Species specificity in fertilization reaction
Author | : Tore Hultin |
Publisher | : |
Total Pages | : 0 |
Release | : |
Genre | : |
ISBN | : |
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Author | : Tore Hultin |
Publisher | : |
Total Pages | : 0 |
Release | : |
Genre | : |
ISBN | : |
Author | : Tore Hultin |
Publisher | : |
Total Pages | : 8 |
Release | : 1948 |
Genre | : |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 8 |
Release | : 1948 |
Genre | : |
ISBN | : |
Author | : Bruce Alberts |
Publisher | : |
Total Pages | : 0 |
Release | : 2002 |
Genre | : Cytology |
ISBN | : 9780815332183 |
Author | : Hitoshi Sawada |
Publisher | : Springer |
Total Pages | : 463 |
Release | : 2014-02-07 |
Genre | : Science |
ISBN | : 4431545891 |
This book contains the proceedings of the International Symposium on the Mechanisms of Sexual Reproduction in Animals and Plants, where many plant and animal reproductive biologists gathered to discuss their recent progress in investigating the shared mechanisms and factors involved in sexual reproduction. This now is the first book that reviews recent progress in almost all fields of plant and animal fertilization. It was recently reported that the self-sterile mechanism of a hermaphroditic marine invertebrate (ascidian) is very similar to the self-incompatibility system in flowering plants. It was also found that a male factor expressed in the sperm cells of flowering plants is involved in gamete fusion not only of plants but also of animals and parasites. These discoveries have led to the consideration that the core mechanisms or factors involved in sexual reproduction may be shared by animals, plants and unicellular organisms. This valuable book is highly useful for reproductive biologists as well as for biological scientists outside this field in understanding the current progress of reproductive biology.
Author | : Charles B. Metz |
Publisher | : Academic Press |
Total Pages | : 504 |
Release | : 2014-05-12 |
Genre | : Science |
ISBN | : 1483258432 |
Fertilization: Comparative Morphology, Biochemistry, and Immunology, Volume I focuses on the many aspects of the physiological mechanisms of fertilization in different forms of life. The selection first tackles the problems and procedures of comparative gametology and syngamy and sperm motility. Discussions focus on the morphology of cilia and flagella, extraneous chemical and physical factors, motility in male and female reproductive tests, problems of the quantitative and qualitative control of fertility, and patterns of reproduction. The text then ponders on sperm metabolism and mechanisms of gametic approach in plants. The manuscript takes a look at gamete surface components and their role in fertilization, acrosome reaction and lysins, and membrane fusion in relation to sperm-egg association. Topics include gametic association, acrosome formation during spermiogenesis, fine-structure studies of acrosomal changes, specificity of fertilization, and amphibian fertilization. The book also examines the activation of the egg and parthenogenesis in vertebrates. The selection is a valuable reference for readers interested in the processes involved in fertilization.
Author | : Richard A. Boolootian |
Publisher | : |
Total Pages | : 848 |
Release | : 1966 |
Genre | : Echinodermata |
ISBN | : |
Author | : K. Benirschke |
Publisher | : Springer Science & Business Media |
Total Pages | : 507 |
Release | : 2012-12-06 |
Genre | : Medical |
ISBN | : 3642489494 |
To many, the contents of this conference may not seem appropriate at a time when the minds are preoccupied with a "population explosion." To the participants and guests of this conference, however, this was a week of fascinating discussions. While quantitative aspects of reproduc tion were touched upon, it was mostly a search for an understanding of the qualitative aspects of reproduction and its failure. Only when we understand these more completely will it be possible to render optimum care and have the foundations for meaningful population control. The conference was conceived in discussions at the Committee on Pathology of the National Academy of Sciences, W"ashington, in 1965. It was felt that investigators in medicine and the veterinary fields would profit greatly from a closer liaison. All too frequently, we work relatively isolated in our respective fields and, with the burgeoning information filling our journals, we have not enough time and leisure to stand back and attempt a comparative look at the subject of study. Often we are not familiar with the techniques other disciplines use, and which we could well employ to great advantage. ,,yhile this applies to many aspects of medicine, a comparative approach to the study of reproductive failure seemed most advantageous at this time.
Author | : Russell F. Doolittle |
Publisher | : University Science Books |
Total Pages | : 118 |
Release | : 1986 |
Genre | : Science |
ISBN | : 9780935702545 |
In these days of facile cloning and rapid DNA sequencing, it is not uncommon for investigators to find themselves with a DNA sequence that may or may not code for a known gene product. The sequence is 'open' when read in an appropriate frame, which is to say that there is a long run of amino acid codons before the appearance of a terminator codon. How can we find out if this 'unidentified reading frame' (URF) really codes for a genuine protein, and how can we identify it if it exists? There are two general strategies, both of which can also be applied to the characterization of any 'open reading frame' (ORF), whether or not it has been 'identified'. The first and simplest approach involves computer searching and analysis; the second employs antibodies raised against synthetic peptides patterned on the sequence of the expected gene product. Both methods have been used with great success by many investigators. Each has, nonetheless, its pitfalls and frustrations. This primer is meant to guide the researcher past those obstacles as much as possible. Graduate students and researchers interested in amino acid sequencing; molecular biologists, biochemists, chemists, and biotechnologists.
Author | : Patrick Fénichel |
Publisher | : John Libbey Eurotext |
Total Pages | : 518 |
Release | : 1995 |
Genre | : Medical |
ISBN | : 9782742000944 |
This valuable reference work provides a synthesis of the latest knowledge about the acrosomatic reaction of human sperm. The acrosomatic reaction, which is a fundamental step in the process of fertilisation, is examined on both the fundamental and clinical levels. Three very recent aspects are also dealt with: what happens to the acrosome during intracytoplasmic microinjections, the usefulness of screening spermatozoa that have completed their acrosomatic reaction, and the development of contraception by a vaccine that targets one of the proteins of the acrosome. International Symposium, Collioure, France, September 1995.