Abstract Format Guidelines

1) Use ARIAL10 and single line spacing.

2) Type the abstract title in bold font.

3) Start a new line for authors’ names, using superscript numbers to denote affiliations, and underline name of presenting author.

4) Provide addresses for the various institutions of the authors, preceding each address with the appropriate superscripted number.

5) Provide the e-mail address of the corresponding author.

6) Leave one line blank. 7) Type the abstract text (maximum 300 words). Do not include any graphics or tables. Please follow the example below.

Example:

Elicitation of stilbenoids in hairy roots of muscadine grape

Cesar Nopo-Olazabal1, John Hubstenberger1 and Fabricio Medina-Bolivar1,2. 1Arkansas Biosciences Institute and 2Dept. of Biological Sciences, Arkansas State University, Jonesboro, AR 72401. E-mail: fmedinabolivar@astate.edu

Stilbenoids are phenolic compounds with important antioxidant and anti-inflammatory properties. These natural products are synthesized by species from unrelated plant families like the Fabaceae and Vitaceae.  In order to study the biochemical and molecular regulation of stilbenoid biosynthesis, hairy roots from muscadine grape (Vitis rotundifolia), a grapevine native to Southeastern United States, were induced by infecting leaves with Agrobacterium rhizogenes strain ATCC 15354. Several hairy root lines were obtained, and line 3A was selected based on their sustained growth in liquid cultures. A growth kinetics analysis of this hairy root line showed an exponential growth between the 6 and 24 days in modified Gamborg’s B5 (BDS) medium.  Hairy roots were grown for 21 days in BDS medium with and without growth regulators (IBA and BAP) and then treated with 100 M methyl jasmonate for 24 hours to induce the synthesis of stilbenoids. The latter compounds were extracted from medium and tissue with ethyl acetate. HPLC analyses of root and media extracts showed the presence of piceid, piceatannol, resveratrol, and trans-ε-viniferin. The addition of growth regulators to the hairy root cultures had no effect on the biosynthesis of these stilbenoid or in the total biomass of the hairy roots.

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