Peter Sutovsky – författare

When I was first approached to edit the present volume, I was somewhat reluc­ tant to undertake this humbling task because most of my own scientific expertise is derived fi'om studies of mammalian fertilization rather than somatic cell nuclear transfer (SCNT). However, in the last ten years, I was very fortunate to train, col­ laborate, and communicate with a number of distinguished "doners," many of whom kindly agreed to contribute to the present volume. This experience made me appre­ ciate that the understanding of cellular and molecular events during and after SCNT is deeply rooted in our knowledge of fertilization of mammalian ovum by the speramatozoon, to which I prefer to refer to as "natural fertilization," not to say that SCNT should be regarded as "unnatural fertilization". Unique cellular events aris­ ing from SCNT have no parallel in natural fertilization and early pre-implantation development. The list includes the requirement of donor cell-nuclear remodeling, disposal of donor cell organelles, the possibility of heteroplasmy (i. e. , presence of mixed mitochondrial genomes) and altered mode of oocyte activation. Thanks to seminal contributions of my distinguished colleagues, the present volume reviews the progress of SCNT technology in major mammalian species including mouse, pig, and cattle, while at the same time, parallels can be drawn and distinctions made between the cellular and molecular basis of nuclear transfer and fertilization.

When I was first approached to edit the present volume, I was somewhat reluc­ tant to undertake this humbling task because most of my own scientific expertise is derived fi''om studies of mammalian fertilization rather than somatic cell nuclear transfer (SCNT). However, in the last ten years, I was very fortunate to train, col­ laborate, and communicate with a number of distinguished "doners," many of whom kindly agreed to contribute to the present volume. This experience made me appre­ ciate that the understanding of cellular and molecular events during and after SCNT is deeply rooted in our knowledge of fertilization of mammalian ovum by the speramatozoon, to which I prefer to refer to as "natural fertilization," not to say that SCNT should be regarded as "unnatural fertilization". Unique cellular events aris­ ing from SCNT have no parallel in natural fertilization and early pre-implantation development. The list includes the requirement of donor cell-nuclear remodeling, disposal of donor cell organelles, the possibility of heteroplasmy (i. e. , presence of mixed mitochondrial genomes) and altered mode of oocyte activation. Thanks to seminal contributions of my distinguished colleagues, the present volume reviews the progress of SCNT technology in major mammalian species including mouse, pig, and cattle, while at the same time, parallels can be drawn and distinctions made between the cellular and molecular basis of nuclear transfer and fertilization.

This book provides a comprehensive primer on human reproduction, beginning with normal pre-implantation embryo development. It starts with gametogenesis, followed by fertilization, embryo development, and implantation, with each section describing the molecular aspects of each phase. The focus then moves to highlight putative factors that influence fertility, such as environment and lifestyle, while examining molecular and genetic factors associated with both male and female infertility.Besides providing insights into the fundamental processes of gametogenesis and fertilization, the book highlights new and emerging trends in infertility and assisted reproduction research and care within the context of Bioethics, and emerging technologies like AI.Thus, several chapters in this book serve as a valuable reference for in vitro fertilization (IVF) and other assisted reproductive therapy (ART) procedures, describing various methods and tools available for IVF and offering insight into the critical role of the embryology laboratory. Advanced issues of assisted reproduction are outlined in detail, providing readers with a thorough understanding of current practices and emerging technologies. With a dedicated chapter on the bioethics of advanced assisted reproductive technologies, the book exposes readers to the ethical considerations that accompany developments in this field.This volume is a valuable resource for medical and basic science students, healthcare professionals, embryologists, reproductive endocrinologists, and researchers in the field of reproductive medicine. It will also be of interest to bioethicists, genetic counsellors, and anyone seeking a deeper understanding of human reproduction and assisted reproductive technologies. The broad subject areas covered include reproductive biology, embryology, infertility, in vitro fertilization, molecular genetics, bioethics, and clinical reproductive medicine.The chapters in this book were originally published in the journal Systems Biology in Reproductive Medicine and are accompanied by a new Introduction and multiple-choice review questions that conclude every chapter, reinforcing key concepts and facilitating learning.

When I was first approached to edit the present volume, I was somewhat reluc­ tant to undertake this humbling task because most of my own scientific expertise is derived fi'om studies of mammalian fertilization rather than somatic cell nuclear transfer (SCNT). However, in the last ten years, I was very fortunate to train, col­ laborate, and communicate with a number of distinguished "doners," many of whom kindly agreed to contribute to the present volume. This experience made me appre­ ciate that the understanding of cellular and molecular events during and after SCNT is deeply rooted in our knowledge of fertilization of mammalian ovum by the speramatozoon, to which I prefer to refer to as "natural fertilization," not to say that SCNT should be regarded as "unnatural fertilization". Unique cellular events aris­ ing from SCNT have no parallel in natural fertilization and early pre-implantation development. The list includes the requirement of donor cell-nuclear remodeling, disposal of donor cell organelles, the possibility of heteroplasmy (i. e. , presence of mixed mitochondrial genomes) and altered mode of oocyte activation. Thanks to seminal contributions of my distinguished colleagues, the present volume reviews the progress of SCNT technology in major mammalian species including mouse, pig, and cattle, while at the same time, parallels can be drawn and distinctions made between the cellular and molecular basis of nuclear transfer and fertilization.

This book's aim is to increase the awareness of a great variety of posttranslational modifications in the male and female reproductive system. Some of the most intriguing reproductive strategies, mechanisms, and pathways involving PTM are discussed, with an added angle of evolutionary conservation and diversity. The book also chapters on sperm-egg binding, as well as on histone modification in both the embryo and sperm. Chapters are also devoted to protein ubiquitination, the regulation of sperm function during fertilization in mammals and tubulin modifications in gametes and embryos. There are no other current books on posttranslational protein modifications as they relate to reproduction, making this contribution unique in the field. It is useful for both researchers and graduate students alike.

This book''s aim is to increase the awareness of a great variety of posttranslational modifications in the male and female reproductive system. Some of the most intriguing reproductive strategies, mechanisms, and pathways involving PTM are discussed, with an added angle of evolutionary conservation and diversity. The book also chapters on sperm-egg binding, as well as on histone modification in both the embryo and sperm. Chapters are also devoted to protein ubiquitination, the regulation of sperm function during fertilization in mammals and tubulin modifications in gametes and embryos. There are no other current books on posttranslational protein modifications as they relate to reproduction, making this contribution unique in the field. It is useful for both researchers and graduate students alike.

This book's aim is to increase the awareness of a great variety of posttranslational modifications in the male and female reproductive system. Some of the most intriguing reproductive strategies, mechanisms, and pathways involving PTM are discussed, with an added angle of evolutionary conservation and diversity. The book also chapters on sperm-egg binding, as well as on histone modification in both the embryo and sperm. Chapters are also devoted to protein ubiquitination, the regulation of sperm function during fertilization in mammals and tubulin modifications in gametes and embryos. There are no other current books on posttranslational protein modifications as they relate to reproduction, making this contribution unique in the field. It is useful for both researchers and graduate students alike.

This new volume of our successful book series Advances in Anatomy, Embryology and Cell Biology is focused on mitochondrial inheritance in humans and both vertebrate and invertrebate animals including Drosophila, C. elegans, bivalve molusc Mytilus and livestock mammals. Special consideration is given to cellular mechanisms promoting uniparental inheritance of mitochondria and mitochondrial genes, evolutionary perspectives, and biomedical and epidemiological considerations. Contributed by five distinguished mitochondrial research teams from around the world, this volume will target a wide audience of physiologists, anatomists, cell, and developmental and evolutionary biologists, as well as physicians, veterinarians, livestock specialists and biomedical researchers.

This new volume of our successful book series Advances in Anatomy, Embryology and Cell Biology is focused on mitochondrial inheritance in humans and both vertebrate and invertrebate animals including Drosophila, C. elegans, bivalve molusc Mytilus and livestock mammals. Special consideration is given to cellular mechanisms promoting uniparental inheritance of mitochondria and mitochondrial genes, evolutionary perspectives, and biomedical and epidemiological considerations. Contributed by five distinguished mitochondrial research teams from around the world, this volume will target a wide audience of physiologists, anatomists, cell, and developmental and evolutionary biologists, as well as physicians, veterinarians, livestock specialists and biomedical researchers.

This book provides a broad perspective on understanding bovine fertility, focusing on the classification and interpretation of bovine sperm defects.Building upon the success of its first edition published in 1989, this new edition has been significantly updated and expanded to reflect developments over the past three decades. The chapters cover topics such as the normal and abnormal development of bovine sperm, the mechanisms behind sperm defects, and the impact of these defects on fertility. Special attention is drawn at advances in genomic research and the use of sperm quality biomarkers and genetic screening tests in the assessment of bull fertility. In addition to this, the work explores critical periods for sexual development in bulls, such as early gestation and pre-weaning.This monograph is intended for researchers and students in the field of animal reproduction, veterinarians, and animal scientists. It provides a deep understanding of bovine fertility, a topic that is crucial for anyone working in livestock production or related fields. The knowledge gained from this book will be beneficial to those seeking to improve livestock productivity and thus contribute to global food security.