| dc.creator |
Mao, Linchun |
|
| dc.creator |
Karakurt, Yaşar |
|
| dc.creator |
Huber, Donald J |
|
| dc.date |
2004-06-30T21:00:00Z |
|
| dc.date.accessioned |
2020-10-06T09:49:52Z |
|
| dc.date.available |
2020-10-06T09:49:52Z |
|
| dc.identifier |
4ae13aab-1ac6-4584-8d58-de0105474456 |
|
| dc.identifier |
10.1016/j.postharvbio.2003.12.007 |
|
| dc.identifier |
https://avesis.sdu.edu.tr/publication/details/4ae13aab-1ac6-4584-8d58-de0105474456/oai |
|
| dc.identifier.uri |
http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/59374 |
|
| dc.description |
Watermelon (Citrullus lanatus Thunb. Matsum and Nakai) fruits were held in 50 mul l(-1) ethylene at 20degreesC following an 18-h exposure to 5 mul l(-1) 1-methylcyclopropene (1-MCP) to investigate the involvement of ethylene perception in the regulation of placental tissue water-soaking through phospholipase-mediated phospholipid (PL) degradation. Water-soaking was accompanied by increase in phospholipases C (PLC, EC 3.1.4.3) and D (PLD, EC 3.1.4.4), and lipoxygenase (LOX, EC 1.13.11.12) activities, decreases in phosphatidylcholine (PC) and phosphatidylinositol (PI), and increases in phosphatidic acid (PA). These changes were evident within 2 days of ethylene exposure, coincident with accelerated softening, increased electrolyte leakage and extractable juice. and appearance of water-soaking. Air-stored fruits did not exhibit water-soaking, and the activities of lipid-degrading enzymes and PL levels remained constant throughout the 8-day storage period. Treatment of fruit with 5 mul l(-1) 1-MCP prior to ethylene exposure reduced ethylene-induced increases in the activities of lipid-degrading enzymes, and PL degradation, and completely prevented water-soaking and the attendant increases in electrolyte leakage and extractable juice. The results demonstrated that water-soaking in watermelon fruit requires competent ethylene responsiveness and is associated with ethylene-inducible PL degradation. This represents the first report wherein 1-MCP imparts to a fully ripe fruit complete protection against deleterious effects of exogenous ethylene. Watermelon fruit maintained under simulated commercial storage conditions (up to 3 weeks at 13 degreesC) without exposure to exogenously provided ethylene also benefited significantly from prior exposure to 1-MCP (C) 2004 Elsevier B.V. All rights reserved. |
|
| dc.language |
eng |
|
| dc.rights |
info:eu-repo/semantics/closedAccess |
|
| dc.title |
Incidence of water-soaking and phospholipid catabolism in ripe watermelon (Citrullus lanatus) fruit: induction by ethylene and prophylactic effects of 1-methylcyclopropene |
|
| dc.type |
info:eu-repo/semantics/article |
|