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| Content Provider | Springer Nature Link |
|---|---|
| Author | Żur, Iwona Dubas, Ewa Golemiec, Elżbieta Szechyńska Hebda, Magdalena Jawiak, Franciszek Wędzony, Maria |
| Copyright Year | 2008 |
| Abstract | The accumulation of abscisic acid (ABA) and the activities of antioxidative enzymes along with cell metabolic activity were monitored during androgenesis induction in triticale (×Triticosecale Wittm.). Tested cultivars ‘Mieszko’ and ‘Wanad’ were selected due to their significantly different responses to androgenic induction. Significant variation was observed in respect of superoxide dismutase activity and endogenous ABA content in anthers isolated from freshly cut tillers. For both cultivars, tillers pretreatment with low temperature decreased peroxidase activity by 36%, highly accelerated respiration rate and reduced heat production. At the same time, the level of ABA in ‘Mieszko’ was increased to the level measured in ‘Wanad’. This effect was associated with higher microspore culture viability and increased stress tolerance in ‘Mieszko’. Low temperature and metabolic starvation during 4-day anther preculture did not influence activities of antioxidative enzymes, while it resulted in slight decrease in respiration rate and heat emission. The importance of these changes for effective androgenesis induction is discussed. |
| Starting Page | 319 |
| Ending Page | 328 |
| Page Count | 10 |
| File Format | |
| ISSN | 01676857 |
| Journal | Plant Cell, Tissue and Organ Culture (PCTOC) |
| Volume Number | 94 |
| Issue Number | 3 |
| e-ISSN | 15735044 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2008-03-26 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Abscisic acid Antioxidative enzymes Metabolic activity Oxidative stress Androgenesis Plant Pathology Plant Genetics & Genomics Plant Physiology Plant Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Horticulture |
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