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Sexual Plasticity and Gametogenesis in Fishes Fish Fishing and Fisheries Marine Biology 1st Edition by Balasubramanian Senthilkumaran ISBN 978-1626188488 1626188483

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Sexual Plasticity and Gametogenesis in Fishes Fish Fishing and Fisheries Marine Biology Balasubramanian Senthilkumaran Digital Instant Download

Author(s): Balasubramanian Senthilkumaran
ISBN(s): 9781626188488, 1626188483
Edition: UK ed.
File Details: PDF, 7.43 MB
Year: 2013
Language: english
SKU: EB-54949022 Category: Tag:

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Product details: 

ISBN 10: 1626188483

ISBN 13: 978-1626188488

Author: Balasubramanian Senthilkumaran

Sex determination, differentiation and gamete maturation are well organised 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.
 

Table of contents: 

Chapter I

Involvement of Neuropeptides in Gonadotropin Secretion in Teleost Fish

Masafumi Amano

Chapter II

Neuroendocrine Control of Lunar-Synchronized Spawning Rhythm in Grass Puffer Hironori Ando, Taro Ikegami, Yusuke Maruyama, Md. Shahjahan and Atsuhiko Hattori

Chapter III

Cytokines as Intraovarian Mediators of Luteinizing Hormone-Induced Ovulation in Fish Diego Crespo, Kousik Pramanick and Josep V. Planas

Chapter IV

Risk Assessment Teleosts as Models for Environmental Aparna Dutta-Gupta

Chapter V

Atherinopsid Fishes as Models for the Study of Temperature-Dependent Sex Determination: Physiology of Gonadal Sex Differentiationin Pejerrey Odontesthes Bonariensis Juan I. Fernandino, Ricardo S. Hattori, Carlos A. Strüssmann and Gustavo M. Somoza

Chapter VI

Developmental Aspects of Reproductive Hormones in Fish

Jon Hildahl

Chapter VII

Dimorphisms in the Brain and Involvement of Various Neurosubstances in Fish Reproduction:

An Overview

Arun G. Jadhao

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Chapter VIII

Ovarian Catecholestrogens: Role in Final Oocyte Maturation

K. P. Joy and R. Chaube

Chapter IX

Understanding the Mechanism of Oocyte Maturation and Ovulation to Induce Spawning for Seed-Production in the Japanese Eel: Tough and Challenging Task

H. Kagawa

Chapter X

Transgenic Medaka Lines with a Visible Marker for Phenotypic Sex: Genetic Analyses of anXY Sex-reversal

Akira Kanamori, Naoya Ichikawa

and Michiko Ishikawa

Chapter XI

Hypothalamic Regulation of Pituitary Gonadotropins Takashi Kitahashi, Md. Shahjahan and Ishwar S. Parhar

Chapter XII

Sexual Plasticity of Behavior in Goldfish

Makito Kobayashi, Seiji Saoshiro, Yutaro Kawaguchi, Youichi Hayakawa and Arimune Munakata

Chapter XIII

Molecular Mechanisms of Gonadal Sex Differentiation and Sex-Reversal in Fish: Tilapia and Medaka Tohru Kobayashi

Chapter XIV

Physiological and Endocrinological Mechanisms of Sex Change in the Grouper

Yasuhisa Kobayashi, Ryosuke Murata and Masaru Nakamura

Chapter XV

Some Non-Classical Intragonadal Regulators of Fish Reproduction

Bechan Lal

Chapter XVI

Involvement of Brain-Pituitary-Gonadal Axis on Regulation of the Reproductive Cycle in Female Chub Mackerel

Michiya Matsuyama, Sethu Selvaraj,

Mitsuo Nyuji and Hirofumi Ohga

Chapter XVII Teleosts Are Classical Models for the Study of Oogenesis and Shift in Steroidogenesis

Raju Murugananthkumar and Balasubramanian Senthilkumaran

Chapter XVIII

Function of Germ Cells in Sex Differentiation Toshiya Nishimura and Minoru Tanaka

Chapter XIX

Fish Gonadotropin Receptors

Yuichi Oba

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Tags: Balasubramanian Senthilkumaran, Sexual Plasticity, Gametogenesis in Fishes, Fishing and Fisheries