USDA-ARS
National Center for Natural
Products Research
Room Q201
Tel: 662-915-1011
email: jhowell@olemiss.edu J'Lynn works
with Dr. Dayan doing bioassays and other plant
pathology lab work.
Education
12/95 M.S.
Horticulture; Minor in Biochemistry and Molecular
Biology
Mississippi State University;
Mississippi State, MS
Thesis: Initial Studies in the
Isolation of the Root-Knot Nematode
Resistance Gene in Inbred Corn
Line Mp307.
5/77 B.S. Ornamental
Horticulture
Mississippi State University;
Mississippi State, MS
Work Experience
6/01-Present Biological Science
Laboratory Technician
USDA-ARS-NPURU; University, MS;
Dr. Scott R. Baerson, Supervisor
8/00-6/01 Associate
Research and Development Staff
National Center for Natural
Products Research; School of Pharmacy;
Research Institute of Pharmaceutical Science;
University of Mississippi;
Dr. Samir A. Ross, Supervisor
· Perform quantitative analyses of
medicinal plant tissues
· Initiate and maintain in vitro
cultures of medicinal plants; optimize
micropropagation protocols for medicinal plants
· Maintain and analyze data and literature
· Cultivate and breed medicinal plants to
increase potency levels of active
compounds
· Assist in the design of new plant tissue
culture lab for cloning and molecular
studies of medicinal plants
· Conform to Good Manufacturing Practices
(GMP) laboratory protocols
8/99-8/00 Senior
Research Technician
Department of Medicinal
Chemistry; School of Pharmacy; University of
Mississippi;
Dr. John K. Buolamwini, Supervisor
· Assisted in the design and optimization
of research protocols involving the use of
antisense oligonucleotides to downregulate the
gene expression of nucleoside
transporters in mammalian cancer cells
· Assisted in the design and optimization
of research protocols involving the
identification of natural and synthetic compounds
exhibiting inhibition or blocking
of nucleoside transport in mammalian cancer cells
· Executed said protocols and assisted in
the analysis of results of same
· Optimized high throughput assay for
identifying nucleoside transport inhibition in
adherent cancer cells
1/96-6/99 Lab Director,
Technician, and Horticulturist
Orchids of Oxford/ Rolling
Hills Plant Farm; 32 County Road 311; Oxford, MS
38655; Anne W. Thompson, Owner
Lab Director
· Established and optimized
micropropagation techniques for commercial
production of orchids
· Conducted research and development of
protocols for asymbiotic germination, protocorm
proliferation, callus generation, somatic
embryogenesis, adventitious regeneration, and
rapid
clonal multiplication of orchid species and
hybrids
· Launched and managed plant tissue
culture lab for commercial production of orchids
· Designed and implemented an in-house
program for pollination, data collection, seed
harvesting and storage of, primarily, species
orchids
· Participated in an international species
orchid seed exchange program promoting
production of species orchids through asymbiotic
germination to aid orchid
preservation and conservation by reducing the
demand for wild orchids harvested
from native habitats
Technician
· Pollinated orchids for selfings, sibling
crosses, out-crosses and hybrid crosses
· Tracked capsule maturity and harvested
orchid seeds
· Initiated asymbiotic germination of
orchid seeds and made transfers to deflasking
stage
· Deflasked orchid seedlings and
maintained compots in greenhouse
· Performed tissue culture stages 0-4 for Phalaenopsis
cloning program
Horticulturist
· Consultant for institutional, commercial
and residential clients
· Performed landscape design, installation
and maintenance, nursery management,
and greenhouse production and maintenance
· Scheduled and implemented program for
fertilization, pruning, irrigation, and insect,
disease, and weed management for landscape
clients, woody plant nursery
and greenhouse range
· Supervised crop scheduling for seasonal
green products, seed and vegetative
propagation of annual bedding plants, perennials,
tropical foliage, and woody plant
materials for wholesale and retail sales
1/93-12/95 Graduate
Research Assistant
Department of Plant and Soil
Science; College of Agriculture; Mississippi
State
University; Dr. Nancy A.
Reichert, Advisor
Plant molecular biology
research
· RNA/DNA extraction, purification and
quantification
· mRNA isolation
· cDNA library construction
· Subtractive hybridization
· Differential screening
· Phagemid DNA preparation
· Subcloning
· Radiolabeled probe construction
· Northern and Southern analyses
· In vivo translation and protein
preparation
· One- and two-dimensional gel
electrophoresis
· Agrobacterium-mediated genetic
transformation
· Short-term and long-term bacterial stock
maintenance
Plant tissue culture
research
· Micropropagation, rapid clonal
multiplication, organogenesis, adventitious
regeneration,
and somaclonal variation of various agricultural
and horticultural crop plants
· Developed protocol for student
laboratory exercise in in vitro potato
microtuberization
Greenhouse/field research
· Greenhouse bedding plant production
· Field-grown perennial cut flower
production
· Alternative growing media amendments
studies
5/88-12/92 Horticulturist,
Office Manager
Southern Landscape Management,
Inc.; Jackson, MS; Mark S. Robinson, Owner
Horticulturist
· Designed, installed, and maintained
commercial and residential landscapes
· Designed, installed, and maintained
seasonal and perennial color beds
· Consultant for residential and
commercial clients
· Supervised landscape crews
Office Manager
· Performed job cost estimates, bidding,
sales and plant procurement for landscape
accounts
· Kept full set of books including general
ledger, payroll, accounts payable, accounts
receivable, profit and loss statements, inventory
and job cost statements
10/80-7/82 Executive
Secretary
Press Office; Office of the
Governor; State of Mississippi; Jackson, MS
· Assistant to the Press Secretary
· Initial contact person for local and
national press
· Composed routine correspondence and
press releases
· Assisted legislative staff by
coordinating constituency file for education
reform
and economic development issues
10/78-8/80 Legal
Secretary
Watkins Pyle Ludlam Winter and
Stennis, Attorneys at Law; Jackson, MS
· Prepared industrial development revenue
bond documents, securities filings, and
pleadings before federal, state, and local
regulatory agencies
· Performed routine secretarial duties
8/76-8/78 Landscape
Horticulturist
Campus Landscape Department;
Mississippi State University; Mississippi State,
MS
· Designed and implemented an annual
program of chemical pest and weed control,
fertilization, pruning, and irrigation for 4,000
acre campus
· Designed, installed and maintained
seasonal annual plantings
· Supervised two work crews of three to
five people per crew
Teaching Experience
5/00-8/00 Mentor
NIH Summer Program for Short
Term Training for Minority Students in
cardiovascular
research; Department of Medicinal Chemistry;
School of Pharmacy; University of Mississippi
· Train one student in assaying natural
products to identify nucleoside transport
inhibitors
· Train one student in the use of
antisense oligonucleotides to downregulate gene
expression of nucleoside transporters in
mammalian cancer cells
· Train both students in good lab
practice, aseptic technique, mammalian cell
culture,
data management, culture media preparation,
solution preparation to specified molar
concentrations
1/94-12/95 Graduate
Teaching Assistant
Department of Plant and Soil
Science; Mississippi State University
Courses Introduction
to Plant Science (laboratory)
Plant Tissue Culture
(laboratory)
· Prepared materials required for
laboratory exercises
· Presented lecture and/or demonstration
for laboratory exercises
· Assisted students in performance of
laboratory exercises
· Assisted professor in exam preparation
and grading
8/76-5/77 Teaching
Assistant
Horticulture Department,
Mississippi State University
Courses Nursery
Management (laboratory)
Plant Propagation (laboratory)
· Prepared materials required for
laboratory exercises
· Assisted professor in demonstration of
laboratory techniques
· Assisted students in performance of
laboratory exercises
Technical
Skills/Instrumentation
· Aseptic technique
· Plant tissue culture techniques
· Molecular biology techniques
· Mammalian cancer cell culture
· Data management - databases,
spreadsheets, statistics, laboratory
manuals, digital photo galleries
· Flow cytometry
· Electrophoresis - agarose, SDS-PAGE,
Isoelectric focusing
· Fluorescent plate reader
· Spectrophotometry
· Gas chromatography
· Digital photography, film photography
· Fertilizer, pesticide, and herbicide
calculation and application
Computer Skills/Software
(PC and Mac)
· Windows 3.x, 95, 98, NT
· Microsoft Office 2000 - Word, Excel,
Power Point
· Microsoft Access 5.0
· WordPerfect 7.0
· Adobe Photoshop 5.0
· Adobe PhotoDeluxe 2.7
· GraphPad Prism 2.0
Special Training and
Certification
· Radiation Safety Training, 1999-2000,
1993-1995
· Biological Safety Training, 1999-2000
· Chemical Safety Training, 1999-2000
· Licensed Landscape Gardener, MS,
1988-1995
· Licensed Pesticide Applicator, MS,
1988-1995
· Licensed Weed Control Specialist, MS,
1988-1995
Publications
1. Howell, J.,
S. Dueitt, and S. Newman. 1993. Kenaf fiber core
as a vermiculite substitute
in peat-based media for growing greenhouse
bedding plants.
Proc. SNA Research 38th
Annual Rep. pp. 59-62.
2. Dueitt, S., J.
Howell, and S. Newman. 1993. Rice hulls
as a vermiculite
substitute in peat-based media
for growing greenhouse bedding plants. HortScience
28: 216.
3. Powell, K., J.
Howell, and J. Buolamwini. 2000. ES
nucleoside transporter
binding of natural extracts.
NIH NHLBI STTMS Cardiovascular Biomedical
Research
Program Poster Session.
4. Stewart, M., R. Buford, J.
Howell, and J. Buolamwini. 2000.
Synthesis and ES nucleoside
transporter activity of S6-(4-Picolyl-N-Oxo)Mercaptopurine
Riboside. NIH NHLBI STTMS
Cardiovascular Biomedical Research Program Poster
Session.
Presentations
1. J. Howell
and N. Reichert. 1995. The improvement of
horticultural crops
through corn research. Norman
F. Childers Graduate Student Paper
Competition, Southern Region
-American Society for Horticultural Science;
New Orleans, LA.
2. J. Howell and
A. Thompson. 1999. Micropropagation of orchids.
Memphis Orchid
Society, invited speaker; Memphis, TN.
3. J. Howell.
1998. Orchids from test tubes. Oxford Garden
Club, invited speaker; Oxford, MS.
4. J. Howell.
1999. Plant tissue culture of orchids. Meridian
Master Gardener's Tour, host
and speaker; Oxford, MS.
Affiliations and Awards
· Second place award for Norman F.
Childers Graduate Student Paper Competition, 2/95
· Graduate Student Council, 1994-1995
· Member, Gamma Sigma Delta, honorary
agricultural fraternity, since 1976
· B.S. conferred With Distinction, 6/77
· President's Scholar 5 semesters
· Dean's Scholar 2 semesters
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