Wolken J (1977). «Euglena: the photoreceptor system for phototaxis». J Protozool24 (4): 518-22. PMID413913.
Dieckmann C (2003). «Eyespot placement and assembly in the green alga Chlamydomonas». Bioessays25 (4): 410-6. PMID12655648.
Suzuki T, Yamasaki K, Fujita S, Oda K, Iseki M, Yoshida K, Watanabe M, Daiyasu H, Toh H, Asamizu E, Tabata S, Miura K, Fukuzawa H, Nakamura S, Takahashi T (2003). «Archaeal-type rhodopsins in Chlamydomonas: model structure and intracellular localization». Biochem Biophys Res Commun301 (3): 711-7. PMID12565839.
Schmidt M, Gessner G, Luff M, Heiland I, Wagner V, Kaminski M, Geimer S, Eitzinger N, Reissenweber T, Voytsekh O, Fiedler M, Mittag M, Kreimer G (2006). «Proteomic analysis of the eyespot of Chlamydomonas reinhardtii provides novel insights into its components and tactic movements». Plant Cell18 (8): 1908-30. PMID16798888.
Iseki M, Matsunaga S, Murakami A, Ohno K, Shiga K, Yoshida K, Sugai M, Takahashi T, Hori T, Watanabe M (2002). «A blue-light-activated adenylyl cyclase mediates photoavoidance in Euglena gracilis». Nature415 (6875): 1047-51. PMID11875575.