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Cyclic Nucleotide-Specific Optogenetics Highlights Compartmentalization of the Sperm Flagellum into cAMP Microdomains

Title data

Raju, Diana N. ; Hansen, Jan N. ; Rassmann, Sebastian ; Stüven, Birthe ; Jikeli, Jan F. ; Strünker, Timo ; Körschen, Heinz G. ; Möglich, Andreas ; Wachten, Dagmar:
Cyclic Nucleotide-Specific Optogenetics Highlights Compartmentalization of the Sperm Flagellum into cAMP Microdomains.
In: Cells. Vol. 8 (2019) Issue 7 . - p. 648.
ISSN 2073-4409
DOI: https://doi.org/10.3390/cells8070648

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Inside the female genital tract, mammalian sperm undergo a maturation process called capacitation, which primes the sperm to navigate across the oviduct and fertilize the egg. Sperm capacitation and motility are controlled by 3′,5′-cyclic adenosine monophosphate (cAMP). Here, we show that optogenetics, the control of cellular signaling by genetically encoded light-activated proteins, allows to manipulate cAMP dynamics in sperm flagella and, thereby, sperm capacitation and motility by light. To this end, we used sperm that express the light-activated phosphodiesterase LAPD or the photo-activated adenylate cyclase bPAC. The control of cAMP by LAPD or bPAC combined with pharmacological interventions provides spatiotemporal precision and allows to probe the physiological function of cAMP compartmentalization in mammalian sperm.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: beat pattern; cAMP; cilia; flagella; motility; navigation; optogenetics; sperm
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Biochemistry > Chair Biochemistry - Univ.-Prof. Dr. Andreas Möglich
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 570 Life sciences, biology
Date Deposited: 12 Jul 2019 08:56
Last Modified: 12 Jul 2019 08:56
URI: https://eref.uni-bayreuth.de/id/eprint/51417