ePrints@IIScePrints@IISc Home | About | Browse | Latest Additions | Advanced Search | Contact | Help

Dynamics of venom composition across a complex life cycle

Columbus-Shenkar, YY and Sachkova, MY and Macrander, J and Fridrich, A and Modepalli, V and Reitzel, AM and Sunagar, K and Moran, Y (2018) Dynamics of venom composition across a complex life cycle. In: eLife, 7 .

eLife_79_2018.pdf - Published Version

Download (5MB) | Preview
Official URL: https://doi.org/10.7554/eLife.35014


Little is known about venom in young developmental stages of animals. The appearance of toxins and stinging cells during early embryonic stages in the sea anemone Nematostella vectensis suggests that venom is already expressed in eggs and larvae of this species. Here, we harness transcriptomic, biochemical and transgenic tools to study venom production dynamics in Nematostella. We find that venom composition and arsenal of toxin- producing cells change dramatically between developmental stages of this species. These findings can be explained by the vastly different interspecific interactions of each life stage, as individuals develop from a miniature non-feeding mobile planula to a larger sessile polyp that predates on other animals and interact differently with predators. Indeed, behavioral assays involving prey, predators and Nematostella are consistent with this hypothesis. Further, the results of this work suggest a much wider and dynamic venom landscape than initially appreciated in animals with a complex life cycle.

Item Type: Journal Article
Publication: eLife
Publisher: eLife Sciences Publications Ltd
Additional Information: The copyright for this article belongs to the Authors.
Keywords: venom, adult; animal experiment; Article; controlled study; dynamics; female; immunohistochemistry; in situ hybridization; LD50; life cycle; mass spectrometry; Nematostella vectensis; nonhuman; phylogeny; protein expression; protein purification; real time polymerase chain reaction; transgenics; Western blotting
Department/Centre: Division of Biological Sciences > Centre for Ecological Sciences
Date Deposited: 31 Aug 2022 09:03
Last Modified: 31 Aug 2022 09:03
URI: https://eprints.iisc.ac.in/id/eprint/76313

Actions (login required)

View Item View Item