Position: Postdoctoral Research Fellow
Education and Training
Bangladesh Agricultural University,
Bangladesh B.Sc.(Hons.)
1997
Fish Biology
Bangladesh Agricultural University,
Bangladesh
M.S.
1998
Fish Biology
Hokkaido University, Sapporo,
Japan
Ph.D.
2002
Comparative Endocrinology
Work Experience:
1997-1998 Teaching Assistant with Dr. Arshad Hossain,
Faculty of Fisheries, Bangladesh
Agricultural University, Bangladesh
1998-1999 Research Assistant with Dr. Hiroshi Ueda,
Hokkaido University, Sapporo, Japan
1999-2002 Ph.D. Fellow with Dr. Kohei Yamauchi, Hokkaido
University, Hakodate, Japan
2002-2003 Tentative Lecturer with Dr. Masaru Nakamura,
University of the Ryukyus,
Okinawa, Japan
2003-2005 JSPS Postdoctoral Fellow with Dr. Yoshitaka
Nagahama, National Institute for
Basic Biology, Japan
2005-2006 Postdoctoral Research Associate with Dr.
Yoshitaka Nagahama, National Institute
for Basic Biology, Japan
2006- to date Postdoctoral Research Associate with Dr.
Michael Skinner, Washington State University, Pullman,
WA.
REVIEWS
Nakamura M. Alam, M.A., Kobayashi, Y. and Bhandari, R.K.
(2007). The role of sex hormones in sex
change of grouper, Epinephelus merra. Journal of Marine
Science and Technology-Taiwan, Special
issue 15: 23-27.
Nakamura M., Kobayashi, Y., Miura, S. Alam, M.A., and
Bhandari R.K. (2006). Sex change in coral
reef fish. Fish Physiology and Biochemistry 31: 117-122.
Bhandari, R.K., Alam, MA., Soyano, K., Nakamura, M.
(2007). Female-male sex change in grouper. in
preparation.
ARTICLES IN PREPARATION
Bhandari, R.K., and et. al. (2008). Generation of medaka
transgenic lines with GFP fluorescence in
the ovarian follicle cells: a tool for studying the
development of ovarian follicle cells and female
sex
differentiation (in preparation).
Bhandari, R.K., and et. al. (2008). Neural and peripheral
responses of brain aromatase to
environmental stressors in the living medaka. (in
preparation).
Bhandari, R.K., and et. al. (2008). Gonochoristic fish
maintain their sexual plasticity to adulthood.
*Equal contribution (in preparation)
Bhandari, R.K., and et. al. (2008). Methyl-testosterone
treatment suppresses reproductive axis of the
pre-pubertal Cichlid fish, Nile tilapia. (in preparation)
PEER-REVIEWED ARTICLES
Kojima, Y. Bhandari, R.K., Kobayashi, Y. and Nakamura M.
(2008). Male-to-female sex reversal of
primary male wrasse with estrogen treatment. General and
Comparative Endocrinology. 156:628-632.
Westring, C.G., Ando, H., Kitahashi, T., Bhandari, R.K.,
Ueda, H., Urano, A., Dores, R.M., Sher,
A.A. and Danielson, P.B. (2008). Seasonal changes in
CRF-I and urotensin I transcript levels in masu
salmon: Correlation with cortisol secretion during
spawning. General and Comparative Endocrinology,
155: 126-140.
Komatsu, T. Bhandari, R.K., Nakamura, M. (2006).
Acceleration of precocious spermatogenesis in
under-yearling Golden Rabbitfish (Siganus guttatus,
Bloch) by GnRHa treatments. Aquaculture 257:
558-565.
Alam, M.A., Bhandari, R.K. ,Kobayashi, Y., Soyano K., and
Nakamura, M., (2006). Induction of sex
change within two full moons during breeding season and
spawning in grouper. Aquaculture 255: 532-
535.
Alam, M.A., Bhandari, R.K., Kobayashi, Y., Soyano, K.,
and Nakamura, M. (2006). Changes in
androgen-producing cell size and circulating
11-ketotestosterone levels during female-to-male
sex
change in Honeycomb grouper (Epinephelus merra).
Molecular Reproduction and Development.
73(2):206-14.
Bhandari, R.K., Alam, M.A.,, Soyano K., and Nakamura, M.,
(2006). Induction of female-to-male sex
change in the honeycomb grouper (Epinephelus merra) by
11-ketotestosterone treatments. Zoological
Science 23: 65-69.
Bhandari, R.K., Nakamura, M., Kobayashi, T., and
Nagahama, Y. (2006). Suppression of
steroidogenic enzyme expression during androgen-induced
sex reversal in Nile tilapia (Oreochromis
niloticus). General and Comparative Endocrinology 145:
20-24.
Bhandari, R.K., Alam, M.A., Higa, M. Soyano, K.,
Nakamura, M. (2005). Evidence that estrogen
regulates the sex change of honeycomb grouper
(Epinephelus merra), a protogynous hermaphrodite
fish. Journal of Experimental Zoology 330A: 497-503.
Jodo, A.., Kitahashi, T., Taniyama, S., Bhandari, R.K.,
Ueda, H., Urano, A. and Ando, H. (2005).
Seasonal variations in expression of five subtypes of
gonadotropin-releasing hormone receptor genes
in the brain of masu salmon from immaturity to spawning.
Zoological Science 22: 1331-1338.
Luo, Q., Ban, M., Ando, H., Kitahashi, T., Bhandari,
R.K., McCormick, S.D. and Urano, A. (2005).
Distinct effects of 4-nonylphenol and estrogen-17beta on
expression of estrogen receptor a gene in
smolting sockeye salmon. Comparative Biochemistry and
Physiology. 140C: 123-130.
Alam, M.A., Komuro, H., Bhandari, R.K. , Nakamura, S.,
Soyano, K., and Nakamura, M. (2005).
Immunohistochemical evidence identifying the site of
androgen production in the ovary of the
protogynous grouper Epinephelus merra . Cell and Tissue
Research 320: 323-329.
Bhandari, R.K., Komuro, H., Higa, M., and Nakamura, M.
(2004). Sex inversion of sexually immature
honeycomb grouper (Epinephelus merra) by aromatase
inhibitor. Zoological Science 21 (3): 305-310.
Bhandari, R.K., Higa, M., Nakamura, S. and Nakamura, M.
(2004). Aromatase inhibitor induces
complete sex change in a protogynous honeycomb grouper,
Epinephelus merra. Molecular
Reproduction and development, 67(3): 303-307.
Miura, S., Komatsu, T., Higa, M., Bhandari, R.K.,
Nakamura, S. and Nakamura, M. (2003). Gonadal
sex differentiation in protandrous anemone fish,
Amphiprion clarkii. Fish Physiology and
Biochemistry
28: 165-166.
Nakamura, M., Bhandari, R.K. and Higa, M. (2003). The
role estrogens play in sex differentiation and
sex changes of fish. Fish Physiology and Biochemistry 28:
113-117 (Review).
Bhandari, R.K. Komuro, H., Nakamura, S., Higa, M., and
Nakamura (2003). Gonadal restructuring
and correlative steroid hormone profiles during natural
sex change in protogynous honeycomb
grouper, Epinephelus merra. Zoological Science 20:
1399-1404.
Bhandari, R.K., Higa, M., Komuro, H., Nakamura, S. and
Nakamura, M. (2003). Treatments with an
aromatase inhibitor induces complete sex change in
protogynous honeycomb grouper (Epinephelus
merra). Fish Physiology and Biochemistry 28: 141-142.
Bhandari, R.K., Taniyama, S., Kitahashi, T., Ando, H.,
Yamauchi, K., Zohar, Y., Ueda, H., and Urano,
A. (2003). Seasonal changes of responses to
gonadotropin-releasing hormone analog in expression
of
growth hormone/prolactin/somatolactin genes in the
pituitary of masu salmon. General and
Comparative Endocrinology 130: 55-63.
Bhandari, R.K., Ushikoshi, I., Fukuoka, H., Koide, N.,
Yamauchi, K., and Ueda, H. (2002). Effects of
Rhizopus extract administration on somatic growth and
sexual maturation in lacustrine sockeye
salmon, Oncorhynchus nerka. Fisheries Science. 68 (4):
776-782.
INVITED SEMINARS
July 05, 2006. Past, present and future of our research
on sexual plasticity in fish. Invited Seminar at
Sesoko Station, Tropical Biosphere Research Center,
University of the Ryukyus, Okinawa, Japan.
(Host: Prof. Masaru Nakamura, UoR).
March 01, 2006. Sexual plasticity in fish. Department of
Biological Sciences, University of Idaho,
Moscow, USA. (Host: Department of Biological Sciences,
UI, Moscow ID, USA).
February 27, 2006. Sexual plasticity in fish. Northwest
Fisheries Science Center, NOAA-National
Marine Fisheries Service, Seattle WA, USA. (Host: Dr.
Penny Swanson, NOAA).
January 27, 2006. Sexual plasticity in fish. Special
lecture to graduate students and postdocs at
University of the Ryukyus, Okinawa, Japan. (Host: Prof.
Masaru Nakamura, UoR)
June 21, 2005. Consequences of estrogen removal in female
fish. Invited Seminar at Sesoko Station,
Tropical Biosphere Research Center, University of the
Ryukyus, Okinawa, Japan. (Host: Prof. Masaru
Nakamura, UoR).
November 8, 2005. A primary factor regulating female to
male sex change in honeycomb grouper
(Epinephelus merra). Joint Symposium on fish reproduction
and aquaculture. International Coral Reef
Research and Monitoring Renter, Ishigaki, Japan. (Host:
Prof. Masaru Nakamura, UoR)