The Cloning and Characterization of the MMS13 DNA Repair Gene of Saccharomyces Cerevisiae PDF Download
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Author: Jeff A. Boomer
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Category :
Languages : en
Pages :
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Author: Jeff A. Boomer
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Category :
Languages : en
Pages :
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Author: Elizabeth Ching-wen Yang
Publisher:
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Category :
Languages : en
Pages : 304
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Author: Joyce Geneine Slusser
Publisher:
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Category :
Languages : en
Pages : 168
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Author: June-Home Chen
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Category : Saccharomyces cerevisiae
Languages : en
Pages : 114
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Author:
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Category :
Languages : en
Pages :
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Studies in two independent, but related, areas of DNA repair have been carried out in Saccharomyces cerevisiae; characterization of a new allele in the RAD6 gene which suggests that the gene is multifunctional, and utilization of photoreactivation as a probe of events occurring during the first cell cycle after DNA damage. Strains carrying the new allele, designated rad6-4, are as sensitive to uv and ionizing radiation as those carrying rad6-1 or rad6-3 but, unlike them, are capable of induced mutagenesis and sporulation. Although rad6-4 may well be a missense mutation, the evidence shows that it is unlikely that this phenotype is due to leakiness. Instead, the data suggest that the RAD6 gene is multifunctional. One function is necessary to recover from DNA damage in an error-free manner, and the other is concerned with mutagenic processes and sporulation. Rad6-1 and rad6-3 strains are deficient in both of these functions, while rad6-4 strains are deficient only in the error-free function. The loss of photoreversibility (LOP) of ultraviolet induced mutations to arginine independence in an excision defective strain carrying arg4-17 examines the events occurring in the first cell cycle after DNA damage. LOP is dependent upon de novo protein synthesis. LOP begins immediately after UV irradiation, before semiconservative DNA synthesis takes place, and is complete after four hours in growth medium. There is no evidence indicating whether the normal function of the protein is involved in excision repair, or in one of the two repair processes believed to be inducible; induced mutagenesis or recombinational repair.
Author: Mahendra Rai
Publisher: Springer Science & Business Media
ISBN: 3642183123
Category : Science
Languages : en
Pages : 306
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Following an introduction to biogenic metal nanoparticles, this book presents how they can be biosynthesized using bacteria, fungi and yeast, as well as their potential applications in biomedicine. It is shown that the synthesis of nanoparticles using microbes is eco-friendly and results in reproducible metal nanoparticles of well-defined sizes, shapes and structures. This biotechnological approach based on the process of biomineralization exploits the effectiveness and flexibility of biological systems. Chapters include practical protocols for microbial synthesis of nanoparticles and microbial screening methods for isolating a specific nanoparticle producer as well as reviews on process optimization, industrial scale production, biomolecule-nanoparticle interactions, magnetosomes, silver nanoparticles and their numerous applications in medicine, and the application of gold nanoparticles in developing sensitive biosensors.
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Category : Genetics
Languages : en
Pages : 912
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Category : Dissertations, Academic
Languages : en
Pages : 752
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Author: Gurdev S. Khush
Publisher: Int. Rice Res. Inst.
ISBN: 157808167X
Category : Science
Languages : en
Pages : 501
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Geneticists contribute on a wide range of topics in this book, from classical genetics to the most advanced research on sequencing of the rice genome and functional genomics. They review advances in rice research and discuss molecular markers, genome organization and gene isolation.
Author: Mahendra Rai
Publisher: CABI
ISBN: 1780642237
Category : Science
Languages : en
Pages : 247
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Book Description
There are physical and chemical methods of synthesis of nanomaterials. But due to the damage caused by these methods to the environment there is a pressing need of green nanotechnology, which is a clean and eco-friendly technology for the development of nanomaterials. The present book includes green synthesis of nanoparticles by algae, diatoms and plants. The mechanism behind the synthesis of nanoparticles will also be discussed. The book would be a valuable resource for students, researchers and teachers of biology, chemistry, chemical technology, nanotechnology, microbial technology and those who are interested in green nanotechnology.
