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Koiwai K, Koyama T, Tsuda S, Toyoda A, Kikuchi K, Suzuki H, Kawano R. Single-cell RNA-seq analysis reveals penaeid shrimp hemocyte subpopulations and cell differentiation process. eLife 2021; 10:e66954. [PMID: 34132195 PMCID: PMC8266392 DOI: 10.7554/elife.66954] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 06/15/2021] [Indexed: 01/03/2023] Open
Abstract
Crustacean aquaculture is expected to be a major source of fishery commodities in the near future. Hemocytes are key players of the immune system in shrimps; however, their classification, maturation, and differentiation are still under debate. To date, only discrete and inconsistent information on the classification of shrimp hemocytes has been reported, showing that the morphological characteristics are not sufficient to resolve their actual roles. Our present study using single-cell RNA sequencing revealed six types of hemocytes of Marsupenaeus japonicus based on their transcriptional profiles. We identified markers of each subpopulation and predicted the differentiation pathways involved in their maturation. We also predicted cell growth factors that might play crucial roles in hemocyte differentiation. Different immune roles among these subpopulations were suggested from the analysis of differentially expressed immune-related genes. These results provide a unified classification of shrimp hemocytes, which improves the understanding of its immune system.
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Affiliation(s)
- Keiichiro Koiwai
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and TechnologyKoganeiJapan
- Laboratory of Genome Science, Tokyo University of Marine Science and TechnologyMinatoJapan
| | - Takashi Koyama
- Fisheries Laboratory, Graduate School of Agricultural and Life Sciences, The University of TokyoHamamatsuJapan
- Graduate School of Fisheries and Environmental Sciences, Nagasaki UniversityNagasakiJapan
| | | | - Atsushi Toyoda
- Advanced Genomics Center, National Institute of GeneticsMishimaJapan
| | - Kiyoshi Kikuchi
- Fisheries Laboratory, Graduate School of Agricultural and Life Sciences, The University of TokyoHamamatsuJapan
| | - Hiroaki Suzuki
- Department of Precision Mechanics, Faculty of Science and Engineering, Chuo UniversityBunkyoJapan
| | - Ryuji Kawano
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and TechnologyKoganeiJapan
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Ruan Y, Wong NK, Zhang X, Zhu C, Wu X, Ren C, Luo P, Jiang X, Ji J, Wu X, Hu C, Chen T. Vitellogenin Receptor (VgR) Mediates Oocyte Maturation and Ovarian Development in the Pacific White Shrimp ( Litopenaeus vannamei). Front Physiol 2020; 11:485. [PMID: 32499719 PMCID: PMC7243368 DOI: 10.3389/fphys.2020.00485] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 04/20/2020] [Indexed: 11/13/2022] Open
Abstract
Oocyte maturation and ovarian development are sequentially coordinated events critical to reproduction. In the ovaries of adult oviparous animals such as birds, bony fish, insects, and crustaceans, vitellogenin receptor (VgR) is a plasma membrane receptor that specifically mediates vitellogenin (Vg) transport into oocytes. Accumulation of Vg drives sexual maturation of the female crustaceans by acting as a pivotal regulator of nutritional accumulation within oocytes, a process known as vitellogenesis. However, the mechanisms by which VgR mediates vitellogenesis are still not fully understood. In this study, we first identified a unique VgR (Lv-VgR) and characterized its genomic organization and protein structural domains in Litopenaeus vannamei, a predominant cultured shrimp species worldwide. This newly identified Lv-VgR phylogenetically forms a group with VgRs from other crustacean species within the arthropod cluster. Duplicated LBD/EGFD regions are found exclusively among arthropod VgRs but not in paralogs from vertebrates and nematodes. In terms of expression patterns, Lv-VgR transcripts are specifically expressed in ovaries of female shrimps, which increases progressively during ovarian development, and rapidly declines toward embryonic development. The cellular and subcellular locations were For analyzed by in situ hybridization and immunofluorescence, respectively. The Lv-VgR mRNA was found to be expressed in the oocytes of ovaries, and Lv-VgR protein was found to localize in the cell membrane of maturing oocytes while accumulation of the ligand Vg protein assumed an even cytoplasmic distribution. Silencing of VgR transcript expression by RNAi was effective for stunting ovarian development. This present study has thus provided new insights into the regulatory roles of VgR in crustacean ovarian development.
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Affiliation(s)
- Yao Ruan
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Nai-Kei Wong
- National Clinical Research Center for Infectious Diseases, Shenzhen Third People's Hospital, The Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen, China
| | - Xin Zhang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Chunhua Zhu
- College of Fisheries, Guangdong Ocean University, Zhanjiang, China
| | - Xiaofen Wu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Chunhua Ren
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,Institution of South China Sea Ecology and Environmental Engineering (ISEE), Chinese Academy of Sciences, Guangzhou, China
| | - Peng Luo
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,Institution of South China Sea Ecology and Environmental Engineering (ISEE), Chinese Academy of Sciences, Guangzhou, China
| | - Xiao Jiang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,Institution of South China Sea Ecology and Environmental Engineering (ISEE), Chinese Academy of Sciences, Guangzhou, China
| | - Jiatai Ji
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,Guangdong Haimao Investment Co., Ltd., Zhanjiang, China
| | - Xugan Wu
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
| | - Chaoqun Hu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,Institution of South China Sea Ecology and Environmental Engineering (ISEE), Chinese Academy of Sciences, Guangzhou, China
| | - Ting Chen
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB), Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,Institution of South China Sea Ecology and Environmental Engineering (ISEE), Chinese Academy of Sciences, Guangzhou, China
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3
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Galindo-Torres P, Ventura-López C, Llera-Herrera R, Ibarra AM. A natural antisense transcript of the fem-1 gene was found expressed in female gonads during the characterization, expression profile, and cellular localization of the fem-1 gene in Pacific white shrimp Penaeus vannamei. Gene 2019; 706:19-31. [PMID: 31028869 DOI: 10.1016/j.gene.2019.04.066] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 03/29/2019] [Accepted: 04/23/2019] [Indexed: 12/19/2022]
Abstract
The fem-1 gene in Caenorhabditis elegans is involved in sex differentiation; it is specifically required for all aspects of male development. In this study, the full-length cDNA of the fem-1 (Pvfem-1) gene was isolated from the Pacific whiteleg shrimp Penaeus vannamei. The Pvfem-1 transcript is 3778 nt long and encodes a putative protein (PvFEM-1) of 638 amino acids that presented eight ankyrin repeats. The translated protein showed a significant (P < 0.05) structural similitude by superposition with C. elegans FEM-1 protein. Pvfem-1 expression was evaluated by qPCR and in situ hybridization (ISH) during embryogenesis, larval development, and gonads of both genders in subadult and adult life stages. Pvfem-1 was found expressed in brain, intestine, hepatopancreas, and in the gonads of both genders in subadults and adults when quantified by RT-qPCR. A significant finding was the discovery of a natural antisense transcript (NAT) of Pvfem-1 by ISH. It was present in the oocyte nucleus of subadult female shrimp gonads but was not seen within oocytes from adult females, although it was detected in follicular cells, suggesting a possible post-transcriptional regulation of Pvfem-1 in female gonad. Conversely, in males, no NAT was observed, and Pvfem-1 was found expressed in spermatogonia of both, subadult and adult shrimps indicating a function in male sexual differentiation and gametes generation. This study represents the first step for future functional analysis that is expected to contribute to clarifying the role of Pvfem-1 in sex differentiation and determination.
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Affiliation(s)
- Pavel Galindo-Torres
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Aquaculture Genetics and Breeding Laboratory, Ave. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, 23096 La Paz, Baja California Sur, Mexico.
| | - Claudia Ventura-López
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Aquaculture Genetics and Breeding Laboratory, Ave. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, 23096 La Paz, Baja California Sur, Mexico
| | - Raúl Llera-Herrera
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Aquaculture Genetics and Breeding Laboratory, Ave. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, 23096 La Paz, Baja California Sur, Mexico
| | - Ana M Ibarra
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Aquaculture Genetics and Breeding Laboratory, Ave. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, 23096 La Paz, Baja California Sur, Mexico.
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Herran B, Cerveau N, Houdelet C, Bernier C, Debenest C, Delaunay C, Raimond M, Bertaux J, Grève P. IGFBP-rP1, a strongly conserved member of the androgenic hormone signalling pathway in Isopoda. Gen Comp Endocrinol 2019; 272:9-19. [PMID: 30448382 DOI: 10.1016/j.ygcen.2018.11.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 09/11/2018] [Accepted: 11/12/2018] [Indexed: 12/15/2022]
Abstract
The first protein which has been described to interact with the malacostracan Androgenic Gland Hormone (AGH) is a binding protein called IGFBP-rP1. It has been identified and studied in several species of decapods, in which its interaction with the masculinizing hormone and its expression patterns have been established in several ways. However, this protein remains uncharacterised to date in the other malacostracan orders, like Amphipoda and Isopoda, although they were historically the first ones in which the androgenic gland and the corresponding hormone were respectively described. In this article, we identified the IGFBP-rP1 of isopods and established its implication in the pathway of the AGH with a silencing approach in the model species Armadillidium vulgare. We also showed that this gene is expressed in all the tissues of males and females, with a similar pattern in animals infected with Wolbachia, a feminizing endosymbiont of several isopod species. The expression pattern did not differ during the development of uninfected and infected animals either. We finally studied the evolution of the IGFBP-rP1 in 68 isopod species, looking for conserved motifs and evidence of natural selection. Altogether, our results showed that this gene is constitutively expressed and strongly conserved in isopods, in which it likely constitutes a key element of the insulin/IGF signalling pathway. However, we also illustrated that IGFBP-rP1 is not sufficient on its own to explain the different developmental paths taken by the males and the females or feminized genetic males.
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Affiliation(s)
- Benjamin Herran
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France
| | - Nicolas Cerveau
- Georg-August-Universität Göttingen, Department of Geobiology, Göttingen, Germany
| | - Camille Houdelet
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France
| | - Clémentine Bernier
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France
| | - Catherine Debenest
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France
| | - Carine Delaunay
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France
| | - Maryline Raimond
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France
| | - Joanne Bertaux
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France.
| | - Pierre Grève
- Université de Poitiers, UMR CNRS 7267 Écologie et Biologie des Interactions, Poitiers, France.
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Transcriptome analysis of the brain of the Chinese mitten crab, Eriocheir sinensis, for neuropeptide abundance profiles during ovarian development. Anim Reprod Sci 2018; 201:63-70. [PMID: 30594327 DOI: 10.1016/j.anireprosci.2018.12.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/29/2018] [Accepted: 12/17/2018] [Indexed: 02/08/2023]
Abstract
Neuropeptides, important messenger molecules, regulate various physiological processes, such as growth, development, and reproduction. In the present study, cDNA libraries from brains of E. sinensis were constructed and sequenced using the Illumina technique for transcript analysis and neuropeptides discovery. There were 233,887 transcripts assembled for 194,286 unigenes. According to the annotations of NCBI non-redundant protein (NR) database, 2487 (11.31%) unigenes were annotated successfully. In total, 1273 transcripts were assigned to the "signal transduction mechanisms" category using KOG analysis. The results of KEGG indicate signal transduction and translation pathways were the dominant and enriched signal pathways. Additionally, results indicated C2H2 was the main transcription factor (TF) family. Analysis of the assembled transcripts indicated there were 22 neuropeptide transcripts, such as allatostatin, crustacean female sex hormone, crustacean hyperglycemic hormone, diuretic hormone 31, and eclosion hormone. The detection of these neuropeptides provide for a basic understanding for future study of functions in development, reproduction, and sexual maturation in crustaceans.
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López-Cuadros I, García-Gasca A, Gomez-Anduro G, Escobedo-Fregoso C, Llera-Herrera RA, Ibarra AM. Isolation of the sex-determining gene Sex-lethal (Sxl) in Penaeus (Litopenaeus) vannamei (Boone, 1931) and characterization of its embryogenic, gametogenic, and tissue-specific expression. Gene 2018; 668:33-47. [PMID: 29758296 DOI: 10.1016/j.gene.2018.05.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/03/2018] [Accepted: 05/07/2018] [Indexed: 12/11/2022]
Abstract
The Pacific white shrimp Penaeus vannamei is the most cultured shrimp species around the world. Because females grow larger than males, the culture of 'only females' is of great interest, but knowledge on sex determination and differentiation is required for producing only females. In an effort to obtain information associated with reproduction in P. vannamei, transcriptomic data from female gonads was generated, and partial sequences of a transcript were identified as Sex-lethal (Sxl). Its characterization indicated that, differently from other penaeids in which this gene has been isolated, there are six isoforms of the Sxl transcript in P. vannamei (PvanSxl 1-6). These isoforms result from alternative splicing at three splice sites (SS1, SS2, SS3). The first splice-site is unique to P. vannamei, as it has not been reported for other Arthropod species; the second splice-site (SS2) is common among crustaceans, and the third splice-site (SS3) is also unique to P. vannamei and when spliced-out, it is always together with SS2. All isoforms are expressed during embryogenesis as well as gametogenesis of both genders. The two shorter isoforms, PvanSxl-5 and PvanSxl-6, which result from the splicing of SS2 and SS3, were found mostly expressed in adult testis, but PvanSxl-6 was also expressed in oocytes during gametogenesis. During oogenesis, the second largest isoform, PvanSxl-2, which splices-out only SS1, and PvanSxl-4 that splices-out SS1 and SS2 were highly expressed. These two isoforms were also highly expressed during embryonic development. In situ hybridization allowed pinpointing more specifically the cells where the PvanSxl transcripts were expressed. During embryogenesis, hybridization was observed from the one-cell stage embryo to late gastrula. In the female gonad in previtellogenesis, hybridization occurred in the nucleus of oocytes, whereas in secondary vitellogenesis the transcript also hybridized cytoplasmic granules and cortical crypts. Finally, in situ hybridization corroborated the expression of PvanSxl also in the male gonad during spermatogenesis, mostly occurring in the cytoplasm from spermatogonia and spermatocytes.
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Affiliation(s)
- Itzia López-Cuadros
- Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR). Programa de Acuacultura, Av. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, La Paz, Baja California Sur C.P. 23096, Mexico
| | - Alejandra García-Gasca
- Centro de Investigación en Alimentación y Desarrollo A.C., (CIAD) Unidad Mazatlán, Av. Sábalo-Cerritos S/N. Col. Estero del Yugo, C.P. 82000 Mazatlán, Sinaloa, Mexico
| | - Gracia Gomez-Anduro
- Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR). Programa de Acuacultura, Av. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, La Paz, Baja California Sur C.P. 23096, Mexico
| | - Cristina Escobedo-Fregoso
- Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR). Programa de Acuacultura, Av. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, La Paz, Baja California Sur C.P. 23096, Mexico; CONACYT, Consejo Nacional de Ciencia y Tecnología, Av. Insurgentes Sur 1582, Ciudad de México 03940, Mexico
| | - Raúl A Llera-Herrera
- Centro de Investigación en Alimentación y Desarrollo A.C., (CIAD) Unidad Mazatlán, Av. Sábalo-Cerritos S/N. Col. Estero del Yugo, C.P. 82000 Mazatlán, Sinaloa, Mexico; CONACYT, Consejo Nacional de Ciencia y Tecnología, Av. Insurgentes Sur 1582, Ciudad de México 03940, Mexico
| | - Ana M Ibarra
- Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR). Programa de Acuacultura, Av. Instituto Politécnico Nacional No. 195, Col. Playa Palo de Santa Rita, La Paz, Baja California Sur C.P. 23096, Mexico.
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Chen T, Ren C, Jiang X, Zhang L, Li H, Huang W, Hu C. Mechanisms for type-II vitellogenesis-inhibiting hormone suppression of vitellogenin transcription in shrimp hepatopancreas: Crosstalk of GC/cGMP pathway with different MAPK-dependent cascades. PLoS One 2018; 13:e0194459. [PMID: 29590153 PMCID: PMC5874034 DOI: 10.1371/journal.pone.0194459] [Citation(s) in RCA: 16] [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: 11/17/2017] [Accepted: 03/02/2018] [Indexed: 01/15/2023] Open
Abstract
Vitellogenesis is the process of yolk formation via accumulating vitellin (Vn) with nutrients in the oocytes. Expression of vitellogenin (Vg), the precursor of Vn, is one of the indicators for the start of vitellogenesis. In Pacific white shrimp (Litopenaeus vannamei), the type-II vitellogenesis-inhibiting hormone (VIH-2) effectively suppresses hepatopancreatic Vg mRNA expression. In this study, we demonstrate the increasing transcript levels of hepatopancreatic Vg during L. vannamei ovarian development, suggesting that the hepatopancreas-derived Vg/Vn may also contribute to vitellogenesis in this species. Using a combination of in vivo injections and in vitro primary cell cultures, we provide evidences that the inhibition of VIH-2 on hepatopancreatic Vg gene expression is mediated through a functional coupling of the GC/cGMP pathway with different MAPK-dependent cascades in female shrimp. In VIH-2 signaling, the NO-independent GC/cGMP/PKG cascades were upstream of the MAPKs. Activations of the MAPK signal by VIH-2 include the phosphorylation of JNK and the mRNA/protein expression of P38MAPK. Additionally, the cAMP/PKA pathway is another positive intracellular signal for hepatopancreatic Vg mRNA expression but is independent of its VIH-2 regulation. Our findings establish a model for the signal transduction mechanism of Vg regulation by VIH and shed light on the biological functions and signaling of the CHH family in crustaceans.
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Affiliation(s)
- Ting Chen
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB); Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou, China
| | - Chunhua Ren
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB); Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou, China
| | - Xiao Jiang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB); Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Lvping Zhang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB); Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Hongmei Li
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB); Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- University of the Chinese Academy of Sciences, Beijing, China
| | - Wen Huang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB); Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou, China
- * E-mail: (CH); (WH)
| | - Chaoqun Hu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology (LMB); Guangdong Provincial Key Laboratory of Applied Marine Biology (LAMB), South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou, China
- * E-mail: (CH); (WH)
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