITIÑO, M.J. Multidisciplinary approaches to improve forage legume species for stressing environments in South America. In: INTERNATIONAL SYMPOSIUM ON THE MOLECULAR BREEDING OF FORAGE AND TURF, 7., 2012, Salt Lake City, UT, US. Proceedings: other invited oral presentation abstracts. Salt Lake City, UT: MBFT, 2012. p. 62.| Biblioteca(s): INIA La Estanzuela. |
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| 13. | | TABARES DA ROSA, S.; SIGNORELLI, S.; DEL PAPA, M.; SABATINI, O.; REYNO, R.; LATTANZI, F.; REBUFFO, M.; SANJUÁN, J.; MONZA, J. Rhizobia inoculants for alfalfa in acid soils: a proposal for Uruguay. [Inoculantes rizobianos para alfalfa en suelos ácidos. Una propuesta para Uruguay.] Agrociencia Uruguay, 2019, 23(2):1-13. Article history: Recibido: 28/08/19 - Aceptado: 13/09/19.| Biblioteca(s): INIA Tacuarembó. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
13/11/2015 |
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Actualizado : |
13/11/2015 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
LADO, J.; CRONJE, P.; ALQUÉZAR, B.; PAGE, A.; MANZI, M.; GÓMEZ-CADENAS, A.; STEAD, A.D.; ZACARÍAS, L.; RODRIGO, M.J. |
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Afiliación : |
JOANNA LADO LINDNER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Fruit shading enhances peel color, carotenes accumulation and chromoplast differentiation in red grapefruit. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Physiologia Plantarum, 2015, v.154, no. 4, p. 469-484. |
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Serie : |
0031-9317 |
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DOI : |
10.1111/ppl.12332 |
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Idioma : |
Inglés |
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Contenido : |
ABSTRACT.
The distinctive color of red grapefruits is due to lycopene, an unusual carotene in citrus. It has been observed that red ?Star Ruby? (SR) grapefruits grown inside the tree canopy develop a more intense red coloration than those exposed to higher light intensities. To investigate the effect of light on SR peel pigmentation, fruit were bagged or exposed to normal photoperiodic conditions, and changes in carotenoids, expression of carotenoid biosynthetic genes and plastid ultrastructure in the peel were analyzed. Light avoidance accelerated chlorophyll breakdown and induced carotenoid accumulation, rendering fruits with an intense coloration. Remarkably, lycopene levels in the peel of shaded fruits were 49-fold higher than in light-exposed fruit while concentrations of downstream metabolites were notably reduced, suggesting a bottleneck at the lycopene cyclization in the biosynthetic pathway. Paradoxically, this increment in carotenoids in covered fruit was not mirrored by changes in mRNA levels of carotenogenic genes, which were mostly up-regulated by light. In addition, covered fruits experienced profound changes in chromoplast differentiation, and the relative expression of genes related to chromoplast
development was enhanced. Ultrastructural analysis of plastids revealed an acceleration of chloroplasts to chromoplast transition in the peel of covered fruits concomitantly with development of lycopene crystals and plastoglobuli. In this sense, an accelerated differentiation of chromoplasts may provide biosynthetic capacity and a sink for carotenoids without involving major changes in transcript levels of carotenogenic genes. Light signals seem to regulate carotenoid accumulation at the molecular and structural level by
influencing both biosynthetic capacity and sink strength. Abbreviations ? 𝛽CHX, 𝛽-carotene hydroxylase; 𝛽LCY, lycopene cyclase 𝛽; ABA, abscisic acid; C, covered; Chl, chlorophyll; DXS, 1-deoxy-D-xylulose-5-phosphate synthase; FIB, fibrillin; FW, fresh weight; GGPP, geranyl geranyl pyrophosphate; GGPPS, geranyl geranyl pyrophosphate synthase; HDR, hydroxymethylbutenyl diphosphate reductase; HPLC, high-performance liquid chromatography; MEP, methyl-D-erythritol-4-phosphate; NC, non-covered; PCR, polymerase chain reaction; PDS, phytoene desaturase; PSY, phytoene synthase; sHSP, small heat shock protein; SR, Star Ruby; ZDS, 𝜁-carotene desaturase.
Physiol. Plant. MenosABSTRACT.
The distinctive color of red grapefruits is due to lycopene, an unusual carotene in citrus. It has been observed that red ?Star Ruby? (SR) grapefruits grown inside the tree canopy develop a more intense red coloration than those exposed to higher light intensities. To investigate the effect of light on SR peel pigmentation, fruit were bagged or exposed to normal photoperiodic conditions, and changes in carotenoids, expression of carotenoid biosynthetic genes and plastid ultrastructure in the peel were analyzed. Light avoidance accelerated chlorophyll breakdown and induced carotenoid accumulation, rendering fruits with an intense coloration. Remarkably, lycopene levels in the peel of shaded fruits were 49-fold higher than in light-exposed fruit while concentrations of downstream metabolites were notably reduced, suggesting a bottleneck at the lycopene cyclization in the biosynthetic pathway. Paradoxically, this increment in carotenoids in covered fruit was not mirrored by changes in mRNA levels of carotenogenic genes, which were mostly up-regulated by light. In addition, covered fruits experienced profound changes in chromoplast differentiation, and the relative expression of genes related to chromoplast
development was enhanced. Ultrastructural analysis of plastids revealed an acceleration of chloroplasts to chromoplast transition in the peel of covered fruits concomitantly with development of lycopene crystals and plastoglobuli. In this sense, an accelerated diff... Presentar Todo |
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Thesagro : |
CITRUS; CITRUS PARADISI. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 03223naa a2200265 a 4500
001 1053867
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024 7 $a10.1111/ppl.12332$2DOI
100 1 $aLADO, J.
245 $aFruit shading enhances peel color, carotenes accumulation and chromoplast differentiation in red grapefruit.$h[electronic resource]
260 $c2015
490 $a0031-9317
520 $aABSTRACT. The distinctive color of red grapefruits is due to lycopene, an unusual carotene in citrus. It has been observed that red ?Star Ruby? (SR) grapefruits grown inside the tree canopy develop a more intense red coloration than those exposed to higher light intensities. To investigate the effect of light on SR peel pigmentation, fruit were bagged or exposed to normal photoperiodic conditions, and changes in carotenoids, expression of carotenoid biosynthetic genes and plastid ultrastructure in the peel were analyzed. Light avoidance accelerated chlorophyll breakdown and induced carotenoid accumulation, rendering fruits with an intense coloration. Remarkably, lycopene levels in the peel of shaded fruits were 49-fold higher than in light-exposed fruit while concentrations of downstream metabolites were notably reduced, suggesting a bottleneck at the lycopene cyclization in the biosynthetic pathway. Paradoxically, this increment in carotenoids in covered fruit was not mirrored by changes in mRNA levels of carotenogenic genes, which were mostly up-regulated by light. In addition, covered fruits experienced profound changes in chromoplast differentiation, and the relative expression of genes related to chromoplast development was enhanced. Ultrastructural analysis of plastids revealed an acceleration of chloroplasts to chromoplast transition in the peel of covered fruits concomitantly with development of lycopene crystals and plastoglobuli. In this sense, an accelerated differentiation of chromoplasts may provide biosynthetic capacity and a sink for carotenoids without involving major changes in transcript levels of carotenogenic genes. Light signals seem to regulate carotenoid accumulation at the molecular and structural level by influencing both biosynthetic capacity and sink strength. Abbreviations ? 𝛽CHX, 𝛽-carotene hydroxylase; 𝛽LCY, lycopene cyclase 𝛽; ABA, abscisic acid; C, covered; Chl, chlorophyll; DXS, 1-deoxy-D-xylulose-5-phosphate synthase; FIB, fibrillin; FW, fresh weight; GGPP, geranyl geranyl pyrophosphate; GGPPS, geranyl geranyl pyrophosphate synthase; HDR, hydroxymethylbutenyl diphosphate reductase; HPLC, high-performance liquid chromatography; MEP, methyl-D-erythritol-4-phosphate; NC, non-covered; PCR, polymerase chain reaction; PDS, phytoene desaturase; PSY, phytoene synthase; sHSP, small heat shock protein; SR, Star Ruby; ZDS, 𝜁-carotene desaturase. Physiol. Plant.
650 $aCITRUS
650 $aCITRUS PARADISI
700 1 $aCRONJE, P.
700 1 $aALQUÉZAR, B.
700 1 $aPAGE, A.
700 1 $aMANZI, M.
700 1 $aGÓMEZ-CADENAS, A.
700 1 $aSTEAD, A.D.
700 1 $aZACARÍAS, L.
700 1 $aRODRIGO, M.J.
773 $tPhysiologia Plantarum, 2015$gv.154, no. 4, p. 469-484.
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