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Millersville University Biology Department |
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Education:
B.S., Morningside College
M.S. and Ph.D., University of Notre Dame
Courses Taught:
BIOL 100 -- General Biology
BIOL 154/155 -- Human Anatomy and Physiology
BIOL 437 -- Endocrinology
BIOL Comparative Anatomy
Areas of Specialization:
Insect Biochemistry, Endocrinology and Neuroendocrinology.
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Research Interest(s):
My research is involved with the determination of
the roles of hormones in ovarian development and metamorphosis
of mosquitoes. I have had several students involved
in various aspect of this problem. One student developed
an in vitro assay to monitor the ecdysone producing
activity of the autogenous mosquito, Toxorhynchites
brevapalpis. Another worked on the isolation the
Egg Development Neurosecretory Hormone in Aedes aegypti.
And a third performed an immunocytological study of
neurosecretory cells in Aedes aegypti.
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Selected Publication(s):
1992.
Steroidogenic activity in prothoracic gland cells
of retrocerebral complexes of fourth instar mosquitoes.
American Society Of Zoologists 31(5):87. (with D.
Sonnen)
1989. Ecdysteroid titres during pupal-adult development
in Aedes aegypti: Basic for a sexual dimorphism in
the rate of development. J. Insect Physiol., 35(1):
67-73.
1987. Isolation and partial purification of gonadotrophic
factors in heads of pupal and adult Aedes aeqypti.
Mol. Cell. Endocrinol. 50:3-14. (with T. Kelly &
W. Bollenbacher)
1987. Regulation of juvenile hormone biosynthesis
by 20- hydroxyecdysone during the fourth larval instar
of the tobacco hornworm, Manduca sexta. Gen. Comp.
Endocrinol. 66:62-70. (with R. Watson, N. Granger,
& W. Bollenbacher)
1986. Interendocrine regulation of the prothoracic
glands and corpora allata of Manduca sexta. Insect.
Biochem. 16(1):149-155. (with R. Watson, N. Granger,
& W. Bollenbacher)
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