Dissecting the Glucose Sensing and Signaling Pathway in Saccharomyces Cerevisiae PDF Download
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Author: Vidhya Ramakrishnan
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
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Book Description
Author: Vidhya Ramakrishnan
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
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Book Description
Author: Shadia Zaman
Publisher:
ISBN: 9780549110941
Category :
Languages : en
Pages : 268
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Book Description
In chapter 3, we present studies on identification of targets of a glucose regulated transcription factor, Mig1. We were unsuccessful in identifying Migl targets. The insight from these studies will be discussed.
Author: Renan Antonio Escalante Chong
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Cells need to sense the environment in order to survive, in particular they need to detect nutrients which will provide different building blocks and energy for the cell. This task is complicated by the fact that there can be multiple sources for the same type of nutrient available for the cell. A classical example of how cells sense multiple signals is given by carbon catabolite repression in the budding yeast S. cerevisiae. In this model the preferred carbon source glucose represses the genes used to metabolize an alternative source such as galactose. This means that the preferred carbohydrate glucose is thought to inhibit the induction of galactose genes when above a threshold concentration. Instead, we show that galactose metabolic genes (GAL) induction depends on the ratio of galactose and glucose. Surprisingly, we find that a critical portion of information processing occurs upstream of the canonical components of the GAL pathway. We then explore how cells choose between different responses to the environment. Specifically, we set out to characterize the variability in the response to combinations of galactose and glucose between several natural yeast isolates. To elucidate the genetic basis of this phenotypic variation we use QTL mapping on these strains. Our study reveals that a signal transducer GAL3 plays a central role in establishing variation in GAL gene induction.Lastly, we focus on the control of transcription in the cell. Many promoters in the cell produce both a coding transcript and a divergent transcript. To identify mutants that affect transcriptional directionality we use a bidirectionalfluorescent protein reporter in the yeast nonessential gene deletion collection. We determine that chromatin assembly can regulate divergent transcription. Moreover, mutations in the chromatin assembly factor CAF-I can lead to genome wide derepression of nascent divergent transcription.
Author: James Alan Brown
Publisher:
ISBN:
Category :
Languages : en
Pages : 564
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Author: Luis Fernando Montaño-Gutierrez
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: František Baluška
Publisher: Springer Science & Business Media
ISBN: 3540892281
Category : Science
Languages : en
Pages : 307
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Book Description
This is the first comprehensive monograph on all emerging topics in plant signaling. The book addresses diverse aspects of signaling at all levels of plant organization. Emphasis is placed on the integrative aspects of signaling.
Author: Channing Der
Publisher: Springer
ISBN: 9781402043284
Category : Medical
Languages : en
Pages : 0
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Book Description
Since 1982, Ras proteins have been the subject of intense research investigation by the biomedical research community. The wide interest in Ras has been stimulated for three key reasons. This book features chapters contributed by leading investigators in the field that highlight the current state-of-the art in Ras biochemistry, structure and biology. This book is an excellent reference for students in the biomedical sciences and for investigators in the field.
Author: J Richardson Dickinson
Publisher: CRC Press
ISBN: 1482295407
Category : Medical
Languages : en
Pages : 347
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Book Description
This text emphasises the importance of staying informed about Saccharomyces cerevisiae as it provides the intellectual basis for much of the molecular and cellular biology of eukaryotes. It offers yeast users a concise account of the metabolism and physiology of this organism. Chapters include: life cycle and morphogenesis; carbon metabolism, nitro
Author: Matteo Barberis
Publisher: Frontiers Media SA
ISBN: 2889459837
Category :
Languages : en
Pages : 340
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Book Description
Mathematical models have become invaluable tools for understanding the intricate dynamic behavior of complex biochemical and biological systems. Among computational strategies, logical modeling has been recently gaining interest as an alternative approach to address network dynamics. Due to its advantages, including scalability and independence of kinetic parameters, the logical modeling framework is becoming increasingly popular to study the dynamics of highly interconnected systems, such as cell cycle progression, T cell differentiation and gene regulation. Novel tools and standards have been developed to increase the interoperability of logical models, which can now be employ to respond a variety of biological questions. This Research Topic brings together the most recent and cutting-edge approaches in the area of logical modeling including, among others, novel biological applications, software development and model analysis techniques.
Author: José Ramos
Publisher: Springer
ISBN: 3319253042
Category : Science
Languages : en
Pages : 381
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Book Description
This contributed volume reviews the recent progress in our understanding of membrane transport in yeast including both Saccharomyces cerevisiae and non-conventional yeasts. The articles provide a summary of the key transport processes and put these in a systems biology context of cellular regulation, signal reception and homeostasis. After a general introduction, readers will find review articles covering the mechanisms and regulation of transport for various substrates ranging from diverse nutrients to cations, water and protons. These articles are complemented by a chapter on extremophilic yeast, a chapter on the mathematical modelling of ion transport and two chapters on the role of transport in pathogenic yeasts and antifungal drug resistance. Each article provides both a general overview of the main transport characteristics of a specific substrate or group of substrates and the unique details that only an expert working in the field is able to transmit to the reader. Researchers and students of the topic will find this book to be a useful resource for membrane transport in yeast collecting information in one complete volume, which is otherwise scattered across many papers. This might also be interesting for scientists investigating other species in order to compare transport mechanisms with known functions in yeast with the cells on which they work.
