FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2470503478> ?p ?o ?g. }

• W2470503478 endingPage "955" @default.
• W2470503478 startingPage "950" @default.
• W2470503478 abstract "Polyamines and the activities of their biosynthetic enzymes were evaluated during peach ( Prunus persica L. `Biscoe') mesocarp (pulp) and seed growth starting at full bloom and until full fruit maturity at 14 weeks after full bloom (AFB). Mesocarp fresh mass exhibited a double-sigmoidal pattern characteristic of peaches. Seed fresh mass increased to a maximum of≈1 g at 4 weeks AFB then remained unchanged during the remaining weeks of sampling. Free putrescine, spermidine, and spermine levels were significantly higher in the flower bud, declined in the mesocarp tissue during the first 2 weeks AFB, then exhibited another increase between 2 and 6 weeks AFB. In contrast, conjugated spermidine and spermine levels were low in flower buds, then increased to their maximum level at 6 weeks AFB, then declined at full fruit development. Ornithine decarboxylase (ODC, EC 4.1.1.17) activity was high in flower buds (89.3 nmol·h -1 ·mg -1 protein) and in early stages of mesocarp development then declined to its lowest level (5.8 nmol·h -1 ·mg -1 protein) at full-fruit development. Arginine decarboxylase (ADC, 4.1.1.19) activity did not change during the first 6 weeks of mesocarp growth but declined later, reaching its lowest (1.95 nmol·h -1 ·mg -1 protein) at 14 weeks AFB. During the first 5 weeks AFB, ODC activity was 3.0- to 4.5-fold that of ADC activity; however, at full-fruit maturity (14 weeks AFB) the activities of both enzymes were similar. The slowdown in mesocarp growth during pit hardening between 6 and 9 weeks AFB did not change polyamines concentrations or their biosynthetic enzymes. Free spermidine and spermine levels declined during seed development; however, between 7 and 9 weeks AFB an increase in putrescine was observed. Similarly, conjugated putrescine increased substantially during seed growth reaching its highest level of 680 nmol·g -1 fresh mass at week 8 then declined at the later weeks, while conjugated spermidine and spermine peaked at week 10 to 1,169 and 2,148 nmol·g -1 fresh mass. ODC and ADC activities declined between 3 and 5 weeks AFB. However, a significant increase in ADC but not ODC activity in the seed tissue was observed during pit hardening between 6 and 10 weeks AFB. Based on the rapid increase in putrescine and ADC activity in the seed tissue, it appears that pit hardening may be a stress-related phenomenon. Data also suggest that polyamine levels in the mesocarp and seed tissue are independently regulated." @default.
• W2470503478 created "2016-07-22" @default.
• W2470503478 creator A5032176330 @default.
• W2470503478 date "1998-11-01" @default.
• W2470503478 modified "2023-09-26" @default.
• W2470503478 title "Changes in Polyamine Levels in Relationship to the Double-sigmoidal Growth Curve of Peaches" @default.
• W2470503478 doi "https://doi.org/10.21273/jashs.123.6.950" @default.
• W2470503478 hasPublicationYear "1998" @default.
• W2470503478 type Work @default.
• W2470503478 sameAs 2470503478 @default.
• W2470503478 citedByCount "30" @default.
• W2470503478 countsByYear W24705034782012 @default.
• W2470503478 countsByYear W24705034782013 @default.
• W2470503478 countsByYear W24705034782014 @default.
• W2470503478 countsByYear W24705034782015 @default.
• W2470503478 countsByYear W24705034782016 @default.
• W2470503478 countsByYear W24705034782017 @default.
• W2470503478 countsByYear W24705034782018 @default.
• W2470503478 crossrefType "journal-article" @default.
• W2470503478 hasAuthorship W2470503478A5032176330 @default.
• W2470503478 hasBestOaLocation W24705034781 @default.
• W2470503478 hasConcept C121289238 @default.
• W2470503478 hasConcept C140793950 @default.
• W2470503478 hasConcept C144027150 @default.
• W2470503478 hasConcept C181199279 @default.
• W2470503478 hasConcept C185592680 @default.
• W2470503478 hasConcept C2776109719 @default.
• W2470503478 hasConcept C2777107663 @default.
• W2470503478 hasConcept C2777167505 @default.
• W2470503478 hasConcept C2777497464 @default.
• W2470503478 hasConcept C2780115381 @default.
• W2470503478 hasConcept C55493867 @default.
• W2470503478 hasConcept C59822182 @default.
• W2470503478 hasConcept C86803240 @default.
• W2470503478 hasConceptScore W2470503478C121289238 @default.
• W2470503478 hasConceptScore W2470503478C140793950 @default.
• W2470503478 hasConceptScore W2470503478C144027150 @default.
• W2470503478 hasConceptScore W2470503478C181199279 @default.
• W2470503478 hasConceptScore W2470503478C185592680 @default.
• W2470503478 hasConceptScore W2470503478C2776109719 @default.
• W2470503478 hasConceptScore W2470503478C2777107663 @default.
• W2470503478 hasConceptScore W2470503478C2777167505 @default.
• W2470503478 hasConceptScore W2470503478C2777497464 @default.
• W2470503478 hasConceptScore W2470503478C2780115381 @default.
• W2470503478 hasConceptScore W2470503478C55493867 @default.
• W2470503478 hasConceptScore W2470503478C59822182 @default.
• W2470503478 hasConceptScore W2470503478C86803240 @default.
• W2470503478 hasIssue "6" @default.
• W2470503478 hasLocation W24705034781 @default.
• W2470503478 hasOpenAccess W2470503478 @default.
• W2470503478 hasPrimaryLocation W24705034781 @default.
• W2470503478 hasRelatedWork W2029343556 @default.
• W2470503478 hasRelatedWork W2065743514 @default.
• W2470503478 hasRelatedWork W2080833286 @default.
• W2470503478 hasRelatedWork W2089647304 @default.
• W2470503478 hasRelatedWork W2108917583 @default.
• W2470503478 hasRelatedWork W24866247 @default.
• W2470503478 hasRelatedWork W2555274242 @default.
• W2470503478 hasRelatedWork W25715796 @default.
• W2470503478 hasRelatedWork W3007640735 @default.
• W2470503478 hasRelatedWork W2185446584 @default.
• W2470503478 hasVolume "123" @default.
• W2470503478 isParatext "false" @default.
• W2470503478 isRetracted "false" @default.
• W2470503478 magId "2470503478" @default.
• W2470503478 workType "article" @default.