Homology Effects
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Homology Effects
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Author :
language : en
Publisher: Elsevier
Release Date : 2002-04-02
Homology Effects written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-04-02 with Science categories.
Homology Effects offers contributions from an international panel of researchers whose aim has been both to introduce newcomers to the field of homology effects, and to bring colleagues up to date. Topic coverage includes dosage compensation, X-inactivation, imprinting, paramutation, homology-dependent gene silencing, transvection, pairing-sensitive silencing, nuclear organization of chromosomes, DNA repair, quelling, RIP, RNAi and antisense biology, homology effects in ciliates, prion biology, and a discourse on the evolution of gene duplications. Advances in Genetics presents an eclectic mix of articles of use to all human and molecular geneticists. They are written and edited by recognized leaders in the field and make this an essential series of books for anyone in the genetics field. Homology, the examination of similarity due to shared common ancestry, encompasses a fascinating class of phenomena in mammals, plants, insects, ciliates, nematodes, fungi, and bacteria. Homology effects concern processes that recognize homology at the level of DNA and/or RNA, as well as at the level of protein. Their collective history begins at the turn of the century and includes some of the most puzzling and extraordinary observations in biology. The volume covers phenomena that have often been considered unusual, exceptional to the rule, and "out of the ordinary" and, therefore, not for general study. However, it is now becoming clear that taken together, these phenomena represent a class of regulatory mechanisms that are widespread, as well as exceptionally powerful.
Advances In Genetics
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Author : Jeffrey C. Hall
language : en
Publisher:
Release Date : 2002
Advances In Genetics written by Jeffrey C. Hall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Genetics categories.
The Effects Of Sequence Homology On Transformation Of Mouse Cells By Sv40 Dna
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Author : REX LESLIE CHISHOLM
language : en
Publisher:
Release Date : 1980
The Effects Of Sequence Homology On Transformation Of Mouse Cells By Sv40 Dna written by REX LESLIE CHISHOLM and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
(pRC105) lacking the mouse DNA, and about 1.4 times that of SV40 DNA. pRC105 DNA had only about 40% the transformation efficiency of uncloned SV40 DNA.
Homology
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Author : Brian K. Hall
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Homology written by Brian K. Hall and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Mathematics categories.
The application of homology varies depending on the data being examined. This volume represents a state-of-the-art treatment of the different applications of this unifying concept. Chapters deal with homology on all levels, from molecules to behavior, and are authored by leading contributors to systematics, natural history, and evolutionary, developmental, and comparative biology. This paperback reprint of the original hardbound edition continues to commemorate the 150th anniversary of Sir Richard Owen's seminal paper distinguishing homology from analogy. Commemoration of the 150th anniversary of Sir Richard Owen's seminal paper distinguishing homology from analogy Contributors who are renowned leaders in comparative biology Coverage that is both comprehensive and interdisciplinary
Homology And Heterology Effects In Drosophila Cohesin And Condensin As Chromosome Choreographers
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Author : Tharanga Niroshini Senaratne
language : en
Publisher:
Release Date : 2016
Homology And Heterology Effects In Drosophila Cohesin And Condensin As Chromosome Choreographers written by Tharanga Niroshini Senaratne and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
The organization of interphase nuclei has numerous consequences for gene expression and genome stability in eukaryotes. Here, we present studies of chromosome organization in Drosophila melanogaster over the course of the cell cycle. We report surprising observations suggesting that cohesin, a protein complex essential in mitosis for holding together the products of DNA replication known as sister chromatids, may not be required to keep sister chromatids in close proximity during interphase. These observations raise questions regarding the nature of cohesin-independent connections between chromatids, why the cell might have such connections in addition to those mediated by cohesin proteins, and how cohesin-independent mechanisms might contribute to other inter-chromosomal associations and nuclear organization throughout the cell cycle. A well-known feature of nuclear organization in Drosophila is the somatic pairing of maternal and paternal homologous chromosomes; we find that certain factors contributing to the pairing of homologs, specifically, condensin II and its regulators, also contribute to the organization of sister chromatids, findings which have interesting implications for the nature of pairing. Finally, we examine another type of inter-chromosomal interaction occurring in Drosophila nuclei, which is the nonhomologous clustering of centromeres, and identify candidate genes that regulate this organization. Overall, this work expands current knowledge on both homologous and heterologous inter-chromosomal interactions, and highlights the relationship between chromosome organization in interphase and in mitosis.
Mipham S Dialectics And The Debates On Emptiness
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Author : Karma Phuntsho
language : en
Publisher: Routledge
Release Date : 2005-03-31
Mipham S Dialectics And The Debates On Emptiness written by Karma Phuntsho and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-03-31 with Religion categories.
This is an introduction to the Buddhist philosophy of Emptiness Useful for scholars of Tibetan studies and Buddhist philosophy Explores the theories of Emptiness in an easy narrative style This is a compelling account of Emptiness
Homology
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Author : Gregory R. Bock
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-30
Homology written by Gregory R. Bock and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-30 with Science categories.
'Homology' as a concept became increasingly elusive during the course of the 20th century. The central debates and controversies concern both fundamental definitions and the nature of the criteria by which homology is judged. Attempts to move away from comparative morphology to ideas based on developmental pathways have tended to founder on the fact that developmental pathways evolve and that similar cells or tissues or structures in animals will often have different developmental origins. The use of information about conserved molecules in seemingly conserved developmental processes has also proven controversial. In molecular biology, the use of the term 'homology' has given rise to more debate, although here the issue seems to involve primarily the criteria for assessing whether parts of genes are the same because of shared descent or for other reasons. The contributions to the book explore these topics systematically. There are chapters on the historical development of the concept of homology and its use in population studies. Other chapters deal with issues of homology in morphological and developmental studies, in behavioural studies, and especially in studies at the level of molecular genetics.
Medicine And Food Homology Emerging Tool And Methodology For Separation And Analysis Of The Bioactive Factors
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Author : Haining Zhuang
language : en
Publisher: Frontiers Media SA
Release Date : 2023-11-01
Medicine And Food Homology Emerging Tool And Methodology For Separation And Analysis Of The Bioactive Factors written by Haining Zhuang and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-01 with Medical categories.
Leading Edge Research In Cognitive Psychology
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Author : Alexandra Columbus
language : en
Publisher: Nova Publishers
Release Date : 2006
Leading Edge Research In Cognitive Psychology written by Alexandra Columbus and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Psychology categories.
Cognitive psychology deals with information processing, and includes a variety of thinking processes including perception, attention, memory, knowledge representation, categorisation, language, problem-solving, reasoning, and judgement. It is also concerned with the structures and representations involved in cognition. Cognitive psychology has significant applications of all areas of human endeavour. It is also the subject of intensive study when applied to health and ageing in the absence of a significant health problem as well as education and human-computer interaction. Other examples are eyewitness memory, autobiographical memory, spatial cognition, skill training, suggestibility, expertise and skilled behaviour.
Homology Genes And Evolutionary Innovation
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Author : Günter P. Wagner
language : en
Publisher: Princeton University Press
Release Date : 2018-07-10
Homology Genes And Evolutionary Innovation written by Günter P. Wagner and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-10 with Science categories.
A major synthesis of homology, written by a top researcher in the field Homology—a similar trait shared by different species and derived from common ancestry, such as a seal's fin and a bird’s wing—is one of the most fundamental yet challenging concepts in evolutionary biology. This groundbreaking book provides the first mechanistically based theory of what homology is and how it arises in evolution. Günter Wagner, one of the preeminent researchers in the field, argues that homology, or character identity, can be explained through the historical continuity of character identity networks—that is, the gene regulatory networks that enable differential gene expression. He shows how character identity is independent of the form and function of the character itself because the same network can activate different effector genes and thus control the development of different shapes, sizes, and qualities of the character. Demonstrating how this theoretical model can provide a foundation for understanding the evolutionary origin of novel characters, Wagner applies it to the origin and evolution of specific systems, such as cell types; skin, hair, and feathers; limbs and digits; and flowers. The first major synthesis of homology to be published in decades, Homology, Genes, and Evolutionary Innovation reveals how a mechanistically based theory can serve as a unifying concept for any branch of science concerned with the structure and development of organisms, and how it can help explain major transitions in evolution and broad patterns of biological diversity.