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- 2Xylem refilling
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- 1Balsam poplar--Confocal fluorescence microscopy
- 1Cold Inhibition
- 1Endodermis
- 5Graduate and Postdoctoral Studies (GPS), Faculty of
- 5Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 1Renewable Resources, Department of
- 1Renewable Resources, Department of/Journal Articles (Renewable Resources)
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Fall 2014
This dissertation describes a series of experiments that examined: 1) hydraulic responses of Populus trichocarpa x deltoides, Populus trichocarpa and Picea glauca plants to change in their surrounding environment; 2) Changes of aquaporin expression in response to such changes. In the first study,...
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Effects of the endophyte Piriformospora indica on growth, physiology and water relations of tobacco (Nicotiana tobacum)
DownloadSpring 2012
In the current study, wildtype and transgenic tobacco constitutively over-expressing Arabidopsis aquaporins PIP 1;4 and PIP 2;5 were grown in association with the endophyte Piriformospora indica. Root hydraulic conductivity along with various physiological parameters and aquaporin expression were...
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Exploring Picea glauca aquaporins in the context of needle water uptake and xylem refilling
Download2014
Conifer needles have been reported to absorb water under certain conditions. Radial water movement across needle tissues is likely influenced by aquaporin (AQP) water channels. Foliar water uptake and AQP localization in Picea glauca needles were studied using physiological and microscopic...
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2016-01-01
Plants have evolved a number of interesting features to help facilitate the passage of water and sugar around their tissues. One such molecular structure highlighted here in this balsam poplar leaf blade are aquaporins. As the name implies, aquaporins are small pores that carry water- but have...
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Spring 2023
Although many aspects of salinity tolerance in plants have been thoroughly researched, some of the fundamental aspects of plant water relations remain unclear. The main objective of my thesis research was to examine the role of aquaporin-mediated water transport in salinity tolerance of three...
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Fall 2021
Root oxygen deprivation (root hypoxia) in flooding-prone areas is detrimental to most terrestrial plants and results in growth reductions and mortality. Although plants widely vary in their waterlogging tolerance, our understanding of these variations is limited to the ability of some plants to...
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Spring 2019
This dissertation delves into the anatomy and physiology of the phloem plant vascular tissue. Two primary topics are investigated in this thesis: (1) The cellular localization and response of aquaporin protein water channels in phloem sieve tubes and (2) the mathematical modeling of phloem sieve...