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Watanabe TT, López-Greco LS, Zara FJ. Seminal fluid and spermatophore production in a western Atlantic invasive swimming crab, Charybdis hellerii, reveals a different pattern to Portunoidea. ARTHROPOD STRUCTURE & DEVELOPMENT 2022; 66:101137. [PMID: 35104713 DOI: 10.1016/j.asd.2021.101137] [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: 06/14/2021] [Revised: 11/15/2021] [Accepted: 12/15/2021] [Indexed: 06/14/2023]
Abstract
The male reproductive system in Portunoidea is voluminous in order to produce the sperm plug, avoiding sperm competition. The portunid crab, Charybdis hellerii, is a successful invasive species, and this study describes the male reproductive system under light and electron microscopy and evaluates the gonadosomatic index and spermatophore dehiscence compared to other species that produce a sperm plug. The reproductive system is small, and its gonadosomatic index much lower than those of other Portunoidea that produce a sperm plug. The spermatophores are stored in the anterior part of the vas deferens, which is uncommon in Brachyura. Lateral outpocketings are found in the short, middle, and posterior parts of the vasa deferentia, where spermatophores are not found. The seminal fluid composition is different from the species that produce sperm plug. The usual portunid spermatophore wall is absent and the round coenospermic to even cleistospermic spermatophores are enclosed by secretions. This mucous-type spermatophore undergoes dehiscence in seawater or when passing through the gonopod. C. hellerii differ from other Portunoidea described regarding a low amount of seminal fluid production, spermatophore storage, and not show traits of producing sperm plugs. These different male reproductive features can lead to different female sperm storage in Portunoidea.
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Affiliation(s)
- Timóteo T Watanabe
- Invertebrate Morphology Laboratory (IML), Department of Biology, Agricultural and Veterinary School of Jaboticabal and Aquaculture Center of UNESP (CAUNESP), São Paulo State University (UNESP), Via de Acesso Prof. Paulo Donato Castellane, S/N, Jaboticabal, São Paulo 14881-900, Brazil; Postgraduate Course in Biological Sciences (Zoology)/ Biodiversity, Evolution and Ecology (BioEvoEco), São Paulo State University (UNESP), Biosciences Institute of Rio Claro, Rio Claro, São Paulo 13506-900, Brazil
| | - Laura S López-Greco
- Universidad de Buenos Aires. CONICET. Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA) -Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Biología de La Reproducción, Crecimiento y Nutrición de Crustáceos Decápodos, Buenos Aires, Argentina
| | - Fernando J Zara
- Invertebrate Morphology Laboratory (IML), Department of Biology, Agricultural and Veterinary School of Jaboticabal and Aquaculture Center of UNESP (CAUNESP), São Paulo State University (UNESP), Via de Acesso Prof. Paulo Donato Castellane, S/N, Jaboticabal, São Paulo 14881-900, Brazil; Postgraduate Course in Biological Sciences (Zoology)/ Biodiversity, Evolution and Ecology (BioEvoEco), São Paulo State University (UNESP), Biosciences Institute of Rio Claro, Rio Claro, São Paulo 13506-900, Brazil.
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2
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de Oliveira LJF, Tudge C, Zara FJ. Comparative morphology of the spermatophores and spermatozoa of three Amazon freshwater crabs (Decapoda, Brachyura, Trichodactylidae). J NAT HIST 2021. [DOI: 10.1080/00222933.2021.1973134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Leo Jaime Filgueira de Oliveira
- Invertebrate Morphology Laboratory (IML), Biology Department, São Paulo State University (UNESP), Agricultural and Veterinary School of Jaboticabal (FCAV) and Aquaculture Center of UNESP (CAUNESP), Jaboticabal, Brazil
- Aquaculture Center of Unesp (CAUNESP), São Paulo State University (UNESP), Jaboticabal, Brazil
- Laboratório de Zoologia e Grupo de Pesquisa em Biologia e Produção de Organismos Aquáticos Amazônicos ICET, Federal University of Amazonas (UFAM), Itacoatiara, Brazil
| | - Christopher Tudge
- Biology Department, American University, Washington, DC, USA
- Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
| | - Fernando José Zara
- Invertebrate Morphology Laboratory (IML), Biology Department, São Paulo State University (UNESP), Agricultural and Veterinary School of Jaboticabal (FCAV) and Aquaculture Center of UNESP (CAUNESP), Jaboticabal, Brazil
- Aquaculture Center of Unesp (CAUNESP), São Paulo State University (UNESP), Jaboticabal, Brazil
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3
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Yao C, Wan H, Zhang Z, Lin J, Wang Y. Genome-wide identification and expression profile of the sox gene family in different tissues and during embryogenesis in the Pacific white shrimp (Litopenaeus vannamei). Gene 2020; 763:144956. [DOI: 10.1016/j.gene.2020.144956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/22/2020] [Accepted: 07/13/2020] [Indexed: 02/06/2023]
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4
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Watanabe TT, Nascimento FA, Mantelatto FL, Zara FJ. Ultrastructure and histochemistry of the male reproductive system of the genus Callinectes Stimpson, 1860 (Brachyura: Portunidae). J Morphol 2020; 281:1660-1678. [PMID: 33037843 DOI: 10.1002/jmor.21277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 09/15/2020] [Accepted: 09/23/2020] [Indexed: 11/09/2022]
Abstract
We described the ultrastructure and histochemistry of the reproductive system of five Callinectes species, and evaluate the seasonal variation in weight of the reproductive system and hepatopancreas by comparing annual changes of somatic indices. The somatic indices changed little throughout the year. In Callinectes, spermatogenesis occurs inside the lobular testes and, within each lobule, the cells are at the same developmental stage. Spermatogenesis and spermiogenesis follow the same development pattern in all Callinectes studied. Mature spermatozoa are released into the seminiferous ducts through the collecting ducts. Cells of the vas deferens are secretory as evidenced by rough endoplasmic reticulum, Golgi complex, and secretory vesicles that produce the seminal fluid. The anterior vas deferens shows two portions: proximal and distal. In proximal portion (AVDp), spermatozoa are clustered and embedded in an electron-dense, basophilic glycoproteinaceous secretion Type I. In the distal portion (AVDd), the spermatophore wall is formed by incorporation of a less electron-dense glycoproteinaceous secretion Type II. The secretion Type I change to an acid polysaccharide-rich matrix that separates the spermatophores from each other. The median vas deferens (MVD) stores the spermatophores and produces the granular glycoproteinaceous seminal fluid. The posterior vas deferens (PVD) has few spermatophores. Its epithelium has many mitochondria and the PVD seminal fluid changes into a liquid and homogeneous glycoprotein. Many outpocketings in the PVD and MVD help to increase the fluid production. Overall, the reproductive pattern of Callinectes is similar to other species that produce sperm plugs. The secretions of AVD, MVD, and PVD are responsible for the polymerization that forms the solid, waxy plug in the seminal receptacle. The traits identified here are common to all Portunidae species studied so far.
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Affiliation(s)
- Timoteo T Watanabe
- Invertebrate Morphology Laboratory (IML), Department of Applied Biology, Agricultural and Veterinary School of Jaboticabal and Aquaculture Center (CAUNESP), São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil.,Postgraduate Course in Biological Sciences (Zoology), São Paulo State University (UNESP) Biosciences Institute of Rio Claro, Rio Claro, São Paulo, Brazil
| | - Fabiana A Nascimento
- Invertebrate Morphology Laboratory (IML), Department of Applied Biology, Agricultural and Veterinary School of Jaboticabal and Aquaculture Center (CAUNESP), São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Fernando L Mantelatto
- Laboratory of Bioecology and Crustacean Systematics (LBSC), Department of Biology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto (FFCLRP), University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Fernando J Zara
- Invertebrate Morphology Laboratory (IML), Department of Applied Biology, Agricultural and Veterinary School of Jaboticabal and Aquaculture Center (CAUNESP), São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil.,Postgraduate Course in Biological Sciences (Zoology), São Paulo State University (UNESP) Biosciences Institute of Rio Claro, Rio Claro, São Paulo, Brazil
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5
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Chen T, Mu S, Sun Z, Zhang H, Li C, Guo M, Li Y, Kang X, Wang Z. Spermiogenic histone transitions and chromatin decondensation in Decapoda. Theriogenology 2020; 156:242-252. [PMID: 32777658 DOI: 10.1016/j.theriogenology.2020.07.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 07/06/2020] [Accepted: 07/06/2020] [Indexed: 01/12/2023]
Abstract
Decapoda are among of the most diverse groups of Crustacea with an important economic value, and have thus been the focus of various reproductive biology studies. Although spermatozoa are morphologically diverse, decapod spermatozoa possess common features, such as being non-motile and having uncondensed nuclear chromatin. Many scholars have studied uncondensed chromatin in decapod spermatozoa; however, the role of biologically regulated decondensation in spermatozoa remains unclear. In this study, histone changes in the spermatozoa of five commercially relevant aquatic crustacean species (Eriocheir sinensis, Scylla paramamosain, Procambarus clarkii, Fenneropenaeus chinensis, and Macrobrachium nipponense) were studied via liquid chromatography-tandem mass spectrometry (LC-MS/MS) and immunofluorescence. The LC-MS/MS results confirmed that all four core histones were present in the sperm nuclei of the five Decapoda species. Positive fluorescent signals from histones H2A, H2B, H3, and H4 were detected in the spermatozoa nuclei of E. sinensis, S. paramamosain and M. nipponense via immunofluorescence. Histone H2A was first identified in the membrane sheets or cytoplasm of mature sperm in P. clarkii and F. chinensis, whereas H3 and H4 were generally distributed in the nucleus of the spermatozoa. Histone H2B gradually disappeared during spermiogenesis and was not found in the sperm of P. clarkii and F. chinensis eventually. Our data suggest that core histones are instructive and necessary for chromatin decondensation in decapods spermatozoa. Thus, our results may help resolve the complex sperm histone code and provide a reference for the study of spermatozoa evolution in Decapoda.
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Affiliation(s)
- Tingrong Chen
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Shumei Mu
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Zhe Sun
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Han Zhang
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Chao Li
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Mingsheng Guo
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Yanqin Li
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Xianjiang Kang
- College of Life Sciences, Hebei University, Baoding, 071002, China.
| | - Zhenshan Wang
- College of Life Sciences, Hebei University, Baoding, 071002, China.
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6
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Hao SL, Yang WX. KIFC1 is essential for normal spermatogenesis and its depletion results in early germ cell apoptosis in the Kuruma shrimp, Penaeus (Marsupenaeus) japonicus. Aging (Albany NY) 2019; 11:12773-12792. [PMID: 31895691 PMCID: PMC6949060 DOI: 10.18632/aging.102601] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 12/02/2019] [Indexed: 12/24/2022]
Abstract
In order to explore the dynamic mechanisms during spermatogenesis of the penaeid prawns, the full length of kifc1 was cloned from testis cDNA of Penaeus japonicus through RACE. Both semi-quantitative RT-PCR and Western blot results indicated that KIFC1 was extensive expressed in different tissue of P. japonicus. Compared with other tissue, the highest expression of KIFC1 occurred in the testis. According to the immunofluorescence results, the KIFC1 protein was detected at each stage of whole process of spermatogenesis. In the spermatogonial phase, KIFC1 mainly dispersed in cytoplasm and co-localized with microtubules, while abundant KIFC1 signal was detected in the nucleus of spermatocytes. At the early stage of spermatids, KIFC1 was transported from the nucleus into the cytoplasm, and it assisted microtubule assembly onto one side of the nucleus. Finally, in mature sperm, it was weakly expressed in the acrosome. This implies that KIFC1 may participate in the mitosis of spermatogonia, meiosis of spermatocyte, and acrosome formation during spermiogenesis; it may also play functions in acrosome maintaining in mature sperm. In addition, the results of KIFC1 knockdown by dsRNA injection in vivo reveal that decreased KIFC1 expression may induce aberrant microtubule assembly, and it leads to spermatogonia and spermatocyte apoptosis.
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Affiliation(s)
- Shuang-Li Hao
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wan-Xi Yang
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, China
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7
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Wei YL, Yang T, Kovacs T, Yang WX. C-terminal kinesin motor es-KIFC1 regulates nuclear formation during spermiogenesis in Chinese mitten crab Eriocheir sinensis. Gene 2019; 719:144074. [DOI: 10.1016/j.gene.2019.144074] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 07/21/2019] [Accepted: 08/21/2019] [Indexed: 01/19/2023]
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8
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Pardo LM, Zara FJ, Riveros MP, Paschke K, Pretterebner K, Mantelatto FL. Integrative depiction of the male reproductive system of the commercial purple crab Homalaspis plana (Platyxanthidae): Structure and function. J Morphol 2019; 280:1693-1705. [PMID: 31454103 DOI: 10.1002/jmor.21058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/06/2019] [Accepted: 08/09/2019] [Indexed: 11/07/2022]
Abstract
The information available on structures and function of reproductive systems are female-biased in many animal groups and crabs are not an exception. However, knowledge about the male reproductive system can help us to understand evolutionary and ecological processes such as the mating system and mating behavior. This study focuses on an integrative description of the principal regions of the male reproductive system of the purple crab, Homalaspis plana, a commercially exploited crab from the southeastern Pacific. For this description a combination of morphological observation, gravimetric records, histological and histochemical techniques and biochemical analysis were used. Also, a gross description of the seminal receptacle of the female was performed. The male reproductive system of H. plana was highly extended and complex, with a great capacity to produce and store spermatophores and secrete, at least, two kinds of seminal fluids. Sperm production, sperm packaging in spermatophores, storage of spermatophores and seminal liquid secretion were functions localized in specific regions. The vasosomatic index was the highest recorded to date in crabs, symptomatic of a high investment in reproduction. All these traits allow identification of H. plana as an internal sperm plug producer, which matches well with the highly extensible seminal receptacle of females. The great quantity of seminal material transferred to females during mating indicates that males may be able to mate only one time in the reproductive season and thus this species could be vulnerable to sperm depletion in males and sperm limitation in females if the fishery substantively reduced the abundance of males in the populations.
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Affiliation(s)
- Luis M Pardo
- Instituto de Ciencias Marinas y Limnológicas, Laboratorio Costero de Calfuco, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile.,Centro de Investigación de Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Valdivia, Chile
| | - Fernando J Zara
- Invertebrate Morphology Laboratoy, CAUNESP and IEAMar, Depto of Applied Biology, São Paulo State University (UNESP), School of Agricultural and Veterinary Science of Jaboticabal, São Paulo, Brazil
| | - Marcela P Riveros
- Instituto de Ciencias Marinas y Limnológicas, Laboratorio Costero de Calfuco, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile
| | - Kurt Paschke
- Centro de Investigación de Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Valdivia, Chile.,Instituto de Acuicultura, Universidad Austral de Chile, Puerto Montt, Chile
| | - Katrin Pretterebner
- Instituto de Ciencias Marinas y Limnológicas, Laboratorio Costero de Calfuco, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile.,Centro de Investigación de Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Valdivia, Chile
| | - Fernando L Mantelatto
- Laboratory of Bioecology and Crustacean Systematics (LBSC), Department of Biology, Faculty of Philosophy, Science and Letters at Ribeirão Preto (FFCLRP), University of São Paulo (USP), São Paulo, Brazil
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9
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Chen T, Sun Z, Mu S, Jiang L, Li C, Li L, Guo M, Zhang Z, Kang X. Ultrastructure of spermiogenesis and the distribution of spermatozoal nuclear histones in the Japanese mantis shrimp, Oratosquilla oratoria (Crustacea: Stomatopoda). J Morphol 2019; 280:1170-1184. [PMID: 31141207 PMCID: PMC6771690 DOI: 10.1002/jmor.21008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/11/2019] [Accepted: 05/14/2019] [Indexed: 12/30/2022]
Abstract
The Japanese mantis shrimp Oratosquilla oratoria (Stomatopoda; Crustacea) is one of the most economically important aquatic species of Pacific shrimp and it is distributed from Japan to the coast of China, the Philippines, the Malay Peninsula, and the Hawaiian Islands. Early studies described certain characteristics of spermatogenesis and the sperm ultrastructure in Stomatopoda, but the composition of sperm basic nuclear proteins (SBNPs) remains completely unknown. We studied the sperm ultrastructure of O. oratoria using transmission electron microscopy and the histone composition using immunofluorescence and immunoelectron microscopy. We found that the spherical nucleus is adjacent to the electron translucent external coat, which occurs in early spermatids. The acrosomal structure begins to form at the junction of the nucleus and the external coat. At the mid-spermatid stage, part of the chromatin appears to be more electron-dense than the external coat side. The aflagellate sperm of O. oratoria, are rounded or slightly ovoid in shape and have a consistent granular nucleus, an acrosome structure of pushpin shape and a spherical vesicular body in which faintly granular material is scattered. The acrosome consists of an acrosomal vesicle, perforatorium, and subacrosomal material. The sperm contains histones H2A, H2B, H3, H4, H3.3, H2AX, and H2AZ as well as some histone modifications, that is, H3K9me3, H3K4me2, H3S10ph, H4Kac, and H2A + H4S1ph. Histones are localized not only in the nucleus of the sperm but also in other structures outside the nucleus. The results may provide new perspectives for systematic studies of crustaceans and their sperm chromatin components. These findings extend the study of the sperm structure of Stomatopoda and provide basic data to elucidate the epigenetic mechanism of fertilization.
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Affiliation(s)
- Tingrong Chen
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Zhe Sun
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Shumei Mu
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Lingling Jiang
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Chao Li
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Lu Li
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Mingshen Guo
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Zhaohui Zhang
- Department of Reproductive Medicine, Baoding No. 1 Central Hospital, Baoding, Hebei, China
| | - Xianjiang Kang
- College of Life Sciences, Hebei University, Baoding, Hebei, China
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10
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Khornchatri K, Saetan J, Thongbuakaew T, Senarai T, Kruangkum T, Kornthong N, Tinikul Y, Sobhon P. Distribution of abalone egg-laying hormone-like peptide in the central nervous system and reproductive tract of the male mud crab, Scylla olivacea. Acta Histochem 2019; 121:143-150. [PMID: 30497687 DOI: 10.1016/j.acthis.2018.11.004] [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: 08/19/2018] [Revised: 11/08/2018] [Accepted: 11/09/2018] [Indexed: 11/17/2022]
Abstract
The mud crab, Scylla olivacea, is a high value economic marine animal in Thailand. However, collection of these crabs from natural habitat for local consumption and export has caused rapid population decline. Hence, aquaculture of this species is required and to this measure understanding of endocrine control of their reproduction must be understood. Egg laying hormone (ELH) is a neuropeptide synthesized by the bag cells (neurons) in the abdominal ganglia of Aplysia gastropods. It plays a critical role in controlling egg production and laying in gastropods, and its possible homolog (ELH-like peptide) was reported in the neural and ovarian tissues of prawns and recently in female reproductive tract of the blue swimming crab, Portunus pelagicus. In this study, we have studied the histology of the male reproductive tract in Scylla olivacea which are comprised of anterior testis, posterior testis, early proximal spermatic duct (ePSD), proximal spermatic duct (PSD), middle spermatic duct (MSD) and distal spermatic duct (DSD), by immunohistochemistry, detected an abalone ELH- immunoreactivity (aELH-ir) in epithelium of ducts in posterior testis and epithelium of all parts of spermatic duct. Furthermore, we could detect aELH-ir in neurons of cluster 9, 11, olfactory neuropil (ON) in the brain and in the small neurons located between the third and the fourth thoracic neuropils (T3-T4) and between the fourth and the fifth thoracic neuropils (T4-T5) of thoracic ganglia. Thus, the presence of aELH in male S. olivacea was designated the role of female egg laying behavior in the male mud crab.
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Affiliation(s)
- Kanjana Khornchatri
- Chulabhorn International College of Medicine, Thammasat University, Rangsit Campus, Pathumthani 12120, Thailand.
| | - Jirawat Saetan
- Department of Anatomy, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand
| | | | - Thanyaporn Senarai
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Thanapong Kruangkum
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Napamanee Kornthong
- Chulabhorn International College of Medicine, Thammasat University, Rangsit Campus, Pathumthani 12120, Thailand
| | - Yotsawan Tinikul
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Prasert Sobhon
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; Faculty of Allied Health Science, Burapha University, Chonburi 20131, Thailand
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11
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Garcia Bento MA, López Greco LS, Zara FJ. Seminal fluid production and sperm packaging in dromiid crabs (Brachyura, Podotremata). ZOOLOGY 2018; 132:17-30. [PMID: 30736926 DOI: 10.1016/j.zool.2018.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/31/2018] [Accepted: 09/03/2018] [Indexed: 11/24/2022]
Abstract
Reproductive anatomy, including sperm storage structures and sperm transfer, is an important feature used to analyze phylogenetic relationships among taxa. We describe the male reproductive anatomy, seminal fluid production and packaging of spermatozoa in the vas deferens of primitive crabs. In all species of Dromiidae, the testes were tubular type and the vas deferens is a tube with a simple epithelium. The spermatozoa are in a central mass immersed in type I secretion, forming a large spermatic cord. In Moreiradromia antillensis and Dromia erythropus the spermatic cord is surrounded by a more complex secretion layer composed by protein granules and polysaccharides that seem to be responsible to form the sperm plaque which was absent in Hypoconcha. The sperm plaque was found in all Dromiinae species, which may result from the mating and probably act as a barrier to subsequent copulations. These patterns of elongated coenospermic spermatophore found here are unique and different from the spermatophores of all true crabs and may be considered a plesiomorphic state to spermatophoric structure in Brachyura. Our results show a novel type of spermatozoa packaging and new insights into how sperm might be transferred in Podotremata.
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Affiliation(s)
- Maria Alice Garcia Bento
- Universidade Estadual Paulista (UNESP), FCAV, Laboratório de Morfologia de Invertebrados (IML), Departamento de Biologia Aplicada à Agropecuária e Centro de Aquicultura da Unesp (CAUNESP), Via de Acesso Prof. Paulo Donato Castellane, s/n, Jaboticabal, 14884-900, São Paulo, Brasil.
| | - Laura S López Greco
- Universidad de Buenos Aires, CONICET, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Biología de la Reproducción y el Crecimiento de Crustáceos Decápodos, C1428EGA, Buenos Aires, Argentina.
| | - Fernando José Zara
- Universidade Estadual Paulista (UNESP), FCAV, Laboratório de Morfologia de Invertebrados (IML), Departamento de Biologia Aplicada à Agropecuária e Centro de Aquicultura da Unesp (CAUNESP), Via de Acesso Prof. Paulo Donato Castellane, s/n, Jaboticabal, 14884-900, São Paulo, Brasil; Universidade Estadual Paulista (UNESP), IB, Avenida 24 A, 1515, Rio Claro, 13506-900, São Paulo, Brasil.
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12
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Shinozaki-Mendes RA, Lessa R. Morphology and development of the male reproductive tract in Callinectes danae
(Crustacea: Brachyura). ACTA ZOOL-STOCKHOLM 2017. [DOI: 10.1111/azo.12205] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Renata A. Shinozaki-Mendes
- Laboratório de Biologia Pesqueira (LAPEq); Unidade Acadêmica de Serra Talhada da Universidade Federal Rural de Pernambuco; Serra Talhada Brazil
| | - Rosângela Lessa
- Laboratório de Dinâmica de Populações Marinhas (DIMAR); Universidade Federal Rural de Pernambuco; Recife Brazil
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13
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Senarai T, Vanichviriyakit R, Miyata S, Sato C, Sretarugsa P, Weerachatyanukul W, Kitajima K. Alpha-2 macroglobulin as a region-specific secretory protein in male reproductive tract, and its dynamics during sperm transit toward the female spermatheca in the blue crab. Mol Reprod Dev 2017; 84:585-595. [DOI: 10.1002/mrd.22817] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Accepted: 04/12/2017] [Indexed: 01/03/2023]
Affiliation(s)
- Thanyaporn Senarai
- Faculty of Science, Department of Anatomy; Mahidol University; Bangkok Thailand
| | - Rapeepun Vanichviriyakit
- Faculty of Science, Department of Anatomy; Mahidol University; Bangkok Thailand
- Center of Excellence for Shrimp Molecular Biology Biotechnology, Faculty of Science; Mahidol University; Bangkok Thailand
| | - Shinji Miyata
- Graduate School of Bioagricultural Sciences and Bioscience and Biotechnology Center; Nagoya University; Nagoya Japan
| | - Chihiro Sato
- Graduate School of Bioagricultural Sciences and Bioscience and Biotechnology Center; Nagoya University; Nagoya Japan
| | - Prapee Sretarugsa
- Faculty of Science, Department of Anatomy; Mahidol University; Bangkok Thailand
| | | | - Ken Kitajima
- Graduate School of Bioagricultural Sciences and Bioscience and Biotechnology Center; Nagoya University; Nagoya Japan
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14
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Feng T, Paterson B, Johnston SD. New insights into the spermatogenesis of the black tiger prawn, Penaeus monodon. J Morphol 2017; 278:689-703. [PMID: 28164360 DOI: 10.1002/jmor.20664] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 01/05/2017] [Accepted: 01/15/2017] [Indexed: 02/05/2023]
Abstract
This study reports a comprehensive description of penaeid spermatogenesis (Penaeus monodon) by light and transmission electron microscopy. A conspicuous characteristic of spermatocytogenesis was a ring-like structure with high electron-density adjacent to the nucleus of a primary spermatocyte. During the spermiogenesis from stage I (StI) to stage VI spermatid (StVI), the formation of the acrosome and decondensation of the nucleus were the most notable morphological transformations. StIs were small and compact and they were contained in the syncytia. In the cytoplasm of StII, mitochondrion-like bodies (MLB) participated the extension of perinuclear multi-layered lamellae. The association of MLBs and endoplasmic reticula appeared to contribute to the formation of small cytoplasmic pre-acrosomal vesicles (PV) which coalesced into an acrosomal chamber (AC) at the periphery of StIII. A dense anterior acrosomal body (AB) was formed in the enlarged AC in StIV. The nuclear envelope became disintegrated in StV. At last, an AB-derived spiky acrosome was emerged from AC in StVI. Sperm nuclei became increasingly decondensed during the entire process of spermiogenesis and the nuclear components in the testicular spermatozoa appeared to only contain chains of DNA and nucleosome-contained chromatin.
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Affiliation(s)
- Tianyi Feng
- School of Agriculture and Food Science, University of Queensland, Gatton, Queensland, 4343, Australia
| | - Brian Paterson
- Queensland Department of Agriculture and Fisheries, Bribie Island Research Centre, Woorim, Queensland, 4507, Australia
| | - Stephen D Johnston
- School of Agriculture and Food Science, University of Queensland, Gatton, Queensland, 4343, Australia
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15
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Li G, Kang X, Mu S, Guo M, Huang S, Chen Q, Nong S, Huang X, Hu H, Sun K. H3K9ac involved in the decondensation of spermatozoal nuclei during spermatogenesis in Chinese mitten crab Eriocheir sinensis. Cytotechnology 2016; 69:75-87. [PMID: 27896558 DOI: 10.1007/s10616-016-0038-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Accepted: 10/28/2016] [Indexed: 01/24/2023] Open
Abstract
As a well-known crustacean model species, the Chinese mitten crab Eriocheir sinensis presents spermatozoa with decondensed DNA. Our aim was to analyze structural distribution of the histone H3 and its acetylated lysine 9 (H3K9ac) during spermatogenesis for the mechanistic understanding of the nuclear decondensation of the spermatozoa in E. sinensis. Using specific antibodies, we followed the structural distribution and acetylated lysine 9 of the histone H3 during spermatogenesis, especially spermiogenesis, of E. sinensis. Various spermary samples at different developmental stages were used for histological immunofluorescence and ultrastructural immunocytochemistry. Our results demonstrate a wide distribution of the histone H3 and H3K9ac during spermatogenesis, including spermatogonia, spermatocytes, spermatids, and immature and mature spermatozoa except for absence of H3K9ac in the secondary spermatocytes. Especially during the initial stage of nuclear decondensation, histone H3 lysine 9 was acetylated and then an amount of H3K9ac was removed from within to outside of the nuclei of late spermatids. The portion of remaining H3K9ac was gradually transferred from the nuclei during the stages of spermatozoa maturation. Our findings suggest both the acetylation of histone H3 lysine 9 and the remain of H3K9ac to contribute to the nuclear decondensation in spermatozoa of E. sinensis.
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Affiliation(s)
- Genliang Li
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, 533000, People's Republic of China.
| | - Xianjiang Kang
- College of Life Sciences, Hebei University, Baoding, 071002, People's Republic of China.
| | - Shumei Mu
- College of Life Sciences, Hebei University, Baoding, 071002, People's Republic of China
| | - Mingshen Guo
- College of Life Sciences, Hebei University, Baoding, 071002, People's Republic of China
| | - Shiwen Huang
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, 533000, People's Republic of China
| | - Qinna Chen
- College of Life Sciences, Hebei University, Baoding, 071002, People's Republic of China
| | - Song Nong
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, 533000, People's Republic of China
| | - Xiaomin Huang
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, 533000, People's Republic of China
| | - Hongliu Hu
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, 533000, People's Republic of China
| | - Ke Sun
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, 533000, People's Republic of China
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16
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Liu ZQ, Jiang XH, Qi HY, Xiong LW, Qiu GF. A novel SoxB2 gene is required for maturation of sperm nucleus during spermiogenesis in the Chinese mitten crab, Eriocheir sinensis. Sci Rep 2016; 6:32139. [PMID: 27561408 PMCID: PMC4999818 DOI: 10.1038/srep32139] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 08/03/2016] [Indexed: 01/10/2023] Open
Abstract
SRY-related HMG box (Sox) genes are characterized by the presence of a DNA-binding HMG domain and involved in a diverse range of developmental processes. In this study, we identified a novel Sox gene, designated as EsSoxB2-1, from the Chinese mitten crab Eriocheir sinensis. The EsSoxB2-1 encodes a protein of 259 amino acids, sharing the highest identity with the beetle Tribolium castaneum SOX21b. Unlike insect Sox21b, however, EsSoxB2-1 is intronless and exhibits a gonad-specific expression pattern at both mRNA and protein level. Two core promoters in 5′ flanking region were demonstrated to be essential for inducing transcriptional regulatory activity. The transcription of EsSoxB2-1 mRNA begins in spermatogonia stage, while the translation of EsSOXB2-1 protein initiates at spermiogenesis stage. Interestingly, EsSOXB2-1 protein was exclusively localized in the nucleus of spermatid and spermatozoa even at the end of acrosome reaction, and was bound to the uncondensed chromatin in nucleoplasm of mature spermatozoa. Knockdown of EsSoxB2-1 by RNAi leads to abnormal transformation of the nucleus during spermiogenesis. Together, these findings demonstrated the requirement of EsSoxB2-1 for the spermatozoa nucleus maturation and also suggested that EsSoxB2-1 would be delivered into fertilized eggs along with chromatins as a paternal transcription factor for regulating early embryonic development.
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Affiliation(s)
- Zhi-Qiang Liu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Certificated by Ministry of Education, College of Fisheries and Life Science, Shanghai Ocean University, 999 Hucheng Huan Road, Shanghai, 201306, P. R. China
| | - Xue-Hui Jiang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Certificated by Ministry of Education, College of Fisheries and Life Science, Shanghai Ocean University, 999 Hucheng Huan Road, Shanghai, 201306, P. R. China
| | - Hai-Yan Qi
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Certificated by Ministry of Education, College of Fisheries and Life Science, Shanghai Ocean University, 999 Hucheng Huan Road, Shanghai, 201306, P. R. China
| | - Liang-Wei Xiong
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Certificated by Ministry of Education, College of Fisheries and Life Science, Shanghai Ocean University, 999 Hucheng Huan Road, Shanghai, 201306, P. R. China
| | - Gao-Feng Qiu
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Certificated by Ministry of Education, College of Fisheries and Life Science, Shanghai Ocean University, 999 Hucheng Huan Road, Shanghai, 201306, P. R. China
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17
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Dynamics of histone H2A, H4 and HS1ph during spermatogenesis with a focus on chromatin condensation and maturity of spermatozoa. Sci Rep 2016; 6:25089. [PMID: 27121047 PMCID: PMC4848542 DOI: 10.1038/srep25089] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 04/08/2016] [Indexed: 11/09/2022] Open
Abstract
Histones and histone phosphorylation play vital roles during animal spermatogenesis and spermatozoa maturation. The dynamic distribution of histones H2A and H4 and phosphorylated H2A and H4 at serine 1 (HS1ph) was explored in mammalian and Decapoda germ cells, with a special focus on the distribution of H2A, H4 and HS1ph between mouse condensed spermatozoa chromatin and crab non-condensed spermatozoa chromatin. The distribution of histone marks was also analysed in mature spermatozoa with different chromatin structures. Histone H2A and H4 marks were closely associated with the relatively loose chromatin structure in crab spermatozoa. The significant decrease in the HS1ph signal during spermatogenesis suggests that eliminating most of these epigenetic marks in the nucleusis closely associated with spermatozoa maturity.
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18
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Presence of gonadotropin-releasing hormone-like peptide in the central nervous system and reproductive organs of the male blue swimming crab, Portunus pelagicus, and its effect on spermatogenesis. Cell Tissue Res 2016; 365:265-77. [DOI: 10.1007/s00441-016-2375-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 02/01/2016] [Indexed: 02/02/2023]
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19
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Wu J, Mu S, Guo M, Chen T, Zhang Z, Li Z, Li Y, Kang X. Histone H2B gene cloning, with implication for its function during nuclear shaping in the Chinese mitten crab, Eriocheir sinensis. Gene 2016; 575:276-84. [DOI: 10.1016/j.gene.2015.09.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 09/01/2015] [Accepted: 09/01/2015] [Indexed: 11/28/2022]
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20
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Wu JL, Kang XJ, Guo MS, Mu SM, Zhang ZH. Cloning and Functional Analysis of Histones H3 and H4 in Nuclear Shaping during Spermatogenesis of the Chinese Mitten Crab, Eriocheir sinensis. PLoS One 2015; 10:e0126623. [PMID: 25993499 PMCID: PMC4438001 DOI: 10.1371/journal.pone.0126623] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 04/04/2015] [Indexed: 11/19/2022] Open
Abstract
During spermatogenesis in most animals, the basic proteins associated with DNA are continuously changing and somatic-typed histones are partly replaced by sperm-specific histones, which are then successively replaced by transition proteins and protamines. With the replacement of sperm nuclear basic proteins, nuclei progressively undergo chromatin condensation. The Chinese Mitten Crab (Eriocheir sinensis) is also known as the hairy crab or river crab (phylum Arthropoda, subphylum Crustacea, order Decapoda, and family Grapsidae). The spermatozoa of this species are aflagellate, and each has a spherical acrosome surrounded by a cup-shaped nucleus, peculiar to brachyurans. An interesting characteristic of the E. sinensis sperm nucleus is its lack of electron-dense chromatin. However, its formation is not clear. In this study, sequences encoding histones H3 and H4 were cloned by polymerase chain reaction amplification. Western blotting indicated that H3 and H4 existed in the sperm nuclei. Immunofluorescence and ultrastructural immunocytochemistry demonstrated that histones H3 and H4 were both present in the nuclei of spermatogonia, spermatocytes, spermatids and mature spermatozoa. The nuclear labeling density of histone H4 decreased in sperm nuclei, while histone H3 labeling was not changed significantly. Quantitative real-time PCR showed that the mRNA expression levels of histones H3 and H4 were higher at mitotic and meiotic stages than in later spermiogenesis. Our study demonstrates that the mature sperm nuclei of E. sinensis contain histones H3 and H4. This is the first report that the mature sperm nucleus of E. sinensis contains histones H3 and H4. This finding extends the study of sperm histones of E. sinensis and provides some basic data for exploring how decapod crustaceans form uncondensed sperm chromatin.
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Affiliation(s)
- Jiang-Li Wu
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Xian-Jiang Kang
- College of Life Sciences, Hebei University, Baoding, 071002, China
- * E-mail:
| | - Ming-Shen Guo
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Shu-Mei Mu
- College of Life Sciences, Hebei University, Baoding, 071002, China
| | - Zhao-Hui Zhang
- College of Life Sciences, Hebei University, Baoding, 071002, China
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21
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Carvalho-Saucedo L, Ramírez-Santiago C, Pérez C. Histological Description of Gonadal Development of Females and Males ofCallinectes sapidusRathbun, 1896 (Decapoda: Portunidae). Zoolog Sci 2015; 32:188-94. [DOI: 10.2108/zs140132] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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22
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Morphological alterations of all stages of spermatogenesis and acrosome reaction in Chinese mitten crab Eriocheir sinensis. Cell Tissue Res 2015; 360:401-12. [DOI: 10.1007/s00441-014-2092-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Accepted: 12/09/2014] [Indexed: 11/26/2022]
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23
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Wei D, Li HM, Yang WJ, Wei DD, Dou W, Huang Y, Wang JJ. Transcriptome profiling of the testis reveals genes involved in spermatogenesis and marker discovery in the oriental fruit fly, Bactrocera dorsalis. INSECT MOLECULAR BIOLOGY 2015; 24:41-57. [PMID: 25255964 DOI: 10.1111/imb.12134] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The testis is a highly specialized tissue that plays a vital role in ensuring fertility by producing spermatozoa, which are transferred to the female during mating. Spermatogenesis is a complex process, resulting in the production of mature sperm, and involves significant structural and biochemical changes in the seminiferous epithelium of the adult testis. The identification of genes involved in spermatogenesis of Bactrocera dorsalis (Hendel) is critical for a better understanding of its reproductive development. In this study, we constructed a cDNA library of testes from male B. dorsalis adults at different ages, and performed de novo transcriptome sequencing to produce a comprehensive transcript data set, using Illumina sequencing technology. The analysis yielded 52 016 732 clean reads, including a total of 4.65 Gb of nucleotides. These reads were assembled into 47 677 contigs (average 443 bp) and then clustered into 30 516 unigenes (average 756 bp). Based on BLAST hits with known proteins in different databases, 20 921 unigenes were annotated with a cut-off E-value of 10(-5). The transcriptome sequences were further annotated using the Clusters of Orthologous Groups, Gene Orthology and the Kyoto Encyclopedia of Genes and Genomes databases. Functional genes involved in spermatogenesis were analysed, including cell cycle proteins, metalloproteins, actin, and ubiquitin and antihyperthermia proteins. Several testis-specific genes were also identified. The transcripts database will help us to understand the molecular mechanisms underlying spermatogenesis in B. dorsalis. Furthermore, 2913 simple sequence repeats and 151 431 single nucleotide polymorphisms were identified, which will be useful for investigating the genetic diversity of B. dorsalis in the future.
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Affiliation(s)
- D Wei
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing, China
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24
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Stewart MJ, Stewart P, Rivera-Posada J. De novo assembly of the transcriptome ofAcanthaster plancitestes. Mol Ecol Resour 2014; 15:953-66. [DOI: 10.1111/1755-0998.12360] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Revised: 12/04/2014] [Accepted: 12/08/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Michael James Stewart
- Genecology Research Centre; Faculty of Science, Health, Education and Engineering; University of the Sunshine Coast; Maroochydore DC Queensland 4558 Australia
| | - Praphaporn Stewart
- Genecology Research Centre; Faculty of Science, Health, Education and Engineering; University of the Sunshine Coast; Maroochydore DC Queensland 4558 Australia
| | - Jairo Rivera-Posada
- ARC Centre of Excellence for Coral Reefs Studies; James Cook University; Townsville Queensland 4812 Australia
- Australian Institute of Marine Science; PMB No. 3 Townsville Queensland 4810 Australia
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25
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Xiang DF, Zhu JQ, Hou CC, Yang WX. Identification and expression pattern analysis of Piwi genes during the spermiogenesis of Portunus trituberculatus. Gene 2014; 534:240-8. [DOI: 10.1016/j.gene.2013.10.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Revised: 10/21/2013] [Accepted: 10/24/2013] [Indexed: 12/30/2022]
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26
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Morphological characterization of testicular cells, spermatogenesis and formation of spermatophores in a fish ectoparasite Argulus bengalensis Ramakrishna, 1951 (Crustacea: Branchiura). Tissue Cell 2013; 46:59-69. [PMID: 24355128 DOI: 10.1016/j.tice.2013.11.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2013] [Revised: 10/26/2013] [Accepted: 11/08/2013] [Indexed: 11/22/2022]
Abstract
The present study has been carried out to describe the cell morphology of the developing male gametes in a fish ectoparasite, Argulus bengalensis Ramakrishna, 1951. With respect to cell volume and nucleoplasmic index, spermatogonia are the smallest and primary spermatocytes are the largest in this lineage. The spermatogonia and the differentiating spermatogenic cells are in separate niches and confined to different enclaves within each testicular lobe. Spermiogenesis occurs within the inner enclave of each testicular lobe. During this process the nucleus becomes streamlined; an acrosome is formed, axoneme is originated, and residual cytoplasm is discarded through the flagellum. The sperm cell morphology displays a general pattern comprising head, mid-piece, and a full length flagellum. In the axoneme 9+2 arrangement of the microtubule is conserved. In addition to the axoneme, some more singlet microtubules are found surrounding a fiber sheath and around one of the mitochondria adjacent to the axoneme. This arrangement indicates a close phylogenetic relationship with pentastomida. In the present study, structure and formation of spermatophore are described in this branchiuran parasite.
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27
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Wang YL, Li Q, Xie J, Zhu M, Sun WJ, He L, Wang Q. Involvement of the single Cul4 gene of Chinese mitten crab Eriocheir sinensis in spermatogenesis. Gene 2013; 536:9-17. [PMID: 24334119 DOI: 10.1016/j.gene.2013.11.099] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 11/13/2013] [Accepted: 11/13/2013] [Indexed: 12/21/2022]
Abstract
The Cullin-RING finger ligases (CRLs) are involved in the ubiquitin-mediated degradation of cell cycle regulators and play an important role in gametogenesis. Cullin 4 (CUL4) is a conserved core component of a new class of ubiquitin E3 ligase, and participates in the proteolysis of several regulatory proteins through the ubiquitin-proteasome pathway. The mammals encode two paralogs of CUL4, CUL4A and CUL4B, and the two Cul4 genes are functionally redundant. However, Drosophila or other metazoans only contain one Cul4 gene. Here we cloned the Cul4 gene and confirmed that there is only one protein of CUL4 in Eriocheir sinensis, a full length Cul4 comprised of 2777 nucleotides, an open-reading frame of 2373bp encoding 790 amino acid residues. The expression level of Cul4 mRNAs, as demonstrated by quantitative real-time PCR, varied significantly during testis development, with the greatest transcript levels found at an early stage. Localization analysis using antibodies against CUL4A/4B in the reproductive system showed that EsCUL4 mainly distribute in spermatogonia and primary spermatocytes, and gradually reduced during the development and maturation of sperm. The results indicated that a single CUL4 protein may play a role in spermatogenesis in E. sinensis.
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Affiliation(s)
- Yuan-Li Wang
- School of Life Science, East China Normal University, Shanghai, China
| | - Qing Li
- School of Life Science, East China Normal University, Shanghai, China
| | - Jing Xie
- School of Life Science, East China Normal University, Shanghai, China
| | - Ming Zhu
- School of Life Science, East China Normal University, Shanghai, China
| | - Wen-Juan Sun
- School of Life Science, East China Normal University, Shanghai, China
| | - Lin He
- School of Life Science, East China Normal University, Shanghai, China.
| | - Qun Wang
- School of Life Science, East China Normal University, Shanghai, China.
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28
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Xiang DF, Zhu JQ, Jin S, Hu YJ, Tan FQ, Yang WX. Expression and function analysis of metallothionein in the testis of Portunus trituberculatus exposed to cadmium. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2013; 140-141:1-10. [PMID: 23747547 DOI: 10.1016/j.aquatox.2013.05.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 04/30/2013] [Accepted: 05/03/2013] [Indexed: 06/02/2023]
Abstract
Metallothioneins (MTs) possess a unique molecular structure that provides metal-binding and redox capabilities. These capabilities include the maintenance of metal equilibria that protect against heavy metals (especially cadmium) and oxidative damage. Past studies have focused on the function of MTs in vertebrates. However, the functions of MTs during spermiogenesis in invertebrates remain unclear. In order to investigate the function of MTs during spermiogenesis in Portunus trituberculatus, we used RT-PCR and RACE to identify two MT complete cDNA sequences in the total RNA from the P. trituberculatus testis. The 450 bp MT-1 cDNA consists of a 77 bp 5' untranslated region, a 196 bp 3' untranslated region, and a 177 bp open reading frame that encodes 58 amino acids including 19 cysteines. The 581 bp MT-2 cDNA consists of 73 bp 5' untranslated region, a 328 bp 3' untranslated region, and a 180 bp open reading frame that encodes 59 amino acids including 18 cysteines. MT-1 and MT-2 of P. trituberculatus more closely resemble invertebrate (especially crab) MT homologues than vertebrate MT homologues as indicated by protein alignment comparisons and phylogenetic tree analysis. MT-1 and MT-2 were detected in the heart, testis, muscle, hepatopancreas, and gill of P. trituberculatus by tissue expression analysis. In addition, MT-1 and MT-2 are present during the entire process of spermiogenesis in P. trituberculatus as indicated by H&E staining and in situ hybridization. MT-1 and MT-2 expression levels significantly increase after cadmium (Cd) exposure as measured by real-time quantitative PCR analysis. Therefore, we suggest that MT-1 and MT-2 perform important functions in spermiogenesis and testis detoxification in P. trituberculatus.
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Affiliation(s)
- Dong-Fang Xiang
- School of Marine Sciences, Ningbo University, Ningbo, Zhejiang 315211, China
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29
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Stewart MJ, Stewart P, Sroyraya M, Soonklang N, Cummins SF, Hanna PJ, Duan W, Sobhon P. Cloning of the crustacean hyperglycemic hormone and evidence for molt-inhibiting hormone within the central nervous system of the blue crab Portunus pelagicus. Comp Biochem Physiol A Mol Integr Physiol 2013; 164:276-90. [DOI: 10.1016/j.cbpa.2012.10.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2012] [Revised: 10/19/2012] [Accepted: 10/20/2012] [Indexed: 12/11/2022]
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30
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Sroyraya M, Hanna PJ, Changklungmoa N, Senarai T, Siangcham T, Tinikul Y, Sobhon P. Expression of the male reproduction-related gene in spermatic ducts of the blue swimming crab, Portunus pelagicus, and transfer of modified protein to the sperm acrosome. Microsc Res Tech 2012; 76:102-12. [PMID: 23108973 DOI: 10.1002/jemt.22142] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Accepted: 10/20/2012] [Indexed: 01/17/2023]
Abstract
Expression of a sex-specific gene in Macrobrachium rosenbergii (Mr-Mrr), encoding a male reproduction-related (Mrr) protein, has been identified in the spermatic ducts (SDs) and postulated to be involved in sperm maturation processes. M. rosenbergii is the only decapod that the expression and fate of the Mrr protein has been studied. To determine that this protein was conserved in decapods, we firstly used cloning techniques to identify the Mrr gene in two crabs, Portunus pelagicus (Pp-Mrr) and Scylla serrata (Ss-Mrr). We then investigated expression of Pp-Mrr by in situ hybridization, and immunolocalization, as well as phosphorylation and glycosylation modifications, and the fate of the protein in the male reproductive tract. Pp-Mrr was shown to have 632 nucleotides, and a deduced protein of 110 amino acids, with an unmodified molecular weight of 11.79 kDa and a mature protein with molecular weight of 9.16 kDa. In situ hybridization showed that Pp-Mrr is expressed in the epithelium of the proximal, middle, distal SDs, and ejaculatory ducts. In Western blotting, proteins of 10.9 and 17.2 kDa from SDs were all positive using anti-Mrr, antiphosphoserine/threonine, and antiphosphotyrosine. PAS staining showed they were also glycosylated. Immunolocalization studies showed Pp-Mrr in the SD epithelium, lumen, and on the acrosomes of spermatozoa. Immunofluorescence staining indicated the acrosome of spermatozoa contained the Mrr protein, which is phosphorylated with serine/threonine and tyrosine, and also glycosylated. The Mrr is likely to be involved in acrosomal activation during fertilization of eggs.
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Affiliation(s)
- Morakot Sroyraya
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
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31
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Gene expression pattern of myosin Va during spermatogenesis of Chinese mitten crab, Eriocheir sinensis. Gene 2012; 508:78-84. [DOI: 10.1016/j.gene.2012.07.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Revised: 07/12/2012] [Accepted: 07/19/2012] [Indexed: 11/19/2022]
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He L, Wang Q, Jin X, Wang Y, Chen L, Liu L, Wang Y. Transcriptome profiling of testis during sexual maturation stages in Eriocheir sinensis using Illumina sequencing. PLoS One 2012; 7:e33735. [PMID: 22442720 PMCID: PMC3307765 DOI: 10.1371/journal.pone.0033735] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Accepted: 02/16/2012] [Indexed: 11/18/2022] Open
Abstract
The testis is a highly specialized tissue that plays dual roles in ensuring fertility by producing spermatozoa and hormones. Spermatogenesis is a complex process, resulting in the production of mature sperm from primordial germ cells. Significant structural and biochemical changes take place in the seminiferous epithelium of the adult testis during spermatogenesis. The gene expression pattern of testis in Chinese mitten crab (Eriocheir sinensis) has not been extensively studied, and limited genetic research has been performed on this species. The advent of high-throughput sequencing technologies enables the generation of genomic resources within a short period of time and at minimal cost. In the present study, we performed de novo transcriptome sequencing to produce a comprehensive transcript dataset for testis of E. sinensis. In two runs, we produced 25,698,778 sequencing reads corresponding with 2.31 Gb total nucleotides. These reads were assembled into 342,753 contigs or 141,861 scaffold sequences, which identified 96,311 unigenes. Based on similarity searches with known proteins, 39,995 unigenes were annotated based on having a Blast hit in the non-redundant database or ESTscan results with a cut-off E-value above 10−5. This is the first report of a mitten crab transcriptome using high-throughput sequencing technology, and all these testes transcripts can help us understand the molecular mechanisms involved in spermatogenesis and testis maturation.
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Affiliation(s)
| | - Qun Wang
- School of Life Sciences, East China Normal University, Shanghai, China
- * E-mail:
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Klaus S, Münzner S, Modenbach AC, Streit B, Tudge CC. Spermatophore formation and sperm ultrastructure ofSundathelphusa philippina(Crustacea: Brachyura: Gecarcinucidae). ACTA ZOOL-STOCKHOLM 2011. [DOI: 10.1111/j.1463-6395.2011.00550.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Shinozaki-Mendes RA, Silva JR, Hazin FH. Development of male reproductive system of the blue land crab Cardisoma guanhumi Latreille, 1828 (Decapoda: Gecarcinidae). ACTA ZOOL-STOCKHOLM 2011. [DOI: 10.1111/j.1463-6395.2011.00513.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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