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E-grāmata: Hormones and Reproduction of Vertebrates, Volume 3: Reptiles

Edited by (Professor Emeritus, University of Colorado, USA), Edited by (University of Colorado at Boulder, Colorado, USA)
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  • Izdošanas datums: 04-May-2011
  • Izdevniecība: Academic Press Inc
  • Valoda: eng
  • ISBN-13: 9780080958071
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  • Formāts: EPUB+DRM
  • Izdošanas datums: 04-May-2011
  • Izdevniecība: Academic Press Inc
  • Valoda: eng
  • ISBN-13: 9780080958071

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This series of volumes represents a comprehensive and integrated treatment of reproduction in vertebrates from fishes of all sorts through mammals. It is designed to provide a readable, coordinated description of reproductive basics in each group of vertebrates as well as an introduction to the latest trends in reproductive research and our understanding of reproductive events. Whereas each chapter and each volume is intended to stand alone as a review of that topic or vertebrate group, respectively, the volumes are prepared so as to provide a thorough topical treatment across the vertebrates. Terminology has been standardized across the volumes to reduce confusion where multiple names exist in the literature, and a comprehensive glossary of these terms and their alternative names is provided.

* A complete, essential and up to date reference for research scientists working on vertebrate hormones and reproduction - and on animlals as models in human reproductive research.
* Covers the endocrinology, neuroendocrinology, physiology, behaviour and anatomy of vertebrate reproduction.
* Structured coverage of the major themes for all five vertebrate groups allows a consistent treatment for all.
* Special chapters elaborate on features specific to individual vertebrate groups and to comparative aspects, similarities and differences between them.


Papildus informācija

An essential, one-stop reference for endocrinologists and those studying the biology and control of vertebrate reproductive biology in reptiles
Series Preface xiii
Volume Preface xv
List of Contributors
xvii
1 Sex Determination in Reptiles
1 Introduction
1(1)
2 What Mechanisms Occur in Reptiles? Diversity of Sex-Determining Mechanisms (SDMs) and Patterns
2(10)
2.1 Patterns of Genotypic Sex Determination
2(6)
2.2 Patterns of Temperature-dependent Sex Determination
8(2)
2.3 Sex-determining Mechanisms as a Dichotomy or a Continuum?
10(2)
3 Who Exhibits Genotypic Sex Determination (GSD) and Temperature-dependent Sex Determination (TSD)? Taxonomic and Phylogenetic Distribution
12(4)
3.1 Chelonian and Squamate Sex Determination
12(3)
3.2 Transitions between Sex-determining Mechanisms (SDMs)
15(1)
4 How is Sex Determined? Proximate Mechanisms
16(4)
4.1 Gonadal Differentiation and Gene Expression
16(2)
4.2 Physiological Mechanisms under Temperature-dependent Sex Determination (TSD)
18(2)
5 When is Sex Determined? Timing of Embryonic Sexual Lability
20(4)
5.1 Methods for Establishing the Thermosensitive Period (TSP)
20(1)
5.2 Variation in the Thermosensitive Period (TSP) and its Ecological Implications
21(3)
6 Why do Reptiles Exhibit a Diversity of Sex-determining Mechanisms (SDMS)? Ecology and Evolution
24(6)
6.1 Ecological Relevance: Does Temperature-dependent Sex Determination (TSD) Occur in Nature?
24(1)
6.2 Adaptive Significance of Sex-determining Mechanisms (SDMs)
25(3)
6.3 Evolutionary Potential of Temperature-dependent Sex Determination (TSD)
28(1)
6.4 Comments on the Coexistence of Temperature-dependent Sex Determination (TSD) and Sex Chromosomes
29(1)
7 Where to go next: Future Research and Conclusions
30(1)
Acknowledgments
31(1)
Abbreviations
31(1)
References
31(8)
2 Neuroendocrinology of Reptilian Reproductive Behavior
1 Introduction
39(1)
2 Behavioral Displays in Ecological Context
40(3)
2.1 Anolis Lizards and the Ecology of Visual Reproductive Displays
40(1)
2.2 Reproductive Communication in Other Reptilian Taxa
41(1)
2.2.1 Differences between males and females
41(1)
2.2.2 Variation within sexes: Alternative reproductive strategies
42(1)
2.3 Summary
43(1)
3 Hormonal Control of Reproductive Behaviors in Adulthood
43(3)
3.1 Hormonal Control of Anole Reproduction
43(1)
3.2 Hormonal Control in Species with Alternative Reproductive Strategies
44(1)
3.3 Hormonal Control of Reproduction in Other Reptilian Taxa
45(1)
3.4 Summary
45(1)
4 Neural Control of Reproductive Behaviors
46(4)
4.1 Neural and Muscular Control of Anole Reproduction
46(3)
4.2 Neural Control of Whiptail Lizard Reproduction
49(1)
4.3 Neural Control of Reproduction in Other Reptiles
50(1)
4.4 Summary
50(1)
5 Development of Reproductive Traits
50(3)
5.1 Development of Sex Differences in Anoles and Whiptail Lizards
50(1)
5.2 Development in Reptiles with Alternative Reproductive Morphs
51(1)
5.3 Development in Reptiles with Temperature-dependent Sex Determination (TSD)
52(1)
5.4 Summary
53(1)
6 Adult Plasticity
53(2)
6.1 Effects of Season and Hormone Manipulation in Anoles
53(1)
6.2 Effects of Season and Hormone Manipulation in Other Reptiles
54(1)
6.3 Summary
55(1)
7 Conclusions and Future Directions
55(1)
Abbreviations
55(1)
References
56(7)
3 Hormonal Regulation of Testicular Functions in Reptiles
1 Introduction
63(2)
2 Testicular Structure
65(4)
2.1 Tubular Compartment of the Testis
66(1)
2.2 Interstitual Compartment
67(2)
3 Testicular Functions
69(7)
3.1 Spermatogenesis
69(5)
3.2 Steroidogenesis
74(2)
4 Regulation of Testicular Functions
76(4)
4.1 Environmental Factors
76(1)
4.2 Extratesticular Factors
76(1)
4.2.1 Hypothalamic hormones
76(1)
4.2.2 Pituitary hormones
77(1)
4.2.3 Other hormones
78(1)
4.3 Intratesticular Factors
78(1)
4.3.1 Androgens
78(1)
4.3.2 Estrogens
79(1)
4.3.3 Other paracrine factors
79(1)
4.3.3.1 Sertoli cell-secreted factors
79(1)
4.3.3.2 Testicular macrophage-secreted factor
80(1)
4.3.3.3 Histamine
80(1)
4.3.3.4 Leyding cell-secreted factors
80(1)
5 Regulation of Testicular Immune Functions
80(1)
6 Maintenance of Male Accessory Sex Organs and Courtship Behavior
81(1)
6.1 Accessory Sex Organs
81(1)
6.2 Courtship Behavior
82(1)
7 Conclusions
82(2)
Abbreviations
84(1)
References
84(5)
4 Hormonal Regulation of Ovarian Function in Reptiles
1 Introduction
89(3)
1.1 Ovarian Structure
89(1)
1.2 Ovarian Development
89(2)
1.2.1 Hormonal control of ovarian development
91(1)
1.3 Major Ovarian Hormones
91(1)
1.4 Hypophysial Regulation of Ovarian Function
92(1)
2 Ovarian Steroids
92(6)
2.1 Steroid Synthesis
94(1)
2.2 Tissue Receptors
95(1)
2.3 Steroid-binding Proteins in Plasma
96(1)
2.4 Peripheral Metabolism of Steroids
97(1)
3 Follicular Development
98(6)
3.1 Recruitment
98(1)
3.2 Follicular Development
98(2)
3.2.1 Roles of hormones in recruitment and folliculogenesis
100(1)
3.2.2 Determinants of clutch size
100(1)
3.2.3 Follicular atresia
101(1)
3.3 Vitellogenesis
101(1)
3.3.1 Mechanisms of Vitellogenesis
102(1)
3.3.2 Hormones and vitellogenesis
102(2)
3.3.3 Yolk steroids
104(1)
4 Ovulation
104(2)
4.1 Mechanisms of Ovulation in Reptiles
104(1)
4.2 Hormonal Control of Ovulation
105(1)
4.3 Oocyte Maturation
105(1)
5 The Post-ovulatory Ovary: The Corpus Luteum
106(2)
5.1 Morphological Changes in the Reptilian Corpus Luteum
106(1)
5.2 Steroid Production by the Corpus Luteum
107(1)
5.3 Relaxin
107(1)
5.4 Hormones and Luteolysis
108(1)
6 Future Directions: Application of Reproductive Endocrinology to Conservation
108(1)
Abbreviations
109(1)
References
109(8)
5 Hormones and the Sex Ducts and Sex Accessory Structures of Reptiles
1 Introduction
117(1)
2 Oviparity
117(1)
3 Reproductive Cycles and Sex Hormones
118(1)
4 The Male
118(9)
4.1 Efferent Ductules
118(2)
4.2 Ductus Epididymis
120(1)
4.3 Ductus Deferens
121(1)
4.4 Reproductive Cycles and Hormonal Dependence
122(1)
4.5 Epididymis
122(3)
4.6 Renal Sex Segment
125(1)
4.7 Femoral Glands
126(1)
4.8 Unresolved Questions
126(1)
5 The Female
127(6)
5.1 Infundibulum
127(1)
5.2 Uterine Tube
128(2)
5.3 Isthmus
130(1)
5.4 Uterus
130(1)
5.5 Vagina
130(1)
5.6 Reproductive Cycles and Hormonal Dependence
131(1)
5.7 Oviduct
131(1)
5.8 Oviposition
132(1)
5.9 Unresolved Questions
132(1)
6 Sperm Storage
133(1)
6.1 Unresolved Questions
134(1)
Abbreviations
134(1)
References
135(6)
6 Pheromones and Reproduction in Reptiles
1 Introduction
141(1)
1.1 Pheromones of Vertebrates
141(1)
1.2 Chemosensory Abilities of Reptiles: The Vomeronasal System
141(1)
1.3 Pheromones and Reproduction in Reptiles
142(1)
2 Testudines/Turtles
142(2)
2.1 Testudinidae
143(1)
2.2 Emydidae
143(1)
2.3 Cheloniidae
144(1)
3 Rhynchocephalia
144(1)
4 Crocodilia
145(1)
5 Squamata
145(14)
5.1 Amphisbaenians
145(1)
5.2 Lizards
146(1)
5.2.1 Secretory glands and potential pheromones
146(1)
5.2.1.1 Skin
146(1)
5.2.1.2 Femoral, precloacal, and preanal glands
146(2)
5.2.1.2.1 Iguania
148(1)
5.2.1.2.2 Scleroglossa
148(1)
5.2.1.3 Cloacal and urodeal glands
149(1)
5.2.1.4 Feces
149(1)
5.2.2 Chemosensory recognition
150(1)
5.2.2.1 Sex and individual recognition
150(2)
5.2.2.2 Trailing
152(1)
5.2.2.3 Kin recognition
152(1)
5.2.3 Evolution of pheromonal mate choice
152(2)
5.2.3.1 Evolutionary mechanisms
154(1)
5.2.4 Evolution of male social dominance based on pheromones
155(2)
5.3 Snakes
157(1)
5.3.1 Secretory glands and potential pheromones
157(1)
5.3.1.1 Skin
157(1)
5.3.1.2 Cloacal scent glands
157(1)
5.3.1.3 Nasal glands
157(1)
5.3.2 Chemosensory recognition
158(1)
5.3.2.1 Sex discrimination and trailing
158(1)
5.3.2.2 Mate assessment
158(1)
5.3.2.3 Pheromonal female mimicry
159(1)
6 Suggestions for Future Research
159(2)
Acknowledgments
161(1)
Abbreviations
161(1)
References
161(8)
7 Stress and Reproduction in Reptiles
1 Introduction
169(3)
1.1 Objectives
169(1)
1.2 Definitions
169(2)
1.3 Importance of Studying Reptiles
171(1)
1.4 Relationship of Stress to Reproduction in Reptilian Life Histories
171(1)
2 Mechanisms Mediating Stress Response
172(3)
2.1 Brain
172(1)
2.2 Hypothalamic-Pituitary-Adrenal (HPA) Axis
173(1)
2.3 Hypothalamic-Pituitary-Gonadal (HPG) Axis
174(1)
3 Effects of Stress on Reproductive Function
175(13)
3.1 Neurotransmitters
175(1)
3.2 Reproductive Hormones
175(4)
3.3 Gonads
179(1)
3.3.1 Ovarian function
179(3)
3.3.2 Testicular function
182(1)
3.4 Behavior
183(5)
4 Seasonal Changes in Circulating Corticosterone (CORT) Levels
188(4)
4.1 Baseline and Stress Levels
188(1)
4.2 Pre-breeding, Breeding, and Post-breeding periods
188(4)
5 Modulation of Stress Response During Reproduction
192(6)
5.1 Evidence
192(5)
5.2 Mechanisms
197(1)
6 Fitness Effects of Stress During Reproduction
198(4)
6.1 Adults
198(1)
6.2 Mothers and Offspring
199(1)
6.3 Offspring
200(2)
7 Conclusions and Research Directions
202(2)
7.1 Conclusions
202(1)
7.2 Future Research Directions
203(1)
Abbreviations
204(1)
References
204(11)
8 Hormones and Behavior of Reptiles
1 Introduction
215(8)
1.1 Organization and Other Developmental Effects of Reptilian Hormones on Behavior
216(4)
1.2 Endocrine Effects on Behavior in Viviparous Species
220(1)
1.3 Activational Events
221(1)
1.4 Endocrine Network Theory and the Regulation of Behaviors
222(1)
2 The Form of Natural, Sexual, and Social Selection
223(10)
2.1 Hormone Modulation of Male Reproductive Behaviors
227(1)
2.2 Sexual Selection, Life History, and Correlated Selection---Hormones, Behavior, and Fitness
227(1)
2.3 Testosterone (T) and Signals---Colors and Badges
228(1)
2.4 Aggression and Territoriality
228(2)
2.5 Testosterone (T) and Courtship/Copulations
230(1)
2.6 Integration---Hormones, Performance, Behavior, and Fitness
230(1)
2.7 Modulation of Aggressive and Courtship Behavior: Arginine Vasotocin (AVT)
230(3)
2.8 Interactions with CNS Neuroendocrine Hormones
233(1)
2.9 Parental Care---Crocodilians as Model Organisms
233(1)
3 Social Networks and Endocrine Networks
233(7)
3.1 Social Groups, Monogamy, Filiative Behaviors, and the Suppression of `Aggression'
236(1)
3.2 The Potential Role of Prolactin as the Master Regulator of Reptilian Behaviors
237(3)
Abbreviations
240(1)
References
240(7)
9 Viviparity in Reptiles: Evolution and Reproductive Endocrinology
1 Introduction
247(1)
2 Defining Reproductive Mode
247(1)
3 Evolution of Viviparity within Squamates
248(1)
4 Selective Forces for the Evolution of Viviparity
248(2)
5 Reproductive Morphology and Physiology: Requirements or Refinements of Viviparity?
250(1)
6 Egg Retention and the Lengthening of Gestation
250(5)
7 The Reduction of the Eggshell
255(4)
8 Emergence of the Placenta
259(3)
9 Maternal Recognition of Pregnancy
262(2)
10 Conclusions
264(1)
11 Research Questions & Future Directions
265(3)
Abbreviations
268(1)
References
268(9)
10 Hormones and Reproductive Cycles in Turtles
1 Introduction
277(1)
2 Methodologies
278(2)
2.1 Gonadal Cycles
278(2)
2.2 Hormonal Cycles
280(1)
3 Different Types of Cycles and Timing of Reproduction in Turtles
280(5)
3.1 Cyclicity
280(1)
3.1.1 Prenuptial and postnuptial reproductive cycles
280(1)
3.1.2 Sexual maturation
281(1)
3.1.3 Nesting cyclicity
282(3)
3.1.4 Variation in the number of clutches
285(1)
3.2 Timing of Reproduction
285(1)
4 Hormonal and Gonadal Reproductive Cycles
285(11)
4.1 Cryptodira
285(1)
4.1.1 Freshwater turtles
285(3)
4.1.2 Sea turtles
288(2)
4.1.3 Terrestrial turtles (tortoises)
290(3)
4.2 Pleurodira
293(1)
4.2.1 Chelidae
293(2)
4.2.2 Podocnemididae
295(1)
4.2.3 Pelomedusidae
295(1)
5 Other Hormonal Cycles
296(2)
5.1 Metabolic and Stress Hormones
296(1)
5.1.1 Thyroid hormones and their possible role in reproduction
296(1)
5.1.2 Corticosterone (CORT)
297(1)
5.1.3 Catecholamines
297(1)
5.2 Pineal Hormones and Annual Cycles
297(1)
6 Conclusions
298(1)
Abbreviations
299(1)
References
299(6)
11 Hormones and Reproductive Cycles in Crocodilians
1 Introduction
305(1)
2 Development
306(3)
2.1 Sexual Differentiation
307(1)
2.1.1 Gonadal development
307(1)
2.1.2 Secondary sex characteristics
308(1)
2.2 Juvenile Growth and Peripubertal Seasonality
309(1)
3 Reproductive Cycles
309(6)
3.1 Seasonality
309(2)
3.2 Male Reproductive Cycles
311(1)
3.3 Female Reproductive Cycles
312(1)
3.3.1 Vitellogenesis and oocyte maturation
312(1)
3.3.2 Ovulation, gravidity, and oviposition
312(3)
4 Current and Future Research Directions
315(1)
4.1 Molecular Endocrinology in Crocodilians
315(1)
4.1.1 Steroidogenesis and steroid metabolism
315(1)
4.1.2 Peptide hormones and hormone receptors
315(1)
4.2 Research Gaps
316(1)
Abbreviations
316(1)
References
316(5)
12 Hormones and Reproductive Cycles in Lizards
1 Introduction
321(5)
1.1 Why Study Lizards?
321(1)
1.1.1 Practical considerations
321(1)
1.1.2 Evolutionary considerations
322(3)
1.1.3 Environmental and conservation considerations
325(1)
1.2 Overview for Remainder of
Chapter
326(1)
2 Reproductive Cycles
326(17)
2.1 Seasonality of Reproduction
326(2)
2.2 Types of Reproductive Cycle
328(2)
2.3 Endocrine Regulation
330(1)
2.3.1 Overview of the hypothalamus-pituitary-gonadal (HPG) axis regulation of reproductive cycles
330(1)
2.3.1.1 Iguanidae
331(4)
2.3.1.2 Amphisbaenidae, Trogonophidae, Bipedidae, Blanidae, Cadeidae, and Rhineuridae
335(1)
2.3.1.3 Lacertidae
335(1)
2.3.1.4 Teiidae
336(1)
2.3.1.5 Gymnophthalmidae
336(1)
2.3.1.6 Anguidae, Anniellidae, and Diploglossidae
336(1)
2.3.1.7 Helodermatidae
337(1)
2.3.1.8 Xenosauridae
337(1)
2.3.1.9 Lanthanotidae
337(1)
2.3.1.10 Varanidae
337(1)
2.3.1.11 Shinisauridae
337(1)
2.3.1.12 Chamaeleonidae
338(1)
2.3.1.13 Agamidae
338(1)
2.3.1.14 Scincidae
339(1)
2.3.1.15 Xantusiidae
340(1)
2.3.1.16 Gerrhosauridae
340(1)
2.3.1.17 Cordylidae
340(1)
2.3.1.18 Sphaerodactylidae, Gekkonnidae, Phyllodactylidae, Eublepharidae, Diplodactylidae, Carphodactylidae, Pygopodidae
340(1)
2.3.1.19 Dibamidae
341(1)
2.3.2 Other aspects of endocrine regulation of reproductive cycles
341(1)
2.3.2.1 Hypothalamus-pituitary-adrenal (HPA) axis
341(1)
2.3.2.2 Endogenous rhythms
342(1)
3 Conclusions and Future Directions
343(1)
Abbreviations
344(1)
References
344(11)
13 Hormones and Reproductive Cycles in Snakes
1 Introduction
355(1)
2 Hormones and Reproductive Cycles in Snakes
356(6)
2.1 Steroids and Reproduction in Snakes other than Thamnophis sirtalis parietalis
357(1)
2.1.1 Females
357(1)
2.1.2 Males
358(1)
2.2 Steroids and Reproduction in Red-sided Garter Snakes (Thamnophis sirtalis parietalis)
359(1)
2.2.1 Females
359(1)
2.2.2 Males
359(1)
2.3 Hypothalamic Hormones, Gonadotropins, Hormone Receptors, and Binding Globulins in Snakes
360(1)
2.4 The Neuroendocrinology of Reproduction in Snakes
361(1)
3 Influences on the Reproductive Cycle
362(3)
3.1 Environmental Influences
362(2)
3.2 Social Influences
364(1)
3.3 Physiological Influences
364(1)
3.4 Embryonic Influences
365(1)
4 Future Directions to Augment Existing Knowledge
365(2)
Acknowledgments
367(1)
Abbreviations
367(1)
References
367(6)
14 Endocrine Disruption of Reproduction in Reptiles
1 Introduction
373(3)
2 Reptiles as Models of EDC Exposure
376(1)
3 Endocrine-Disrupting Chemicals (EDCs) and Reptilian Reproduction
376(10)
3.1 Tissue Concentrations of Endocrine-disrupting Chemicals (EDCs) in Reptiles
377(1)
3.2 Sex Steroid Hormone Alterations
378(4)
3.3 Reproductive Organ Abnormalities
382(2)
3.4 Sex Determination
384(2)
4 Endocrine-Disrupting Chemicals (EDCs) and Reptilian Thyroid Function
386(4)
4.1 Hatching and Neonatal Growth
386(1)
4.2 Growth, Metabolism, and Effects on Reproduction
387(2)
4.3 Thyroidal-Gonadal Axes and Effects on Reproduction
389(1)
5 Conclusions
390(1)
Abbreviations
390(1)
References
391(6)
Species Index 397(4)
Subject Index 401(1)
Color Plates 401
David O. Norris is Professor Emeritus at the University of Colorado. He obtained his BS from the Baldwin-Wallace University and his PhD from the University of Washington. His broad research areas include environmental endocrinology and forensic botany. In the area of environmental endocrinology, his studies have focused on the neuroendocrine control of thyroid, adrenal, and reproductive functions with special interest in the role of environmental factors that alter the activities of these neuroendocrine systems. Kristin H. Lopez obtained her MA and PhD at the University of Colorado Boulder. Her research interests include morphological and physiological aspects of vertebrate reproduction and development, especially sex differentiation and ovarian function in reptiles and amphibians. She has enthusiastically supported the development of young scientists through teaching, textbook development, outreach, and programs to increase diverse representation in STEM.