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Undergraduate Summer Research Experience Joel Ducoste, Thomas Easly, Ron Sederoff, Vincent Chiang NCSU Mark Melton St. Augustine College Objectives Provide summer research experience in Plant Genomics Increase graduate related


  1. Undergraduate Summer Research Experience Joel Ducoste, Thomas Easly, Ron Sederoff, Vincent Chiang NCSU Mark Melton St. Augustine College

  2. Objectives • Provide summer research experience in Plant Genomics • Increase graduate related research opportunity to under-represented groups

  3. Process • Ad was placed at St Augustine’s College and North Carolina State University • Ad was circulated to the biology, chemistry, and all engineering departments • Several students expressed interest and resumes were reviewed.

  4. Undergraduate Summer 2010 Research Results • Two undergraduate students performed research – Ms. Courtney Mosley from St. Augustine’s College, Mr. Jaron Hinton from NC State University. Ms Mosley is a rising senior in Biology. Mr. Hinton is also a senior in Biology specializing in biotechnology and genetics. Undergraduate Research: • Examined enzyme (laccase) activity in transgenic plants • Examined expression pattern of MYB192 and MYB028 genes • Created bacteria containing new transgenic DNA • Cultured bacteria for isolation and purification of plasmid DNA containing genes of interest

  5. Undergraduate 2010 Summer Research Results qRT-PCR Testing of MYB Primers (18S and 028). The peaks of the MYB192 gene on each graph show that this gene expression in P. trichocarpa is weak.

  6. Undergraduate 2010 Summer Research Results Gel after amplification of MYB 028 DNA band approximately 1,600 bps long

  7. Undergraduate 2010 Summer Research Results Bacterial Transformation Figure (left). Confirming that the solution quantity did not affect the amount of clones produced. Figure (right). Confirming that incubation time variations did not affect the efficiency of the bacterial clones.

  8. Undergraduate 2010 Summer Research Results Laccase Activity Assay pH 5.0, 20 ul and 50 ul extracts of wt and miR397a-9 mature leaves, 37C 0.26 0.25 Wild-type leaves 0.24 0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 Transgenic leaves 0.08 0.07 0.06 0.05 0.04 Controls 0.03 0.02 0.01 -Wavelength = 420 nm 0 -0.01 -50 ul protein 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 Time (secs) Vmax Points = 61 -Sodium acetate buffer Well A1 A2 A3 A4 A5 A6 A7 A8 A9 B1 B2 B3 B4 B5 B6 B7 B8 Vmax 0.080 0.685 1.459 1.430 1.411 1.561 4.414 4.760 4.758 1.399 2.416 2.436 2.384 3.340 8.124 8.080 8.155 R^2 0.257 0.986 0.993 0.994 0.995 0.979 0.997 0.996 0.996 0.998 0.978 0.984 0.965 0.994 0.983 0.978 0.980 pH = 5.0 -Samples @ 37°C

  9. Undergraduate 2010 Summer Research Results Analyzed the DNA concentration via the Nano-drop Spectrophotometer. Nucleic Acid Sample ID Conc. (µg/mL) H20 -0.2 397-5 59.7 397-6 43.3 397-7 87.3 397-8 74.6 397-9 91.2 397-10 65.8 397-11 44.9 397-13 34 397-14 62.8 397-15 57.9 397-16 30.8 397-17 56.2 397-18 36.8 397-24 67.4 397-25 45.7 397-26 45.9 397-28 57.9 397-30 56.6

  10. Undergraduate 2010 Summer Research Results Ms Courtney Mosley Research • First Place: St. Augustine Annual Research Presentation Competition

  11. Undergraduate Summer Research 2011 • Two new undergraduate students have been identified – Mr. Jamian Smith from St. Augustine’s College and Mr. Ransford Damptey from NC State University. Mr. Smith is a senior in Engineering Mathematics. Mr. Damptey is a junior with a double major in Chemical Engineering and Applied Mathematics. • Students will be working on the modeling portion of the project • Potential projects include: – Steady State Analysis of Regulatory Signaling model – Steady State Analysis of Metabolic flux model – Development and execution of Continuous Boolean Kinetic model – Uncertainty and Sensitivity analysis of Continuous Boolean Kinetic model

  12. NC STATE UNIVERSITY Undergraduate Summer Research Experience • Questions • Questions • Questions

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