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Simões LAR, Normann RS, Chung JS, Vinagre AS. A brief and updated introduction to the neuroendocrine system of crustaceans. Mol Cell Endocrinol 2024; 590:112265. [PMID: 38697385 DOI: 10.1016/j.mce.2024.112265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/12/2024] [Accepted: 04/30/2024] [Indexed: 05/05/2024]
Abstract
The neuroendocrine system of crustaceans is complex and regulates many processes, such as development, growth, reproduction, osmoregulation, behavior, and metabolism. Once stimulated, crustaceans' neuroendocrine tissues modulate the release of monoamines, ecdysteroids, and neuropeptides that can act as hormones or neurotransmitters. Over a few decades, research has unraveled some mechanisms governing these processes, substantially contributing to understanding crustacean physiology. More aspects of crustacean neuroendocrinology are being comprehended with molecular biology, transcriptome, and genomics analyses. Hence, these studies will also significantly enhance the ability to cultivate decapods, such as crabs and shrimps, used as human food sources. In this review, current knowledge on crustacean endocrinology is updated with new findings about crustacean hormones, focusing mainly on the main neuroendocrine organs and their hormones and the effects of these molecules regulating metabolism, growth, reproduction, and color adaptation. New evidence about vertebrate-type hormones found in crustaceans is included and discussed. Finally, this review may assist in understanding how the emerging chemicals of environmental concern can potentially impair and disrupt crustacean's endocrine functions and their physiology.
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Affiliation(s)
- Leonardo Airton Ressel Simões
- Comparative Metabolism and Endocrinology Laboratory (LAMEC), Post Graduation Program in Biological Sciences, Porto Alegre, RS, Brazil; Department of Physiology, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Rafaella Sanfelice Normann
- Comparative Metabolism and Endocrinology Laboratory (LAMEC), Post Graduation Program in Biological Sciences, Porto Alegre, RS, Brazil; Department of Physiology, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - J Sook Chung
- Institute of Marine and Environmental Technology (IMET), University of Maryland Center for Environmental Sciences (UMCES), Baltimore, MD, USA
| | - Anapaula Sommer Vinagre
- Comparative Metabolism and Endocrinology Laboratory (LAMEC), Post Graduation Program in Biological Sciences, Porto Alegre, RS, Brazil; Department of Physiology, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
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Green S, Bachvaroff T, Sook Chung J. Eyestalk neuropeptide identification in the female red deep-sea crab, Chaceon quinquedens. Gen Comp Endocrinol 2023; 330:114128. [PMID: 36152768 DOI: 10.1016/j.ygcen.2022.114128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 09/09/2022] [Accepted: 09/16/2022] [Indexed: 12/14/2022]
Abstract
Eyestalk-derived neuropeptides, primarily the crustacean hyperglycemic hormone (CHH) neuropeptide family, regulate vitellogenesis in decapod crustaceans. The red deep-sea crab, Chaceon quinquedens, a cold-water species inhabiting depths between 200 and 1800 m, has supported a small fishery, mainly harvesting adult males in the eastern US for over 40 years. This study aimed to understand the role of eyestalk-neuropeptides in vitellogenesis in C. quinquedens with an extended intermolt stage. Chromatography shows two CHH and one MIH peak in the sinus gland, with a CHH2 peak area four times larger than CHH1. The cDNA sequence of MIH and CHH of C. quinquedens is isolated from the eyestalk ganglia, and the qPCR assay shows MIH is significantly higher only at ovarian stages 3 than 4 and 5. However, MIH transcript and its neuropeptides do differ between stages 1 and 3. While CHH transcripts remain constant, its neuropeptide levels are higher at stages 3 than 1. Additionally, transcriptomic analysis of the de novo eyestalk ganglia assembly at ovarian stages 1 and 3 found 28 eyestalk neuropeptides. A GIH/VIH or GSH/VSH belonging to the CHH family is absent in the transcriptome. Transcripts per million (TPM) values of ten neuropeptides increase by 1.3 to 2.0-fold at stage 3 compared to stage 1: twofold for Bursicon α, followed by CHH, AKH/corazonin-like, Pyrokinin, CCAP, Glycoprotein B, PDH1, and IDLSRF-like peptide, and 1.3-fold of allatostatin A and short NP-F. WXXXRamide, the only downregulated neuropeptide, decreases TPM by ∼ 2-fold at stage 3, compared to stage 1. Interestingly, neuroparsin with the highest TPM values remains the same in stages 1 and 3. The mandibular organ-inhibiting hormone is not found in de novo assembly. We report that CHH, MIH, and eight other neuropeptides may play a role in vitellogenesis in this species.
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Affiliation(s)
- Shadaesha Green
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, 701 E. Pratt Street, Baltimore, MD 21202, USA
| | - Tsvetan Bachvaroff
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, 701 E. Pratt Street, Baltimore, MD 21202, USA
| | - J Sook Chung
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, 701 E. Pratt Street, Baltimore, MD 21202, USA.
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Andersen Ø, Johnsen H, Wittmann AC, Harms L, Thesslund T, Berg RS, Siikavuopio S, Mykles DL. De novo transcriptome assemblies of red king crab (Paralithodes camtschaticus) and snow crab (Chionoecetes opilio) molting gland and eyestalk ganglia - Temperature effects on expression of molting and growth regulatory genes in adult red king crab. Comp Biochem Physiol B Biochem Mol Biol 2021; 257:110678. [PMID: 34655763 DOI: 10.1016/j.cbpb.2021.110678] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 09/16/2021] [Accepted: 10/08/2021] [Indexed: 12/12/2022]
Abstract
Red king crab (Paralithodes camtschaticus) and snow crab (Chionoecetes opilio) are deep-sea crustaceans widely distributed in the North Pacific and Northwest Atlantic Oceans. These giant predators have invaded the Barents Sea over the past decades, and climate-driven temperature changes may influence their distribution and abundance in the sub-Arctic region. Molting and growth in crustaceans are strongly affected by temperature, but the underlying molecular mechanisms are little known, particularly in cold-water species. Here, we describe multiple regulatory factors in the two high-latitude crabs by developing de novo transcriptomes from the molting gland (Y-organ or YO) and eye stalk ganglia (ESG), in addition to the hepatopancreas and claw muscle of red king crab. The Halloween genes encoding the ecdysteroidogenic enzymes were expressed in YO, and the ESG contained multiple neuropeptides, including molt-inhibiting hormone (MIH), crustacean hyperglycemic hormone (CHH), and ion-transport peptide (ITP). Both crabs expressed a diversity of growth-related factors, such as mTOR, AKT, Rheb and AMPKα, and stress-responsive factors, including multiple heat shock proteins (HSPs). Temperature effects on the expression of key regulatory genes were quantified by qPCR in adult red king crab males kept at 4 °C or 10 °C for two weeks during intermolt. The Halloween genes tended to be upregulated in YO at high temperature, while the ecdysteroid receptor and several growth regulators showed tissue-specific responses to elevated temperature. Constitutive and heat-inducible HSPs were expressed in an inverse temperature-dependent manner, suggesting that adult red king crabs can acclimate to increased water temperatures.
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Affiliation(s)
- Øivind Andersen
- Nofima, Tromsø NO-9291, Norway; Department of Animal and Aquacultural Sciences (IHA), Faculty of Life Sciences (BIOVIT), Norwegian University of Life Sciences (NMBU), PO Box 5003, 1433 Ås, Norway.
| | - Hanne Johnsen
- Nofima, Tromsø NO-9291, Norway; Norwegian Polar Institute, 9296 Tromsø, Norway
| | - Astrid C Wittmann
- MARUM - Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany; Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, 27570 Bremerhaven, Germany
| | - Lars Harms
- Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, 27570 Bremerhaven, Germany
| | | | | | | | - Donald L Mykles
- Department of Biology, Colorado State University, Fort Collins, CO 80523, USA; Bodega Marine Laboratory, University of California, Davis, Bodega Bay, CA 94923, USA
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Huang X, Green S, Sook Chung J. The presence of an insulin-like peptide-binding protein (ILPBP) in the ovary and its involvement in the ovarian development of the red deep-sea crab, Chaceon quinquedens. Gen Comp Endocrinol 2021; 301:113653. [PMID: 33122036 DOI: 10.1016/j.ygcen.2020.113653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/06/2020] [Accepted: 10/22/2020] [Indexed: 11/30/2022]
Abstract
Invertebrate insulin-like peptide-binding proteins (ILPBPs) are structurally homologous to vertebrate insulin-like growth factor binding protein 7 (IGFBP7). One of the invertebrate ILPBPs is considered as a potential binding protein of insulin-like androgenic gland factor (IAG) in males of crayfish, Cherax quadricarinatus. However, the ILPBP expression is not limited in the androgenic gland and found in most examined tissues, implicating that ILPBP may have additional functions in crustaceans. Here, the full-length cDNA sequence of ILPBP (termed ChqILPBP) is isolated from the ovary of the red deep-sea crab, Chaceon quinquedens. ChqILPBP transcripts are present in the various tissues, as similar to other crab species. The crustacean ILPBPs have their putative amino acid sequences conserved much less than vertebrate IGFBP7s. To understand if ChqILPBP is involved in ovarian development, examined are levels of ChqILPBP, together with vitellogenin (ChqVTG) in the same ovary and hepatopancreas of adult females at the different ovarian stages: 2, 3, and 5. Chaceon hepatopancreas exhibits as the primary VTG synthesis site, while VTG transcript levels do not differ by the ovarian stages. The ovary contains ChqILPBP transcripts ~10-fold higher than hepatopancreas that changes significantly from stage 2 to 3. Such an expression pattern mirrors that of ovarian ChqVTG. In hepatopancreas, ChqILPBP transcripts are similar at stages 2 and 3 and increase significantly at stage 5. The data indicate that ovarian ILPBP may function differently from that of the hepatopancreas and may play a role in ovarian development. ChqAK transcripts are ~six folds higher in the ovary than the hepatopancreas. While they do not differ by ovarian stages, suggesting that AK may not be involved in vitellogenesis of the cold water crustacean species.
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Affiliation(s)
- X Huang
- Institute of Marine and Environmental TechnologyUniversity of Maryland Center for Environmental Science, 701 E. Pratt Street Columbus Center, Baltimore, MD 21202, USA
| | - S Green
- Institute of Marine and Environmental TechnologyUniversity of Maryland Center for Environmental Science, 701 E. Pratt Street Columbus Center, Baltimore, MD 21202, USA
| | - J Sook Chung
- Institute of Marine and Environmental TechnologyUniversity of Maryland Center for Environmental Science, 701 E. Pratt Street Columbus Center, Baltimore, MD 21202, USA.
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Vinagre AS, Model JFA, Vogt ÉL, Manara LM, Trapp M, Da Silva RSM, Chung JS. Diet composition and long-term starvation do not affect crustacean hyperglycemic hormone (CHH) transcription in the burrowing crab Neohelice granulata (Dana, 1851). Comp Biochem Physiol A Mol Integr Physiol 2020; 247:110738. [DOI: 10.1016/j.cbpa.2020.110738] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 12/16/2022]
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Christie AE. Assessment of midgut enteroendocrine peptide complement in the honey bee, Apis mellifera. Insect Biochem Mol Biol 2020; 116:103257. [PMID: 31678581 DOI: 10.1016/j.ibmb.2019.103257] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 10/10/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
Peptides modulate physiological/behavioral control systems in all animals. In arthropods, midgut epithelial endocrine cells are one of the largest sources of these signaling agents. At present, little is known about the identity of the peptides that form arthropod midgut enteroendocrine peptidomes. While many techniques can be used for peptide structural identification, in silico transcriptome mining is one that has been used extensively for arthropod neuropeptidome prediction; this strategy has yet to be used for large-scale arthropod enteroendocrine peptide discovery. Here, a tissue-specific transcriptome was used to assess putative enteroendocrine peptide complement in the honey bee, Apis mellifera, midgut. Searches for transcripts encoding members of 42 peptide families were conducted, with evidence of expression for 15 groups found in the assembly: adipokinetic hormone, allatostatin A, allatostatin C, bursicon, CCHamide, CNMamide, diuretic hormone 31, diuretic hormone 44, insulin-like peptide, myosuppressin, neuropeptide F, pigment dispersing hormone, pyrokinin, short neuropeptide F, and tachykinin-related peptide. The proteins deduced from the midgut transcripts are identical in sequence, or nearly so, to those of Apis pre/preprohormones deposited previously into NCBI, providing increased confidence in the accuracy of the reported data. Seventy-five peptides were predicted from the deduced precursor proteins, 26 being members of known peptide families. Comparisons to previously published mass spectrometric data support the existence of many of the predicted Apis peptides. This study is the first prediction of an arthropod midgut peptidome using transcriptomics, and provides a powerful new resource for investigating enteroendocrine peptide signaling within/from the Apis midgut, a species of significant ecological/economic importance.
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Affiliation(s)
- Andrew E Christie
- Békésy Laboratory of Neurobiology, Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, 1993 East-West Road, Honolulu, HI, 96822, USA.
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Lawrence A, Green S, Chung JS. Isolation and Tissue Distribution of an Insulin-Like Androgenic Gland Hormone (IAG) of the Male Red Deep-Sea Crab, Chaceon quinquedens. Mar Drugs 2017; 15:E241. [PMID: 28763037 DOI: 10.3390/md15080241] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 07/27/2017] [Accepted: 07/29/2017] [Indexed: 12/01/2022] Open
Abstract
The insulin-like androgenic gland hormone (IAG) found in decapod crustaceans is known to regulate sexual development in males. IAG is produced in the male-specific endocrine tissue, the androgenic gland (AG); however, IAG expression has been also observed in other tissues of decapod crustacean species including Callinectes sapidus and Scylla paramamosain. This study aimed to isolate the full-length cDNA sequence of IAG from the AG of male red deep-sea crabs, Chaceon quinquedens (ChqIAG), and to examine its tissue distribution. To this end, we employed polymerase chain reaction cloning with degenerate primers and 5′ and 3′ rapid amplification of cDNA ends (RACE). The full-length ChqIAG cDNA sequence (1555 nt) includes a 366 nt 5′ untranslated region a 453 nt open reading frame encoding 151 amino acids, and a relatively long 3′ UTR of 733 nt. The ORF consists of a 19 aa signal peptide, 32 aa B chain, 56 aa C chain, and 44 aa A chain. The putative ChqIAG amino acid sequence is most similar to those found in other crab species, including C. sapidus and S. paramamosain, which are clustered together phylogenetically.
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Huang X, Ye H, Chung JS. The presence of an insulin-like androgenic gland factor (IAG) and insulin-like peptide binding protein (ILPBP) in the ovary of the blue crab, Callinectes sapidus and their roles in ovarian development. Gen Comp Endocrinol 2017; 249:64-70. [PMID: 28479084 DOI: 10.1016/j.ygcen.2017.05.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 04/04/2017] [Accepted: 05/02/2017] [Indexed: 12/20/2022]
Abstract
Insulin-like androgenic gland factor (IAG) that is produced by the male androgenic gland (AG), plays a role in sexual differentiation and maintenance of male secondary sex characteristics in decapod crustaceans. With an earlier finding of IAG expression in a female Callinectes sapidus ovary, we aimed to examine a putative role of IAG during the ovarian development of this species. To this end, the full-length cDNA sequence of the ovarian CasIAG (termed CasIAG-ova) has been isolated. The predicted mature peptide sequence of CasIAG-ova is identical to that of the IAG from the AG, except in their signal peptide regions. The CasIAG-ova contains an alternative initiation codon (UUG) as the start codon, which suggests that the translational regulation of CasIAG-ova may differ from that of the IAG from AG. To define the function of CasIAG-ova, the expressions of CasIAG-ova as well as its putative binding protein, insulin-like peptide binding protein (ILPBP), are measured in the ovaries at various developmental stages obtained from different seasons. Season affects both CasIAG and ILPBP expression in the ovary. Overall, summer females at earlier ovarian stages contain high levels of CasIAG and ILPBP than spring or fall females. These findings indicate that CasIAG-ova and CasILPBP may be involved in the ovarian development. When comparing the levels of CasIAG and CasILPBP in the ovary, the latter are much higher (∼10-10000 fold) than the former. Expression patterns of CasILPBP differ from those of CasIAG-ova during ovarian development and by season, suggesting that ILPBP may have an additional role in ovarian development rather than a function of a putative binding protein of IAG.
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Affiliation(s)
- Xiaoshuai Huang
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Columbus Center, 701 E. Pratt Street, Baltimore, MD 21202, USA; College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Haihui Ye
- College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - J Sook Chung
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Columbus Center, 701 E. Pratt Street, Baltimore, MD 21202, USA.
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Meng XL, Liu P, Jia FL, Li J, Gao BQ. De novo Transcriptome Analysis of Portunus trituberculatus Ovary and Testis by RNA-Seq: Identification of Genes Involved in Gonadal Development. PLoS One 2015; 10:e0128659. [PMID: 26042806 PMCID: PMC4456094 DOI: 10.1371/journal.pone.0128659] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 04/29/2015] [Indexed: 11/21/2022] Open
Abstract
The swimming crab Portunus trituberculatus is a commercially important crab species in East Asia countries. Gonadal development is a physiological process of great significance to the reproduction as well as commercial seed production for P. trituberculatus. However, little is currently known about the molecular mechanisms governing the developmental processes of gonads in this species. To open avenues of molecular research on P. trituberculatus gonadal development, Illumina paired-end sequencing technology was employed to develop deep-coverage transcriptome sequencing data for its gonads. Illumina sequencing generated 58,429,148 and 70,474,978 high-quality reads from the ovary and testis cDNA library, respectively. All these reads were assembled into 54,960 unigenes with an average sequence length of 879 bp, of which 12,340 unigenes (22.45% of the total) matched sequences in GenBank non-redundant database. Based on our transcriptome analysis as well as published literature, a number of candidate genes potentially involved in the regulation of gonadal development of P. trituberculatus were identified, such as FAOMeT, mPRγ, PGMRC1, PGDS, PGER4, 3β-HSD and 17β-HSDs. Differential expression analysis generated 5,919 differentially expressed genes between ovary and testis, among which many genes related to gametogenesis and several genes previously reported to be critical in differentiation and development of gonads were found, including Foxl2, Wnt4, Fst, Fem-1 and Sox9. Furthermore, 28,534 SSRs and 111,646 high-quality SNPs were identified in this transcriptome dataset. This work represents the first transcriptome analysis of P. trituberculatus gonads using the next generation sequencing technology and provides a valuable dataset for understanding molecular mechanisms controlling development of gonads and facilitating future investigation of reproductive biology in this species. The molecular markers obtained in this study will provide a fundamental basis for population genetics and functional genomics in P. trituberculatus and other closely related species.
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Affiliation(s)
- Xian-liang Meng
- Key Laboratory of Sustainable Development of Marine Fisheries, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, People’s Republic of China
- * E-mail: (XM); (PL)
| | - Ping Liu
- Key Laboratory of Sustainable Development of Marine Fisheries, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, People’s Republic of China
- * E-mail: (XM); (PL)
| | - Fu-long Jia
- Key Laboratory of Sustainable Development of Marine Fisheries, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, People’s Republic of China
| | - Jian Li
- Key Laboratory of Sustainable Development of Marine Fisheries, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, People’s Republic of China
| | - Bao-Quan Gao
- Key Laboratory of Sustainable Development of Marine Fisheries, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong, People’s Republic of China
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