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I
joined the ZRU in November of 2004 under the tutelage of Douglas R.
Call. Here, my primary focus has been identifying a transcriptional
signature of various strains of Listeria monocytogenes after
either an acid or bile stress by utilizing expression microarrrays.
Listeria is a food borne bacteria that results in roughly 500 deaths
nationwide every year. Its hallmark is causing spontaneous abortion
in pregnant women and encephalitis/meningitis in immune-compromised
individuals. This project was initiated with the hope of identifying
a signature(s) that is unique to clinical isolates and therefore may
be indicative of their ability to cause disease compared with
environmental isolates.
Prior
to my joining the ZRU, I worked under Rebecca Blanchard at Fox Chase
Cancer Center studying the pharmacogenetics of sulfotransferase (SULT)
enzymes in relation to cancer risk, incidence, progression, and drug
response. We also examined the SULT4A1 enzyme, which was recently
identified as a possible candidate gene in the neurological disorder
schizophrenia in humans. Before that I worked at the Center for
Neurodegenerative Disease Research at the University of
Pennsylvania. There, we studied most of the neurodegenerative
diseases such as Alzheimer’s disease and Parkinsons as well as some
of the lesser known diseases like Frontotemporal dementia (FTD) and
Progressive Supranuclear Palsy (PSP). My involvement in the center
was in sequencing of the mapTAU gene, which has been strongly
implicated in familial FTD, as well as utilizing QPCR in an attempt
to understand the biology of the mapTAU protein and its isozymes in
relation to neurodegeneration.
My
research interests include anything science. There are very few
things in the scientific community that do not pique my interest and
excite me. But, while science is a major part of my life, my two
beautiful boys and the two children that will be making their
appearance sometime in late May/early June (I am pregnant with
twins) are my world.
Work History and Projects
Associate in Research
Department of Veterinary Microbiology and Pathology
Washington State University Nov 2004 - Present
Gene expression evaluation of thirteen Listeria monocytogenes
strains post acid and bile stresses utilizing microarray technology
with the aim of identifying transcriptional signatures that differ
between environmental and epidemic strains.
Scientific Technician II
Department of Pharmacology
Fox Chase Cancer Center Oct 2003 - Sept 2004
Analysis and description of a novel sulfotransferase, SULT4A1,
through the employment of tissue culture, protein expression with
subsequent enzymological analysis, and generation of a conditional
KO mouse. Pharmacogenetic analysis and subsequent genotype-phenotype
correlation of a liver sulfotransferase, SULT1A1.
Research Specialist A
Center for Neurodegenerative Disease Research
Department of Pathology and Laboratory Medicine
University of Pennsylvania Oct 2000 - Sept 2003
Utilization of sequencing, quantitative fluorescent RT-PCR, and
other molecular techniques in the elucidation of neurodegenerative
tauopathies. Exploring the use of archived tissue in RNA microarray
and gene expression studies.
Research Associate
Department of Pediatrics/Infectious Diseases
University of Michigan / MCP Hahneman University May 1999 - Sept
2000
The description and study of clinical and environmental
Burkholderia cepacia isolates utilizing a polyphasic analysis.
Research Fellow
Department of Neurology/Pediatrics
University of Colorado Health Sciences Center June 1998 - April 1999
The study of chloride homeostasis in neurons in relation to
seizure disorders in children.
Research Technician
Department of Microbiology
Colorado State University Jan 1998 - June 1999
The effect of progesterone on Herpes Simplex Virus latency
Technical Expertise / Skills
Molecular Biology
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Pulsed field gel electrophoresis
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RAPD fingerprinting analysis
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RNA and DNA (genomic, plasmid, and BAC) isolation, purification,
and quantitation from tissue, cell culture, paraffin embedded tissue
(PET), and bacteria
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Cloning – directional, TA, and in frame
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Electroporation and chemical transformation
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Genetic engineering of a conditional KO mouse using recombineering
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RFLP design, implementation, and analysis
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Reverse transcription (with and without labeling) and polymerase
chain reaction
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Generation of RNA probes for use in in situ hybridization and
Northern analyses
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Generation of DNA probes for use in dot blot and Southern analyses
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Numerous RNA techniques: poly-A selection; Northern Analysis; in
vitro Transcription; RNA amplification; expression analysis via microarray and qPCR;
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Primer and probe design for both diagnostic, “real-time” PCR, and
sequencing
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Sequencing utilizing capillary electrophoresis
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DNA dot blot analysis
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Microarray techniques and data analysis
Tissue Culture
- Mammalian cell culture
- Transfection – stable and transient
- Insect cell culture (Sf9)
- General bacteriology
aseptic technique phenotypic analysis of
bacterial isolates
Biochemistry
- Protein expression and purification (Bacterial and Baculoviral
expression)
- Radioactive analysis of enzyme preparations
- Coomassie and Western Analysis
- Bradford assay
- Enzyme activity assay development
- Enzyme kinetics
Histochemistry
- Fixing, Embedding and Cutting PET sections
- Slide preparation
- Immunohistochemistry
- Some fluorescent staining
Equipment/Instrumentation
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Applied Precision Array Scanner
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Smart Cycler (Cepheid) operation and optimization
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BioRad iCycler iQ real-time PCR detection system
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Fluorescent, phase contrast, stereo, and light microscope
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Laser Capture Microscope by SL Microtest
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CEQ8000XL DNA Sequencer by Beckman Coulte
Computer/Software Experience
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Quantity One software by BioRad
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Lasergene software: SeqMan, EditSeq, MapDraw (DNASTAR)
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CEQ Sequencing software (all aspects)
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Spotfinder 3.0 (TIGR)
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ArrayWoRx (Applied Precision)
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Sequencher
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BioRad iCycler iQ Softare
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SeqWeb (GCG)
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Smart Cycler Software 2.0
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SAM software
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GeneSpring by Silicon Genetics
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MacVector
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Adobe Photoshop
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Oligo 6
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SpectraMax Software
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Microsoft Office (all aspects)
General Laboratory Management Skills
- Supervising and training of junior lab technicians and summer
students
- Ordering of lab supplies
- General lab maintenance including dish washing, solution
preparation, and
autoclaving
Manuscript Preparation
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Data analysis and compilation for publication
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Protocol composition
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Assistance with first draft
Publications
Van Deerlin VM, Gill LH,
Farmer JM, Trojanowski JQ, Lee VM, Familial frontotemporal dementia:
from gene discovery to clinical molecular diagnostics. Clinical
Chemistry, 2003 Oct: 49 (10): 1717-25. Review.
Van Deerlin VM, Gill LH, Nelson PT, Optimizing gene expression
analysis in archival brain tissue. Neurochemical Research, 2002 Oct:
27 (10): 993-1003
Karsten SL, Van Deerlin VM, Sabatti C, Gill LH, Geschwind DH, An
evaluation of tyramide signal amplification and archived fixed and
frozen tissue in microarray gene expression analysis. Nucleic Acids
Research, 2002, Jan 15, 30(2):E4
LiPuma JJ, Spilker T, Gill L, Campbell PW, Lixia L, Mahenthiralingam
E, Disproportionate distribution of Burkholderia cepacia complex
species and transmissibility markers in cystic fibrosis. American
Journal of Respiratory and Critical Care Medicine, 2001 Jul
1;164(1):92-6
Staff List
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