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Jiang J, Su S, Lai T, Feng W, Li F, Tian C, Gao Y, Munganga BP, Tang Y, Xu P. Recognition of Gonadal Development in Eriocheir sinensis Based on the Impulse of Love at First Sight. Front Physiol 2022; 13:793699. [PMID: 35574457 PMCID: PMC9091178 DOI: 10.3389/fphys.2022.793699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 03/21/2022] [Indexed: 12/02/2022] Open
Abstract
Given the difficulty in identifying individuals with different degrees of ovarian development, we developed a new device utilizing the hypothesis of mutual attraction behavior between male and female crabs with mature gonads by releasing the sexual pheromone so they could be examined. From a total of 40 female crabs, 10 were isolated within half an hour. Histological analysis showed that the ovaries of crabs in the isolated group were in stage IV, while those of the control groups were in stage III. In addition, progesterone (PROG) in experimental groups was significantly reduced compared with the control group (p < 0.05), but no significant difference was detected in estradiol (E2). In response to the different developmental stages, hemolymph biochemical indices and the determination of gonadal fatty acids profiles were explored. The results indicated only C18:4 showed a significant difference between these two groups. A transcriptome was generated to determine the genes involved in the mutual attraction process; differentially expressed genes (DEGs) were significantly related to gonadal development. Therefore, the device can be used to isolate Chinese mitten crabs with stage IV ovarian development.
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Affiliation(s)
- Jingjing Jiang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Shengyan Su
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China.,Key Laboratory of Genetic Breeding and Aquaculture Biology of Freshwater Fishes, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, China
| | - Ting Lai
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Wenrong Feng
- Key Laboratory of Genetic Breeding and Aquaculture Biology of Freshwater Fishes, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, China
| | - Feifan Li
- Key Laboratory of Genetic Breeding and Aquaculture Biology of Freshwater Fishes, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, China
| | - Can Tian
- National Demonstration Center for Expermental Fisherise Science Education, Shanghai Ocean University, Shanghai, China
| | - Yang Gao
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | | | - Yongkai Tang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China.,Key Laboratory of Genetic Breeding and Aquaculture Biology of Freshwater Fishes, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, China
| | - Pao Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China.,Key Laboratory of Genetic Breeding and Aquaculture Biology of Freshwater Fishes, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, China
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Derby CD. The Crustacean Antennule: A Complex Organ Adapted for Lifelong Function in Diverse Environments and Lifestyles. THE BIOLOGICAL BULLETIN 2021; 240:67-81. [PMID: 33939945 DOI: 10.1086/713537] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
AbstractThe crustacean first antenna, or antennule, has been an experimental model for studying sensory biology for over 150 years. Investigations have led to a clearer understanding of the functional organization of the antennule as an olfactory organ but also to a realization that the antennule is much more than that. Across the Crustacea, the antennules take on many forms and functions. As an example, the antennule of reptantian decapods has many types of sensilla, each with distinct structure and function and with hundreds of thousands of chemosensory neurons expressing hundreds of genes that code for diverse classes of receptor proteins. Together, these antennular sensilla represent multiple chemosensory pathways, each with its own central connections and functions. The antennule also has a diversity of sensors of mechanical stimuli, including vibrations, touch, water flow, and the animal's own movements. The antennule likely also detects other environmental cues, such as temperature, oxygen, pH, salinity, and noxious stimuli. Furthermore, the antennule is a motor organ-it is flicked to temporally and spatially sample the animal's chemo-mechanical surroundings-and this information is used in resolving the structure of chemical plumes and locating the odor source. The antennule is also adapted to maintain lifelong function in a changing environment. For example, it has specific secretory glands, grooming structures, and behaviors to stay clean and functional. Antennular sensilla and the annuli on which they reside are also added and replaced, leading to a complete turnover of the antennule over several molts. Thus, the antennule is a complex and dynamic sensory-motor integrator that is intricately engaged in most aspects of the lives of crustaceans.
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Kozma MT, Ngo-Vu H, Wong YY, Shukla NS, Pawar SD, Senatore A, Schmidt M, Derby CD. Comparison of transcriptomes from two chemosensory organs in four decapod crustaceans reveals hundreds of candidate chemoreceptor proteins. PLoS One 2020; 15:e0230266. [PMID: 32163507 PMCID: PMC7067487 DOI: 10.1371/journal.pone.0230266] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 02/25/2020] [Indexed: 12/18/2022] Open
Abstract
Crustaceans express genes for at least three classes of putative chemosensory proteins. These are: Ionotropic Receptors (IRs), derived from the heterotetrameric ionotropic glutamate receptors (iGluRs); Transient Receptor Potential (TRP) channels, a diverse set of sensor-channels that include several families of chemoreceptor channels; and Gustatory Receptor Like receptors (GRLs), ionotropic receptors that are homologues of Gustatory Receptors (GRs) of insects and are expressed sparingly in most crustaceans so far studied. IRs are typically numerically the most dominant of these receptor proteins in crustaceans and include two classes: co-receptor IRs, which are necessary for making a functional receptor-channel; and tuning IRs, whose specific combination in the IR subunits in the heterotetramer confers chemical specificity. Previous work showed that the transcriptomes from two major chemosensory organs-the lateral flagellum of the antennule (LF) and the tips of the legs (dactyls)-of the Caribbean spiny lobster Panulirus argus express four co-receptor IRs and over 100 tuning IRs. In this paper, we examined and compared the transcriptomes from the LF and dactyls of P. argus and three other decapod crustaceans-the clawed lobster Homarus americanus, red swamp crayfish Procambarus clarkii, and the blue crab Callinectes sapidus. Each species has at least ca. 100 to 250 IRs, 1 to 4 GRLs, and ca. 15 TRP channels including those shown to be involved in chemoreception in other species. The IRs show different degrees of phylogenetic conservation: some are arthropod-conserved, others are pancrustacean-conserved, others appear to be crustacean-conserved, and some appear to be species-specific. Many IRs appear to be more highly expressed in the LF than dactyl. Our results show that decapod crustaceans express an abundance of genes for chemoreceptor proteins of different types, phylogenetic conservation, and expression patterns. An understanding of their functional roles awaits determining their expression patterns in individual chemosensory neurons and the central projections of those neurons.
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Affiliation(s)
- Mihika T. Kozma
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
| | - Hanh Ngo-Vu
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
| | - Yuen Yan Wong
- Department of Biology, University of Toronto Mississauga, Mississauga, Ontario, Canada
| | - Neal S. Shukla
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
| | - Shrikant D. Pawar
- Department of Biology, Georgia State University, Atlanta, Georgia, United States of America
| | - Adriano Senatore
- Department of Biology, University of Toronto Mississauga, Mississauga, Ontario, Canada
| | - Manfred Schmidt
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
| | - Charles D. Derby
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
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Co-culture of males with late premolt to early postmolt female giant freshwater prawns, Macrobrachium rosenbergii resulted in greater abundances of insulin-like androgenic gland hormone and gonad maturation in male prawns as a result of olfactory receptors. Anim Reprod Sci 2019; 210:106198. [PMID: 31635776 DOI: 10.1016/j.anireprosci.2019.106198] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 09/12/2019] [Accepted: 09/30/2019] [Indexed: 12/30/2022]
Abstract
Insulin-like androgenic gland hormone (IAG) controls development of primary and secondary male sex-characteristics in decapod crustaceans. In male giant freshwater prawns, Macrobrachium rosenbergii, the IAG concentration correlates with male reproductive status and aggressiveness. When female prawns are co-cultured with males this can result in male size variations while this variation does not occur when males are cultured in monosex conditions. It was hypothesized that pheromone-like factors from female prawns may affect the abundance of IAG mRNA and protein in co-cultured males which would affect the pattern of sexual maturation of these males. In the present study, late premolt to postmolt females co-cultured with males for 7 days had a greater abundance of MrIAG mRNA transcript in all male phenotypes as well as for the gonad-somatic indexes (GSI). The abundance of MrIAG mRNA gradually increased from days 1 to 7 and using Western blot procedures MrIAG protein also increased in a similar pattern. Furthermore, with use of BrdU labeling, there was an increased cell proliferation in the spermatogenic zone of testicular tubules and in the spermatic duct epithelium during the 1 to 7 day co-culture period when there were increases in MrIAG mRNA and protein. In contrast, these effects were negated if short lateral antennules of males were ablated. Thus, results of the present study provide evidence that there might be female-molting factors which function as important regulators of androgenic gland function and gonadal maturation that were perceived by males via their short lateral antennules which are the olfactory organs.
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5
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Puglisi MP, Sneed JM, Ritson-Williams R, Young R. Marine chemical ecology in benthic environments. Nat Prod Rep 2019; 36:410-429. [PMID: 30264841 DOI: 10.1039/c8np00061a] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Covering: Most of 2013 up to the end of 2015 This review highlights the 2013-2015 marine chemical ecology literature for benthic bacteria and cyanobacteria, macroalgae, sponges, cnidarians, molluscs, other benthic invertebrates, and fish.
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Affiliation(s)
- Melany P Puglisi
- Chicago State University, Department of Pharmaceutical Sciences, Chicago, IL, USA.
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6
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Kozma MT, Schmidt M, Ngo-Vu H, Sparks SD, Senatore A, Derby CD. Chemoreceptor proteins in the Caribbean spiny lobster, Panulirus argus: Expression of Ionotropic Receptors, Gustatory Receptors, and TRP channels in two chemosensory organs and brain. PLoS One 2018; 13:e0203935. [PMID: 30240423 PMCID: PMC6150509 DOI: 10.1371/journal.pone.0203935] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Accepted: 08/30/2018] [Indexed: 12/22/2022] Open
Abstract
The spiny lobster, Panulirus argus, has two classes of chemosensilla representing “olfaction” and “distributed chemoreception,” as is typical for decapod crustaceans. Olfactory sensilla are found exclusively on antennular lateral flagella and are innervated only by olfactory receptor neurons (ORNs) that project into olfactory lobes organized into glomeruli in the brain. Distributed chemoreceptor sensilla are found on all body surfaces including the antennular lateral flagella (LF) and walking leg dactyls (dactyls), and are innervated by both chemoreceptor neurons (CRNs) and mechanoreceptor neurons that project into somatotopically organized neuropils. Here, we examined expression of three classes of chemosensory genes in transcriptomes of the LF (with ORNs and CRNs), dactyls (with only CRNs), and brain of P. argus: Ionotropic Receptors (IRs), which are related to ionotropic glutamate receptors and found in all protostomes including crustaceans; Gustatory Receptors (GRs), which are ionotropic receptors that are abundantly expressed in insects but more restricted in crustaceans; and Transient Receptor Potential (TRP) channels, a diverse set of sensor-channels that include several chemosensors in diverse animals. We identified 108 IRs, one GR, and 18 homologues representing all seven subfamilies of TRP channels. The number of IRs expressed in the LF is far greater than in dactyls, possibly reflecting the contribution of receptor proteins associated with the ORNs beyond those associated with CRNs. We found co-receptor IRs (IR8a, IR25a, IR76b, IR93a) and conserved IRs (IR21a, IR40a) in addition to the numerous divergent IRs in the LF, dactyl, and brain. Immunocytochemistry showed that IR25a is expressed in ORNs, CRNs, and a specific type of cell located in the brain near the olfactory lobes. While the function of IRs, TRP channels, and the GR was not explored, our results suggest that P. argus has an abundance of diverse putative chemoreceptor proteins that it may use in chemoreception.
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Affiliation(s)
- Mihika T. Kozma
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
- * E-mail:
| | - Manfred Schmidt
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
| | - Hanh Ngo-Vu
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
| | - Shea D. Sparks
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
| | - Adriano Senatore
- Department of Biology, University of Toronto Mississauga, Ontario, Canada
| | - Charles D. Derby
- Neuroscience Institute, Georgia State University, Atlanta, Georgia, United States of America
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7
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Okamura S, Kawaminami T, Matsuura H, Fusetani N, Goshima S. Behavioral assay and chemical characters of female sex pheromones in the hermit crab Pagurus filholi. J ETHOL 2017; 35:169-176. [PMID: 29225402 PMCID: PMC5711989 DOI: 10.1007/s10164-017-0507-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 01/10/2017] [Indexed: 11/18/2022]
Abstract
Males of the hermit crab Pagurus filholi perform assessment behavior toward females, as a preliminary step of precopulatory guarding, during the reproductive season. It is known that such behavior is elicited by female sex pheromones, but the compounds involved have never been characterized in this species. Several experiments were conducted to develop a reliable bioassay along with purification procedures to identify potential compounds with pheromonal activity in Pagurus filholi. We developed a bioassay protocol to assess pheromonal activity by using an empty shell with cotton containing either artificial seawater (control) or test water. We measured and compared the time duration of male assessment behavior toward each shell if the test water contained female sex pheromones. Ultra-filtering of seawater samples potentially containing pheromones showed that the compound was <1 kDa in molecular weight. Males showed precopulatory assessment behavior toward “female conditioned” water samples treated with open column purification and eluted with MeOH, suggesting that compounds triggering male behavior were low polar molecules. Molecules with pheromonal activity were not volatile after freeze drying, effective even after heating to 90 °C, and remained active in seawater at 12 °C even after 6 days from sample collection, which suggests a rather stable characteristic of the female sex pheromones of this species.
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Affiliation(s)
- Saori Okamura
- Laboratory of Marine Biology, Graduate School of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido 041-8611 Japan
| | - Takuma Kawaminami
- Laboratory of Marine Biology, Graduate School of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido 041-8611 Japan
| | - Hiroshi Matsuura
- Laboratory of Marine Biology, Graduate School of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido 041-8611 Japan
| | - Nobuhiro Fusetani
- Division of Marine Life Science, Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido 041-8611 Japan
| | - Seiji Goshima
- Division of Marine Resource and Environmental Science, Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido 041-8611 Japan.,Present Address: Fisheries Science Center, Hokkaido University Museum, Hakodate, Hokkaido 041-8611 Japan
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8
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Kamio M, Nagakura Y, Yano H. The Molting Biomarker Molecule Exists as 2-Acetamido-2-deoxy-gluconic Acid in Urine of Blue Crabs and Helmet Crabs. Chem Biodivers 2017; 14. [PMID: 28686351 DOI: 10.1002/cbdv.201700063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 07/05/2017] [Indexed: 11/07/2022]
Abstract
N-Acetyl-d-glucosamino-1,5-lactone 1 has been reported as a candidate component of the sex pheromone mixture of female blue crabs, Callinectes sapidus, since it is present in the urine of reproductive females and males detect it. Theoretically, 1 can convert to a 1,4-lactone isomer 2 or to the corresponding carboxylic acid, 2-acetamido-2-deoxygluconic acid 3 by hydrolysis in aqueous solution. In this study, we examined the biologically relevant state of equilibrium mixture of 1, 2, and 3 in crab urine using ESI-MS and NMR analyses. The ESI-MS analysis showed that the dominant form of solubilized synthetic 1 is lactone 1 and/or 2, immediately after solubilization in deuterated water, seawater, and phosphate buffer and gradually changing to carboxylic acid 3 which becomes most predominant in phosphate buffer. The NMR analysis showed that synthetic 1 converts to other forms in deuterated water and seawater, and reaches an equilibrium mixture of at least three forms within 24 h. In contrast, 1 converts to a single state of another form in deuterated water with 35 mm phosphate buffer pH 7.6 within 24 h, which is identical to the state in urine with or without phosphate buffer. Thus, we conclude that the molting biomarker sensed by male crabs is 3.
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Affiliation(s)
- Michiya Kamio
- Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Yasuhiro Nagakura
- Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
- Shizuoka Prefectural Research Institute of Fishery, 3690 Kogawa, Yaizu, Shizuoka, 425-0033, Japan
| | - Hirona Yano
- Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
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9
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Bose U, Kruangkum T, Wang T, Zhao M, Ventura T, Mitu SA, Hodson MP, Shaw PN, Sobhon P, Cummins SF. Biomolecular changes that occur in the antennal gland of the giant freshwater prawn (Machrobrachium rosenbergii). PLoS One 2017; 12:e0177064. [PMID: 28662025 PMCID: PMC5490968 DOI: 10.1371/journal.pone.0177064] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 04/22/2017] [Indexed: 01/01/2023] Open
Abstract
In decapod crustaceans, the antennal gland (AnG) is a major primary source of externally secreted biomolecules, and some may act as pheromones that play a major role in aquatic animal communication. In aquatic crustaceans, sex pheromones regulate reproductive behaviours, yet they remain largely unidentified besides the N-acetylglucosamine-1,5-lactone (NAGL) that stimulates male to female attraction. In this study, we used an AnG transcriptome of the female giant freshwater prawn (Macrobrachium rosenbergii) to predict the secretion of 226 proteins, including the most abundantly expressed transcripts encoding the Spaetzle protein, a serine protease inhibitor, and an arthropodial cuticle protein AMP 8.1. A quantitative proteome analysis of the female AnG at intermolt, premolt and postmolt, identified numerous proteins of different abundances, such as the hemocyanin subunit 1 that is most abundant at intermolt. We also show that hemocyanin subunit 1 is present within water surrounding females. Of those metabolites identified, we demonstrate that the NAGL and N-acetylglucosamine (NAG) can bind with high affinity to hemocyanin subunit 1. In summary, this study has revealed components of the female giant freshwater prawn AnG that are released and contribute to further research towards understanding crustacean conspecific signalling.
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Affiliation(s)
- Utpal Bose
- Genetic, Ecology and Physiology Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- Metabolomics Australia, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, Australia
| | - Thanapong Kruangkum
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand
- Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Tianfang Wang
- Genetic, Ecology and Physiology Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Min Zhao
- Genetic, Ecology and Physiology Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Tomer Ventura
- Genetic, Ecology and Physiology Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Shahida Akter Mitu
- Genetic, Ecology and Physiology Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Mark P. Hodson
- Metabolomics Australia, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, Australia
- S chool of Pharmacy, The University of Queensland, Queensland, Australia
| | - Paul N. Shaw
- S chool of Pharmacy, The University of Queensland, Queensland, Australia
| | - Prasert Sobhon
- Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Bangkok, Thailand
- Faculty of Allied Health Sciences, Burapha University, Chonburi, Thailand
| | - Scott F. Cummins
- Genetic, Ecology and Physiology Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- * E-mail:
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10
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Sal Moyano MP, Luppi T, Medesani DA, McLay CL, Rodríguez EM. Hard-shell mating in Neohelice granulata: the role of ecdysone in female receptivity and mate attraction. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2017; 203:233-243. [PMID: 28251296 DOI: 10.1007/s00359-017-1159-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 02/17/2017] [Accepted: 02/18/2017] [Indexed: 11/29/2022]
Abstract
Most brachyuran females become receptive during the intermolt period, a condition considered "derived". However, as far as we know, studies testing the existence and function of pheromones in decapods are based on species which have mating linked to molting, a condition considered as "ancestral". For the first time, we studied some physiological and morphological processes involved in Neohelice granulata intermolt female crabs becoming receptive and potentially attracting males. We found that receptive females have mobile vulvae opercula due to a softening process of the cuticle hinge which showed lower calcium levels compared to the hinge of unreceptive females. Local softening of the hinge was stimulated by a low concentration of ecdysone during the intermolt period. A putative pheromone liberated by receptive females to attract males is presumed to be released through the mobile vulvae and not through the urine.
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Affiliation(s)
- María P Sal Moyano
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata (UNMdP), Funes 3350, 7600, Mar del Plata, Argentina.
| | - Tomás Luppi
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata (UNMdP), Funes 3350, 7600, Mar del Plata, Argentina
| | - Daniel A Medesani
- Department of Biodiversity and Experimental Biology, FCEN University of Buenos Aires, Institute of Biodiversity, Experimental and Applied Biology (IBBEA), CONICET-UBA. Ciudad Universitaria, Pab. II, C1428EGA, Buenos Aires, Argentina
| | - Colin L McLay
- School of Biological Sciences, University of Canterbury, PB 4800, Christchurch, New Zealand
| | - Enrique M Rodríguez
- Department of Biodiversity and Experimental Biology, FCEN University of Buenos Aires, Institute of Biodiversity, Experimental and Applied Biology (IBBEA), CONICET-UBA. Ciudad Universitaria, Pab. II, C1428EGA, Buenos Aires, Argentina
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11
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Kamio M, Derby CD. Finding food: how marine invertebrates use chemical cues to track and select food. Nat Prod Rep 2017; 34:514-528. [DOI: 10.1039/c6np00121a] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review covers recent research on how marine invertebrates use chemical cues to find and select food.
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Affiliation(s)
- Michiya Kamio
- Tokyo University of Marine Science and Technology
- Tokyo 108-8477
- Japan
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12
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Kamio M, Koyama M, Hayashihara N, Hiei K, Uchida H, Watanabe R, Suzuki T, Nagai H. Sequestration of Dimethylsulfoniopropionate (DMSP) and Acrylate from the Green Alga Ulva Spp. by the Sea Hare Aplysia juliana. J Chem Ecol 2016; 42:452-60. [DOI: 10.1007/s10886-016-0703-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 05/01/2016] [Accepted: 05/06/2016] [Indexed: 12/23/2022]
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13
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Derby CD, Kozma MT, Senatore A, Schmidt M. Molecular Mechanisms of Reception and Perireception in Crustacean Chemoreception: A Comparative Review. Chem Senses 2016; 41:381-98. [PMID: 27107425 DOI: 10.1093/chemse/bjw057] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
This review summarizes our present knowledge of chemoreceptor proteins in crustaceans, using a comparative perspective to review these molecules in crustaceans relative to other metazoan models of chemoreception including mammals, insects, nematodes, and molluscs. Evolution has resulted in unique expansions of specific gene families and repurposing of them for chemosensation in various clades, including crustaceans. A major class of chemoreceptor proteins across crustaceans is the Ionotropic Receptors, which diversified from ionotropic glutamate receptors in ancient protostomes but which are not present in deuterostomes. Representatives of another major class of chemoreceptor proteins-the Grl/GR/OR family of ionotropic 7-transmembrane receptors-are diversified in insects but to date have been reported in only one crustacean species, Daphnia pulex So far, canonic 7-transmembrane G-protein coupled receptors, the principal chemoreceptors in vertebrates and reported in a few protostome clades, have not been identified in crustaceans. More types of chemoreceptors are known throughout the metazoans and might well be expected to be discovered in crustaceans. Our review also provides a comparative coverage of perireceptor events in crustacean chemoreception, including molecules involved in stimulus acquisition, stimulus delivery, and stimulus removal, though much less is known about these events in crustaceans, particularly at the molecular level.
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Affiliation(s)
| | | | - Adriano Senatore
- Present address: Biology Department, University of Toronto Mississauga, Mississauga, Ontario L5L 1C6, Canada
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Daley AC, Drage HB. The fossil record of ecdysis, and trends in the moulting behaviour of trilobites. ARTHROPOD STRUCTURE & DEVELOPMENT 2016; 45:71-96. [PMID: 26431634 DOI: 10.1016/j.asd.2015.09.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 09/01/2015] [Accepted: 09/14/2015] [Indexed: 06/05/2023]
Abstract
Ecdysis, the process of moulting an exoskeleton, is one of the key characters uniting arthropods, nematodes and a number of smaller phyla into Ecdysozoa. The arthropod fossil record, particularly trilobites, eurypterids and decapod crustaceans, yields information on moulting, although the current focus is predominantly descriptive and lacks a broader evolutionary perspective. We here review literature on the fossil record of ecdysis, synthesising research on the behaviour, evolutionary trends, and phylogenetic significance of moulting throughout the Phanerozoic. Approaches vary widely between taxonomic groups, but an overall theme uniting these works suggests that identifying moults in the palaeontological record must take into account the morphology, taphonomy and depositional environment of fossils. We also quantitatively analyse trends in trilobite ecdysis based on a newly generated database of published incidences of moulting behaviour. This preliminary work reveals significant taxonomic and temporal signal in the trilobite moulting fossil record, with free cheek moulting being prevalent across all Orders and throughout the Phanerozoic, and peaks of cephalic moulting in Phacopida during the Ordovician and rostral plate moulting in Redlichiida during the Cambrian. This study and a review of the literature suggest that it is feasible to extract large-scale evolutionary information from the fossil record of moulting.
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Affiliation(s)
- Allison C Daley
- Department of Zoology, University of Oxford, South Parks Road, Oxford, OX1 3PS, United Kingdom; Oxford University Museum of Natural History, Parks Road, Oxford, OX1 3PZ, United Kingdom.
| | - Harriet B Drage
- Department of Zoology, University of Oxford, South Parks Road, Oxford, OX1 3PS, United Kingdom; Oxford University Museum of Natural History, Parks Road, Oxford, OX1 3PZ, United Kingdom
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