Developmental changes in cell wall polysaccharides from sweet cherry [Prunus avium L.] cultivars with contrasting firmness
Firmness is a major quality attribute of fresh cherries, and is also a main factor affecting susceptibility to bruising and postharvest rots. In order to identify the factors determining the textural differences between genotypes, we evaluated the solubilization, depolymerization and monosaccharide...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2013salato.pdf LINK AL EDITOR |
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| 245 | 1 | 0 | |a Developmental changes in cell wall polysaccharides from sweet cherry [Prunus avium L.] cultivars with contrasting firmness |
| 520 | |a Firmness is a major quality attribute of fresh cherries, and is also a main factor affecting susceptibility to bruising and postharvest rots. In order to identify the factors determining the textural differences between genotypes, we evaluated the solubilization, depolymerization and monosaccharide composition of pectin and hemicelluloses from two cultivars with contrasting firmness ['Sweetheart', firm and 'Newstar', soft] at four different developmental stages. Firm 'Sweetheart' cherries had higher contents of cell wall material than soft 'Newstar' fruit. Moderate depolymerization of hemicellulose and tightly bound pectins was detected irrespective of cultivar firmness. The general pattern and extent of uronic acid solubilization was quite similar in both cultivars. Rhamnogalacturonan I [RG-I] seemed to be preferentially solubilized in firm 'Sweetheart' fruit as opposed to tightly bound homogalacturonans [HG] in soft cherries. Pectic polymers with higher neutral sugar to uronic acids ratio were found from early development in soft 'Newstar' fruit. Overall, soft 'Newstar' fruit had reduced wall content and higher branching of tightly bound pectins than firm 'Sweetheart' fruit. These factors may be associated with the varietal differences in cherry firmness. | ||
| 653 | 0 | |a CELL WALL DEGRADATION | |
| 653 | 0 | |a HEMICELLULOSE | |
| 653 | 0 | |a ONTOGENY | |
| 653 | 0 | |a PECTIN | |
| 653 | 0 | |a PRUNOIDEAE | |
| 653 | 0 | |a SOFTENING | |
| 700 | |9 22725 |a Salato, Gloria Silvia | ||
| 700 | 1 | |9 69360 |a Ponce, Nora M. A. | |
| 700 | 1 | |a Raffo, María D. |9 45259 | |
| 700 | 1 | |9 42627 |a Vicente, Ariel R. | |
| 700 | 1 | |9 58150 |a Stortz, Carlos A. | |
| 773 | |t Postharvest Biology and Technology |g vol.84 (2013), p.66-73 | ||
| 856 | |u http://ri.agro.uba.ar/files/intranet/articulo/2013salato.pdf |i En reservorio |q application/pdf |f 2013salato |x MIGRADOS2018 | ||
| 856 | |u http://www.elsevier.com/ |x MIGRADOS2018 |z LINK AL EDITOR | ||
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| 900 | |a ^tDevelopmental changes in cell wall polysaccharides from sweet cherry [Prunus avium L.] cultivars with contrasting firmness | ||
| 900 | |a ^aSalato^bG.S. | ||
| 900 | |a ^aPonce^bN.M.A. | ||
| 900 | |a ^aRaffo^bM.D. | ||
| 900 | |a ^aVicente^bA.R. | ||
| 900 | |a ^aStortz^bC.A. | ||
| 900 | |a ^aSalato^bG. S. | ||
| 900 | |a ^aPonce^bN. M. A. | ||
| 900 | |a ^aRaffo^bM. D. | ||
| 900 | |a ^aVicente^bA. R. | ||
| 900 | |a ^aStortz^bC. A. | ||
| 900 | |a ^aSalato, G.S.^tDepartamento de Producción Vegetal, Facultad de Agronomía, Universidad de Buenos Aires, Avda^tSan Martín 4453, 1417 Buenos Aires, Argentina | ||
| 900 | |a ^aSalato, G.S.^tDepartamento de Química Orgánica - CIHIDECAR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, 1428 Buenos Aires, Argentina | ||
| 900 | |a ^aPonce, N.M.A.^tDepartamento de Química Orgánica - CIHIDECAR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, 1428 Buenos Aires, Argentina | ||
| 900 | |a ^aRaffo, M.D.^tInstituto Nacional de Tecnología Agropecuaria (INTA), EEA Alto Valle de Río Negro, Ruta Nac. 22, Km^t1190, 8332 Allen, Argentina | ||
| 900 | |a ^aVicente, A.R.^tCentro de Investigación y Desarrollo en Criotecnología de Alimentos, Facultad de Ciencias Exactas, CONICET-UNLP, 47 and 116, B1900 La Plata, Argentina | ||
| 900 | |a ^aVicente, A.R.^tCátedra de Agroindustrias, Facultad de Ciencias Agrarias y Forestales, Calle 60 y 119, B1900 La Plata, Argentina | ||
| 900 | |a ^aStortz, C.A.^tDepartamento de Química Orgánica - CIHIDECAR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, 1428 Buenos Aires, Argentina | ||
| 900 | |a ^tPostharvest Biology and Technology^cPostharvest Biol. Technol. | ||
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| 900 | |a 66 | ||
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| 900 | |a Vol. 84 | ||
| 900 | |a 73 | ||
| 900 | |a CELL WALL DEGRADATION | ||
| 900 | |a HEMICELLULOSE | ||
| 900 | |a ONTOGENY | ||
| 900 | |a PECTIN | ||
| 900 | |a PRUNOIDEAE | ||
| 900 | |a SOFTENING | ||
| 900 | |a Firmness is a major quality attribute of fresh cherries, and is also a main factor affecting susceptibility to bruising and postharvest rots. In order to identify the factors determining the textural differences between genotypes, we evaluated the solubilization, depolymerization and monosaccharide composition of pectin and hemicelluloses from two cultivars with contrasting firmness ['Sweetheart', firm and 'Newstar', soft] at four different developmental stages. Firm 'Sweetheart' cherries had higher contents of cell wall material than soft 'Newstar' fruit. Moderate depolymerization of hemicellulose and tightly bound pectins was detected irrespective of cultivar firmness. The general pattern and extent of uronic acid solubilization was quite similar in both cultivars. Rhamnogalacturonan I [RG-I] seemed to be preferentially solubilized in firm 'Sweetheart' fruit as opposed to tightly bound homogalacturonans [HG] in soft cherries. Pectic polymers with higher neutral sugar to uronic acids ratio were found from early development in soft 'Newstar' fruit. Overall, soft 'Newstar' fruit had reduced wall content and higher branching of tightly bound pectins than firm 'Sweetheart' fruit. These factors may be associated with the varietal differences in cherry firmness. | ||
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