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Franklin AM, Rivera A, Robbins J, Pechenik JA. Body mass index does not decline during winter for the sedentary marine gastropod Crepidula fornicata. Biol Lett 2023; 19:20230026. [PMID: 37311546 DOI: 10.1098/rsbl.2023.0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 05/18/2023] [Indexed: 06/15/2023] Open
Abstract
Seasonal extremes in environmental conditions can substantially limit the growth and reproduction of animals. Sedentary marine animals are particularly susceptible to winter food limitation since they cannot relocate to more favourable conditions. In several temperate-zone bivalve species, substantial winter tissue mass declines have been documented; however, no comparable studies have been conducted on intertidal gastropods. Here, we investigate whether the suspension-feeding intertidal gastropod Crepidula fornicata also loses substantial tissue mass during the winter. We calculated body mass index (BMI) for individuals collected in New England at different times of year for 7 years to determine whether BMI declines through winter or varies seasonally. Remarkably, C. fornicata body mass did not decline significantly during winter months; indeed, a relatively poorer body condition was associated with higher seawater temperature, higher air temperature and higher chlorophyll concentration. In a laboratory experiment, we found that C. fornicata adults that were not fed for three weeks at 6°C (local winter seawater temperature) showed no detectable declines in BMI compared to field-collected individuals. Future studies should document energy budgets of C. fornicata and other sedentary marine animals at low winter seawater temperatures, and the impact of short-term elevated temperatures on those energy budgets.
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Affiliation(s)
- Amanda M Franklin
- School of BioSciences, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Alberto Rivera
- Biology Department, Tufts University, Medford, MA 02155, USA
- Department of Environmental and Ocean Sciences, University of San Diego, San Diego, CA 92110, USA
| | - Justin Robbins
- Biology Department, Tufts University, Medford, MA 02155, USA
- Forestry and Environmental Conservation Department, Clemson University, Clemson, SC 29634, USA
| | - Jan A Pechenik
- Biology Department, Tufts University, Medford, MA 02155, USA
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Wang YX, Lin SR, Xu LZ, Ye YY, Qi PZ, Wang WF, Buttino I, Li HF, Guo BY. Comparative transcriptomic analysis revealed changes in multiple signaling pathways involved in protein degradation in the digestive gland of Mytilus coruscus during high-temperatures. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2023; 46:101060. [PMID: 36731219 DOI: 10.1016/j.cbd.2023.101060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/18/2023] [Accepted: 01/21/2023] [Indexed: 01/28/2023]
Abstract
As a result of global warming, the Mytilus coruscus living attached in the intertidal zone experience extreme and fluctuating changes in temperature, and extreme temperature changes are causing mass mortality of intertidal species. This study explores the transcriptional response of M. coruscus at different temperatures (18 °C, 26 °C, and 33 °C) and different times (0, 12, and 24 h) of action by analyzing the potential temperature of the intertidal zone. In response to high temperatures, several signaling pathways in M. coruscus, ribosome, endocytosis, endoplasmic reticulum stress, protein degradation, and lysosomes, interact to counter the adverse effects of high temperatures on protein homeostasis. Increased expression of key genes, including heat shock proteins (Hsp70, Hsp20, and Hsp110), Lysosome-associated membrane glycoprotein (LAMP), endoplasmic reticulum chaperone (BiP), and baculoviral IAP repeat-containing protein 7 (BIRC7), may further mitigate the effects of heat stress and delay mortality in M. coruscus. These results reveal changes in multiple signaling pathways involved in protein degradation during high-temperature stress, which will contribute to our overall understanding of the molecular mechanisms underlying the response of M. coruscus to high-temperature stress.
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Affiliation(s)
- Yu-Xia Wang
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Shuang-Rui Lin
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Le-Zhong Xu
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Ying-Ying Ye
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Peng-Zhi Qi
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Wei-Feng Wang
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Isabella Buttino
- Italian Institute for Environmental Protection and Research ISPRA, Via del Cedro n.38, 57122 Livorno, Italy
| | - Hong-Fei Li
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China.
| | - Bao-Ying Guo
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, 316022 Zhoushan, China.
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Quinn EA, Thomas JE, Malkin SH, Eley MJ, Coates CJ, Rowley AF. Invasive slipper limpets Crepidula fornicata are hosts for sterilizing digenean parasites. Parasitology 2022; 149:1-9. [PMID: 35331356 PMCID: PMC10090609 DOI: 10.1017/s0031182022000257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/04/2022] [Accepted: 02/23/2022] [Indexed: 11/08/2022]
Abstract
Invasion and spread of alien species can drive ecosystem changes, such as, the dynamics of infectious diseases. The non-native, marine gastropod Crepidula fornicata has become established across European coastlines over the last century, but there remains little insight into its disease carrying capacity and potential role as a source/sink of parasites. To address this knowledge gap, we surveyed limpets from two sites in South Wales, UK for signatures of disease/pathology using polymerase chain reaction-based methods (haemolymph) and histology (solid tissue). We encountered trematode-like parasites in ~1% individuals (5 out of 462). Three limpets displayed gross damage in the gonad, i.e. castration, and encysted metacercariae were found in the muscle of two other individuals. On the basis of 28S rDNA and internal transcribed spacer 2 genomic targets, we identified the gonad-infecting trematodes as members of the family Microphallidae – putative novel species related to the genus Longiductotrema. Earlier reports suggest that C. fornicata is not a host for trematode parasites in either its native or alien range but may act as a sink due to its filter feeding lifestyle. We provide clear evidence that C. fornicata is parasitized by at least one trematode species at two sites in Wales, UK, and likely act as a spillback or accidental host among native littorinids.
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Affiliation(s)
- Emma A. Quinn
- Department of Biosciences, Faculty of Science and Engineering, Swansea University, Singleton Park, SwanseaSA2 8PP, Wales, UK
| | - Jessica E. Thomas
- Department of Biosciences, Faculty of Science and Engineering, Swansea University, Singleton Park, SwanseaSA2 8PP, Wales, UK
| | - Sophie H. Malkin
- Department of Biosciences, Faculty of Science and Engineering, Swansea University, Singleton Park, SwanseaSA2 8PP, Wales, UK
| | - Molly-Jane Eley
- Department of Biosciences, Faculty of Science and Engineering, Swansea University, Singleton Park, SwanseaSA2 8PP, Wales, UK
| | - Christopher J. Coates
- Department of Biosciences, Faculty of Science and Engineering, Swansea University, Singleton Park, SwanseaSA2 8PP, Wales, UK
| | - Andrew F. Rowley
- Department of Biosciences, Faculty of Science and Engineering, Swansea University, Singleton Park, SwanseaSA2 8PP, Wales, UK
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