Fig. 1From: Diatom flagellar genes and their expression during sexual reproduction in Leptocylindrus danicus Sexual reproduction stages of Leptocylindrus danicus. Scale bars = 10 μm. a Epifluorescence micrograph of a chain of four vegetative cells. b Cell chains undergoing meiotic divisions, with spermatogonia visible as ‘tetrads’ (arrows). c Sperm with one flagellum (arrow). d Auxospore in the early developmental stage. e Light micrograph of a resting spore. f Scanning electron micrograph of a resting sporeBack to article page