Biologie in Unserer Zeit最新文献

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Bürzeldrüse – Truthahn im Fokus 盯住火鸡
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202070610
Wilhelm Irsch
{"title":"Bürzeldrüse – Truthahn im Fokus","authors":"Wilhelm Irsch","doi":"10.1002/biuz.202070610","DOIUrl":"10.1002/biuz.202070610","url":null,"abstract":"<p>In Amerika hat er Kultstatus („Thanksgiving“) und auch hierzulande ist er ein beliebtes Nutztier. Die Männchen machen nicht nur durch auffällige Farbmuster, sondern auch durch ihre Stimme (ein häufig wiederholtes „Gobbel-obbel-obbel“) auf sich aufmerksam. Dass sie durchaus wehrhaft sein können, merken diejenigen, die sich ihnen unvermittelt nähern, aber auch sonst zeigen sie sich durchaus abwehrbereit, beispielsweise gegenüber Mikroben, die ihnen das Gefieder zerfleddern könnten.</p>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"395"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202070610","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45605317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TV-Tipp 电视提示
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202070617
{"title":"TV-Tipp","authors":"","doi":"10.1002/biuz.202070617","DOIUrl":"10.1002/biuz.202070617","url":null,"abstract":"","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"456"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202070617","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47216529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
„Small Talk“
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202010720
Nazzareno Dominelli, Prof. Dr. Ralf Heermann
{"title":"„Small Talk“","authors":"Nazzareno Dominelli,&nbsp;Prof. Dr. Ralf Heermann","doi":"10.1002/biuz.202010720","DOIUrl":"10.1002/biuz.202010720","url":null,"abstract":"<p><b>The silent communication of bacteria</b></p><p>Bacteria communicate via small diffusible molecules, a process that microbiologists refer to as quorum sensing. These language molecules are released by the bacteria in the environment and are then sensed by their neighbours via specific receptors. Thus, the community can arrange and adapt specific phenotypes in dependence on the cell count termed quorum. Due to the different structures and modifications of the communication molecules bacteria have evolved different languages and dialects, which can in addition give information about time and venue. Moreover, bacteria have small talk with their hosts such as animals, plants and yet humans. Since communication is a prerequisite for the infection of hosts by pathogenic bacteria, the molecular components of the bacterial communication are promising candidates as targets for badly needed new antimicrobial drugs.</p>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"414-423"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202010720","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41302465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Live-Imaging – Mikroskopieren in Echtzeit 实时图像实时
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202070611
Stefan Uhlenküken
{"title":"Live-Imaging – Mikroskopieren in Echtzeit","authors":"Stefan Uhlenküken","doi":"10.1002/biuz.202070611","DOIUrl":"10.1002/biuz.202070611","url":null,"abstract":"<p>Zum Forschen gehört, dass die Ergebnisse festgehalten werden, und das kann ganz unterschiedlich aussehen. In der Zellbiologie wurde schon seit der Erfindung des Mikroskops zeichnerisch festgehalten, was man unter die Linse bekam. Heute stehen viele verschiedene Mikroskopiertechniken in den Laboren zur Verfügung, wobei das Live-Imaging sicherlich eine der Interessantesten ist, denn es ermöglicht das Mikroskopieren von Lebewesen in Echtzeit.</p>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"396-397"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202070611","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44702864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Faszination Malakologie
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202010725
Mag. Dr. Robert Sturm
{"title":"Faszination Malakologie","authors":"Mag. Dr. Robert Sturm","doi":"10.1002/biuz.202010725","DOIUrl":"10.1002/biuz.202010725","url":null,"abstract":"<div>\u0000 \u0000 <p><b>Fascination malacology – aquatic molluscs in the city of Salzburg</b></p>\u0000 <p>The present contribution is dedicated to the malacological mapping of the urban area of Salzburg. For the evaluation of the aquatic mollusc species occurring within the city boundaries, numerous sample locations were investigated and standard procedures of animal collection were applied. In total, the city of Salzburg is currently colonized by 24 species of freshwater gastropods and 14 species of bivalves, which corresponds to about 55 per cent of all aquatic mollusc species documented in Austria so far. In natural biotopes, which can be found in the north and south of the urban area, life communities including up to 20 mollusc species can be observed, whereas waters characterized by high anthropogenic influence exhibit a remarkable pauperization of species. Generally, malacological research in the urban area is still at the beginning of its development.</p>\u0000 </div>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"444-449"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202010725","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42070208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Klonierung als Schulexperiment 被复制为校园实验
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202070609
Dietmar Scherr, Michaela Scherr
{"title":"Klonierung als Schulexperiment","authors":"Dietmar Scherr,&nbsp;Michaela Scherr","doi":"10.1002/biuz.202070609","DOIUrl":"10.1002/biuz.202070609","url":null,"abstract":"<p>Mitte bis Ende der 90er Jahre des letzten Jahrhunderts wurden mit Unterstützung des Verbands der chemischen Industrie (VCI) bzw. des Fonds der chemischen Industrie (FCI) eine Folienserie „Biotechnologie“ von Hochschullehrern und Experten aus der Industrie entwickelt, um dieses anwendungsbezogene Thema auch in Schulen in den Lehrplan zu integrieren und zur Diskussion zu stellen. Daneben entstand das Experimentier-Kit „Blue Genes“, dessen Inhalt gentechnisches Arbeiten erlaubte. Vor etwa 15 Jahren wurde das Kit von der Firma Roche optimiert, wird nun aber schon seit geraumer Zeit nicht mehr bereitgestellt. Damit der blaue Koffer wieder sinnvoll eingesetzt werden kann, beschreiben wir hier für die experimentierfreudigeren Kollegen ein schnelles, gutes und kostengünstiges Experiment, das in der Max-Beckmann-Schule in Frankfurt am Main von Schüler*innen durchgeführt wurde.</p>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"394-395"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202070609","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49565846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gold Plating 镀金
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202070614
Andrea Hauk
{"title":"Gold Plating","authors":"Andrea Hauk","doi":"10.1002/biuz.202070614","DOIUrl":"10.1002/biuz.202070614","url":null,"abstract":"<p>Fehlentscheidungen sind menschlich. Wir aber lassen in unserer neuen Serie „Management-Fallstricke“ einmal die Tiere zu Wort kommen. In Form von Fabeln vermittelt unsere Autorin Andrea Hauk in anschaulicher Weise typische Denkfehler, die auf allen Managementebenen zu Hause sind. Vielleicht sind Sie ja selbst auch schon einmal in die eine oder andere Falle getappt?</p>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"452-453"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202070614","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46645296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Der Mann aus dem Eis 那个冰人
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202010719
PD Dr. Albert Zink
{"title":"Der Mann aus dem Eis","authors":"PD Dr. Albert Zink","doi":"10.1002/biuz.202010719","DOIUrl":"10.1002/biuz.202010719","url":null,"abstract":"<div>\u0000 \u0000 <p><b>New scientific findings on the Iceman</b></p>\u0000 <p>The Iceman, commonly referred to as Ötzi, is the world's oldest glacier mummy and one of the best studied ancient humans in the world. Since the discovery of the 5300-year-old Copper Age individual in 1991, at the Tisenjoch in the Eastern Italian Alps, a variety of morphological, radiological, and molecular analyses have been applied that revealed important insights into his ancestry, his life habits and the circumstances surrounding his violent death. In more recent research, the mummy was subjected to modern research methodologies focusing on high-throughput sequence analysis of ancient biomolecules (DNA, proteins, lipids) that are still found to be preserved in his mummified tissues. Thereby, a genetic predisposition for increased risk for coronary heart disease and the stomach pathogen <i>Helicobacter pylori</i> were detected. This application of innovative “-omics” technologies have allowed the reconstruction of his last meal, that was mainly composed of fat and game meat from wild animals supplemented with cereals from einkorn.</p>\u0000 </div>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"406-413"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202010719","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44015142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Wieviele Mikrobenarten gibt es? (Teil 1) 有多少微生物呢?(第一部分)
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202070613
Harald Engelhardt
{"title":"Wieviele Mikrobenarten gibt es? (Teil 1)","authors":"Harald Engelhardt","doi":"10.1002/biuz.202070613","DOIUrl":"10.1002/biuz.202070613","url":null,"abstract":"<p>Derzeit sind über 20 000 Arten von Mikroorganismen, gemeint sind hier Bakterien und Archaeen, beschrieben und benannt. Die Mikrobiologen sind sich einig darüber, dass die bekannten Spezies tatsächlich nur einen kleinen Ausschnitt der mikrobiellen Diversität darstellen. Über die Anzahl der auf unserer Erde lebenden Arten gehen die Schätzungen allerdings weit auseinander. Dabei dreht sich die Diskussion gar nicht um eine ungefähre Zahl, sondern um deren Größenordnung.</p>","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"450-451"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202070613","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43565785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inhalt: Biologie in unserer Zeit 6/2020 内容:2020年的生物学
Biologie in Unserer Zeit Pub Date : 2020-12-07 DOI: 10.1002/biuz.202070603
{"title":"Inhalt: Biologie in unserer Zeit 6/2020","authors":"","doi":"10.1002/biuz.202070603","DOIUrl":"10.1002/biuz.202070603","url":null,"abstract":"","PeriodicalId":38671,"journal":{"name":"Biologie in Unserer Zeit","volume":"50 6","pages":"382-387"},"PeriodicalIF":0.0,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/biuz.202070603","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45498102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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