Cypress pollen grains observed in scanning electron microscopy (2200X). Orbicules or “Ubisch bodies” (300 – 600nm granules), characteristics of Cupressaceae pollen, are visible on the surface of the exine (outer membrane). © Youcef Shahali / Colorization Jean-Marc Panaud, Institut Pasteur. Working in collaboration with teams from the Czech Republic and Japan, researchers from the Institut … Continue reading Allergies: cross-reactivity between cypress pollen and peaches/citrus fruits finally explained