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Progress In Mosquito Research

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ISBN : 9780128026304
Genre : Science
File Size : 67.38 MB
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Progress in Mosquito Research provides readers with the latest interdisciplinary reviews on the topic. It is an essential reference source for invertebrate physiologists, neurobiologists, entomologists, zoologists, and insect chemists, with Volume 51 focusing on recent progress in mosquito research. Presents a comprehensive overview of recent progress in mosquito science Written by leaders in their respective areas of mosquito research Ideal resource for invertebrate physiologists, neurobiologists, entomologists, zoologists, and insect chemists
Category: Science

Fortschritte Der Chemie Organischer Naturstoffe Progress In The Chemistry Of Organic Natural Products

Author : W. Herz
ISBN : 3211828508
Genre : Medical
File Size : 69.51 MB
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In order to make further progress in elucidating the mechanism of NOS catalysis it will be essential to throw light on the interaction between the enzyme and its substrate. An understanding of the catalytic site will also assist the development of therapeutically important NOS inhibitors. In particular. it will be useful to uncover any differences that exist between the substrate binding sites of the three NOS isozymes which might be exploited for the development of isoform selective NOS inhibitors. A comparison of NOS to other Arg-binding proteins has shown no significant sequence homology (159). Moreover, the lack of a 3D structure and absence of significant sequence homology between the NOS oxygenase domain and known cytochromes P450 has made it difficult to identify residues and construct a model of the distal heme pocket responsible for substrate binding. However, a number of groups are currently working towards crystallisation of the separate NOS reductase and oxygenase domains of the three isoforms for X-ray diffraction studies; the first X-ray structure is likely to be forthcoming within a matter of months. * The results of these studies are expected to resolve many of the uncertainties surrounding the structure of the NOS catalytic site. Preliminary X-ray diffraction analysis of CPR from rat liver has already been reported by MASTERS et al. (524) and the future emergence of a detailed structure for this protein should throw light on the structure and function of the NOS reductase domain.
Category: Medical

Advances In Disease Vector Research

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ISBN : 9781461225904
Genre : Science
File Size : 29.3 MB
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Volume 10 of Advances in Disease Vector Research consists of seven chapters on vectors that affect human or animal health and six chapters on plant pathogens and their vectors. In Chapter 1, Yasuo Chinzei and DeMar Taylor discuss hormonal regulation of vitellogenesis in ticks. Many blood sucking insects and ticks transmit pathogens by engorgement, which induces vitellogenesis and oviposition in adult animals. To investigate the pathogen transmission mechanism in vector animals, information on the host physiological and endocrinological conditions after engorgement is useful and important because pathogen development or proliferation occurs in the vector hosts at the same time as the host reproduction. Chinzei and Taylor have shown that in ticks, juvenile hormone (JH) is not involved in the endocrinological processes inducing vitellogenin biosynthesis. Synganglion (tick brain) factor(s) (vitellogenesis inducing factor, VIF) is more important to initiate vitellogenesis after engorgement, and ecdysteroids are also related to induction of vitellogenin synthesis. In their chapter, based mainly on their own experimental data, the authors discuss the characterization of main yolk protein, vitellogenin (Vg) , biosynthesis and processing in the fat body, and hormonal regulation of Vg synthesis in tick systems, including ixodid and argasid ticks.
Category: Science

Eine Kurze Geschichte Der Menschheit

Author : Yuval Noah Harari
ISBN : 9783641104986
Genre : History
File Size : 38.62 MB
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Krone der Schöpfung? Vor 100 000 Jahren war der Homo sapiens noch ein unbedeutendes Tier, das unauffällig in einem abgelegenen Winkel des afrikanischen Kontinents lebte. Unsere Vorfahren teilten sich den Planeten mit mindestens fünf weiteren menschlichen Spezies, und die Rolle, die sie im Ökosystem spielten, war nicht größer als die von Gorillas, Libellen oder Quallen. Vor 70 000 Jahren dann vollzog sich ein mysteriöser und rascher Wandel mit dem Homo sapiens, und es war vor allem die Beschaffenheit seines Gehirns, die ihn zum Herren des Planeten und zum Schrecken des Ökosystems werden ließ. Bis heute hat sich diese Vorherrschaft stetig zugespitzt: Der Mensch hat die Fähigkeit zu schöpferischem und zu zerstörerischem Handeln wie kein anderes Lebewesen. Anschaulich, unterhaltsam und stellenweise hochkomisch zeichnet Yuval Harari die Geschichte des Menschen nach und zeigt alle großen, aber auch alle ambivalenten Momente unserer Menschwerdung.
Category: History

Recent Advances In Entomological Research

Author : Tong-Xian Liu
ISBN : 9783642178153
Genre : Science
File Size : 32.53 MB
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In recent years the field of entomology, due in part to the penetration of other disciplines, has made rapid progress. “Recent Advances in Entomological Research: From Molecular Biology to Pest Management” includes 25 chapters contributed by more than 40 distinguished entomologists and introduces the latest progress in entomology, from molecular biology, insect-plant interactions and insecticide toxicology, to emerging technologies in pest management. Not only is the book interesting and informative, but it provides useful, innovative research advances and will serve as a valuable resource for entomologists, zoologists, botanists and other researchers in the field of plant protection. Tong-Xian Liu is a professor of entomology at the College of Plant Protection, Northwest A&F University, China. Le Kang is a professor of entomology at the Institute of Zoology, Chinese Academy of Sciences, China.
Category: Science

Mosquito News

Author :
ISBN : UIUC:30112009588200
Genre : Mosquitoes
File Size : 27.47 MB
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Category: Mosquitoes

Wohlstand Und Armut Der Nationen

Author : David Landes
ISBN : 9783641051112
Genre : History
File Size : 33.60 MB
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Das Standardwerk zur Wirtschaftsgeschichte Kaum eine Frage ist umstrittener und stärker mit Ideologie befrachtet als die, warum manche Länder wirtschaftlich äußerst erfolgreich sind, während andere unfähig scheinen, aus ihrer Armut herauszufinden. Liegt es am Klima? An der Kultur? An der Politik? In seiner umfassenden Geschichte über die Weltwirtschaft der letzten sechshundert Jahre entwickelt David Landes Antworten auf diese Fragen und bietet zugleich ein Standardwerk zur Geschichte der Weltwirtschaft.
Category: History

Comprehensive Insect Physiology Biochemistry And Pharmacology Pharmacology

Author : G. A. Kerkut
ISBN : 0080308120
Genre : Science
File Size : 60.81 MB
Format : PDF
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Over the past 25 years insect pharmacology has grown from a fledgling subject to one that occupies a major field of science. Volume ll reviews insect pharmacology past and present and effectively captures the growing confidence which imbues the world of the insect pharmacologist. It contains l5 chapters written in authoritative fashion by leading scientists and is fully illustrated and referenced. Insect preparations are proving ideal for resolving problems in pharmacology which have general significance, particularly at the molecular and genetic levels. This volume contains a wealth of data, information and ideas and will therefore be a valuable asset to all in academic or industrial research concerned with the science and control of insects.
Category: Science