Positive phototropism is accelerated in Biomphalaria glabrata snails by infection with Schistosoma mansoni

Hiroki Maeda, Takeshi Hatta, Daigo Tsubokawa, Fusako Mikami, Toshiyuki Nishimaki, Takeshi Nakamura, Anisuzzaman, Makoto Matsubayashi, Motoyuki Ogawa, Clarissa Prazeres da Costa, Naotoshi Tsuji

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

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.

Original languageEnglish
Pages (from-to)609-611
Number of pages3
JournalParasitology International
Volume67
Issue number5
DOIs
StatePublished - Oct 2018

Keywords

  • Biomphalaria glabrata
  • Host manipulation
  • Phototropic
  • Schistosoma mansoni
  • Snail
  • Vector

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