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Full-Text Articles in Life Sciences

In Silico Analysis Of Terpene Synthase Genes In Arabidopsis Thaliana, Sam Zwenger, Chhandak Basu Jan 2007

In Silico Analysis Of Terpene Synthase Genes In Arabidopsis Thaliana, Sam Zwenger, Chhandak Basu

Biological Sciences Faculty Publications

Terpenes are defense chemicals found in wide groups of plants. Terpenoids play a large role in plant development and stress response. The terpene synthase family comprises a diverse set of genes, all which contribute to production of terpenoids. We have used tools of bioinformatics and performed an in silico analysis of developmental and tissue specific terpene synthase gene expression in Arabidopsis thaliana, as well as those expressed due to biotic and abiotic environmental stimuli. Using software tools from Genevestigator, a powerful microarray analyzer, we used multiple tool sets to better understand terpene synthase expression in Arabidopsis, which will hopefully open …


Structural Attributes Of The Hypogeous Holoparasite Hydnora Triceps Drège & Meyer (Hydnoraceae), Kushan U. Tennakoon, Jay F. Bolin, Lytton J. Musselman, Erika Maas Jan 2007

Structural Attributes Of The Hypogeous Holoparasite Hydnora Triceps Drège & Meyer (Hydnoraceae), Kushan U. Tennakoon, Jay F. Bolin, Lytton J. Musselman, Erika Maas

Biological Sciences Faculty Publications

The morphology of the hypogeous root holoparasite Hydnora triceps is highly reduced, and as with many holoparasites, the vegetative body is difficult to interpret. The vegetative body of H. triceps has been historically considered a "pilot root" studded with lateral appendages known as "haustorial roots." We found the vegetative body of H. triceps to consist of a rhizome with a thickened root-cap-like structure that covered a vegetative shoot apical meristem. From the apical meristem, procambial strands originated and developed into endarch collateral vascular bundles arranged radially around a pith without an interfascicular cambium. Xylem vessels had scalariform pitting and simple …