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Expression Profiling Of The Spermidine Synthase3 (Spds3) And Spermine Synthase ( Spms) Genes During The Life Of Arabidopsis, Charles F. Rice
Expression Profiling Of The Spermidine Synthase3 (Spds3) And Spermine Synthase ( Spms) Genes During The Life Of Arabidopsis, Charles F. Rice
Master's Theses and Capstones
Polyamines are low molecular weight nitrogenous compounds found in all living organisms. These omnipresent molecules have been extensively studied in plant systems and have been implicated in a number of physiological responses including growth, development, and stress response. The proposed role of polyamines in vital processes such as cell division and differentiation has sparked enthusiasm in further investigation of this relatively small biosynthetic pathway. Very little is known about the regulation of polyamine biosynthetic genes, an aspect that can elucidate further functions of these ubiquitous compounds. In the following study, the expression profiles of two of these genes, spermidine synthase3 …
Uptake And Growth Effects Of Polycyclic Aromatic Hydrocarbons In Wetland Plants, Alison Watts
Uptake And Growth Effects Of Polycyclic Aromatic Hydrocarbons In Wetland Plants, Alison Watts
Doctoral Dissertations
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous contaminants in estuarine environments, but little is known about the distribution and fate of PAHs in wetland sediments and plants. The effect of PAHs on common salt marsh plants, and the PAH distribution within the plants, sediment, and atmosphere were evaluated to determine if PAHs were transported from the sediment into the plants, and if the PAHs affected plant growth. Four salt marsh plant species, Spartina alterniflora, Phragmites australis, Solidago sempervirens and Distichlis spicata were grown in pots of PAH contaminated sediment containing mean total PAH concentrations of 355 mg/kg (ppm). During the growing …