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Fabri LM, Moraes CM, Calixto-Cunha M, Almeida AC, Faleiros RO, Garçon DP, McNamara JC, Faria SC, Leone FA. (Na +, K +)- ATPase kinetics in Macrobrachium pantanalense: highlighting intra- and interspecific variation within the Macrobrachium amazonicum complex. Comp Biochem Physiol B Biochem Mol Biol 2024; 273:110987. [PMID: 38740177 DOI: 10.1016/j.cbpb.2024.110987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/08/2024] [Accepted: 05/08/2024] [Indexed: 05/16/2024]
Abstract
The Macrobrachium amazonicum complex is composed of at least the Macrobrachium amazonicum and Macrobrachium pantanalense species, with the latter described from specimens originally identified as part of an endemic M. amazonicum population in the Brazilian Pantanal region. While there may be a reproductive barrier between these two Macrobrachium species, both are phylogenetically close, with small genetic distance. However, there is currently no available biochemical information of Macrobrachium pantanalense (Na+, K+)-ATPase. Here, we report the kinetic characteristics of the gill (Na+, K+)-ATPase in two populations of M. pantanalense from Baiazinha Lagoon (Miranda, MS, Brazil) and Araguari River (Uberlândia, MG, Brazil), and compare them with Macrobrachium amazonicum populations from the Paraná-Paraguay River Basin. (Na+, K+)-ATPase activities were 67.9 ± 3.4 and 93.3 ± 4.1 nmol Pi min-1 mg-1 protein for the Baiazinha Lagoon and Araguari River populations, respectively. Two ATP hydrolyzing sites were observed for the Araguari River population while a single ATP site was observed for the Baiazinha Lagoon shrimps. Compared to the Araguari River population, a 3-fold greater apparent affinity for Mg2+ and Na+ was estimated for the Baiazinha Lagoon population, but no difference in K+ affinity and ouabain inhibition was seen. The kinetic differences observed in the gill (Na+, K+)-ATPase between the two populations of M. pantanalense, compared with those of various M. amazonicum populations, highlight interspecific divergence within the Macrobrachium genus, now examined from a biochemical perspective.
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Affiliation(s)
- Leonardo M Fabri
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto/Universidade de São Paulo, SP, Brazil
| | - Cintya M Moraes
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto/Universidade de São Paulo, SP, Brazil
| | - Marina Calixto-Cunha
- Instituto de Biologia/Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Ariadine C Almeida
- Instituto de Biologia/Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Rogério O Faleiros
- Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, São Mateus, ES, Brazil
| | - Daniela P Garçon
- Universidade Federal do Triângulo Mineiro, Campus Universitário de Iturama, Iturama, MG, Brazil
| | - John C McNamara
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto/Universidade de São Paulo, Ribeirão Preto, SP, Brazil; Centro de Biologia Marinha/Universidade de São Paulo, São Sebastião, SP, Brazil
| | - Samuel C Faria
- Centro de Biologia Marinha/Universidade de São Paulo, São Sebastião, SP, Brazil
| | - Francisco A Leone
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto/Universidade de São Paulo, Ribeirão Preto, SP, Brazil.
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Fabri LM, Moraes CM, Garçon DP, McNamara JC, Faria SC, Leone FA. Primary amino acid sequences of decapod (Na +, K +)-ATPase provide evolutionary insights into osmoregulatory mechanisms. Comp Biochem Physiol A Mol Integr Physiol 2024; 296:111696. [PMID: 39004301 DOI: 10.1016/j.cbpa.2024.111696] [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: 04/29/2024] [Revised: 07/08/2024] [Accepted: 07/08/2024] [Indexed: 07/16/2024]
Abstract
Decapod Crustacea exhibit a marine origin, but many taxa have occupied environments ranging from brackish to fresh water and terrestrial habitats, overcoming their inherent osmotic challenges. Osmotic and ionic regulation is achieved by the gill epithelia, driven by two active ATP-hydrolyzing ion transporters, the basal (Na+, K+)-ATPase and the apical V(H+)-ATPase. The kinetic characteristic of gill (Na+, K+)-ATPase and the mRNA expression of its α subunit have been widely studied in various decapod species under different salinity challenges. However, the evolution of the primary structure has not been explored, especially considering the functional modifications associated with decapod phylogeny. Here, we proposed a model for the topology of the decapod α subunit, identifying the sites and motifs involved in its function and regulation, as well as the patterns of its evolution assuming a decapod phylogeny. We also examined both the amino acid substitutions and their functional implications within the context of biochemical and physiological adaptation. The α-subunit of decapod crustaceans shows greater conservation (∼94% identity) compared to the β-subunit (∼40%). While the binding sites for ATP and modulators are conserved in the decapod enzyme, the residues involved in the α-β interaction are only partially conserved. In the phylogenetic context of the complete sequence of (Na+, K+)-ATPase α-subunit, most substitutions appear to be characteristic of the entire group, with specific changes for different subgroups, especially among brachyuran crabs. Interestingly, there was no consistent separation of α-subunit partial sequences related to habitat, suggesting that the convergent evolution for freshwater or terrestrial modes of life is not correlated with similar changes in the enzyme's primary amino acid sequence.
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Affiliation(s)
- Leonardo M Fabri
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Cintya M Moraes
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | | | - John C McNamara
- Departamento de Biologia Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil; Centro de Biologia Marinha, Universidade de São Paulo, São Sebastião, São Paulo, Brazil
| | - Samuel C Faria
- Centro de Biologia Marinha, Universidade de São Paulo, São Sebastião, São Paulo, Brazil
| | - Francisco A Leone
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil.
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Mo N, Feng T, Zhu D, Liu J, Shao S, Han R, Lu W, Zhan P, Cui Z. Analysis of adaptive molecular mechanisms in response to low salinity in antennal gland of mud crab, Scylla paramamosain. Heliyon 2024; 10:e25556. [PMID: 38356600 PMCID: PMC10865330 DOI: 10.1016/j.heliyon.2024.e25556] [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: 07/29/2022] [Revised: 01/20/2024] [Accepted: 01/29/2024] [Indexed: 02/16/2024] Open
Abstract
As an important marine aquaculture species, the mud crab (Scylla paramamosain) is a good candidate for studying the osmoregulatory mechanism of crustaceans. While previous studies have focused on the osmoregulatory function of the gills, this study aims to explore the osmoregulatory function of the antennal glands. By the comparative transcriptomic analysis, we found the pathways of ion regulation including "proximal tubule bicarbonate reclamation" and "mineral absorption" were activated in the antennal glands of the crabs long-term dwelling in low salinity. The enhanced ionic reabsorption was associated with up-regulated ion transport genes such as NKA, CA-c, VPA, and NHE, and with energy metabolism genes such as MDH, SLC25, and PEPCK. The upregulation of NKA and CA-c was also verified by the increased enzyme activity. The lowered osmolality and ion concentration of the hemolymph and the enlarged labyrinth lumen and hemolymph capillary inside the antennal glands indicated the infiltration of external water and the responsively increase of urine excretion, which explained the requirement of enhanced ionic reabsorption. To further confirm these findings, we examined the change of gene expression, enzyme activity, internal ion concentration, and external ion concentration during a 96 h low salinity challenge with seven intervals. The results were basically consistent with the results as shown in the long-term low salinity adaptation. The present study provides valuable information on the osmoregulatory function of the antennal glands of S. paramamosain. The implication of this study in marine aquaculture is that it provides valuable information on the osmoregulatory mechanism of mud crabs, which can be used to improve their culture conditions and enhance their tolerance to salinity stress. The identified genes and pathways involved in osmoregulation can also be potential targets for genetic selection and breeding programs to develop more resilient mud crab strains for aquaculture.
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Affiliation(s)
- Nan Mo
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Tianyi Feng
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Dandan Zhu
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Jiaxin Liu
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Shucheng Shao
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Rui Han
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Wentao Lu
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Pingping Zhan
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
| | - Zhaoxia Cui
- School of Marine Sciences, Ningbo University, Ningbo, 315020, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
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Capparelli MV, Dzul-Caamal R, Rodríguez-Cab EM, Borges-Ramírez MM, Osten JRV, Beltran K, Pichardo-Casales B, Ramírez-Olivares AI, Vargas-Abúndez JA, Thurman CL, Moulatlet GM, Rosas C. Synergistic effects of microplastic and lead trigger physiological and biochemical impairment in a mangrove crab. Comp Biochem Physiol C Toxicol Pharmacol 2024; 276:109809. [PMID: 38056684 DOI: 10.1016/j.cbpc.2023.109809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/16/2023] [Accepted: 12/03/2023] [Indexed: 12/08/2023]
Abstract
Microplastics (MP) are vectors for other environmental contaminants, such as metals, being a considerable problem, especially in the aquatic ecosystem. To investigate the combined effects of MP (high density polyethylene) with lead (Pb), we exposed the mangrove fiddler crab Minuca vocator to Pb (50 mg L-1), and MP (25 mg L-1) alone and in mixture, for 5 days. We aimed to determine Pb and MP bioaccumulation, as well as physiological (oxygen consumption and hemolymph osmolality) and biochemical (superoxide dismutase, catalase, glutathione peroxidase, and lipid peroxidation) traits effects. Co-exposure of MP and Pb significantly increased the bioaccumulation of Pb, but reduced MP tissue accumulation. Regarding the physiological traits, increasing osmolality and oxygen consumption rates compared to the control were observed, particularly in the combined Pb and MP exposure. As to biochemical traits, the combination of Pb and MP induced the most significant responses in the enzymatic profile antioxidant enzyme activity. The catalase (CAT), glutathione peroxidase (GPx), and dismutase superoxide (SOD) decreased compared to individual exposure effects; the combination of MP and Pb had a synergistic effect on promoting lipid peroxidation (LPO). The co-exposure of MP and Pb acted synergistically when compared to the effects of the isolated compounds. Due to the increasing MP contamination in mangroves, more severe physiological and biochemical effects can be expected on mangrove crabs exposed to metal contamination.
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Affiliation(s)
- Mariana V Capparelli
- Estación El Carmen, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Carretera Carmen-Puerto Real km 9.5, 24157 Ciudad del Carmen, Mexico.
| | - Ricardo Dzul-Caamal
- Instituto de Ecología, Pesquería y Oceanografía del Golfo de México (EPOMEX), Campus VI, Av. Héroe de Nacozari 480, Universidad Autónoma de Campeche, 24070 Campeche, Mexico
| | - Erick M Rodríguez-Cab
- Instituto de Ecología, Pesquería y Oceanografía del Golfo de México (EPOMEX), Campus VI, Av. Héroe de Nacozari 480, Universidad Autónoma de Campeche, 24070 Campeche, Mexico
| | - Merle M Borges-Ramírez
- Instituto de Ecología, Pesquería y Oceanografía del Golfo de México (EPOMEX), Campus VI, Av. Héroe de Nacozari 480, Universidad Autónoma de Campeche, 24070 Campeche, Mexico
| | - Jaime Rendón-von Osten
- Instituto de Ecología, Pesquería y Oceanografía del Golfo de México (EPOMEX), Campus VI, Av. Héroe de Nacozari 480, Universidad Autónoma de Campeche, 24070 Campeche, Mexico
| | - Karen Beltran
- Estación El Carmen, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Carretera Carmen-Puerto Real km 9.5, 24157 Ciudad del Carmen, Mexico
| | - Brian Pichardo-Casales
- Escuela Nacional de Estudios Superiores Unidad Morelia (ENES Morelia), Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No. 8701, C.P. 58190 Morelia, Michoacán, Mexico
| | | | | | - Carl L Thurman
- Department of Biology, University of Northern Iowa, 1227 W. 27 th St., Cedar Falls, IO, USA
| | - Gabriel M Moulatlet
- Arizona Institute for Resilience, University of Arizona, Tucson, AZ, USA; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona, USA
| | - Carlos Rosas
- Facultad de Estudios Superiores Zaragoza, Universidad Nacional Autónoma de México, Mexico
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Capparelli MV, Ramírez CA, Rodríguez-Santiago MA, Valencia-Castañeda G, Ávila E, Moulatlet GM. Effect of salinity on microplastic accumulation and osmoregulatory toxicity in the fiddler crab Minuca rapax. MARINE POLLUTION BULLETIN 2023; 193:115260. [PMID: 37423082 DOI: 10.1016/j.marpolbul.2023.115260] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/11/2023]
Abstract
The effects of salinity on the accumulation and toxicity of microplastics (MPs) in mangrove invertebrates are still scarcely described. We assessed the accumulation and osmoregulatory toxicity of the estuarine fiddler crab Minuca rapax, exposed to 25 mg L-1 of high-density polyethylene MPs at three combinations of osmotic media (hypo- 6, iso- 25, or hyper-35 psu), in 1, 3 and 5 days of exposure. Gills accumulated more MPs than the digestive tract (DT) and muscle. MP accumulation in the gills and DT was enhanced at 6 psu and reduced at 21 and 35 psu after 1 day of exposure. Muscle MP accumulation was not affected by salinity or exposure time. Osmotic regulation was unaffected by MP exposure in any exposure time. Our findings demonstrate that M. rapax accumulates MPs in gills and DT depending on the salinity and that MPs are not osmoregulatory toxicant for this species.
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Affiliation(s)
- Mariana V Capparelli
- Estación el Carmen, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Carretera Carmen-Puerto Real km. 9.5, C. P 24157 Ciudad del Carmen, Campeche, Mexico.
| | - Carla A Ramírez
- Universidad Autónoma del Carmen (UNACAR), Ciudad del Carmen, Campeche, Mexico
| | - María A Rodríguez-Santiago
- Universidad Autónoma del Carmen (UNACAR), Ciudad del Carmen, Campeche, Mexico; Consejo Nacional de Ciencia y Tecnología (CONACYT), Mexico; Grupo de Investigación en Sostenibilidad Ambiental (GISA), Escuela Universitaria de Posgrado, Universidad Nacional Federico Villarreal, Lima, Peru; Grupo de investigación One Health-Una Salud, Universidad Ricardo Palma, Lima, Peru
| | - Gladys Valencia-Castañeda
- Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de Mexico, Unidad Académica Mazatlán, Mexico
| | - Enrique Ávila
- Estación el Carmen, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Carretera Carmen-Puerto Real km. 9.5, C. P 24157 Ciudad del Carmen, Campeche, Mexico
| | - Gabriel M Moulatlet
- Red de Biología Evolutiva, Instituto de Ecología, A.C., Xalapa, Veracruz, Mexico
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Ge Q, Wang J, Li J, Li J. Effect of high alkalinity on shrimp gills: Histopathological alternations and cell specific responses. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 256:114902. [PMID: 37062262 DOI: 10.1016/j.ecoenv.2023.114902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/20/2022] [Accepted: 04/09/2023] [Indexed: 06/19/2023]
Abstract
High alkalinity stress was considered as a major risk factor for aquatic animals surviving in saline-alkaline water. However, few information exists on the effects of alkalinity stress in crustacean species. As the dominant role of gills in osmotic and ionic regulation, the present study firstly evaluated the effect of alkalinity stress in Exopalaemon carinicauda to determine changes in gill microstructure, and then explore the heterogeneity response of gill cells in alkalinity adaptation by single-cell RNA sequencing (scRNA-seq). Hemolymph osmolality and pH were increased remarkably, and gills showed pillar cells with more symmetrical arrangement and longer lateral flanges and nephrocytes with larger vacuoles in high alkalinity. ScRNA-seq results showed that alkalinity stress reduced the proportion of pillar cells and increased the proportion of nephrocytes significantly. The differentially expressed genes (DEGs) related to ion transport, especially acid-base regulation, such as V(H+)-ATPases and carbonic anhydrases, were down-regulated in pillar cells and up-regulated in nephrocytes. Furthermore, pseudotime analysis showed that some nephrocytes transformed to perform ion transport function in alkalinity adaption. Notedly, the positive signals of carbonic anhydrase were obviously observed in the nephrocytes after alkalinity stress. These results indicated that the alkalinity stress inhibited the ion transport function of pillar cells, but induced the active role of nephrocytes in alkalinity adaptation. Collectively, our results provided the new insight into the cellular and molecular mechanism behind the adverse effects of saline-alkaline water and the saline-alkaline adaption mechanism in crustaceans.
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Affiliation(s)
- Qianqian Ge
- Laoshan Laboratory, Qingdao, China; Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Qingdao Marine Science and Technology Center, Qingdao, China
| | - Jiajia Wang
- Laoshan Laboratory, Qingdao, China; Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
| | - Jitao Li
- Laoshan Laboratory, Qingdao, China; Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China.
| | - Jian Li
- Laoshan Laboratory, Qingdao, China; Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China.
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McNamara JC, Maraschi AC, Tapella F, Romero MC. Evolutionary trade-offs in osmotic and ionic regulation and expression of gill ion transporter genes in high latitude, cold clime Neotropical crabs from the 'end of the world'. J Exp Biol 2023; 226:287036. [PMID: 36789831 DOI: 10.1242/jeb.244129] [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: 02/14/2022] [Accepted: 02/03/2023] [Indexed: 02/16/2023]
Abstract
Osmoregulatory findings on crabs from high Neotropical latitudes are entirely lacking. Seeking to identify the consequences of evolution at low temperature, we examined hyperosmotic/hypo-osmotic and ionic regulation and gill ion transporter gene expression in two sub-Antarctic Eubrachyura from the Beagle Channel, Tierra del Fuego. Despite sharing the same osmotic niche, Acanthocyclus albatrossis tolerates a wider salinity range (2-65‰ S) than Halicarcinus planatus (5-60‰ S); their respective lower and upper critical salinities are 4‰ and 12‰ S, and 63‰ and 50‰ S. Acanthocyclus albatrossis is a weak hyperosmotic regulator, while H. planatus hyperosmoconforms; isosmotic points are 1380 and ∼1340 mOsm kg-1 H2O, respectively. Both crabs hyper/hypo-regulate [Cl-] well with iso-chloride points at 452 and 316 mmol l-1 Cl-, respectively. [Na+] is hyper-regulated at all salinities. mRNA expression of gill Na+/K+-ATPase is salinity sensitive in A. albatrossis, increasing ∼1.9-fold at 5‰ compared with 30‰ S, decreasing at 40-60‰ S. Expression in H. planatus is very low salinity sensitive, increasing ∼4.7-fold over 30‰ S, but decreasing at 50‰ S. V-ATPase expression decreases in A. albatrossis at low and high salinities as in H. planatus. Na+/K+/2Cl- symporter expression in A. albatrossis increases 2.6-fold at 5‰ S, but decreases at 60‰ S versus 30‰ S. Chloride uptake may be mediated by increased Na+/K+/2Cl- expression but Cl- secretion is independent of symporter expression. These unrelated eubrachyurans exhibit similar systemic osmoregulatory characteristics and are better adapted to dilute media; however, the expression of genes underlying ion uptake and secretion shows marked interspecific divergence. Cold clime crabs may limit osmoregulatory energy expenditure by hyper/hypo-regulating hemolymph [Cl-] alone, apportioning resources for other energy-demanding processes.
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Affiliation(s)
- John Campbell McNamara
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-901, SP, Brazil.,Centro de Biologia Marinha, Universidade de São Paulo, São Sebastião 11600-000, SP, Brazil
| | - Anieli Cristina Maraschi
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - Federico Tapella
- Centro Austral de Investigaciones Científicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Bernardo A. Houssay 200, V9410CAB Ushuaia, Tierra del Fuego, Argentina
| | - Maria Carolina Romero
- Centro Austral de Investigaciones Científicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Bernardo A. Houssay 200, V9410CAB Ushuaia, Tierra del Fuego, Argentina
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Lee CE, Charmantier G, Lorin-Nebel C. Mechanisms of Na + uptake from freshwater habitats in animals. Front Physiol 2022; 13:1006113. [PMID: 36388090 PMCID: PMC9644288 DOI: 10.3389/fphys.2022.1006113] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/28/2022] [Indexed: 07/20/2023] Open
Abstract
Life in fresh water is osmotically and energetically challenging for living organisms, requiring increases in ion uptake from dilute environments. However, mechanisms of ion uptake from freshwater environments are still poorly understood and controversial, especially in arthropods, for which several hypothetical models have been proposed based on incomplete data. One compelling model involves the proton pump V-type H+ ATPase (VHA), which energizes the apical membrane, enabling the uptake of Na+ (and other cations) via an unknown Na+ transporter (referred to as the "Wieczorek Exchanger" in insects). What evidence exists for this model of ion uptake and what is this mystery exchanger or channel that cooperates with VHA? We present results from studies that explore this question in crustaceans, insects, and teleost fish. We argue that the Na+/H+ antiporter (NHA) is a likely candidate for the Wieczorek Exchanger in many crustaceans and insects; although, there is no evidence that this is the case for fish. NHA was discovered relatively recently in animals and its functions have not been well characterized. Teleost fish exhibit redundancy of Na+ uptake pathways at the gill level, performed by different ion transporter paralogs in diverse cell types, apparently enabling tolerance of low environmental salinity and various pH levels. We argue that much more research is needed on overall mechanisms of ion uptake from freshwater habitats, especially on NHA and other potential Wieczorek Exchangers. Such insights gained would contribute greatly to our general understanding of ionic regulation in diverse species across habitats.
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Affiliation(s)
- Carol Eunmi Lee
- Department of Integrative Biology, University of Wisconsin, Madison, WI, United States
- MARBEC, Univ Montpellier, CNRS, Ifremer, IRD, Montpellier, France
| | - Guy Charmantier
- MARBEC, Univ Montpellier, CNRS, Ifremer, IRD, Montpellier, France
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Fabri LM, Moraes CM, Costa MIC, Garçon DP, Fontes CFL, Pinto MR, McNamara JC, Leone FA. Salinity-dependent modulation by protein kinases and the FXYD2 peptide of gill (Na +, K +)-ATPase activity in the freshwater shrimp Macrobrachium amazonicum (Decapoda, Palaemonidae). BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2022; 1864:183982. [PMID: 35671812 DOI: 10.1016/j.bbamem.2022.183982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 05/16/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
The geographical distribution of aquatic crustaceans is determined by ambient factors like salinity that modulate their biochemistry, physiology, behavior, reproduction, development and growth. We investigated the effects of exogenous pig FXYD2 peptide and endogenous protein kinases A and C on gill (Na+, K+)-ATPase activity, and characterized enzyme kinetic properties in a freshwater population of Macrobrachium amazonicum in fresh water (<0.5 ‰ salinity) or acclimated to 21 ‰S. Stimulation by FXYD2 peptide and inhibition by endogenous kinase phosphorylation are salinity-dependent. While without effect in shrimps in fresh water, the FXYD2 peptide stimulated activity in salinity-acclimated shrimps by ≈50 %. PKA-mediated phosphorylation inhibited gill (Na+, K+)-ATPase activity by 85 % in acclimated shrimps while PKC phosphorylation markedly inhibited enzyme activity in freshwater- and salinity-acclimated shrimps. The (Na+, K+)-ATPase in salinity-acclimated shrimp gills hydrolyzed ATP at a Vmax of 54.9 ± 1.8 nmol min-1 mg-1 protein, corresponding to ≈60 % that of freshwater shrimps. Mg2+ affinity increased with salinity acclimation while K+ affinity decreased. (Ca2+, Mg2+)-ATPase activity increased while V(H+)- and Na+- or K+-stimulated activities decreased on salinity acclimation. The 120-kDa immunoreactive band expressed in salinity-acclimated shrimps suggests nonspecific α-subunit phosphorylation by PKA and/or PKC. These alterations in (Na+, K+)-ATPase kinetics in salinity-acclimated M. amazonicum may result from regulatory mechanisms mediated by phosphorylation via protein kinases A and C and the FXYD2 peptide rather than through the expression of a different α-subunit isoform. This is the first demonstration of gill (Na+, K+)-ATPase regulation by protein kinases in freshwater shrimps during salinity challenge.
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Affiliation(s)
- Leonardo M Fabri
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Brazil
| | - Cintya M Moraes
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Brazil
| | - Maria I C Costa
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | | | - Carlos F L Fontes
- Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Brazil
| | - Marcelo R Pinto
- Laboratório de Biopatologia e Biologia Molecular, Universidade de Uberaba, Uberaba, Brazil
| | - John C McNamara
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil; Centro de Biologia Marinha, Universidade de São Paulo, São Sebastião, Brazil
| | - Francisco A Leone
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil.
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10
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Tseng KY, Tsai JR, Lin HC. A Multi-Species Comparison and Evolutionary Perspectives on Ion Regulation in the Antennal Gland of Brachyurans. Front Physiol 2022; 13:902937. [PMID: 35721559 PMCID: PMC9201427 DOI: 10.3389/fphys.2022.902937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 04/28/2022] [Indexed: 11/13/2022] Open
Abstract
Brachyurans inhabit a variety of habitats and have evolved diverse osmoregulatory patterns. Gills, antennal glands and a lung-like structure are important organs of crabs that maintain their homeostasis in different habitats. Species use different processes to regulate ions in the antennal gland, especially those with high terrestriality such as Grapsoidea and Ocypodoidea. Our phylogenetic generalized least square (PGLS) result also suggested that there is a correlation between antennal gland NKA activity and urine-hemolymph ratio for Na+ concentration in hypo-osmotic environments among crabs. Species with higher antennal gland NKA activity showed a lower urine-hemolymph ratio for Na+ concentration under hypo-osmotic stress. These phenomenon may correlate to the structural and functional differences in gills and lung-like structure among crabs. However, a limited number of studies have focused on the structural and functional differences in the antennal gland among brachyurans. Integrative and systemic methods like next generation sequencing and proteomics method can be useful for investigating the differences in multi-gene expression and sequences among species. These perspectives can be combined to further elucidate the phylogenetic history of crab antennal glands.
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Affiliation(s)
- Kuang-Yu Tseng
- Department of Life Science, Tunghai University, Taichung, Taiwan
| | - Jyuan-Ru Tsai
- Department of Life Science, Tunghai University, Taichung, Taiwan
| | - Hui-Chen Lin
- Department of Life Science, Tunghai University, Taichung, Taiwan
- Center for Ecology and Environment, Tunghai University, Taichung, Taiwan
- *Correspondence: Hui-Chen Lin,
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11
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Xue C, Xu K, Jin Y, Bian C, Sun S. Transcriptome Analysis to Study the Molecular Response in the Gill and Hepatopancreas Tissues of Macrobrachium nipponense to Salinity Acclimation. Front Physiol 2022; 13:926885. [PMID: 35694393 PMCID: PMC9176394 DOI: 10.3389/fphys.2022.926885] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 05/02/2022] [Indexed: 11/23/2022] Open
Abstract
Macrobrachium nipponense is an economically important prawn species and common in Chinese inland capture fisheries. During aquaculture, M. nipponense can survive under freshwater and low salinity conditions. The molecular mechanism underlying the response to salinity acclimation remains unclear in this species; thus, in this study, we used the Illumina RNA sequencing platform for transcriptome analyses of the gill and hepatopancreas tissues of M. nipponense exposed to salinity stress [0.4‰ (S0, control group), 6‰ (S6, low salinity group), and 12‰ (S12, high salinity group)]. Differentially expressed genes were identified, and several important salinity adaptation-related terms and signaling pathways were found to be enriched, such as “ion transport,” “oxidative phosphorylation,” and “glycometabolism.” Quantitative real-time PCR demonstrated the participation of 12 key genes in osmotic pressure regulation in M. nipponense under acute salinity stress. Further, the role of carbonic anhydrase in response to salinity acclimation was investigated by subjecting the gill tissues of M. nipponense to in situ hybridization. Collectively, the results reported herein enhance our understanding of the mechanisms via which M. nipponense adapts to changes in salinity.
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Affiliation(s)
- Cheng Xue
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai, China
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai, China
| | - Kang Xu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai, China
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai, China
| | - Yiting Jin
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai, China
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai, China
| | - Chao Bian
- Shenzhen Key Lab of Marine Genomics, Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic Animals, BGI Academy of Marine Sciences, BGI Marine, Shenzhen, China
| | - Shengming Sun
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai, China
- International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai, China
- *Correspondence: Shengming Sun,
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12
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Li Y, Liu Z, Jiang Q, Ye Y, Zhao Y. Effects of nanoplastic on cell apoptosis and ion regulation in the gills of Macrobrachium nipponense. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 300:118989. [PMID: 35157932 DOI: 10.1016/j.envpol.2022.118989] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 01/24/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Nanoplastic, ubiquitous in aquatic environments, are raising concern worldwide. However, studies on nanoplastic exposure and its effects on ion transport in aquatic organisms are limited. In this study, the juvenile oriental river shrimp, Macrobrachium nipponense, was exposed to five levels of nanoplastic concentrations (0, 5, 10, 20, 40 mg/L) in order to evaluate cell viability, ion content, ion transport, ATPase activity, and related gene expression. The results showed that the apoptosis rate was higher in the high concentration nanoplastic group (40 mg/L) compared to the low concentration nanoplastic group (5 mg/L) and the control group (0 mg/L). The ion content of sodium (Na+), potassium (K+), chloride (Cl-), and calcium (Ca2+) showed a decreasing trend in gill tissue compared to the control group. The Na+K+-ATPase, V(H)-ATPase, Ca2+Mg2+-ATPase, and total ATPase activities in the gills of M. nipponense showed a general decrease with the increasement of nanoplastic concentration and time of exposure. When increasing nanoplastic concentration, the expression of ion transport-related genes in the gills of M. nipponense showed first rise then descend trend. As elucidated by the results, high nanoplastic concentrations have negative effect on cell viability, ion content, ion transport ATPase activity, and ion transport-related gene expression in the gills of M. nipponense. This research provides a theoretical foundation for the toxic effects of nanoplastic in aquaculture.
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Affiliation(s)
- Yiming Li
- School of Life Science, East China Normal University, Shanghai, 200241, China
| | - Zhiquan Liu
- School of Life and Environmental Sciences, Hangzhou Normal University, 310018, Hangzhou, Zhejiang, China
| | - Qichen Jiang
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Yucong Ye
- School of Life Science, East China Normal University, Shanghai, 200241, China
| | - Yunlong Zhao
- School of Life Science, East China Normal University, Shanghai, 200241, China; State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, 200241, China.
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13
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Rahi ML, Azad KN, Tabassum M, Irin HH, Hossain KS, Aziz D, Moshtaghi A, Hurwood DA. Effects of Salinity on Physiological, Biochemical and Gene Expression Parameters of Black Tiger Shrimp ( Penaeus monodon): Potential for Farming in Low-Salinity Environments. BIOLOGY 2021; 10:biology10121220. [PMID: 34943135 PMCID: PMC8698961 DOI: 10.3390/biology10121220] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/22/2021] [Accepted: 10/27/2021] [Indexed: 01/10/2023]
Abstract
Salinity is one of the most important abiotic factors affecting growth, metabolism, immunity and survival of aquatic species in farming environments. As a euryhaline species, the black tiger shrimp (Penaeus monodon) can tolerate a wide range of salinity levels and is farmed between brackish to marine water conditions. The current study tested the effects of six different salinity levels (0‱, 2.5‱, 5‱, 10‱, 20‱ and 30‱) on the selected physiological, biochemical and genetic markers (individual changes in the expression pattern of selected candidate genes) in the black tiger shrimp. Experimental salinity levels significantly affected growth and survival performance (p < 0.05); the highest levels of growth and survival performance were observed at the control (20‱) salinity. Salinity reductions significantly increased free fatty acid (FFA), but reduced free amino acid (FAA) levels. Lower salinity treatments (0-10‱) significantly reduced hemolymph osmolality levels while 30‱ significantly increased osmolality levels. The five different salinity treatments increased the expression of osmoregulatory and hemolymph regulatory genes by 1.2-8-fold. In contrast, 1.2-1.6-fold lower expression levels were observed at the five salinity treatments for growth (alpha amylase) and immunity (toll-like receptor) genes. O2 consumption, glucose and serotonin levels, and expression of osmoregulatory genes showed rapid increase initially with salinity change, followed by reducing trend and stable patterns from the 5th day to the end. Hemocyte counts, expression of growth and immunity related genes showed initial decreasing trends, followed by an increasing trend and finally stability from 20th day to the end. Results indicate the farming potential of P. monodon at low salinity environments (possibly at freshwater) by proper acclimation prior to stocking with minimal effects on production performance.
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Affiliation(s)
- Md. Lifat Rahi
- Fisheries and Marine Resource Technology Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh; (M.L.R.); (K.N.A.); (M.T.); (H.H.I.); (K.S.H.)
| | - Khairun Naher Azad
- Fisheries and Marine Resource Technology Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh; (M.L.R.); (K.N.A.); (M.T.); (H.H.I.); (K.S.H.)
| | - Maliha Tabassum
- Fisheries and Marine Resource Technology Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh; (M.L.R.); (K.N.A.); (M.T.); (H.H.I.); (K.S.H.)
| | - Hasna Hena Irin
- Fisheries and Marine Resource Technology Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh; (M.L.R.); (K.N.A.); (M.T.); (H.H.I.); (K.S.H.)
| | - Kazi Sabbir Hossain
- Fisheries and Marine Resource Technology Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh; (M.L.R.); (K.N.A.); (M.T.); (H.H.I.); (K.S.H.)
| | - Dania Aziz
- Department of Aquaculture, Faculty of Agriculture, University Putra Malaysia (UPM), Serdang 43400, Malaysia
- International Institute of Aquaculture and Aquatic Sciences (I-AQUAS), University Putra Malaysia (UPM), Port Dickson 70150, Malaysia; (A.M.); (D.A.H.)
- Correspondence:
| | - Azam Moshtaghi
- International Institute of Aquaculture and Aquatic Sciences (I-AQUAS), University Putra Malaysia (UPM), Port Dickson 70150, Malaysia; (A.M.); (D.A.H.)
| | - David A Hurwood
- International Institute of Aquaculture and Aquatic Sciences (I-AQUAS), University Putra Malaysia (UPM), Port Dickson 70150, Malaysia; (A.M.); (D.A.H.)
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14
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Maraschi AC, Faria SC, McNamara JC. Salt transport by the gill Na -K -2Cl symporter in palaemonid shrimps: exploring physiological, molecular and evolutionary landscapes. Comp Biochem Physiol A Mol Integr Physiol 2021; 257:110968. [DOI: 10.1016/j.cbpa.2021.110968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 04/21/2021] [Accepted: 04/21/2021] [Indexed: 12/22/2022]
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15
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Mantovani M, McNamara JC. Contrasting strategies of osmotic and ionic regulation in freshwater crabs and shrimps: gene expression of gill ion transporters. J Exp Biol 2021; 224:jeb233890. [PMID: 33443071 DOI: 10.1242/jeb.233890] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 12/16/2020] [Indexed: 12/21/2022]
Abstract
Owing to their extraordinary niche diversity, the Crustacea are ideal for comprehending the evolution of osmoregulation. The processes that effect systemic hydro-electrolytic homeostasis maintain hemolymph ionic composition via membrane transporters located in highly specialized gill ionocytes. We evaluated physiological and molecular hyper- and hypo-osmoregulatory mechanisms in two phylogenetically distant, freshwater crustaceans, the crab Dilocarcinus pagei and the shrimp Macrobrachium jelskii, when osmotically challenged for up to 10 days. When in distilled water, D. pagei survived without mortality, hemolymph osmolality and [Cl-] increased briefly, stabilizing at initial values, while [Na+] decreased continually. Expression of gill V-type H+-ATPase (V-ATPase), Na+/K+-ATPase and Na+/K+/2Cl- symporter genes was unchanged. In M. jelskii, hemolymph osmolality, [Cl-] and [Na+] decreased continually for 12 h, the shrimps surviving only around 15-24 h exposure. Gill transporter gene expression increased 2- to 5-fold. After 10 days exposure to brackish water (25‰S), D. pagei was isosmotic, iso-chloremic and iso-natriuremic. Gill V-ATPase expression decreased while Na+/K+-ATPase and Na+/K+/2Cl- symporter expression was unchanged. In M. jelskii (20‰S), hemolymph was hypo-regulated, particularly [Cl-]. Transporter expression initially increased 3- to 12-fold, declining to control values. Gill V-ATPase expression underlies the ability of D. pagei to survive in fresh water while V-ATPase, Na+/K+-ATPase and Na+/K+/2Cl- symporter expression enables M. jelskii to confront hyper/hypo-osmotic challenges. These findings reveal divergent responses in two unrelated crustaceans inhabiting a similar osmotic niche. While D. pagei does not secrete salt, tolerating elevated cellular isosmoticity, M. jelskii exhibits clear hypo-osmoregulatory ability. Each species has evolved distinct strategies at the transcriptional and systemic levels during its adaptation to fresh water.
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Affiliation(s)
- Milene Mantovani
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - John Campbell McNamara
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-901, SP, Brazil
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16
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Rahi ML, Mather PB, Hurwood DA. Do plasticity in gene expression and physiological responses in Palaemonid prawns facilitate adaptive response to different osmotic challenges? Comp Biochem Physiol A Mol Integr Physiol 2021; 251:110810. [DOI: 10.1016/j.cbpa.2020.110810] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 09/25/2020] [Accepted: 09/25/2020] [Indexed: 12/20/2022]
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17
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de Barros FC, Grizante MB, Zampieri FAM, Kohlsdorf T. Peculiar relationships among morphology, burrowing performance and sand type in two fossorial microteiid lizards. ZOOLOGY 2020; 144:125880. [PMID: 33310388 DOI: 10.1016/j.zool.2020.125880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 12/16/2022]
Abstract
Associations among ecology, morphology and locomotor performance have been intensively investigated in several vertebrate lineages. Knowledge on how phenotypes evolve in natural environments likely benefits from identification of circumstances that might expand current ecomorphological equations. In this study, we used two species of Calyptommatus lizards from Brazilian Caatingas to evaluate if specific soil properties favor burrowing performance. As a derived prediction, we expected that functional associations would be easily detectable at the sand condition that favors low-resistance burrowing. We collected two endemic lizards and soil samples in their respective localities, obtained morphological data and recorded performance of both species in different sand types. As a result, the two species burrowed faster at the fine and homogeneous sand, the only condition where we detected functional associations between morphology and locomotion. In this sand type, lizards from both Calyptommatus species that have higher trunks and more concave heads were the ones that burrowed faster, and these phenotypic traits did not morphologically discriminate the two Calyptommatus populations studied. We discuss that integrative approaches comprising manipulation of environmental conditions clearly contribute to elucidate processes underlying phenotypic evolution in fossorial lineages.
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Affiliation(s)
- Fábio C de Barros
- Department of Biology, FFCLRP, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, SP, 14040-901, Brazil; Department of Ecology and Evolutionary Biology, ICAQF, Federal University of São Paulo, Rua Prof. Artur Riedel, 275, Diadema, SP, 09972-270, Brazil.
| | - Mariana B Grizante
- Department of Biology, FFCLRP, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, SP, 14040-901, Brazil; Instituto Dante Pazzanese de Cardiologia, Brazil
| | - Felipe A M Zampieri
- Department of Biology, FFCLRP, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, SP, 14040-901, Brazil
| | - Tiana Kohlsdorf
- Department of Biology, FFCLRP, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, SP, 14040-901, Brazil.
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18
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Moraes CM, Lucena MN, Garçon DP, Pinto MR, Fabri LM, Faleiros RO, Fontes CFL, McNamara JC, Leone FA. Biochemical Characterization and Allosteric Modulation by Magnesium of (Na +, K +)-ATPase Activity in the Gills of the Red Mangrove Crab Goniopsis cruentata (Brachyura, Grapsidae). J Membr Biol 2020; 253:229-245. [PMID: 32440867 DOI: 10.1007/s00232-020-00120-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 05/02/2020] [Indexed: 11/26/2022]
Abstract
We provide a kinetic characterization of (Na+, K+)-ATPase activity in a posterior gill microsomal fraction from the grapsid crab Goniopsis cruentata. (Na+, K+)-ATPase activity constitutes 95% of total ATPase activity, and sucrose density centrifugation reveals an ATPase activity peak between 25 and 35% sucrose, distributed into two, partially separated protein fractions. The (Na+, K+)-ATPase α-subunit is localized throughout the ionocyte cytoplasm and has an Mr of ≈ 10 kDa and hydrolyzes ATP obeying cooperative kinetics. Low (VM = 186.0 ± 9.3 nmol Pi min-1 mg-1 protein and K0.5 = 0.085 ± 0.004 mmol L-1) and high (VM = 153.4 ± 7.7 nmol Pi min-1 mg-1 protein and K0.5 = 0.013 ± 0.0006 mmol L-1) affinity ATP binding sites were characterized. At low ATP concentrations, excess Mg2+ stimulates the enzyme, triggering exposure of a high-affinity binding site that accounts for 50% of (Na+, K+)-ATPase activity. Stimulation by Mg2+ (VM = 425.9 ± 25.5 nmol Pi min-1 mg-1 protein, K0.5 = 0.16 ± 0.01 mmol L-1), K+ (VM = 485.3 ± 24.3 nmol Pi min-1 mg-1 protein, K0.5 = 0.9 ± 0.05 mmol L-1), Na+ (VM = 425.0 ± 23.4 nmol Pi min-1 mg-1 protein, K0.5 = 5.1 ± 0.3 mmol L-1) and NH4+ (VM = 497.9 ± 24.9 nmol Pi min-1 mg-1 protein, K0.5 = 9.7 ± 0.5 mmol L-1) obeys cooperative kinetics. Ouabain inhibits up to 95% of ATPase activity with KI = 196.6 ± 9.8 µmol L-1. This first kinetic characterization of the gill (Na+, K+)-ATPase in Goniopsis cruentata enables better comprehension of the biochemical underpinnings of osmoregulatory ability in this semi-terrestrial mangrove crab.
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Affiliation(s)
- Cintya M Moraes
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, 14040-901, Brazil
| | - Malson N Lucena
- Instituto de Biociências, Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil
| | | | - Marcelo R Pinto
- Laboratório de Biopatologia e Biologia Molecular Universidade Uberaba, Uberaba, MG, Brazil
| | - Leonardo M Fabri
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, 14040-901, Brazil
| | - Rogério O Faleiros
- Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, São Mateus, ES, Brazil
| | - Carlos F L Fontes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - John C McNamara
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
- Centro de Biologia Marinha, Universidade de São Paulo, São Sebastião, SP, Brazil
| | - Francisco A Leone
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, 14040-901, Brazil.
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19
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Rahi ML, Mather PB, Ezaz T, Hurwood DA. The Molecular Basis of Freshwater Adaptation in Prawns: Insights from Comparative Transcriptomics of Three Macrobrachium Species. Genome Biol Evol 2019; 11:1002-1018. [PMID: 30840062 PMCID: PMC6450038 DOI: 10.1093/gbe/evz045] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2019] [Indexed: 12/17/2022] Open
Abstract
Elucidating the molecular basis of adaptation to different environmental conditions is important because adaptive ability of a species can shape its distribution, influence speciation, and also drive a variety of evolutionary processes. For crustaceans, colonization of freshwater habitats has significantly impacted diversity, but the molecular basis of this process is poorly understood. In the current study, we examined three prawn species from the genus Macrobrachium (M. australiense, M. tolmerum, and M. novaehollandiae) to better understand the molecular basis of freshwater adaptation using a comparative transcriptomics approach. Each of these species naturally inhabit environments with different salinity levels; here, we exposed them to the same experimental salinity conditions (0‰ and 15‰), to compare expression patterns of candidate genes that previously have been shown to influence phenotypic traits associated with freshwater adaptation (e.g., genes associated with osmoregulation). Differential gene expression analysis revealed 876, 861, and 925 differentially expressed transcripts under the two salinities for M. australiense, M. tolmerum, and M. novaehollandiae, respectively. Of these, 16 were found to be unannotated novel transcripts and may be taxonomically restricted or orphan genes. Functional enrichment and molecular pathway mapping revealed 13 functionally enriched categories and 11 enriched molecular pathways that were common to the three Macrobrachium species. Pattern of selection analysis revealed 26 genes with signatures of positive selection among pairwise species comparisons. Overall, our results indicate that the same key genes and similar molecular pathways are likely to be involved with freshwater adaptation widely across this decapod group; with nonoverlapping sets of genes showing differential expression (mainly osmoregulatory genes) and signatures of positive selection (genes involved with different life history traits).
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Affiliation(s)
- Md Lifat Rahi
- Science and Engineering Faculty, School of Earth Environment and Biological Sciences (EEBS), Queensland University of Technology (QUT), Brisbane, Queensland, Australia
| | - Peter B Mather
- Science and Engineering Faculty, School of Earth Environment and Biological Sciences (EEBS), Queensland University of Technology (QUT), Brisbane, Queensland, Australia
| | - Tariq Ezaz
- Wildlife Genetics Laboratory, Institute for Applied Ecology, University of Canberra, Australian Capital Territory, Australia
| | - David A Hurwood
- Science and Engineering Faculty, School of Earth Environment and Biological Sciences (EEBS), Queensland University of Technology (QUT), Brisbane, Queensland, Australia
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20
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Cloning and characterisation of Na+/K+-ATPase and carbonic anhydrase from oriental river prawn Macrobrachium nipponense. Int J Biol Macromol 2019; 129:809-817. [DOI: 10.1016/j.ijbiomac.2019.02.098] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/16/2019] [Accepted: 02/16/2019] [Indexed: 01/04/2023]
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21
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Fabri LM, Lucena MN, Garçon DP, Moraes CM, McNamara JC, Leone FA. Kinetic characterization of the gill (Na+, K+)-ATPase in a hololimnetic population of the diadromous Amazon River shrimp Macrobrachium amazonicum (Decapoda, Palaemonidae). Comp Biochem Physiol B Biochem Mol Biol 2019; 227:64-74. [DOI: 10.1016/j.cbpb.2018.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 09/18/2018] [Indexed: 10/28/2022]
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22
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Moshtaghi A, Rahi ML, Mather PB, Hurwood DA. An investigation of gene expression patterns that contribute to osmoregulation in Macrobrachium australiense: Assessment of adaptive responses to different osmotic niches. GENE REPORTS 2018. [DOI: 10.1016/j.genrep.2018.09.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Freire CA, Maraschi AC, Lara AF, Amado EM, Prodocimo V. Late rise in hemolymph osmolality in Macrobrachium acanthurus (diadromous freshwater shrimp) exposed to brackish water: Early reduction in branchial Na+/K+ pump activity but stable muscle HSP70 expression. Comp Biochem Physiol B Biochem Mol Biol 2018; 216:69-74. [DOI: 10.1016/j.cbpb.2017.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 12/01/2017] [Accepted: 12/05/2017] [Indexed: 12/20/2022]
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Faleiros RO, Furriel RP, McNamara JC. Transcriptional, translational and systemic alterations during the time course of osmoregulatory acclimation in two palaemonid shrimps from distinct osmotic niches. Comp Biochem Physiol A Mol Integr Physiol 2017; 212:97-106. [DOI: 10.1016/j.cbpa.2017.07.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 07/19/2017] [Accepted: 07/26/2017] [Indexed: 12/27/2022]
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Antunes CD, Lucena MN, Garçon DP, Leone FA, McNamara JC. Low salinity-induced alterations in epithelial ultrastructure, Na+/K+-ATPase immunolocalization and enzyme kinetic characteristics in the gills of the thinstripe hermit crab,Clibanarius vittatus(Anomura, Diogenidae). JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2017; 327:380-397. [DOI: 10.1002/jez.2109] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 07/13/2017] [Accepted: 08/21/2017] [Indexed: 02/01/2023]
Affiliation(s)
- Claudia Doi Antunes
- Departamento de Biologia; Faculdade de Filosofia; Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto SP Brazil
- Centro de Biologia Marinha; Universidade de São Paulo; São Sebastião SP Brazil
| | - Malson Neilson Lucena
- Departamento de Química; Faculdade de Filosofia; Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto SP Brazil
| | - Daniela Pereira Garçon
- Campus Universitário de Iturama; Universidade Federal do Triângulo Mineiro; Iturama MG Brazil
| | - Francisco Assis Leone
- Departamento de Química; Faculdade de Filosofia; Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto SP Brazil
| | - John Campbell McNamara
- Departamento de Biologia; Faculdade de Filosofia; Ciências e Letras de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto SP Brazil
- Centro de Biologia Marinha; Universidade de São Paulo; São Sebastião SP Brazil
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Farias DL, Lucena MN, Garçon DP, Mantelatto FL, McNamara JC, Leone FA. A Kinetic Characterization of the Gill (Na +, K +)-ATPase from the Semi-terrestrial Mangrove Crab Cardisoma guanhumi Latreille, 1825 (Decapoda, Brachyura). J Membr Biol 2017; 250:517-534. [PMID: 28840273 DOI: 10.1007/s00232-017-9978-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 08/09/2017] [Indexed: 11/25/2022]
Abstract
We provide a kinetic characterization of (Na+, K+)-ATPase activity in a posterior gill microsomal fraction from the semi-terrestrial mangrove crab Cardisoma guanhumi. Sucrose density gradient centrifugation reveals two distinct membrane fractions showing considerable (Na+, K+)-ATPase activity, but also containing other microsomal ATPases. The (Na+, K+)-ATPase, notably immuno-localized to the apical region of the epithelial pillar cells, and throughout the pillar cell bodies, has an M r of around 110 kDa and hydrolyzes ATP with V M = 146.8 ± 6.3 nmol Pi min-1 mg protein-1 and K M = 0.05 ± 0.003 mmol L-1 obeying Michaelis-Menten kinetics. While stimulation by Na+ (V M = 139.4 ± 6.9 nmol Pi min-1 mg protein-1, K M = 4.50 ± 0.22 mmol L-1) also follows Michaelis-Menten kinetics, modulation of (Na+, K+)-ATPase activity by MgATP (V M = 136.8 ± 6.5 nmol Pi min-1 mg protein-1, K 0.5 = 0.27 ± 0.04 mmol L-1), K+ (V M = 140.2 ± 7.0 nmol Pi min-1 mg protein-1, K 0.5 = 0.17 ± 0.008 mmol L-1), and NH4+ (V M = 149.1 ± 7.4 nmol Pi min-1 mg protein-1, K 0.5 = 0.60 ± 0.03 mmol L-1) shows cooperative kinetics. Ouabain (K I = 52.0 ± 2.6 µmol L-1) and orthovanadate (K I = 1.0 ± 0.05 µmol L-1) inhibit total ATPase activity by around 75%. At low Mg2+ concentrations, ATP is an allosteric modulator of the enzyme. This is the first study to provide a kinetic characterization of the gill (Na+, K+)-ATPase in C. guanhumi, and will be useful in better comprehending the biochemical underpinnings of osmoregulatory ability in a semi-terrestrial mangrove crab.
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Affiliation(s)
- Daniel L Farias
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Avenida Bandeirantes 3900, Ribeirão Prêto, SP, 14040-901, Brazil
| | - Malson N Lucena
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Avenida Bandeirantes 3900, Ribeirão Prêto, SP, 14040-901, Brazil
| | - Daniela P Garçon
- DPG, Campus Universitário de Iturama, Universidade Federal do Triângulo Mineiro, Iturama, Minas Gerais, 38280-000, Brazil
| | - Fernando L Mantelatto
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Prêto, SP, 14040-901, Brazil
| | - John C McNamara
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Prêto, SP, 14040-901, Brazil
- Centro de Biologia Marinha, São Sebastião, SP, 11000-600, Brazil
| | - Francisco A Leone
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Avenida Bandeirantes 3900, Ribeirão Prêto, SP, 14040-901, Brazil.
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Faria SC, Provete DB, Thurman CL, McNamara JC. Phylogenetic patterns and the adaptive evolution of osmoregulation in fiddler crabs (Brachyura, Uca). PLoS One 2017; 12:e0171870. [PMID: 28182764 PMCID: PMC5300755 DOI: 10.1371/journal.pone.0171870] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 01/26/2017] [Indexed: 11/18/2022] Open
Abstract
Salinity is the primary driver of osmoregulatory evolution in decapods, and may have influenced their diversification into different osmotic niches. In semi-terrestrial crabs, hyper-osmoregulatory ability favors sojourns into burrows and dilute media, and provides a safeguard against hemolymph dilution; hypo-osmoregulatory ability underlies emersion capability and a life more removed from water sources. However, most comparative studies have neglected the roles of the phylogenetic and environmental components of inter-specific physiological variation, hindering evaluation of phylogenetic patterns and the adaptive nature of osmoregulatory evolution. Semi-terrestrial fiddler crabs (Uca) inhabit fresh to hyper-saline waters, with species from the Americas occupying higher intertidal habitats than Indo-west Pacific species mainly found in the low intertidal zone. Here, we characterize numerous osmoregulatory traits in all ten fiddler crabs found along the Atlantic coast of Brazil, and we employ phylogenetic comparative methods using 24 species to test for: (i) similarities of osmoregulatory ability among closely related species; (ii) salinity as a driver of osmoregulatory evolution; (iii) correlation between salt uptake and secretion; and (iv) adaptive peaks in osmoregulatory ability in the high intertidal American lineages. Our findings reveal that osmoregulation in Uca exhibits strong phylogenetic patterns in salt uptake traits. Salinity does not correlate with hyper/hypo-regulatory abilities, but drives hemolymph osmolality at ambient salinities. Osmoregulatory traits have evolved towards three adaptive peaks, revealing a significant contribution of hyper/hypo-regulatory ability in the American clades. Thus, during the evolutionary history of fiddler crabs, salinity has driven some of the osmoregulatory transformations that underpin habitat diversification, although others are apparently constrained phylogenetically.
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Affiliation(s)
- Samuel Coelho Faria
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto SP, Brazil
| | - Diogo Borges Provete
- Departamento de Ciências Ambientais, Universidade Federal de São Carlos, Sorocaba SP, Brazil
- Gothenburg Global Biodiversity Centre, Göteborg, Sweden
| | - Carl Leo Thurman
- Department of Biology, University of Northern Iowa, Cedar Falls IA, United States of America
| | - John Campbell McNamara
- Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto SP, Brazil
- Centro de Biologia Marinha, Universidade de São Paulo, São Sebastião SP, Brazil
- * E-mail:
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Rahi ML, Amin S, Mather PB, Hurwood DA. Candidate genes that have facilitated freshwater adaptation by palaemonid prawns in the genus Macrobrachium: identification and expression validation in a model species ( M. koombooloomba). PeerJ 2017; 5:e2977. [PMID: 28194319 PMCID: PMC5301973 DOI: 10.7717/peerj.2977] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 01/10/2017] [Indexed: 11/20/2022] Open
Abstract
Background The endemic Australian freshwater prawn, Macrobrachium koombooloomba, provides a model for exploring genes involved with freshwater adaptation because it is one of the relatively few Macrobrachium species that can complete its entire life cycle in freshwater. Methods The present study was conducted to identify potential candidate genes that are likely to contribute to effective freshwater adaptation by M. koombooloomba using a transcriptomics approach. De novo assembly of 75 bp paired end 227,564,643 high quality Illumina raw reads from 6 different cDNA libraries revealed 125,917 contigs of variable lengths (200–18,050 bp) with an N50 value of 1597. Results In total, 31,272 (24.83%) of the assembled contigs received significant blast hits, of which 27,686 and 22,560 contigs were mapped and functionally annotated, respectively. CEGMA (Core Eukaryotic Genes Mapping Approach) based transcriptome quality assessment revealed 96.37% completeness. We identified 43 different potential genes that are likely to be involved with freshwater adaptation in M. koombooloomba. Identified candidate genes included: 25 genes for osmoregulation, five for cell volume regulation, seven for stress tolerance, three for body fluid (haemolymph) maintenance, eight for epithelial permeability and water channel regulation, nine for egg size control and three for larval development. RSEM (RNA-Seq Expectation Maximization) based abundance estimation revealed that 6,253, 5,753 and 3,795 transcripts were expressed (at TPM value ≥10) in post larvae, juveniles and adults, respectively. Differential gene expression (DGE) analysis showed that 15 genes were expressed differentially in different individuals but these genes apparently were not involved with freshwater adaptation but rather were involved in growth, development and reproductive maturation. Discussion The genomic resources developed here will be useful for better understanding the molecular basis of freshwater adaptation in Macrobrachium prawns and other crustaceans more broadly.
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Affiliation(s)
- Md Lifat Rahi
- Science and Engineering Faculty, School of Earth Environment and Biological Sciences, Queensland University of Technology (QUT) , Brisbane , Queensland , Australia
| | - Shorash Amin
- Science and Engineering Faculty, School of Biomedical Sciences, Queensland University of Technology , Brisbane , Queensland , Australia
| | - Peter B Mather
- Science and Engineering Faculty, School of Earth Environment and Biological Sciences, Queensland University of Technology (QUT) , Brisbane , Queensland , Australia
| | - David A Hurwood
- Science and Engineering Faculty, School of Earth Environment and Biological Sciences, Queensland University of Technology (QUT) , Brisbane , Queensland , Australia
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Ituarte RB, Lignot JH, Charmantier G, Spivak E, Lorin-Nebel C. Immunolocalization and expression of Na(+)/K(+) -ATPase in embryos, early larval stages and adults of the freshwater shrimp Palaemonetes argentinus (Decapoda, Caridea, Palaemonidae). Cell Tissue Res 2016; 364:527-541. [PMID: 26796205 DOI: 10.1007/s00441-015-2351-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 12/15/2015] [Indexed: 11/29/2022]
Abstract
The euryhaline shrimp Palaemonetes argentinus exemplifies an evolutionary transition from brackish to freshwater habitats that requires adequate osmoregulatory capacities. Hyperosmoregulation is functional at hatching and it likely begins during the embryonic phase allowing this species to develop entirely in fresh water. Here, we investigated the Na(+)/K(+)-ATPase α-subunit gene (nka-α) expression using quantitative real-time PCR and localized Na(+)/K(+)-ATPase (NKA) in ion-transporting epithelia through immunofluorescence microscopy. We reared shrimps from spawning to juvenile stages at two salinities (1, 15 ‰) and maintained adults for 3 weeks at three salinity treatments (1, 15, 25 ‰). nka-α gene expression was measured in: (1) embryos at an early (SI), intermediate (SII) and late (SIII) stage of embryonic development; (2) newly hatched larvae (Zoea I, ZI); and (3) isolated gill tissue of adults. The nka-α expression was low in SI and SII embryos and reached maximum levels prior to hatching (SIII), which were similar to expression levels detected in the ZI. The nka-α expression in SIII and ZI was highest at 15 ‰, whereas salinity did not affect expression in earlier embryos. In SIII, in ZI and in a later zoeal stage ZIV, NKA was localized in epithelial cells of pleurae, in the inner-side epithelium of branchiostegite and in the antennal glands. Gills appeared in the ZIV but NKA immunolabeling of the cells of the gill shaft occurred in a subsequent developmental larval stage, the decapodid. Extrabranchial organs constitute the main site of osmoregulation in early ontogenetic stages of this freshwater shrimp.
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Affiliation(s)
- Romina Belén Ituarte
- Grupo Zoología Invertebrados, Instituto de Investigaciones Marinas y Costeras, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, Dean Funes 3250, 7600, Mar del Plata, Argentina.
| | - Jehan-Hervé Lignot
- Groupe Fonctionnel Adaptation Ecophysiologique et Ontogenèse, UMR 9190 MARBEC, UM-CNRS-IRD-Ifremer, Université Montpellier, cc 092, Place E. Bataillon, 34095, Montpellier cedex 05, France
| | - Guy Charmantier
- Groupe Fonctionnel Adaptation Ecophysiologique et Ontogenèse, UMR 9190 MARBEC, UM-CNRS-IRD-Ifremer, Université Montpellier, cc 092, Place E. Bataillon, 34095, Montpellier cedex 05, France
| | - Eduardo Spivak
- Grupo Zoología Invertebrados, Instituto de Investigaciones Marinas y Costeras, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Mar del Plata, Dean Funes 3250, 7600, Mar del Plata, Argentina
| | - Catherine Lorin-Nebel
- Groupe Fonctionnel Adaptation Ecophysiologique et Ontogenèse, UMR 9190 MARBEC, UM-CNRS-IRD-Ifremer, Université Montpellier, cc 092, Place E. Bataillon, 34095, Montpellier cedex 05, France
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Leone FA, Garçon DP, Lucena MN, Faleiros RO, Azevedo SV, Pinto MR, McNamara JC. Gill-specific (Na+, K+)-ATPase activity and α-subunit mRNA expression during low-salinity acclimation of the ornate blue crab Callinectes ornatus (Decapoda, Brachyura). Comp Biochem Physiol B Biochem Mol Biol 2015; 186:59-67. [DOI: 10.1016/j.cbpb.2015.04.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 04/16/2015] [Accepted: 04/21/2015] [Indexed: 12/27/2022]
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