• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

iBiology

Bringing the World's Best Biology to You

  • Start Here
    • Explore iBiology
    • All Playlists
    • All Speakers
    • All Talks
    • What’s new at iBiology?
  • Research Talks
    • Talks by Topic
      • Biochemistry
      • Bioengineering
      • Biophysics
      • Cell Biology
      • Development and Stem Cells
      • Ecology
      • Evolution
      • Genetics and Gene Regulation
      • Human Disease
      • Immunology
      • Microbiology
      • Neuroscience
      • Plant Biology
      • Techniques
      • Archive
    • Talks by Series
      • Bench to Bedside
      • Famous Discoveries
      • Great Unanswered Questions
      • Microscopy Series
      • Share Your Research Series
  • Stories
    • Background to Breakthrough
    • Interviews and Profiles
    • Science and Society
  • Courses
  • Careers
    • Professional Development Talks
    • Professional Development Courses
    • Career Exploration
    • NRMN Resources
    • Biomedical Workforce
  • Educators
  • About
    • Mission
    • Commitment to Inclusion
    • iBiology Team
    • Board of Directors
    • iBiology Funders and Partnerships
    • Contact Us
  • Donate
Home » Speakers » Ari Helenius
Ari Helenius

Ari Helenius

ETH

Share

Ari Helenius is from Finland where he studied Biochemistry in the University of Helsinki. During his PhD thesis work, which focussed on the analysis of membrane proteins, he and his colleagues started to work on the biochemical properties of enveloped animal viruses.

The simplicity and elegance of Semliki Forest virus and its membrane proved to be of great advantage in the analysis of basic membrane phenomena. Later while working as a staff scientist in the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, his work turned to the problem of virus cell interaction and virus entry. He and his colleagues demonstrated that many animal viruses enter cells by clathrin-mediated endocytosis, and that they possess spike glycoproteins with acid-activated membrane fusion activity.This allows their escape from endosomes.

Over the years as a Professor at Yale University Medical School and more recently in ETH Zurich, he and his group have continued to work on viruses and cells. In addition they have addressed basic cell biological questions such as protein folding in living cells, quality control, and secretion.

Talks with this Speaker

Viral Infection: Virus Entry and Subsequent Steps

Successful viral infection requires that a virus enters a cell and hijacks the host cell machinery to replicate its genome and make viral proteins. Ari Helenius tells us how this happens. (Talk recorded in February 2009)

  • Part 1: Virus Entry
    Part 1: Virus Entry
    Audience:
    • Student
    • Researcher
    • Educators of H. School / Intro Undergrad
    • Educators of Adv. Undergrad / Grad
    Duration: 40:10
  • Part 2: Endocytosis and Penetration
    Part 2: Endocytosis and Penetration
    Audience:
    • Student
    • Researcher
    • Educators of H. School / Intro Undergrad
    • Educators of Adv. Undergrad / Grad
    Duration: 30:18
  • Part 3: Open Sesame: Cell Entry and Vaccinia Virus
    Part 3: Open Sesame: Cell Entry and Vaccinia Virus
    Audience:
    • Student
    • Researcher
    • Educators of H. School / Intro Undergrad
    • Educators of Adv. Undergrad / Grad
    Duration: 30:25

Primary Sidebar

Help us keep bringing the world’s best biology to you!

Sign up for the Science Communication Lab education newsletter

  • Sign up Newsletter
  • This field is for validation purposes and should be left unchanged.

Privacy Policy

Footer

Funders

NSF
NIGMS
Lasker
Rita Allen

Start Here

  • Talks for Everyone
  • Talks for Students
  • Talks for Research
  • Talks for Educators

Explore

  • Explore
  • All Playlists
  • All Speakers
  • All Talks

Talks By Topic

  • Biochemistry
  • Bioengineering
  • Biophysics
  • Cell Biology
  • Development and Stem Cells
  • Ecology
  • Genetics and Gene Regulation
  • Human Disease
  • Immunology
  • Microbiology
  • Neuroscience
  • Plant Biology
  • Techniques

Talks by Series

  • Bench to Bedside
  • Famous Discoveries
  • Great Questions
  • Share Your Research Series

Career

  • Professional Development
  • Career Exploration
  • NRMN Resources
  • Biomedical Workforce

Courses

  • Microscopy Series
  • Short Microscopy Series
  • Open edX Courses
  • Cell Biology Flipped Course
  • Engineering Life Flipped Course
  • Evolution Flipped Course

Educator

  • Educator Registration
  • Educator Resources
  • Log In

About Us

  • About Us
  • iBiology Team
  • Wonder Collaborative
  • Contact Us
  • Mission
  • Privacy Policy
  • SCL Financial Conflict of Interest Policy

This material is based upon work supported by the National Science Foundation and the National Institute of General Medical Sciences under Grant No. 2122350 and 1 R25 GM139147. Any opinion, finding, conclusion, or recommendation expressed in these videos are solely those of the speakers and do not necessarily represent the views of the Science Communication Lab/iBiology, the National Science Foundation, the National Institutes of Health, or other Science Communication Lab funders.

© 2023 - 2006 iBiology · All content under CC BY-NC-ND 3.0 license · Privacy Policy · Terms of Use · Usage Policy
 

Power by iBiology