A Genetic and Molecular Analysis of Interactions Between the Drosophila Melanogaster Neurogenic Genes Delta and Notch PDF Download
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Author: Scott Brockwell Shepard
Publisher:
ISBN:
Category :
Languages : en
Pages : 380
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Author: Scott Brockwell Shepard
Publisher:
ISBN:
Category :
Languages : en
Pages : 380
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Author: Pamela Jaai Kooh
Publisher:
ISBN:
Category :
Languages : en
Pages : 388
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Author: Leslie Ann Silver
Publisher:
ISBN:
Category :
Languages : en
Pages : 134
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Author: Tilman Borggrefe
Publisher: Springer
ISBN: 3319895125
Category : Science
Languages : en
Pages : 417
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Book Description
This book describes the Notch signaling pathway with a focus on molecular mechanisms. The Notch signaling pathway is a seemingly simple pathway that does not involve any second messenger. Upon ligand binding two consecutive proteolytic cleavages of the NOTCH receptor release the Notch intracellular domain from the membrane. The Notch intracellular domain migrates into the nucleus and activates gene expression. Recently, new technologies allowed us to better understand this pivotal signaling cascade and revealed new regulatory mechanisms. The different chapters cover many aspects of the Notch signaling focusing on the mechanisms governing the receptor/ligand interaction as well as on the downstream intracellular signaling events. Aspects of both canonical and non-canonical signaling are discussed and the function of Notch signaling in physiological and pathological contexts are elucidated. This book is not only intended for experts but it should also be a useful resource for young, sprouting scientists or interested scientists from other research areas, who may use this book as a stimulating starting point for further discoveries and developments.
Author: Craig Allen Lampitt Riedl
Publisher:
ISBN: 9780494399873
Category :
Languages : en
Pages : 326
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Book Description
A major challenge for modern Biology involves the elucidation of the genetic and molecular mechanisms that underlie natural variation in behavioural phenotypes. In the fruit fly, Drosophila melanogaster, many genes that influence behaviours have been identified, primarily as a result of their mutant effects. However, the contributions of variation in these genes to naturally maintained behavioural variation is often unknown. The identification of genetic variation effecting naturally maintained behavioural variation will provide insight for therapeutic interventions. By resolving and quantifying the plasticity or flexibility present and maintained in the molecular cascades that regulate behavioural responses in natural populations, researchers will identify therapeutic limits within which it may be possible to manipulate the systems while potentially minimizing undesirable side effects. Toward enhancing the understanding of the genetic bases of natural behavioural variation, this thesis presents research on three different phenotypes, each of which have been previously described to different degrees. The first study involves an investigation meant to further resolve the molecular mechanism by which allelic variation in the for gene effects differences in foraging behaviours. The second study presents efforts to identify the genetic basis for variation in pupation position, a well-studied behaviour with known fitness consequences, and presents an initial description of associated variation in wandering behaviours. The third study investigates pupation behaviour from a more physiological perspective. In this study it was observed that larvae selected for high NaCl tolerance, which may have altered osmoregulatory abilities, pupate significantly farther from their growth media than do wild-type larvae. As a result, an effort was made to map the genetic factors effecting natural variation in NaCl tolerance. Taken as a whole, this work has the potential for extending the mechanistic understanding of complex interactions between genetic and environmental effects and the resultant behavioural responses.
Author: Douglas McIntosh Fambrough
Publisher:
ISBN:
Category :
Languages : en
Pages : 526
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Author: Kevin Moses
Publisher: Springer Science & Business Media
ISBN: 9783540425908
Category : Medical
Languages : en
Pages : 296
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Book Description
1 Kevin Moses It is now 25 years since the study of the development of the compound eye in Drosophila really began with a classic paper (Ready et al. 1976). In 1864, August Weismann published a monograph on the development of Diptera and included some beautiful drawings of the developing imaginal discs (Weismann 1864). One of these is the first description of the third instar eye disc in which Weismann drew a vertical line separating a posterior domain that included a regular pattern of clustered cells from an anterior domain without such a pattern. Weismann suggested that these clusters were the precursors of the adult ommatidia and that the line marks the anterior edge of the eye. In his first suggestion he was absolutely correct - in his second he was wrong. The vertical line shown was not the anterior edge of the eye, but the anterior edge of a moving wave of patterning and cell type specification that 112 years later (1976) Ready, Hansen and Benzer would name the "morphogenetic furrow". While it is too late to hear from August Weismann, it is a particular pleasure to be able to include a chapter in this Volume from the first author of that 1976 paper: Don Ready! These past 25 years have seen an astonishing explosion in the study of the fly eye (see Fig.
Author: John Smith Dexter
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 58
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Author: Birong Hu
Publisher:
ISBN:
Category :
Languages : en
Pages : 290
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Author:
Publisher: Academic Press
ISBN: 0080579213
Category : Science
Languages : en
Pages : 357
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Book Description
Insect physiology is currently undergoing a revolution with the increased application of molecular biological techniques to investigate the molecular mechanisms underlying the physiological responses to insect cells. Advances in Insect Physiology has instituted a commitment to the publication of high quality reviews on molecular biology and molecular genetics in areas where they provide an increased understanding of physiological processes in insects. Volume 25 contains increased coverage on the molecular biology of insect physiology.
