Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"Xanthophyll cycle"”.
-
Enhancement of Carotenoid Biosynthesis and Antioxidant Responses in Diatoms by Light Modulation
… <br></br><br></br> The photoprotective xanthophyll cycle, involving the pigments diatoxanthin and diadinoxanthin, is activated by light and modulated in concordance with antioxidant molecules synthesis. Indeed, under different light climates, a link between these two defense processes …
-
Response of selected warm-season turfgrasses and ornamental monocots to short-term, high concentration, ozone fumigation
… an objective measure of ozone-induced injury; 3) xanthophyll cycle involvement in dissipating light energy due to increased oxidative stress; 4) the relationship of chlorophyll fluorescence coefficients, chlorophyll content, and xanthophyll cycle in the regulation and protection of photosynthesis. …
-
Acclimation of marine macrophytes (Saccharina latissima and Zostera marina) to water flow
… and photosynthetic capacity. Changes in the xanthophyll-cycle in low-flow grown S. latissima increased non-photochemical quenching, thus reducing photodamage when photosynthesis was limited by DIC uptake. Water flow also affected root length in Z. marina but root length and below ground …
-
Role of xanthophyll and water-water cycles in the protection of photosynthetic apparatus in Arbutus unedo and Arabidopsis thaliana
… is the thermal energy dissipation through the xanthophyll cycle that may transform harmlessly the excitation energy into heat and thereby prevent the formation of damaging active oxygen species (AOS). Violaxanthin deepoxidase (VDE) converts violaxanthin (V) to antheraxanthin (A) and zeaxanthin …
-
Ultraviolet Radiation and Carotenoid Pigmentation in Symbiotic Anthozoans
… higher diatoxanthin relative to the total xanthophyll pool [diato : (diato + diadino)] during the first 10 days of the experiment. A decrease in xanthophyll cycle activity at 20 days suggests photoadaptation of anemones to high UVA and may coincide with an increase of additional …
-
Light energy management in peach: utilization, photoprotection , photodamage and recovery. Maximizing light absorption in orchard is not always the best solution
… Quenching), moving electrons (water-water cycle , cyclic transport around PSI, glutathione-ascorbate cycle and photorespiration) and scavenging the generated reactive species. The price plants must pay for this equipment is the use of CO2 and reducing power with a consequent decrease of the …
-
Χρωματικά πρότυπα στα φύλλα : πιθανοί οικοφυσιολογικοί ρόλοι των ανθοκυάνινων, ή, Γιατί τα φύλλα γίνονται παροδικά κόκκινα
Τα φύλλα κάποιων φυτών γίνονται παροδικά κόκκινα, λόγω της συσσώρευσης ανθοκυανινών. Εξετάστηκαν δύο από τις πολλές υποθέσεις που έχουν διατυπωθεί για το ρόλο των χρωστικών αυτών στα φύλλα: ο φωτοπροστατευτικός τους ρόλος και η εμπλοκή τους στις σχέσεις φυτών και φυτοφάγων εντόμων. Χρησιμοποιήθηκαν …