Download or read book The Inheritance of Mating Type at Endomixis in Paramecium Aurelia written by Richard F. Kimball and published by . This book was released on 1938 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Inheritance of Mating Type at Endomixis and During Vegetative Reproduction in Paramecium Aurelia written by Richard Fuller Kimtal and published by . This book was released on 1937 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Inheritance of Mating Type at Endomixis and During Vegetative Reproduction in Paramecium Aurelia written by Richard F. Kimball and published by . This book was released on 1938 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Mating Type Determination in Paramecium Aurelia written by David Ledbetter Nanney and published by . This book was released on 1953 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Genetics of Paramecium Aurelia written by and published by CUP Archive. This book was released on with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Genetic Studies on Syngen 7 of Paramecium Aurelia written by Stephan Robert Taub and published by . This book was released on 1960 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Inheritance of Sex Reaction Type at Endomixis and During Vegetative Reproduction in Paramecium Aurelia written by Richard Fuller Kimball and published by . This book was released on 1938 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Non Mendelian Inheritance of Mating type Determination in Paramecium Tetraurelia Role of the ScnRNA Pathway written by Deepankar Pratap Singh and published by . This book was released on 2013 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a study of the molecular mechanisms underlying the determination of mating types in the ciliate Paramecium tetraurelia, and their non-Mendelian inheritance. The identification of mutations known to affect mating types reveals that type E depends on expression of the transmembrane protein mtA, which in turn requires the transcription factors mtB and mtC. Type O is determined by excision of the mtA promoter during the development of the somatic macronucleus from the germline micronucleus, a stage when the genome is entirely rearranged to eliminate transposable elements and their single-copy remnants. These deletions are targeted by scnRNAs, germline-derived small RNAs produced during meiosis that first scan the maternal macronuclear genome to identify missing sequences, and then allow the zygotic macronucleus to reproduce the same deletions. Excision of the mtA promoter is regulated by the scnRNA pathway, explaining the maternal inheritance of mating types. In the sibling species P. septaurelia, mating-type genes are conserved but type O is determined by coding-sequence deletions in mtB. Three main conclusions are drawn from this study: (1) independent evolution of similar mechanisms in the two species suggests frequent exaptation of the scnRNA pathway to regulate cellular genes and to mediate epigenetic inheritance of phenotypic polymorphisms; (2) the mtF gene, required for type O determination, encodes a novel trans-acting factor involved in a subset of rearrangements; (3) an insertion polymorphism in the germline mtB gene reveals an unanticipated consequence of scnRNA-mediated deletions, potentially resulting in hybrid dysgenesis and speciation.

Download or read book The Biology of Paramecium written by R. Wichterman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: This completely revised, updated, and expanded edition has been neces sitated by the many important newer discoveries that have been made since the publication of the first edition. That volume contained almost 2000 references from the 1600s to 1953. Since then and after an extensive search, I have accumulated some 3800 additional titles from the world's literature on Paramecium. After certain titles that largely represented abstracts and preliminary reports that were followed by full research papers were eliminated, approximately 4400 full titles from the 1600s to the present were selected for inclusion in this edition. Most of the titles in the Bibliography are the more recent ones beginning with 1953. I consider the Bibliography an important part of the book: A good title of a paper in a journal is a minature abstract of its contents. Thus, the reader who may be interested in obtaining additional information not found in the book may refer directly to the original source. A cursory examination of the Bibliography will reveal that parame cium research has extended into all branches of biology, including bio chemistry and biophysics. Like other areas of science, paramecium research has become highly specialized and fragmented. I have attempted to organize and present the basic information in one book. Because of space limitations, some items may have been dealt with briefly. It is in such instances that the Bibliography will be found to be invaluable.

Download or read book Handbook of Genetics written by Robert C. King and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this and future volumes of the Handbook of Genetics is to bring together a collection of relatively short, authoritative essays or annotated compilations of data on topics of~ignificance to geneticists. Many of the essays will deal with various aspects of the biology of certain species selected because they are favorite subjects for genetic investigation in nature or the laboratory. Often there will be an encyclopedic amount o( information available on such a species, with new papers appearing daily. Most of these will be written for specialists in a jargon that is bewildering to a novice and sometimes even to a veteran geneticist working with evolu tionarily distant organisms. For such readers what is needed is a written introduction to the morphology, life cycle, reproductive behavior, and cul ture methods for the species in question. What are its particular ad vantages (and disadvantages) for genetic study, and what have we learned from it? Where are the classic papers, the key bibliographies, and how or mutant strains? A list giving the sym does one get stocks of wild type bolism for unknown mutations is helpful, but it need include only those mutants that have been retained and are thus available for future studies. Other data, such as up-to-date genetic and cytological maps, listings of break points for chromosomal aberrations, mitotic karyotypes, and hap loid DNA values, will be included when available.

Download or read book Pamphlets on Protozoology Kofoid Collection written by and published by . This book was released on 1908 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Biological Bulletin written by Frank Rattray Lillie and published by . This book was released on 1956 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. 17, 21-105 contain Annual reports of the Marine Biological Laboratory for 1907/08-1952.

Download or read book Biology of Protozoa written by D.R. Khanna and published by Discovery Publishing House. This book was released on 2004 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: Appearance of Protozoa, Laboratory Methods, Cell Organelles, Inheritance, Living Activities, Protozoans in Environment, Movement, Exoskeleton, Parasitic Protozoans, Multiplication, Life of Amoeba, Life of Paramecium, Life of Euglena, Life of Polystomella, Life of Radiolaria, Life of Radiolaria, Life of Opalina, Life of Vorticella.

Download or read book Some Factors Affecting Delayed Separation of Conjugants in Paramecium Aurelia written by Henderson Kingsberry Wood and published by . This book was released on 1953 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Microbial Models of Molecular Biology written by Rowland H. Davis and published by Oxford University Press. This book was released on 2003-09-11 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains the role of simple biological model systems in the growth of molecular biology. Essentially the whole history of molecular biology is presented here, tracing the work in bacteriophages in E. coli, the role of other prokaryotic systems, and also the protozoan and algal models - Paramecium and Chlamydomonas, primarily - and the move into eukaryotes with the fungal systems - Neurospora, Aspergillus and yeast. Each model was selected for its appropriateness for asking a given class of questions, and each spawned its own community of investigators. Some individuals made the transition to a new model over time, and remnant communities of investigators continue to pursue questions in all these models, as the cutting edge of molecular biological research flowed onward from model to model, and onward into higher organisms and, ultimately, mouse and man.

Download or read book Genetics written by George Harrison Shull and published by . This book was released on 1942 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetics accepts contributions that present the results of original research in genetics and related scientific disciplines.

Download or read book Advances in Genetics written by and published by Academic Press. This book was released on 1947-01-01 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Genetics