1. Charles University, Faculty of Science, Department of Zoology, Prague, Czech Republic
2. Charles University, Faculty of Science, Department of Cell Biology, Prague, Czech Republic
3. Czech University of Life Sciences, Faculty of Agrobiology, Food and Natural Resources, Department of Animal Science, Prague, Czech Republic
4. GABI, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
5. European Molecular Biology Laboratory, Heidelberg 69117, Germany