Sexual Plasticity and Gametogenesis in Fishes

Balasubramanian Senthilkumaran (Editor)
Department of Animal Sciences, School of Life Sciences-Centre for Advanced Studies, University of Hyderabad, Hyderabad, AP State, India

Series: Fish, Fishing and Fisheries, Marine Biology
BISAC: SCI039000

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Volume 10

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Special issue: Resilience in breaking the cycle of children’s environmental health disparities
Edited by I Leslie Rubin, Robert J Geller, Abby Mutic, Benjamin A Gitterman, Nathan Mutic, Wayne Garfinkel, Claire D Coles, Kurt Martinuzzi, and Joav Merrick

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Sex determination, differentiation and gamete maturation are well organized molecular events in vertebrates. In vertebrates, sex determination and differentiation are two important events in the development of gonads (testis or ovary). Sex determination is the genetic (sex chromosomes) or environmental process by which the sex (male or female) of an individual is established. During embryonic development, primordial germ cells migrate from the site of origin to the gonadal primordia, where they differentiate along with somatic cells and finally form the indifferent/bipotential gonads.

Depending on the action of various factors, the bipotential gonads give rise to either testis or ovaries. In most vertebrates, excluding fishes and some amphibians, the event of sex determination is controlled genetically, and later, the progression of gonadal development is controlled by hormones and other factors. Interestingly, these processes in fishes are controlled not only genetically, but also through hormones or environmental factors. These characteristics make fish the champions of sex reversal and serve as excellent animal models to precisely understand sexual development. The next interesting aspect is meiotic maturation which is essentially mediated by gonadotropins and progesterone metabolites to trigger final gamete maturation in fishes which is different from mammals. The novel aspects pertaining to gamete maturation has been studied in great detail in fish which depicts precise regulatory events of gamete maturation. (Imprint: Nova Biomedical )

Preface

Chapter 1: Involvement of Neuropeptides in Gonadotropin Secretion in Teleost Fish
(Masafumi Amano, School of Marine Biosciences, Kitasato University, Sagamihara, Kanagawa, Japan)

Chapter 2: Neuroendocrine Control of Lunar-Synchronized Spawning Rhythm in Grass Puffer
(Hironori Ando, Taro Ikegami, Yusuke Maruyama, Md. Shahjahan, Atsuhiko Hattori, Sado Marine Biological Station, Faculty of Science, Niigata University, Sado, Niigata, Japan, and others)

Chapter 3: Cytokines as Intraovarian Mediators of Luteinizing Hormone-Induced Ovulation in Fish
(Diego Crespo, Kousik Pramanick, Josep V. Planas, Departament de Fisiologia i Immunologia, Facultat de Biologia, Institut de Biomedicina de la Universitat de Barcelona (IBUB), Universitat de Barcelona, Barcelona, Spain)

Chapter 4: Teleosts as Model for Environmental Risk Assessment
(Aparna Dutta-Gupta, Department of Animal Sciences, School of Life Sciences-Centre for Advanced Studies, University of Hyderabad, P. O. Central University, Hyderabad, Andhra Pradesh, India)

Chapter 5: Atherinopsid Fishes as Models for the Study of Temperature-Dependent Sex Determination: Physiology of Gonadal Sex Differentiation in Pejerrey Odontesthes Bonariensis
(Juan I. Fernandino, Ricardo S. Hattori, Carlos A. Strüssmann, Gustavo M. Somoza, Instituto de Investigaciones Biotecnológicas-Instituto Tecnológico de Chascomús, (CONICET-UNSAM), Chascomús, Argentina, and others)

Chapter 6: Developmental Aspects of Reproductive Hormones in Fish
(Jon Hildahl, Norwegian School of Veterinary Science, Department of Basic Sciences and Aquatic Medicine, Oslo, Norway)

Chapter 7: Dimorphisms in the Brain and Involvement of Various Neurosubstances in Fish Reproduction: An Overview
(Arun G. Jadhao, Department of Zoology, RTM Nagpur University Campus, Nagpur, India)

Chapter 8: Ovarian Catecholestrogens: Role in Final Oocyte Maturation
(K.P. Joy, R. Chaube, Department of Zoology, Centre of Advanced Study, Banaras Hindu University, Varanasi, India, and others)

Chapter 9: Understanding the Mechanism of Oocyte Maturation and Ovulation to Induce Spawning for Seed-Production in the Japanese Eel: Tough and Challenging Task
(H. Kagawa, Department of Marine Biology and Environmental Sciences, Faculty of Agriculture,University of Miyazaki, Miyazaki, Japan)

Chapter 10: Transgenic Medaka Lines with a Visible Marker for Phenotypic Sex: Genetic Analyses of an XY Sex-Reversal
(Akira Kanamori, Naoya Ichikawa, Michiko Ishikawa, Laboratory of Molecular Genetics, Division of Biological Sciences, Graduate School of Science, Nagoya University, Chikusa, Nagoya, Japan)

Chapter 11: Hypothalamic Regulation of Pituitary Gonadotropins
(Takashi Kitahashi, Md. Shahjahan, Ishwar S. Parhar, Brain Research Institute, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Sunway Campus, PJ, Malaysia)
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Chapter 12: Sexual Plasticity of Behavior in Goldfish
(Makito Kobayashi, Seiji Saoshiro, Yutaro Kawaguchi, Youichi Hayakawa, Arimune Munakata, Department of Life Science, International Christian University, Mitaka, Tokyo, Japan and others)

Chapter 13: Molecular Mechanisms of Gonadal Sex Differentiation and Sex-Reversal in Fish: Tilapia and Medaka
(Tohru Kobayashi, Laboratory of Molecular Reproductive Biology, Institute for Environmental Sciences, University of Shizuoka, Shizuoka, Japan)

Chapter 14: Physiological and Endocrinological Mechanisms of Sex Change in the Grouper
(Yasuhisa Kobayashi, Ryosuke Murata, Masaru Nakamura, Tropical Biosphere Research Center, Sesoko Station, University of the Ryukyus, Sesoko, Motobu-cho, Kunigami-gun, Okinawa, Japan, and others)

Chapter 15: Some Non-Classical Intragonadal Regulators of Fish Reproduction
(Bechan Lal, Department of Zoology, Banaras Hindu University, Varanasi, India)

Chapter 16: Involvement of Brain-Pituitary-Gonadal Axis on the Regulation of the Reproductive Cycle in Female Chub Mackerel
(Michiya Matsuyama, Sethu Selvaraj, Mitsuo Nyuji, Hirofumi Ohga, Laboratory of Marine Biology, Faculty of Agriculture, Kyushu University, Hakozaki, Higashi-ku, Fukuoka, Japan)

Chapter 17: Teleosts are Classical Models for the Study of Oogenesis and Shift in Steroidogenesis
(Raju Murugananthkumar, Balasubramanian Senthilkumaran, Department of Animal Sciences, School of Life Sciences-Centre for Advanced Studies, University of Hyderabad, P.O. Central University, Hyderabad, Andhra Pradesh, India)

Chapter 18: Function of Germ Cells in Sex Differentiation
Toshiya Nishimura, Minoru Tanaka, Laboratory of Molecular Genetics for Reproduction, National Institute for Basic Biology, Okazaki, Japan)

Chapter 19: Fish Gonadotropin Receptors
(Yuichi Oba, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan)

Chapter 20: Regulation of Teleost Reproduction by Brain-Pituitary Axis
(P.D. Prasada Rao, National Environmental Engineering Research Institute, Nehru Marg, Nagpur, India)

Chapter 21: Perspectives on the Gonadotropin-Releasing Hormone Gonadotropins-Monoamines: Relevance to Gonadal Differentiation and Maturation in Teleosts
(Yarikipati Prathibha, Chawngte Laldinsangi, Balasubramanian Senthilkumaran, Department of Animal Sciences, School of Life Sciences-Centre for Advanced Studies, University of Hyderabad, P.O. Central University, Hyderabad, Andhra Pradesh, India)

Chapter 22: Zebrafish as a Vertebrate Model System for Developmental Biology and Biomedical Research
(Kavarthapu Raghuveer, Section on Molecular Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA)

Chapter 23: Sperm Maturation in Teleosts: Role of Androgens and Progestins in Our Present Understanding to Emerging New Concepts
(Anbazhagan Rajakumar, Balasubramanian Senthilkumaran, Department of Animal Sciences, School of Life Sciences-Centre for Advanced Studies, University of Hyderabad, P.O. Central University, Hyderabad, Andhra Pradesh, India)

Chapter 24: Expression Profiling of Various Marker Genes Involved in Gonadal Differentiation of Teleosts: Molecular Understanding of Sexual Plasticity
(Chenichery Sudhakumari, Balasubramanian Senthilkumaran, Department of Animal Sciences, School of Life Sciences-Centre for Advanced Studies, University of Hyderabad, P.O. Central University, Hyderabad, India)

Chapter 25: Membrane Progestin Receptor, a Key Mediator of Final Oocyte Maturation in Fish
(Toshinobu Tokumoto, Department of Biology, Faculty of Science, Shizuoka University, Shizuoka, Japan)

Index

Audience:
For Students and Teachers: Master in Fisheries Sciences, Master of Science in Biotechnology, Zoology, Physiology, Life Sciences and Animal Biotechnology.
For Industries: Aquaculture industries
For Research: Research group working in Fish Molecular Endocrinology and Sexual Development.

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