Positive phototropism is accelerated in Biomphalaria glabrata snails by infection with Schistosoma mansoni |
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| Authors: | Hiroki Maeda Takeshi Hatta Daigo Tsubokawa Fusako Mikami Toshiyuki Nishimaki Takeshi Nakamura Makoto Matsubayashi Motoyuki Ogawa Clarissa Prazeres da Costa Naotoshi Tsuji |
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| Institution: | 1. Department of Parasitology, Kitasato University School of Medicine, Sagamihara, Kanagawa 252-0374, Japan;2. Department of Anatomy, Kitasato University School of Medicine, Sagamihara, Kanagawa 252-0374, Japan;3. Department of Parasitology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh;4. Institute for Medical Microbiology, Immunology and Hygiene, Technische Universität München, Trogerstraße 30, 81675 Munich, Germany;5. Laboratory of International Prevention of Epidemics, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan |
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| Abstract: | Parasite-induced behavioral changes in their hosts favor to complete the lifecycle of parasites. Schistosome infection is also known to cause physiological changes in infected freshwater snail intermediate hosts. Here, we report, a novel phenomenon in which Schistosoma mansoni, a highly debilitating worm affecting millions of people worldwide, alters the phototropic behavior of Biomphalaria glabrata, the vector snail. S. mansoni-infection enhanced positive phototropism of vector snails and infected snails spent significantly more time in light. Possibly, these behavioral changes help the parasite to be released efficiently from the infected intermediate hosts, and to infect mammalian hosts. |
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| Keywords: | Snail Phototropic Host manipulation Vector Correspondence to: Anisuzzaman Department of Parasitology Faculty of Veterinary Science Bangladesh Agricultural University Mymensingh 2202 Bangladesh |
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