- 期刊
- OpenAccess
Photoresponse in the Ciliated Protozoan Colpoda cucullus
摘要
We found that vegetative cells of Colpoda cucullus Nag-1 accumulated in shaded areas of a container when grown in the laboratory and then formed resting cysts. The photodispersal (negative photoaccumulation) of C. cucullus was mediated, at least in part, by a difference in forward swimming velocity between the illuminated region and the shaded area of the Petri dish (motion slowed or stopped in the shaded area). When C. cucullus was stimulated by continuous light irradiation, the forward swimming velocity increased and reached a steady state within 10 s. When the light intensity decreased, the forward swimming velocity gradually decreased, and eventually returned to its original level for approximately 1 min. The action spectrum of the photokinetic response (steady-state swimming acceleration driven by continuous light stimulation) implies the involvement of blue light receptors.
延伸閱讀
- 黃晉興、黃巧雯、陳啟予（2019）。Stimulation on production of sporangia and zoospores in Pythiogeton species。Fungal Science，34()，49-60。https://www.airitilibrary.com/Article/Detail?DocID=10132732-201912-201910010006-201910010006-49-60
- Wang, Y. N. C., & Hwang, J. C. (1970). Sporulation, Morphology and Resistance of the Oocysts of Isospora urolonchae sp. n. (Protozoa: Coccidia). 師大生物學報, 5(), 8-19. https://doi.org/10.29812/BBNTNU.197008.0002
- Fokin, S. I., Giamberini, L., Molloy, D. P., & Vaate, A. B. D. (2003). Bacterial Endocytobionts within Endosymbiotic Ciliates in Dreissena polymorpha (Lamellibranchia: Mollusca). Acta Protozoologica, 42(1), 31-39. https://www.airitilibrary.com/Article/Detail?DocID=00651583-200303-201012290008-201012290008-31-39
- Zhao, Y., Gao, F., Li, J. Q., Yi, Z. Z., & Warren, A. (2012). Phylogenetic Analyses on the Tintinnid Ciliates (Protozoa, Ciliophora) Based on Multigene Sequence Data. Acta Protozoologica, 51(4), 319-328. https://doi.org/10.4467/16890027AP.12.025.0785
- Gabilondo, R., & Foissner, W. (2009). Four New Fuscheriid Soil Ciliates (Ciliophora: Haptorida) from Four Biogeographic Regions. Acta Protozoologica, 48(1), 1-24. https://www.airitilibrary.com/Article/Detail?DocID=00651583-200903-201101060031-201101060031-1-24