Titlebook: Reproduction in Aquatic Animals; From Basic Biology t Manabu Yoshida,Juan F. Asturiano Book 2020 Springer Nature Singapore Pte Ltd. 2020 Aq

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Chapter 3 Sperm Activation and Chemotaxis in Invertebrates sperm chemotaxis, the system may prevent crossbreeding. It is an interesting point why the system of sperm activation and chemotaxis has been evolved with such a high diversity. In this chapter, we reviewed the sperm activation and chemotaxis in aquatic invertebrates.

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Chapter 8 Reproduction in the Coral n. The reticulate evolution that results from introgressive hybridization in . is thought to be related to speciation in the genus. In this chapter, we introduce reproductive isolation in ., focusing on spawning synchronization, regulation of sperm motility, gamete-species recognition, and the potential for hybridization in nature.

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Chapter 11 Fertilization in Amphibians: The Cellular and Molecular Events from Sperm Approach to Eggn, and initiation of embryonic development. The activated egg elicits several blocks to polyspermy, ensuring development from only one sperm. Recent advances in cellular and molecular mechanisms in amphibian fertilization are summarized and their important roles for establishment of amphibian fertilization are discussed.

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Foreword: A Brief History of Spermatology,e pioneer scientists who first discovered and explored the functions and structure of aquatic animal gametes and their interactions. Sperm cells most likely became of interest to scientists due to the fact that they hold the key to life and have an incredible ability to move, in spite of their small

Debrief

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Chapter 3 Sperm Activation and Chemotaxis in Invertebratesggs—some factors from the eggs or female organs activate and attract conspecific sperm—are the first two steps of authentication between sperm and eggs. Phenomena and molecular mechanisms underlying sperm activation and chemotaxis are varied, even in the same taxa. Considering species specificity of

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Chapter 4 Fish Sperm Maturation, Capacitation, and Motility Activationactivation that need further confirmation. This review summarizes the current knowledge on sperm acquisition of capability to move, happening in the sperm duct (sperm capacitation), and the ionic fluxes related to motility activation, as well as their relation with the sperm membrane potential chang