January 2015 Download icon

Episode 17: January 2015

In this episode we hear about controlling sperm by optogenetics, hibernation, body clocks, enzyme structure, and a way to overcome stress-induced infertility.
Podcast
Episode 17: January 2015
Laetitia C (CC BY-SA 3.0)

Chapters

  1. 0:36
    Remote controlled sperm
    Light can be used to control the motility of sperm.
    This chapter is based on the following content
  2. 5:30
    Heating up in a hurry
    Specially protected messenger RNA molecules allow hibernating squirrels to warm up quickly.
    This chapter is based on the following content
    • Research Article by Katharine R Grabek, Cecilia Diniz Behn ... Sandra L Martin
  3. 11:03
    A second body clock
    Dopamine drives an "ultradian" clock with a period of around four hours in mice.
    This chapter is based on the following content
  4. 15:26
    Modelling molecules
    Learning more about how enzymes work could lead to the design of new enzymes.
    This chapter is based on the following content
    • Short Report by Alfonso De Simone, Francesco A Aprile ... Michele Vendruscolo
  5. 20:19
    How stress causes infertility
    Switching off the RFRP3 gene in the hypothalamus prevents stress-induced infertility in rats.
    This chapter is based on the following content
    • Short Report by Anna C Geraghty, Sandra E Muroy ... Daniela Kaufer

Related

    1. Cell Biology

    Controlling fertilization and cAMP signaling in sperm by optogenetics

    Vera Jansen, Luis Alvarez ... Dagmar Wachten
    1. Genetics and Genomics

    Enhanced stability and polyadenylation of select mRNAs support rapid thermogenesis in the brown fat of a hibernator

    Katharine R Grabek, Cecilia Diniz Behn ... Sandra L Martin
    1. Neuroscience

    A highly tunable dopaminergic oscillator generates ultradian rhythms of behavioral arousal

    Ian D Blum, Lei Zhu ... Kai-Florian Storch
    1. Structural Biology and Molecular Biophysics

    Structure of a low-population intermediate state in the release of an enzyme product

    Alfonso De Simone, Francesco A Aprile ... Michele Vendruscolo
    1. Neuroscience

    Knockdown of hypothalamic RFRP3 prevents chronic stress-induced infertility and embryo resorption

    Anna C Geraghty, Sandra E Muroy ... Daniela Kaufer