Abstract
During normal ripening the dry weight of the total cell wall material decreased, while water soluble pectin content increased extensively with the decrease in amounts of ionically associated and covalently bound pectins and cellulose (Figs.1,2). However, hemicellulose content did not change significantly. Low temperature stress slowed down degradation of pectin and cellulose, causing accumulation of high molecular weight pectin and increase in juice viscosity (Fig.1). Intermittent warming resulted in solubilization and depolymerization of pectins and cellulose (Fig.3), thus leading to cell wall metabolism associated with fruit ripening. Radiolabeling test using 14 C sucrose indicated that cell wall synthesis continued during the degradation of cell wall, and increased during the onset of fruit ripening (Fig.4). Fruit senescence was directly associated with reduced cell wall synthesis. The higher amount of cell wall material in chilling injured fruit than that in normal fruit was not due to an increase in cell wall synthesis but rather to a reduced degradation of cell wall material.
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Claims 13
Claim · model-written summary
The dry weight of total cell wall material decreased during normal ripening.
- Taxon
- Peaches
Prunus persicat0 - Organ / stage
- normal ripeninge1
- Outcome
- dry weight of the total cell wall materiale1
- Direction
- decreasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e1“During normal ripening the dry weight of the total cell wall material decreased, while water soluble pectin content increased extensively with the decrease in amounts of ionically associated and covalently bound pectins and cellulose”
Claim · model-written summary
Water soluble pectin content increased extensively during normal ripening.
- Taxon
- PeachesPrunus persicat0
- Organ / stage
- normal ripeninge1
- Outcome
- water soluble pectin contente1
- Direction
- increasede1
- Qualifier
- extensivelye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e1“During normal ripening the dry weight of the total cell wall material decreased, while water soluble pectin content increased extensively with the decrease in amounts of ionically associated and covalently bound pectins and cellulose”
Claim · model-written summary
Amounts of ionically associated and covalently bound pectins and cellulose decreased during normal ripening.
- Taxon
- PeachesPrunus persicat0
- Organ / stage
- normal ripeninge1
- Outcome
- amounts of ionically associated and covalently bound pectins and cellulosee1
- Direction
- decreasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e1“During normal ripening the dry weight of the total cell wall material decreased, while water soluble pectin content increased extensively with the decrease in amounts of ionically associated and covalently bound pectins and cellulose”
Claim · model-written summary
Hemicellulose content did not change significantly during normal ripening.
- Taxon
- PeachesPrunus persicat0
- Organ / stage
- normal ripeninge1
- Outcome
- hemicellulose contente2
- Direction
- did not change significantlye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e1“During normal ripening the dry weight of the total cell wall material decreased, while water soluble pectin content increased extensively with the decrease in amounts of ionically associated and covalently bound pectins and cellulose”
e2“However, hemicellulose content did not change significantly”
Claim · model-written summary
Low temperature stress slowed down the degradation of pectin and cellulose.
- Taxon
- PeachesPrunus persicat0
- Treatment
- Low temperature stresse3
- Outcome
- degradation of pectin and cellulosee3
- Direction
- slowed downe3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e3“Low temperature stress slowed down degradation of pectin and cellulose, causing accumulation of high molecular weight pectin and increase in juice viscosity”
Claim · model-written summary
Low temperature stress caused accumulation of high molecular weight pectin.
- Taxon
- PeachesPrunus persicat0
- Treatment
- Low temperature stresse3
- Outcome
- high molecular weight pectine3
- Direction
- accumulatione3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e3“Low temperature stress slowed down degradation of pectin and cellulose, causing accumulation of high molecular weight pectin and increase in juice viscosity”
Claim · model-written summary
Low temperature stress increased juice viscosity.
- Taxon
- PeachesPrunus persicat0
- Treatment
- Low temperature stresse3
- Outcome
- juice viscositye3
- Direction
- increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e3“Low temperature stress slowed down degradation of pectin and cellulose, causing accumulation of high molecular weight pectin and increase in juice viscosity”
Claim · model-written summary
Intermittent warming solubilized and depolymerized pectins and cellulose.
- Taxon
- PeachesPrunus persicat0
- Treatment
- Intermittent warminge4
- Outcome
- pectins and cellulosee4
- Direction
- solubilization and depolymerizatione4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e4“Intermittent warming resulted in solubilization and depolymerization of pectins and cellulose”
Claim · model-written summary
Cell wall synthesis continued during cell wall degradation, as indicated by 14C sucrose labelling.
- Taxon
- PeachesPrunus persicat0
- Treatment
- 14 C sucrosee5
- Outcome
- cell wall synthesise5
- Direction
- continuede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e5“Radiolabeling test using 14 C sucrose indicated that cell wall synthesis continued during the degradation of cell wall, and increased during the onset of fruit ripening”
Claim · model-written summary
Cell wall synthesis increased during the onset of fruit ripening, as indicated by 14C sucrose labelling.
- Taxon
- PeachesPrunus persicat0
- Organ / stage
- onset of fruit ripeninge5
- Treatment
- 14 C sucrosee5
- Outcome
- cell wall synthesise5
- Direction
- increasede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e5“Radiolabeling test using 14 C sucrose indicated that cell wall synthesis continued during the degradation of cell wall, and increased during the onset of fruit ripening”
Claim · model-written summary
Fruit senescence was directly associated with reduced cell wall synthesis.
- Taxon
- PeachesPrunus persicat0
- Organ / stage
- Fruit senescencee6
- Outcome
- cell wall synthesise6
- Direction
- reducede6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e6“Fruit senescence was directly associated with reduced cell wall synthesis”
Claim · model-written summary
Chilling injured fruit had a higher amount of cell wall material than normal fruit.
- Taxon
- PeachesPrunus persicat0
- Treatment
- chilling injured fruite7
- Outcome
- amount of cell wall materiale7
- Direction
- highere7
- Comparator
- normal fruite7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e7“The higher amount of cell wall material in chilling injured fruit than that in normal fruit was not due to an increase in cell wall synthesis but rather to a reduced degradation of cell wall material”
Claim · model-written summary
The higher cell wall material in chilling injured fruit was attributed to reduced degradation rather than increased synthesis.
- Taxon
- PeachesPrunus persicat0
- Outcome
- amount of cell wall materiale7
- Qualifier
- reduced degradation of cell wall materiale7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in PeachesMAO”
e7“The higher amount of cell wall material in chilling injured fruit than that in normal fruit was not due to an increase in cell wall synthesis but rather to a reduced degradation of cell wall material”