TY - JOUR PY - 2020// TI - Response to Tilic and Bartolomaeus's Commentary on the original research paper "Unravelling the ultrastructure and mineralogical composition of fireworm stinging bristles" (Zoology, 144) JO - Zoology (Jena) A1 - Righi, Sara A1 - Savioli, Martina A1 - Prevedelli, Daniela A1 - Simonini, Roberto A1 - Malferrari, Daniele SP - ePub EP - ePub VL - ePub IS - ePub N2 - In their Commentary to our paper recently published in Zoology (Righi et al., 2021a), Tilic and Bartolomaeus question our findings that the chaetae of Hermodice carunculata (Annelida) are hollow and able to store and deliver venoms. They sustain the idea that inflammatory chemicals are secreted through epidermal glands and possibly exposed to predator trough wounds caused by the brittle chaetae. We provide evidence-based arguments in support of our considerations. The sample preparation procedures did not affect the native inner structure of unfixed fireworm chaetae, which is clearly hollow as supported by both ultrastructure observation and crystal-chemical analysis of constituents. Furthermore, our previous and more recent feeding bioassays and chemical analysis indicate both that chaetae retain strong deterrent capacities even when isolated from the body of H. carunculata, and that they contain venoms. The cellular mechanisms involved in fireworm chaeta storage and deliver of chemicals are still unstudied. We strongly believe that this lack of knowledge should draw further attention on H. carunculata biology, pursuing new hypotheses and studies based on the noteworthy information which has been obtained so far.

Language: en

LA - en SN - 0944-2006 UR - http://dx.doi.org/10.1016/j.zool.2020.125889 ID - ref1 ER -