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Phylogeny Of Lacertid Lizards Squamata Lacertidae And The Evolution Of Unisexuality
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Book Synopsis Phylogeny of Lacertid Lizards (Squamata: Lacertidae) and the Evolution of Unisexuality by : Jinzhong Fu
Download or read book Phylogeny of Lacertid Lizards (Squamata: Lacertidae) and the Evolution of Unisexuality written by Jinzhong Fu and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overall phylogeny of the Family Lacertidae was inferred from a parsimony analysis, using DNA sequence data from six mitochondrial genes. A total of 31 lacertid species were included, which represented most of the main lineages. The lacertids grouped into two clades, which correspond to the current subfamilies Lacertinae and Gallotiinae. The Lacertinae was further divided into two groups, the African and Eurasian groups. The relationships within the two groups were largely unresolved despite the large number of informative characters. A recent explosive speciation hypothesis was invoked to explain the lack of resolution from this analysis. The ancestors of the African and Eurasian groups experienced multiple simultaneous speciation events which left few or no fixed characters on the internodes making the phylogenetic reconstruction difficult. A special phenomenon, unisexuality, in lacertids was closely examined. A parsimony analysis of DNA sequence data from four mitochondrial genes was conducted to establish a firm phylogenetic foundation for the Caucasian rock lizards, among which the unisexual lacertids originated from interspecific hybridization. All bisexual species clustered into three major clades. The hybridization that led to unisexuals were of inter-clade and only occurred between the 'caucasica' and the 'rudis' clades. Moreover, these hybridization events are directional: the 'caucasica ' group only contributed to maternal parents while the 'rudis ' group to paternal parents. The formation of unisexuality is clearly under phylogenetic constraints. The causative agents of the constraints are likely multi-functional complexes, although sex chromosomes may play an important role. The divergence of cytochrome-b and ATPase 6 genes in the maternal parental species, 'Lacerta raddei' and 'L. mirta', as well as all seven known unisexual daughter species was investigated. All unisexuals constantly showed very little or no variations comparing to the substantial divergence in 'L. raddei', but 'L. mixta' showed little variation as well. A phylogeny of the mtDNA haplotypes inferred from parsimony analysis suggested that some unisexual species (clones) from the same parents shared a common ancestor while others did not. The formation of unisexual species in lacertids involved single origin, multiple origin with closely related females, as well as multiple origin with distantly related females.
Book Synopsis Phylogeny of Lacertid Lizards (Squamata: Lacertidae) and the Evolution of Unisexuality by :
Download or read book Phylogeny of Lacertid Lizards (Squamata: Lacertidae) and the Evolution of Unisexuality written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Jinzhong Fu Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612410206 Total Pages :336 pages Book Rating :4.4/5 (12 download)
Book Synopsis Phylogeny of Lacertid Lizards (Squamata: Lacertidae) and the Evolution of Unisexuality [microform] by : Jinzhong Fu
Download or read book Phylogeny of Lacertid Lizards (Squamata: Lacertidae) and the Evolution of Unisexuality [microform] written by Jinzhong Fu and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1999 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reproductive Biology and Phylogeny of Lizards and Tuatara by : Justin L. Rheubert
Download or read book Reproductive Biology and Phylogeny of Lizards and Tuatara written by Justin L. Rheubert and published by CRC Press. This book was released on 2014-12-19 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reproductive Biology and Phylogeny of Lizards and Tuatara is a remarkable compendium of chapters written by the world's leading experts from over four continents. The book begins with a chapter recounting historical discoveries in reproductive biology and a review of phylogenetics and up-to-date hypotheses concerning evolutionary relationships amon
Book Synopsis Phylogenetic Relationships of the Lizard Families by : Richard Estes
Download or read book Phylogenetic Relationships of the Lizard Families written by Richard Estes and published by Stanford University Press. This book was released on 1988 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Biology of Lacertid Lizards by : Valentín Pérez-Mellado
Download or read book The Biology of Lacertid Lizards written by Valentín Pérez-Mellado and published by . This book was released on 2004 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lizards written by Eric R. Pianka and published by Univ of California Press. This book was released on 2003-09-24 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of the diversity of lizards and their major adaptive features. The authors discuss the latest research findings and provide new hypotheses about lizard diversity.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mainland and Insular Lacertid Lizard: a Mediterranean Perspective by : Claudia Corti
Download or read book Mainland and Insular Lacertid Lizard: a Mediterranean Perspective written by Claudia Corti and published by . This book was released on 2006 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Occasional Papers of the California Academy of Sciences by :
Download or read book Occasional Papers of the California Academy of Sciences written by and published by . This book was released on 2013 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavior of Lizards by : Vincent Bels
Download or read book Behavior of Lizards written by Vincent Bels and published by CRC Press. This book was released on 2019-02-06 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Key features: Presents a contemporary snapshot of the mechanisms underlying the evolution and adaptation of behavior Explores how genetics, epigenetics, development, and environment shape behavior Discusses a broad range of behavioral repertoires and responses, including those related to thermoregulatory, foraging, predatory, displaying, social and escape strategies. Examines physiological and sensory mechanisms Covers the effects of various aspects of global change on behavior, with chapters that focus on the impacts of climate change on hydroregulatory behavior and behavioral responses to the effects of habitat alteration resulting from human-mediated change and colonization by invasive species. Lizards serve as focal organisms for many of biological questions related to evolution, ecology, physiology, and morphology. They are studied at multiple spatial and temporal scales, from the individual to the community level. This book, authored by expert contributors from around the world, explores behaviors underlying the evolution and adaptation of these organisms. It covers conceptual, empirical, and methodological approaches to the understanding of the role that natural and sexual selection play in molding the behavioral traits of lizards. This thorough, illustrated reference should stimulate discussion of the conceptual and methodological approaches for studying the behavioral traits of these fascinating and highly diverse vertebrates.
Book Synopsis Phylogeny and Evolution of Lerista (Lygosominae, Scincidae, Squamata) by : Adam Westley Skinner
Download or read book Phylogeny and Evolution of Lerista (Lygosominae, Scincidae, Squamata) written by Adam Westley Skinner and published by . This book was released on 2007 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In this thesis, I investigate the phylogeny and evolution of Lerista, a clade of more than 75 species of scincid lizards, distributed in arid, semi-arid, and seasonally dry habitats throughout Australia. The primary goal of my research was to furnish a comprehensive phylogenetic hypothesis for Lerista, enabling more sophisticated study of the evolution of limb morphology and body form in this clade than has previously been possible." -- From abstract.
Book Synopsis Mainland and insular lacertid lizards by : Pietro Lo Cascio
Download or read book Mainland and insular lacertid lizards written by Pietro Lo Cascio and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lacertid lizards have long been a fruitful field of scientific enquiry with many people working on them over the past couple of hundred years. The scope of the field has steadily increased, beginning with taxonomy and anatomy and gradually spreading so that it includes such topics as phylogenetics, behaviour, ecology, and conservation. Since 1992, a series of symposia on lacertid lizards of the Mediterranean basin have taken place every three years. The present volume stems from the 2004 meeting in the Aeolian Islands. In the volume a wide range of island topics are considered, including the systematics of the species concerned, from both morphological and molecular viewpoints, interaction with other taxa, and conservation. The last topic is especially important, as island lizards across the world have often been vulnerable to extinction, after they came into contact with people and the animals they introduced. The volume also has papers on the more positive aspects of human influence, specifically the benign effects of traditional agriculture on at least some reptile species. Olive trees, cork oaks and the banks and walls of loose rocks that crisscross the Mediterranean scene all often contribute to elevated lizard populations. Nor is more basic biology neglected and there are articles on morphology, reproduction, development and thermoregulation. Finally, it is good to see one paper on non-Mediterranean species is included. For, to fully understand the lacertids of this region, it is necessary to appreciate their close relatives in Africa, Asia and the archipelagos of the northeastern Atlantic Ocean. (From Preface by E. Nicholas Arnold & Wolfgang Böhme).
Book Synopsis Phylogenetic Relationships of Whiptail Lizards of the Genus Cnemidophorus (Squamata, Teiidae) by :
Download or read book Phylogenetic Relationships of Whiptail Lizards of the Genus Cnemidophorus (Squamata, Teiidae) written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monograph of the Lacertidae by : George Albert Boulenger
Download or read book Monograph of the Lacertidae written by George Albert Boulenger and published by . This book was released on 1921 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Temperature-Dependent Sex Determination in Vertebrates by : Nicole Valenzuela
Download or read book Temperature-Dependent Sex Determination in Vertebrates written by Nicole Valenzuela and published by Smithsonian Institution Scholarly Press. This book was released on 2004 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by the world's foremost authorities on the subject, with essays by leading scholars in the field, this work shows how the sex of reptiles and many fish is determined not by the chromosomes they inherit but by the temperature at which incubation takes place.
Book Synopsis Systematics of the Palaearctic and Oriental Lizard Tribe Lacertini (Squamata: Lacertidae: Lacertinae), with Descriptions of Eight New Genera by : Edwin Nicholas Arnold
Download or read book Systematics of the Palaearctic and Oriental Lizard Tribe Lacertini (Squamata: Lacertidae: Lacertinae), with Descriptions of Eight New Genera written by Edwin Nicholas Arnold and published by . This book was released on 2007-01-01 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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