Production of Specific Polyclonal Antibody against the Larvae of Corallivorous Gastropod Drupella fragum for Prediction of Outbreaks

Takaya Kitamura, Toshiharu Iwai, Yui Shigematsu, Chiemi Miura and Takeshi Miura
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Takaya Kitamura: Kuroshio Biological Research Foundation, Kochi 788-0333, Japan
Toshiharu Iwai: Laboratory of Fish Reproductive Physiology, Graduate School of Agriculture, Ehime University, Matsuyama 790-8566, Japan
Yui Shigematsu: Laboratory of Fish Reproductive Physiology, Graduate School of Agriculture, Ehime University, Matsuyama 790-8566, Japan
Chiemi Miura: Department of Global Environment Studies, Faculty of Environmental Studies, Hiroshima Institute of Technology, Hiroshima 731-5193, Japan
Takeshi Miura: Laboratory of Fish Reproductive Physiology, Graduate School of Agriculture, Ehime University, Matsuyama 790-8566, Japan

Sustainability, 2021, vol. 13, issue 21, 1-11

Abstract: The term corallivorous gastropod refers to a group of snails that feeds on coral and inhabits coral communities worldwide. Outbreaks of these species cause serious damage to coral communities. There are various reasons behind the outbreaks; however, further clarifications are needed. It may be possible to predict outbreaks by measuring the number of floating larvae of corallivorous gastropods in seawater. Drupella fragum is the most damaging species in Japan, so we produced antibodies against D. fragum larvae in order to easily detect this species in the field. Antibody specificity analysis in aquarium-hatched corallivorous gastropods showed a higher specificity against D. fragum compared to D. cornus . A field study using the antibody showed that many D. fragum larvae were detected from June to November at all stations. The larvae at the Shirigai station were collected in June and July in large numbers compared to the other stations. Large groups of D. fragum were collected around the sampling point in Shirigai in September 2016. Our results imply that there is a possibility that outbreaks could be predicted using this antibody.

Keywords: Drupella fragum; corallivorous gastropod; polyclonal; antibody; outbreak (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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