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Aryal YP, Neupane S, Kwak HJ, An CH, Sohn WJ, Yamamoto H, Kwon TY, Min BK, Kim JY, Cho SJ. Unraveling the structure, chemical composition, and conserved signaling in leech teeth. Anim Cells Syst (Seoul) 2024; 28:272-282. [PMID: 38741948 PMCID: PMC11089927 DOI: 10.1080/19768354.2024.2350736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 04/29/2024] [Indexed: 05/16/2024] Open
Abstract
Unlike vertebrates, the number of toothed taxa in invertebrates is very few, with leeches being the only tooth-bearing organisms in the phylum Annelida. Copious studies have been conducted regarding vertebrate teeth; however, studies regarding the structure and function of invertebrate teeth are limited. In this study, the tooth structure of leeches, specifically Hirudo nipponia and Haemadipsa rjukjuana, was revealed, which showed sharp and pointed teeth along the apex of three jaws. Understanding conserved signaling regulations among analogous organs is crucial for uncovering the underlying mechanisms during organogenesis. Therefore, to shed light on the evolutionary perspective of odontogenesis to some extent, we conducted de novo transcriptome analyses using embryonic mouse tooth germs, Hirudo teeth, and Helobdella proboscises to identify conserved signaling molecules involved in tooth development. The selection criteria were particularly based on the presence of tooth-related genes in mice, Hirudo teeth, and Helobdella proboscis, wherein 4113 genes were commonly expressed in all three specimens. Furthermore, the chemical nature of leech teeth was also examined via TEM-EDS to compare the chemical composition with vertebrate teeth. The examination of tissue-specific genetic information and chemical nature between leeches and mice revealed chemical similarities between leech and mice teeth, as well as conserved signaling molecules involved in tooth formation, including Ptpro, Prickle2, and Wnt16. Based on our findings, we propose that leech teeth express signaling molecules conserved in mice and these conserved tooth-specific signaling for dental hard tissue formation in mice would corresponds to the structural formation of the toothed jaw in leeches.
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Affiliation(s)
- Yam Prasad Aryal
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Korea
| | - Sanjiv Neupane
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA
| | - Hee-Jin Kwak
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Korea
| | - Chang-Hyeon An
- Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Wern-Joo Sohn
- Pre-Major of Cosmetics and Pharmaceutics, Daegu Haany University, Gyeongsan, Korea
| | - Hitoshi Yamamoto
- Department of Histology and Developmental Biology, Tokyo Dental College, Tokyo, Japan
| | - Tae-Yub Kwon
- Department of Dental Biomaterials, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Bong-Ki Min
- Center for Research Facilities, Yeungnam University, Gyeongsan, Korea
| | - Jae-Young Kim
- Department of Biochemistry, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Sung-Jin Cho
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Korea
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Girich AS. WntA and Wnt4 during the regeneration of internal organs in the holothurian Eupentacta fraudatrix. Genesis 2024; 62:e23562. [PMID: 37846177 DOI: 10.1002/dvg.23562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/18/2023]
Abstract
BACKGROUND Over the past few years, it has been established that wnt genes are involved in the regenerative processes of holothurians. The wnt4 gene was identified as one of the most active genes in Eupentacta fraudatrix regeneration using differential gene expression analysis and qPCR of individual genes. Also, the wntA gene was found in holothurians, which is present only in invertebrates and can perform unique functions. RESULTS In this regard, both these genes and proteins were studied in this work. During regeneration, the Wnt4 protein is found in the cells of the coelomic and ambulacral epithelium, retractor muscles, and radial nerves. Single cells with this protein are also found in the connective tissue of the developing aquapharyngeal bulb and in the hypoderm of the body wall. Cells with WntA are found exclusively in the hypoderm of the body wall. CONCLUSION We assume that both genes are involved in regeneration, but Wnt4 coordinates the formation of the epithelial tissue structure, while WntA maintains the state of the intercellular substance of the body wall.
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Affiliation(s)
- A S Girich
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia
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3
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Peng Z, Zhang W, Fu H, Li Y, Zhang C, Li J, Chan J, Zhang L. Genome-Wide Comparative Analysis of SRCR Gene Superfamily in Invertebrates Reveals Massive and Independent Gene Expansions in the Sponge and Sea Urchin. Int J Mol Sci 2024; 25:1515. [PMID: 38338794 PMCID: PMC10855680 DOI: 10.3390/ijms25031515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/12/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Without general adaptative immunity, invertebrates evolved a vast number of heterogeneous non-self recognition strategies. One of those well-known adaptations is the expansion of the immune receptor gene superfamily coding for scavenger receptor cysteine-rich domain containing proteins (SRCR) in a few invertebrates. Here, we investigated the evolutionary history of the SRCR gene superfamily (SRCR-SF) across 29 metazoan species with an emphasis on invertebrates. We analyzed their domain architectures, genome locations and phylogenetic distribution. Our analysis shows extensive genome-wide duplications of the SRCR-SFs in Amphimedon queenslandica and Strongylocentrotus purpuratus. Further molecular evolution study reveals various patterns of conserved cysteines in the sponge and sea urchin SRCR-SFs, indicating independent and convergent evolution of SRCR-SF expansion during invertebrate evolution. In the case of the sponge SRCR-SFs, a novel motif with seven conserved cysteines was identified. Exon-intron structure analysis suggests the rapid evolution of SRCR-SFs during gene duplications in both the sponge and the sea urchin. Our findings across nine representative metazoans also underscore a heightened expression of SRCR-SFs in immune-related tissues, notably the digestive glands. This observation indicates the potential role of SRCR-SFs in reinforcing distinct immune functions in these invertebrates. Collectively, our results reveal that gene duplication, motif structure variation, and exon-intron divergence might lead to the convergent evolution of SRCR-SF expansions in the genomes of the sponge and sea urchin. Our study also suggests that the utilization of SRCR-SF receptor duplication may be a general and basal strategy to increase immune diversity and tissue specificity for the invertebrates.
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Affiliation(s)
- Zhangjie Peng
- College of Life Sciences, School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China; (Z.P.); (H.F.); (Y.L.); (C.Z.)
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- College of Marine Science, University of Chinese Academy of Sciences, Beijing 100049, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Wei Zhang
- College of Life Sciences, School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China; (Z.P.); (H.F.); (Y.L.); (C.Z.)
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Hailun Fu
- College of Life Sciences, School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China; (Z.P.); (H.F.); (Y.L.); (C.Z.)
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Yuzhu Li
- College of Life Sciences, School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China; (Z.P.); (H.F.); (Y.L.); (C.Z.)
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Chunyu Zhang
- College of Life Sciences, School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China; (Z.P.); (H.F.); (Y.L.); (C.Z.)
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jie Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- College of Marine Science, University of Chinese Academy of Sciences, Beijing 100049, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jiulin Chan
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Qingdao 266071, China
| | - Linlin Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center of Deep-Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- College of Marine Science, University of Chinese Academy of Sciences, Beijing 100049, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Qingdao 266071, China
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Le Franc L, Petton B, Favrel P, Rivière G. m 6A Profile Dynamics Indicates Regulation of Oyster Development by m 6A-RNA Epitranscriptomes. GENOMICS, PROTEOMICS & BIOINFORMATICS 2023; 21:742-755. [PMID: 36496129 PMCID: PMC10787124 DOI: 10.1016/j.gpb.2022.12.002] [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: 09/08/2021] [Revised: 11/23/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
The N6-methylation of RNA adenosines (N6-methyladenosine, m6A) is an important regulator of gene expression with critical implications in vertebrate and insect development. However, the developmental significance of epitranscriptomes in lophotrochozoan organisms remains unknown. Using methylated RNA immunoprecipitation sequencing (MeRIP-seq), we generated transcriptome-wide m6A-RNA methylomes covering the entire development of the oyster from oocytes to juveniles. Oyster RNA classes display specific m6A signatures, with messenger RNAs (mRNAs) and long non-coding RNAs (lncRNAs) exhibiting distinct profiles and being highly methylated compared to transposable element (TE) transcripts. Epitranscriptomes are dynamic and correspond to the chronological steps of development (cleavage, gastrulation, organogenesis, and metamorphosis), with minimal mRNA and lncRNA methylation at the morula stage followed by a global increase. mRNA m6A levels are correlated with transcript levels, and shifts in methylation profiles correspond to expression kinetics. Differentially methylated transcripts cluster according to embryo-larval stages and bear the corresponding developmental functions (cell division, signal transduction, morphogenesis, and cell differentiation). The m6A level of TE transcripts is also regulated and peaks during the gastrulation. We demonstrate that m6A-RNA methylomes are dynamic and associated with gene expression regulation during oyster development. The putative epitranscriptome implication in the cleavage, maternal-to-zygotic transition, and cell differentiation in a lophotrochozoan model brings new insights into the control and evolution of developmental processes.
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Affiliation(s)
- Lorane Le Franc
- Laboratoire de Biologie des Organismes et des Ecosystèmes Aquatiques (BOREA), Muséum d'Histoire Naturelle, Sorbonne Université, Université de Caen Normandie, Université des Antilles, CNRS UMR 8067, IRD, 14032 Caen, France
| | - Bruno Petton
- Ifremer, Laboratoire des Sciences de l'Environnement Marin, UMR 6539 CNRS/UBO/IRD/Ifremer, Centre Bretagne, 29280 Plouzané, France
| | - Pascal Favrel
- Laboratoire de Biologie des Organismes et des Ecosystèmes Aquatiques (BOREA), Muséum d'Histoire Naturelle, Sorbonne Université, Université de Caen Normandie, Université des Antilles, CNRS UMR 8067, IRD, 14032 Caen, France
| | - Guillaume Rivière
- Laboratoire de Biologie des Organismes et des Ecosystèmes Aquatiques (BOREA), Muséum d'Histoire Naturelle, Sorbonne Université, Université de Caen Normandie, Université des Antilles, CNRS UMR 8067, IRD, 14032 Caen, France.
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5
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Liu J, Liu J, Li M, Zhou L, Kong W, Zhang H, Jin P, Lu F, Lin G, Shi L. Division of developmental phases of freshwater leech Whitmania pigra and key genes related to neurogenesis revealed by whole genome and transcriptome analysis. BMC Genomics 2023; 24:203. [PMID: 37069497 PMCID: PMC10111769 DOI: 10.1186/s12864-023-09286-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 03/30/2023] [Indexed: 04/19/2023] Open
Abstract
The freshwater leech Whitmania pigra (W. pigra) Whitman (Annelida phylum) is a model organism for neurodevelopmental studies. However, molecular biology research on its embryonic development is still scarce. Here, we described a series of developmental stages of the W. pigra embryos and defined five broad stages of embryogenesis: cleavage stages, blastocyst stage, gastrula stage, organogenesis and refinement, juvenile. We obtained a total of 239.64 Gb transcriptome data of eight representative developmental phases of embryos (from blastocyst stage to maturity), which was then assembled into 21,482 unigenes according to our reference genome sequenced by single-molecule real-time (SMRT) long-read sequencing. We found 3114 genes differentially expressed during the eight phases with phase-specific expression pattern. Using a comprehensive transcriptome dataset, we demonstrated that 57, 49 and 77 DEGs were respectively related to morphogenesis, signal pathways and neurogenesis. 49 DEGs related to signal pathways included 30 wnt genes, 14 notch genes, and 5 hedgehog genes. In particular, we found a cluster consisting of 7 genes related to signal pathways as well as synapses, which were essential for regulating embryonic development. Eight genes cooperatively participated in regulating neurogenesis. Our results reveal the whole picture of W. pigra development mechanism from the perspective of transcriptome and provide new clues for organogenesis and neurodevelopmental studies of Annelida species.
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Affiliation(s)
- Jiali Liu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100193, China Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Jinxin Liu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100193, China Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Mingyue Li
- Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Lisi Zhou
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100193, China Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Weijun Kong
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, 100069, China
| | - Hailin Zhang
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Orthopaedic Department of Tongji Hospital, School of Medicine, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China
| | - Panpan Jin
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100193, China Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Fuhua Lu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100193, China Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China
| | - Gufa Lin
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Orthopaedic Department of Tongji Hospital, School of Medicine, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China.
| | - Linchun Shi
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100193, China Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing, 100193, China.
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6
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Kwak HJ, Medina-Jiménez BI, Park SC, Kim JH, Jeong GH, Jeon MJ, Kim S, Kim JW, Weisblat DA, Cho SJ. Slit-Robo expression in the leech nervous system: insights into eyespot evolution. Cell Biosci 2023; 13:70. [PMID: 37013648 PMCID: PMC10071614 DOI: 10.1186/s13578-023-01019-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 03/26/2023] [Indexed: 04/05/2023] Open
Abstract
BACKGROUND Slit and Robo are evolutionarily conserved ligand and receptor proteins, respectively, but the number of slit and robo gene paralogs varies across recent bilaterian genomes. Previous studies indicate that this ligand-receptor complex is involved in axon guidance. Given the lack of data regarding Slit/Robo in the Lophotrochozoa compared to Ecdysozoa and Deuterostomia, the present study aims to identify and characterize the expression of Slit/Robo orthologs in leech development. RESULTS We identified one slit (Hau-slit), and two robo genes (Hau-robo1 and Hau-robo2), and characterized their expression spatiotemporally during the development of the glossiphoniid leech Helobdella austinensis. Throughout segmentation and organogenesis, Hau-slit and Hau-robo1 are broadly expressed in complex and roughly complementary patterns in the ventral and dorsal midline, nerve ganglia, foregut, visceral mesoderm and/or endoderm of the crop, rectum and reproductive organs. Before yolk exhaustion, Hau-robo1 is also expressed where the pigmented eye spots will later develop, and Hau-slit is expressed in the area between these future eye spots. In contrast, Hau-robo2 expression is extremely limited, appearing first in the developing pigmented eye spots, and later in the three additional pairs of cryptic eye spots in head region that never develop pigment. Comparing the expression of robo orthologs between H. austinensis and another glossiphoniid leech, Alboglossiphonia lata allows to that robo1 and robo2 operate combinatorially to differentially specify pigmented and cryptic eyespots within the glossiphoniid leeches. CONCLUSIONS Our results support a conserved role in neurogenesis, midline formation and eye spot development for Slit/Robo in the Lophotrochozoa, and provide relevant data for evo-devo studies related to nervous system evolution.
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Affiliation(s)
- Hee-Jin Kwak
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
- Department of Ecology, Evolution and Behavior, Faculty of Science, Alexander Silberman Institute of Life Sciences, Hebrew University of Jerusalem, 9190401, Jerusalem, Israel
| | - Brenda I Medina-Jiménez
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
- Department of Earth Sciences, Paleobiology, Geocentrum, Uppsala University, Villavägen 16, 75236, Uppsala, Sweden
| | - Soon Cheol Park
- Department of Life Science, College of Natural Sciences, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Jung-Hyeuk Kim
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
- Wildlife Disease Response Team, National Institute of Wildlife Disease Control and Prevention, Incheon, 22689, Republic of Korea
| | - Geon-Hwi Jeong
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Mi-Jeong Jeon
- National Institute of Biological Resources, Environmental Research Complex, Incheon, 22689, Republic of Korea
| | - Sangil Kim
- Museum of Comparative Zoology and Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA
| | - Jung-Woong Kim
- Department of Life Science, College of Natural Sciences, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - David A Weisblat
- Department of Molecular and Cell Biology, University of California, 385 Weill Hall, Berkeley, CA, 94720-3200, USA.
| | - Sung-Jin Cho
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea.
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Platova S, Poliushkevich L, Kulakova M, Nesterenko M, Starunov V, Novikova E. Gotta Go Slow: Two Evolutionarily Distinct Annelids Retain a Common Hedgehog Pathway Composition, Outlining Its Pan-Bilaterian Core. Int J Mol Sci 2022; 23:ijms232214312. [PMID: 36430788 PMCID: PMC9695228 DOI: 10.3390/ijms232214312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/11/2022] [Accepted: 11/13/2022] [Indexed: 11/19/2022] Open
Abstract
Hedgehog signaling is one of the key regulators of morphogenesis, cell differentiation, and regeneration. While the Hh pathway is present in all bilaterians, it has mainly been studied in model animals such as Drosophila and vertebrates. Despite the conservatism of its core components, mechanisms of signal transduction and additional components vary in Ecdysozoa and Deuterostomia. Vertebrates have multiple copies of the pathway members, which complicates signaling implementation, whereas model ecdysozoans appear to have lost some components due to fast evolution rates. To shed light on the ancestral state of Hh signaling, models from the third clade, Spiralia, are needed. In our research, we analyzed the transcriptomes of two spiralian animals, errantial annelid Platynereis dumerilii (Nereididae) and sedentarian annelid Pygospio elegans (Spionidae). We found that both annelids express almost all Hh pathway components present in Drosophila and mouse. We performed a phylogenetic analysis of the core pathway components and built multiple sequence alignments of the additional key members. Our results imply that the Hh pathway compositions of both annelids share more similarities with vertebrates than with the fruit fly. Possessing an almost complete set of single-copy Hh pathway members, lophotrochozoan signaling composition may reflect the ancestral features of all three bilaterian branches.
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Affiliation(s)
- Sofia Platova
- Faculty of Biology, St. Petersburg State University, Saint Petersburg 199034, Russia
- Zoological Institute RAS, Saint Petersburg 199034, Russia
| | | | - Milana Kulakova
- Faculty of Biology, St. Petersburg State University, Saint Petersburg 199034, Russia
- Zoological Institute RAS, Saint Petersburg 199034, Russia
- Correspondence: (M.K.); (E.N.)
| | | | - Viktor Starunov
- Faculty of Biology, St. Petersburg State University, Saint Petersburg 199034, Russia
- Zoological Institute RAS, Saint Petersburg 199034, Russia
| | - Elena Novikova
- Faculty of Biology, St. Petersburg State University, Saint Petersburg 199034, Russia
- Zoological Institute RAS, Saint Petersburg 199034, Russia
- Correspondence: (M.K.); (E.N.)
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Yoshida MA, Hirota K, Imoto J, Okuno M, Tanaka H, Kajitani R, Toyoda A, Itoh T, Ikeo K, Sasaki T, Setiamarga DHE. Gene Recruitments and Dismissals in the Argonaut Genome Provide Insights into Pelagic Lifestyle Adaptation and Shell-like Eggcase Reacquisition. Genome Biol Evol 2022; 14:evac140. [PMID: 36283693 PMCID: PMC9635652 DOI: 10.1093/gbe/evac140] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/19/2022] [Indexed: 10/01/2023] Open
Abstract
The paper nautilus or greater argonaut, Argonauta argo, is a species of octopods which is characterized by its pelagic lifestyle and by the presence of a protective spiral-shaped shell-like eggcase in females. To reveal the genomic background of how the species adapted to the pelagic lifestyle and acquired its shell-like eggcase, we sequenced the draft genome of the species. The genome size was 1.1 Gb, which is the smallest among the cephalopods known to date, with the top 215 scaffolds (average length 5,064,479 bp) covering 81% (1.09 Gb) of the total assembly. A total of 26,433 protein-coding genes were predicted from 16,802 assembled scaffolds. From these, we identified nearly intact HOX, Parahox, Wnt clusters, and some gene clusters that could probably be related to the pelagic lifestyle, such as reflectin, tyrosinase, and opsin. The gene models also revealed several homologous genes related to calcified shell formation in Conchiferan mollusks, such as Pif-like, SOD, and TRX. Interestingly, comparative genomics analysis revealed that the homologous genes for such genes were also found in the genome of the shell-less octopus, as well as Nautilus, which has a true outer shell. Therefore, the draft genome sequence of Arg. argo presented here has helped us to gain further insights into the genetic background of the dynamic recruitment and dismissal of genes to form an important, converging extended phenotypic structure such as the shell and the shell-like eggcase. Additionally, it allows us to explore the evolution of from benthic to pelagic lifestyles in cephalopods and octopods.
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Affiliation(s)
- Masa-aki Yoshida
- Marine Biological Science Section, Education and Research Center for Biological Resources, Faculty of Life and Environmental Science, Shimane University, Okinoshima, Shimane 685-0024, Japan
| | - Kazuki Hirota
- Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-8654, Japan
- Department of Applied Chemistry and Biochemistry, National Institute of Technology (KOSEN), Wakayama College, Gobo, Wakayama 644-0012, Japan
| | - Junichi Imoto
- Center for Information Biology, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
| | - Miki Okuno
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Hiroyuki Tanaka
- School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan
| | - Rei Kajitani
- School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan
| | - Atsushi Toyoda
- Comparative Genomics Laboratory, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
- Advanced Genomics Center, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
| | - Takehiko Itoh
- School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan
| | - Kazuho Ikeo
- Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-8654, Japan
| | - Takenori Sasaki
- Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-8654, Japan
- The University Museum, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Davin H E Setiamarga
- Department of Applied Chemistry and Biochemistry, National Institute of Technology (KOSEN), Wakayama College, Gobo, Wakayama 644-0012, Japan
- The University Museum, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
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9
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Yang L, Li GY, Li XY, Wu CY, Wang J, Song QS, Stanley D, Wei SJ, Zhu JY. The Wnt gene family in Tenebrio molitor and other coleopterans. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2022; 111:e21915. [PMID: 35584033 DOI: 10.1002/arch.21915] [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: 04/10/2022] [Revised: 04/30/2022] [Accepted: 05/03/2022] [Indexed: 06/15/2023]
Abstract
The Wnt gene family is involved in a wide range of developmental processes. Despite its significance, the evolution and function of Wnt genes remain largely unclear. Here, an exhaustive survey of Wnt genes was conducted in Tenebrio molitor and 17 other beetle genomes. A total of 146 Wnt genes were identified, creating a comprehensive coleopteran Wnt gene catalog. Comparative genomics indicates that dynamic evolutionary patterns of Wnt gene loss and duplication occurred in Coleoptera, leading to the diverse Wnt gene repertoire in various beetles. A striking loss of particular Wnt gene subfamilies occurs in Coleoptera. Remarkably, Wnt gene duplication was discovered for the first time in insects. Further analysis of Wnt gene expression in T. molitor indicates that each Wnt gene, including the duplicated ones, has a unique spatial or temporal expression pattern. The current study provides valuable insight into the evolution and functional validation of Wnt genes in Coleoptera.
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Affiliation(s)
- Lin Yang
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Guang-Ya Li
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Xing-Yan Li
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Chao-Yan Wu
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Jun Wang
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Qi-Sheng Song
- Division of Plant Science and Technology, University of Missouri, Columbia, Missouri, USA
| | - David Stanley
- USDA/ARS Biological Control of Insects Research Laboratory, Columbia, Missouri, USA
| | - Shu-Jun Wei
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Jia-Ying Zhu
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, China
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10
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Hayashi Y, Oguchi K, Nakamura M, Koshikawa S, Miura T. Construction of a massive genetic resource by transcriptome sequencing and genetic characterization of Megasyllis nipponica (Annelida: Syllidae). Genes Genet Syst 2022; 97:153-166. [PMID: 36070927 DOI: 10.1266/ggs.21-00137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Understanding the processes and consequences of the morphological diversity of organisms is one of the major goals of evolutionary biology. Studies on the evolution of developmental mechanisms of morphologies, or evo-devo, have been extensively conducted in many taxa and have revealed many interesting phenomena at the molecular level. However, many other taxa exhibiting intriguing morphological diversity remain unexplored in the field of evo-devo. Although the annelid family Syllidae shows spectacular diversity in morphological development associated with reproduction, its evo-devo study, especially on molecular development, has progressed slowly. In this study, we focused on Megasyllis nipponica as a new model species for evo-devo in syllids and performed transcriptome sequencing to develop a massive genetic resource, which will be useful for future molecular studies. From the transcriptome data, we identified candidate genes that are likely involved in morphogenesis, including genes involved in hormone regulation, sex determination and appendage development. Furthermore, a computational analysis of the transcriptome sequence data indicated the occurrence of DNA methylation in coding regions of the M. nipponica genome. In addition, flow cytometry analysis showed that the genome size of M. nipponica was approximately 524 megabases. These results facilitate the study of morphogenesis in molecular terms and contribute to our understanding of the morphological diversity in syllids.
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Affiliation(s)
| | - Kohei Oguchi
- Misaki Marine Biological Station, School of Science, The University of Tokyo.,National Institute of Advanced Industrial Science and Technology (AIST)
| | - Mayuko Nakamura
- Misaki Marine Biological Station, School of Science, The University of Tokyo
| | - Shigeyuki Koshikawa
- Faculty of Environmental Earth Science, Hokkaido University.,Graduate School of Environmental Science, Hokkaido University
| | - Toru Miura
- Misaki Marine Biological Station, School of Science, The University of Tokyo
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11
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Peng L, Zhao Y. Genome-Wide Identification and Expression Profiling of the Wnt Gene Family in Three Rice Planthoppers: Sogatella furcifera, Laodelphax striatellus, and Nilaparvata lugens. JOURNAL OF INSECT SCIENCE (ONLINE) 2022; 22:2. [PMID: 36082678 PMCID: PMC9459440 DOI: 10.1093/jisesa/ieac049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Indexed: 06/15/2023]
Abstract
The Wnt gene family plays essential roles in regulating many developmental processes, including the maintenance of stem cells, cell division, and cell migration. The number of Wnt genes varies among species. Due to the diversity and importance of their functions, the Wnt gene family has gained extensive research interest in various animal species from invertebrates to vertebrates. However, knowledge of the Wnt gene family is limited in rice planthoppers. Three planthopper species, the white-backed planthopper (Sogatella furcifera Horvath), the small brown planthopper (Laodelphax striatellus Fallén) and the brown planthopper (Nilaparvata lugens Stål) (Hemiptera: Delphacidae), are devastating specialist pests of rice and cause serious damage to rice plants. To better study the evolution and function of the Wnt gene family in rice planthoppers, we identified 8 Wnt family genes in three rice planthoppers with both genomic and extensive transcriptomic resources available. We conducted a systematic analysis of the three kinds of rice planthoppers and analyzed the dynamic patterns of gene conservation, as well as Wnt gene loss and duplication. The expression profiles in different developmental stages of S. furcifera and different adult organs and tissues of L. striatellus provide preliminary functional implications for the Wnt genes in rice planthopper. This study presents the first genome-wide study of the Wnt gene family in rice planthoppers, and our findings provide insights into Wnt function and evolution in rice planthoppers.
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Affiliation(s)
- Lei Peng
- Corresponding authors, e-mail: (L.P.), (Y.Z.)
| | - Yan Zhao
- Corresponding authors, e-mail: (L.P.), (Y.Z.)
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12
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Mundaca-Escobar M, Cepeda RE, Sarrazin AF. The organizing role of Wnt signaling pathway during arthropod posterior growth. Front Cell Dev Biol 2022; 10:944673. [PMID: 35990604 PMCID: PMC9389326 DOI: 10.3389/fcell.2022.944673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 07/11/2022] [Indexed: 11/28/2022] Open
Abstract
Wnt signaling pathways are recognized for having major roles in tissue patterning and cell proliferation. In the last years, remarkable progress has been made in elucidating the molecular and cellular mechanisms that underlie sequential segmentation and axial elongation in various arthropods, and the canonical Wnt pathway has emerged as an essential factor in these processes. Here we review, with a comparative perspective, the current evidence concerning the participation of this pathway during posterior growth, its degree of conservation among the different subphyla within Arthropoda and its relationship with the rest of the gene regulatory network involved. Furthermore, we discuss how this signaling pathway could regulate segmentation to establish this repetitive pattern and, at the same time, probably modulate different cellular processes precisely coupled to axial elongation. Based on the information collected, we suggest that this pathway plays an organizing role in the formation of the body segments through the regulation of the dynamic expression of segmentation genes, via controlling the caudal gene, at the posterior region of the embryo/larva, that is necessary for the correct sequential formation of body segments in most arthropods and possibly in their common segmented ancestor. On the other hand, there is insufficient evidence to link this pathway to axial elongation by controlling its main cellular processes, such as convergent extension and cell proliferation. However, conclusions are premature until more studies incorporating diverse arthropods are carried out.
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Affiliation(s)
| | | | - Andres F. Sarrazin
- CoDe-Lab, Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile
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13
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Janssen R, Eriksson BJ. Embryonic expression patterns of Wnt genes in the RTA-clade spider Cupiennius salei. Gene Expr Patterns 2022; 44:119247. [PMID: 35472494 DOI: 10.1016/j.gep.2022.119247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 02/27/2022] [Accepted: 04/12/2022] [Indexed: 11/04/2022]
Abstract
Spiders represent widely used model organisms for chelicerate and even arthropod development and evolution. Wnt genes are important and evolutionary conserved factors that control and regulate numerous developmental processes. Recent studies comprehensively investigated the complement and expression of spider Wnt genes revealing conserved as well as diverged aspects of their expression and thus (likely) function among different groups of spiders representing Mygalomorphae (tarantulas), and both main groups of Araneae (true spiders) (Haplogynae/Synspermiata and Entelegynae). The allegedly most modern/derived group of entelegyne spiders is represented by the RTA-clade of which no comprehensive data on Wnt expression were available prior to this study. Here, we investigated the embryonic expression of all Wnt genes of the RTA-clade spider Cupiennius salei. We found that most of the Wnt expression patterns are conserved between Cupiennius and other spiders, especially more basally branching species. Surprisingly, most differences in Wnt gene expression are seen in the common model spider Parasteatoda tepidariorum (a non-RTA clade entelegyne species). These results show that data and conclusions drawn from research on one member of a group of animals (or any other organism) cannot necessarily be extrapolated to the group as a whole, and instead highlight the need for comprehensive taxon sampling.
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Affiliation(s)
- Ralf Janssen
- Uppsala University, Department of Earth Sciences, Palaeobiology, Villavägen 16, 75236, Uppsala, Sweden.
| | - Bo Joakim Eriksson
- Department für Neurowissenschaften und Entwicklungsbiologie, Universität Wien, Djerassiplatz 1, A-1030, Vienna, Austria
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14
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Holstein TW. The role of cnidarian developmental biology in unraveling axis formation and Wnt signaling. Dev Biol 2022; 487:74-98. [DOI: 10.1016/j.ydbio.2022.04.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 12/12/2022]
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15
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Glossiphoniid leeches as a touchstone for studies of development in clitellate annelids. Curr Top Dev Biol 2022; 147:433-468. [PMID: 35337458 DOI: 10.1016/bs.ctdb.2021.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
My goals in this chapter are to share my enthusiasm for studying the biology of leeches, to place this work in context by presenting my rationale for studying non-traditional biological models in general, and to sample just three of the questions that intrigue me in leech biology, namely segmentation, genome evolution and neuronal fate specification. I first became excited about the idea of using leeches as a subject of investigation as an undergraduate in 1970 and have been engaged in this work since I arrived at Berkeley as a postdoc in 1976, intending to study leech neurobiology. Both my research interests and the rationale for the work have expanded greatly since then. What follows is a fragmentary personal and historical account-the interested reader may find more comprehensive treatments elsewhere (Kuo et al., 2020; Shankland & Savage, 1997; Shain, 2009; Weisblat & Huang, 2001; Weisblat & Kuo, 2009, 2014; Weisblat & Winchell, 2020).
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16
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Seaver EC. Sifting through the mud: A tale of building the annelid Capitella teleta for EvoDevo studies. Curr Top Dev Biol 2022; 147:401-432. [PMID: 35337457 DOI: 10.1016/bs.ctdb.2021.12.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Over the last few decades, the annelid Capitella teleta has been used increasingly as a study system for investigations of development and regeneration. Its favorable properties include an ability to continuously maintain a laboratory culture, availability of a sequenced genome, a stereotypic cleavage program of early development, substantial regeneration abilities, and established experimental and functional genomics techniques. With this review I tell of my adventure of establishing the Capitella teleta as an emerging model and share examples of a few of the contributions our work has made to the fields of evo-devo and developmental biology. I highlight examples of conservation in developmental programs as well as surprising deviations from existing paradigms that highlight the importance of leveraging biological diversity to shift thinking in the field. The story for each study system is unique, and every animal has its own advantages and disadvantages as an experimental system. Just like most progress in science, it takes strategy, hard work and determination to develop tools and resources for a less studied animal, but luck and serendipity also play a role. I include a few narratives to personalize the science, share details of the story that are not included in typical publications, and provide perspective for investigators who are interested in developing their own study organism.
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Affiliation(s)
- Elaine C Seaver
- Whitney Laboratory for Marine Bioscience, University of Florida, St. Augustine, FL, United States.
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17
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Kwak HJ, Lee SG, Park SC, Kim JH, Weisblat DA, Park C, Cho SJ. Head transcriptome profiling of glossiphoniid leech ( Helobdella austinensis) reveals clues about proboscis development. Open Biol 2022; 12:210298. [PMID: 35232253 PMCID: PMC8889196 DOI: 10.1098/rsob.210298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Cephalization refers to the evolutionary trend towards the concentration of neural tissues, sensory organs, mouth and associated structures at the front end of bilaterian animals. Comprehensive studies on gene expression related to the anterior formation in invertebrate models are currently lacking. In this study, we performed de novo transcriptional profiling on a proboscis-bearing leech (Helobdella austinensis) to identify differentially expressed genes (DEGs) in the anterior versus other parts of the body, in particular to find clues as to the development of the proboscis. Between the head and the body, 132 head-specific DEGs were identified, of which we chose 11 to investigate their developmental function during embryogenesis. Analysis of the spatial expression of these genes using in situ hybridization showed that they were characteristically expressed in the anterior region of the developing embryo, including the proboscis. Our results provide information on the genes related to head formation and insights into the function of proboscis-related genes during organogenesis with the potential roles of genes not yet characterized.
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Affiliation(s)
- Hee-Jin Kwak
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Republic of Korea,Department of Ecology, Evolution and Behavior, Alexander Silberman Institute of Life Sciences, Faculty of Science, Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Sung-Gwon Lee
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Soon Cheol Park
- Department of Life Science, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Jung-Hyeuk Kim
- Wildlife Disease Response Team, National Institute of Wildlife Disease Control and Prevention, Incheon 22689, Republic of Korea
| | - David A. Weisblat
- Department of Molecular and Cell Biology, University of California, 385 Weill Hall, Berkeley, CA 94720-3200, USA
| | - Chungoo Park
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Sung-Jin Cho
- Department of Biological Sciences and Biotechnology, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Republic of Korea
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18
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Chavarria RA, Game M, Arbelaez B, Ramnarine C, Snow ZK, Smith FW. Extensive loss of Wnt genes in Tardigrada. BMC Ecol Evol 2021; 21:223. [PMID: 34961481 PMCID: PMC8711157 DOI: 10.1186/s12862-021-01954-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 12/09/2021] [Indexed: 11/28/2022] Open
Abstract
Background Wnt genes code for ligands that activate signaling pathways during development in Metazoa. Through the canonical Wnt (cWnt) signaling pathway, these genes regulate important processes in bilaterian development, such as establishing the anteroposterior axis and posterior growth. In Arthropoda, Wnt ligands also regulate segment polarity, and outgrowth and patterning of developing appendages. Arthropods are part of a lineage called Panarthropoda that includes Onychophora and Tardigrada. Previous studies revealed potential roles of Wnt genes in regulating posterior growth, segment polarity, and growth and patterning of legs in Onychophora. Unlike most other panarthropods, tardigrades lack posterior growth, but retain segmentation and appendages. Here, we investigated Wnt genes in tardigrades to gain insight into potential roles that these genes play during development of the highly compact and miniaturized tardigrade body plan. Results We analyzed published genomes for two representatives of Tardigrada, Hypsibius exemplaris and Ramazzottius varieornatus. We identified single orthologs of Wnt4, Wnt5, Wnt9, Wnt11, and WntA, as well as two Wnt16 paralogs in both tardigrade genomes. We only found a Wnt2 ortholog in H. exemplaris. We could not identify orthologs of Wnt1, Wnt6, Wnt7, Wnt8, or Wnt10. We identified most other components of cWnt signaling in both tardigrade genomes. However, we were unable to identify an ortholog of arrow/Lrp5/6, a gene that codes for a Frizzled co-receptor of Wnt ligands. Additionally, we found that some other animals that have lost several Wnt genes and are secondarily miniaturized, like tardigrades, are also missing an ortholog of arrow/Lrp5/6. We analyzed the embryonic expression patterns of Wnt genes in H. exemplaris during developmental stages that span the establishment of the AP axis through segmentation and leg development. We detected expression of all Wnt genes in H. exemplaris besides one of the Wnt16 paralogs. During embryo elongation, expression of several Wnt genes was restricted to the posterior pole or a region between the anterior and posterior poles. Wnt genes were expressed in distinct patterns during segmentation and development of legs in H. exemplaris, rather than in broadly overlapping patterns. Conclusions Our results indicate that Wnt signaling has been highly modified in Tardigrada. While most components of cWnt signaling are conserved in tardigrades, we conclude that tardigrades have lost Wnt1, Wnt6, Wnt7, Wnt8, and Wnt10, along with arrow/Lrp5/6. Our expression data may indicate a conserved role of Wnt genes in specifying posterior identities during establishment of the AP axis. However, the loss of several Wnt genes and the distinct expression patterns of Wnt genes during segmentation and leg development may indicate that combinatorial interactions among Wnt genes are less important during tardigrade development compared to many other animals. Based on our results, and comparisons to previous studies, we speculate that the loss of several Wnt genes in Tardigrada may be related to a reduced number of cells and simplified development that accompanied miniaturization and anatomical simplification in this lineage. Supplementary Information The online version contains supplementary material available at 10.1186/s12862-021-01954-y.
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Affiliation(s)
- Raul A Chavarria
- Biology Department, University of North Florida, Jacksonville, FL, USA
| | - Mandy Game
- Biology Department, University of North Florida, Jacksonville, FL, USA
| | - Briana Arbelaez
- Biology Department, University of North Florida, Jacksonville, FL, USA
| | - Chloe Ramnarine
- Biology Department, University of North Florida, Jacksonville, FL, USA
| | - Zachary K Snow
- Biology Department, University of North Florida, Jacksonville, FL, USA
| | - Frank W Smith
- Biology Department, University of North Florida, Jacksonville, FL, USA.
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19
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Ponz-Segrelles G, Ribeiro RP, Aguado MT. Monsters reveal patterns: bifurcated annelids and their implications for the study of development and evolution. Biol Rev Camb Philos Soc 2021; 97:896-922. [PMID: 34931440 DOI: 10.1111/brv.12826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 12/03/2021] [Accepted: 12/06/2021] [Indexed: 11/30/2022]
Abstract
During recent decades, the study of anatomical anomalies has been of great relevance for research on development and its evolution. Yet most animal groups have never been studied under this perspective. In annelids, one of the most common and remarkable anomalies is anteroposterior axis bifurcation, that is animals that have two or more heads and/or tails. Bifurcated annelids were first described in the 18th century and have been occasionally reported since then. However, these animals have rarely been considered other than curiosities, one-off anomalies, or monsters, and a condensed but comprehensive analysis of this phenomenon is lacking. Such an analysis of the existing knowledge is necessary for addressing the different patterns of annelid bifurcation, as well as to understand possible developmental mechanisms behind them and their evolution. In this review we summarize reports of annelid bifurcation published during the last 275 years and the wide variety of anatomies they present. Our survey reveals bifurcation as a widespread phenomenon found all over the annelid tree. Moreover, it also shows that bifurcations can be classified into different types according to anatomy (lateral versus dorsoventral) or developmental origin (embryonic versus postembryonic, the latter occurring in relation to regeneration, reproduction, or growth). Regarding embryos, three different types of bifurcation can be found: conjoined twins (in clitellates); Janus embryos (two posterior ends with a single head which shows duplicated structures); and duplicitas cruciata embryos (with anterior and posterior bifurcation with a 90° rotation). In adults, we show that while lateral bifurcation can result in well-integrated phenotypes, dorsoventral bifurcation cannot since it requires the discontinuity of at least some internal organs. The relevance of this distinction is highlighted in the case of the Ribbon Clade, a group of syllid annelids in which some species reproduce by collateral and successive gemmiparity (which involves dorsoventral bifurcation), while others grow by branching laterally. Although most known cases of bifurcation came from accidental findings in the wild or were unintentionally produced, experimental studies resulting in the induction of bifurcation of both embryos and adults are also reviewed. In embryos, these experimental studies show how mechanical or chemical disruption of the zygote can result in bifurcation. In adults, the ventral nervous system and the digestive tract seem to play a role in the induction of bifurcation. Based on the reviewed evidence, we argue that the long-forgotten study of annelid developmental anomalies should be incorporated into the growing field of annelid EvoDevo and examined with modern techniques and perspectives.
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Affiliation(s)
- Guillermo Ponz-Segrelles
- Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, Darwin, 2, Madrid, 28049, Spain
| | - Rannyele P Ribeiro
- Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, Darwin, 2, Madrid, 28049, Spain.,Marine Biological Laboratory, 7 MBL Street, Woods Hole, MA, 02543, U.S.A
| | - M Teresa Aguado
- Biodiversitätsmuseum, Animal Evolution & Biodiversity, Georg-August-Universität Göttingen, Untere Karspüle 2, Göttingen, 37073, Germany
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20
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Harper A, Baudouin Gonzalez L, Schönauer A, Janssen R, Seiter M, Holzem M, Arif S, McGregor AP, Sumner-Rooney L. Widespread retention of ohnologs in key developmental gene families following whole-genome duplication in arachnopulmonates. G3 (BETHESDA, MD.) 2021; 11:jkab299. [PMID: 34849767 PMCID: PMC8664421 DOI: 10.1093/g3journal/jkab299] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Revised: 07/19/2021] [Accepted: 08/03/2021] [Indexed: 01/12/2023]
Abstract
Whole-genome duplications (WGDs) have occurred multiple times during animal evolution, including in lineages leading to vertebrates, teleosts, horseshoe crabs, and arachnopulmonates. These dramatic events initially produce a wealth of new genetic material, generally followed by extensive gene loss. It appears, however, that developmental genes such as homeobox genes, signaling pathway components and microRNAs are frequently retained as duplicates (so-called ohnologs) following WGD. These not only provide the best evidence for WGD, but an opportunity to study its evolutionary consequences. Although these genes are well studied in the context of vertebrate WGD, similar comparisons across the extant arachnopulmonate orders are patchy. We sequenced embryonic transcriptomes from two spider species and two amblypygid species and surveyed three important gene families, Hox, Wnt, and frizzled, across these and 12 existing transcriptomic and genomic resources for chelicerates. We report extensive retention of putative ohnologs, further supporting the ancestral arachnopulmonate WGD. We also found evidence of consistent evolutionary trajectories in Hox and Wnt gene repertoires across three of the six arachnopulmonate orders, with interorder variation in the retention of specific paralogs. We identified variation between major clades in spiders and are better able to reconstruct the chronology of gene duplications and losses in spiders, amblypygids, and scorpions. These insights shed light on the evolution of the developmental toolkit in arachnopulmonates, highlight the importance of the comparative approach within lineages, and provide substantial new transcriptomic data for future study.
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Affiliation(s)
- Amber Harper
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
| | - Luis Baudouin Gonzalez
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
| | - Anna Schönauer
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
| | - Ralf Janssen
- Department of Earth Sciences, Uppsala University, Geocentrum, 752 36 Uppsala, Sweden
| | - Michael Seiter
- Department of Evolutionary Biology, Unit Integrative Zoology, University of Vienna, 1090 Vienna, Austria
| | - Michaela Holzem
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
- Division of Signalling and Functional Genomics, German Cancer Research Centre (DKFZ), Heidelberg, Germany and Department of Cell and Molecular Biology, Medical Faculty Mannheim, Heidelberg University, 69120 Heidelberg, Germany
| | - Saad Arif
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
- Centre for Functional Genomics, Oxford Brookes University, Oxford OX3 0BP, UK
| | - Alistair P McGregor
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
- Centre for Functional Genomics, Oxford Brookes University, Oxford OX3 0BP, UK
| | - Lauren Sumner-Rooney
- Oxford University Museum of Natural History, University of Oxford, Oxford OX1 3PW, UK
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21
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de Oliveira AL, Mitchell J, Girguis P, Bright M. Novel insights on obligate symbiont lifestyle and adaptation to chemosynthetic environment as revealed by the giant tubeworm genome. Mol Biol Evol 2021; 39:6454105. [PMID: 34893862 PMCID: PMC8789280 DOI: 10.1093/molbev/msab347] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The mutualism between the giant tubeworm Riftia pachyptila and its endosymbiont Candidatus Endoriftia persephone has been extensively researched over the past 40 years. However, the lack of the host whole genome information has impeded the full comprehension of the genotype/phenotype interface in Riftia. Here we described the high-quality draft genome of Riftia, its complete mitogenome, and tissue-specific transcriptomic data. The Riftia genome presents signs of reductive evolution, with gene family contractions exceeding expansions. Expanded gene families are related to sulphur metabolism, detoxification, anti-oxidative stress, oxygen transport, immune system, and lysosomal digestion, reflecting evolutionary adaptations to the vent environment and endosymbiosis. Despite the derived body plan, the developmental gene repertoire in the gutless tubeworm is extremely conserved with the presence of a near intact and complete Hox cluster. Gene expression analyses establishes that the trophosome is a multi-functional organ marked by intracellular digestion of endosymbionts, storage of excretory products and haematopoietic functions. Overall, the plume and gonad tissues both in contact to the environment harbour highly expressed genes involved with cell cycle, programmed cell death, and immunity indicating a high cell turnover and defence mechanisms against pathogens. We posit that the innate immune system plays a more prominent role into the establishment of the symbiosis during the infection in the larval stage, rather than maintaining the symbiostasis in the trophosome. This genome bridges four decades of physiological research in Riftia, whilst simultaneously provides new insights into the development, whole organism functions and evolution in the giant tubeworm.
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Affiliation(s)
| | - Jessica Mitchell
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Peter Girguis
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Monika Bright
- Department of Functional and Evolutionary Ecology, University of Vienna, Austria
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22
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Janssen R, Pechmann M, Turetzek N. A chelicerate Wnt gene expression atlas: novel insights into the complexity of arthropod Wnt-patterning. EvoDevo 2021; 12:12. [PMID: 34753512 PMCID: PMC8579682 DOI: 10.1186/s13227-021-00182-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 10/27/2021] [Indexed: 11/24/2022] Open
Abstract
The Wnt genes represent a large family of secreted glycoprotein ligands that date back to early animal evolution. Multiple duplication events generated a set of 13 Wnt families of which 12 are preserved in protostomes. Embryonic Wnt expression patterns (Wnt-patterning) are complex, representing the plentitude of functions these genes play during development. Here, we comprehensively investigated the embryonic expression patterns of Wnt genes from three species of spiders covering both main groups of true spiders, Haplogynae and Entelegynae, a mygalomorph species (tarantula), as well as a distantly related chelicerate outgroup species, the harvestman Phalangium opilio. All spiders possess the same ten classes of Wnt genes, but retained partially different sets of duplicated Wnt genes after whole genome duplication, some of which representing impressive examples of sub- and neo-functionalization. The harvestman, however, possesses a more complete set of 11 Wnt genes but with no duplicates. Our comprehensive data-analysis suggests a high degree of complexity and evolutionary flexibility of Wnt-patterning likely providing a firm network of mutational protection. We discuss the new data on Wnt gene expression in terms of their potential function in segmentation, posterior elongation, and appendage development and critically review previous research on these topics. We conclude that earlier research may have suffered from the absence of comprehensive gene expression data leading to partial misconceptions about the roles of Wnt genes in development and evolution.
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Affiliation(s)
- Ralf Janssen
- Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, 75236, Uppsala, Sweden.
| | - Matthias Pechmann
- Department of Developmental Biology, Biocenter, Institute for Zoology, University of Cologne, Zuelpicher Str. 47b, 50674, Cologne, Germany
| | - Natascha Turetzek
- Evolutionary Ecology, Faculty of Biology, Ludwig-Maximilians Universität München, Grosshaderner Strasse 2, 82152, Biozentrum, Germany
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23
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Zhang B, Qin G, Qu L, Zhang Y, Li C, Cang C, Lin Q. Wnt8a is one of the candidate genes that play essential roles in the elongation of the seahorse prehensile tail. MARINE LIFE SCIENCE & TECHNOLOGY 2021; 3:416-426. [PMID: 37073259 PMCID: PMC10077196 DOI: 10.1007/s42995-021-00099-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 01/08/2021] [Indexed: 05/03/2023]
Abstract
Seahorses are a hallmark of specialized morphological features due to their elongated prehensile tail. However, the underlying genomic grounds of seahorse tail development remain elusive. Herein, we evaluated the roles of essential genes from the Wnt gene family for the tail developmental process in the lined seahorse (Hippocampus erectus). Comparative genomic analysis revealed that the Wnt gene family is conserved in seahorses. The expression profiles and in situ hybridization suggested that Wnt5a, Wnt8a, and Wnt11 may participate in seahorse tail development. Like in other teleosts, Wnt5a and Wnt11 were found to regulate the development of the tail axial mesoderm and tail somitic mesoderm, respectively. However, a significantly extended expression period of Wnt8a during seahorse tail development was observed. Signaling pathway analysis further showed that Wnt8a up-regulated the expression of the tail axial mesoderm gene (Shh), while interaction analysis indicated that Wnt8a could promote the expression of Wnt11. In summary, our results indicate that the special extended expression period of Wnt8a might promote caudal tail axis formation, which contributes to the formation of the elongated tail of the seahorse. Supplementary Information The online version contains supplementary material available at 10.1007/s42995-021-00099-7.
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Affiliation(s)
- Bo Zhang
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510275 China
- Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, 510275 China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
| | - Geng Qin
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510275 China
- Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, 510275 China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
| | - Lili Qu
- School of Life Sciences, University of Science and Technology of China, Hefei, 230026 China
| | - Yanhong Zhang
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510275 China
- Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, 510275 China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
| | - Chunyan Li
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510275 China
- Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, 510275 China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
| | - Chunlei Cang
- School of Life Sciences, University of Science and Technology of China, Hefei, 230026 China
| | - Qiang Lin
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510275 China
- Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou, 510275 China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
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Martí-Solans J, Godoy-Marín H, Diaz-Gracia M, Onuma TA, Nishida H, Albalat R, Cañestro C. Massive Gene Loss and Function Shuffling in Appendicularians Stretch the Boundaries of Chordate Wnt Family Evolution. Front Cell Dev Biol 2021; 9:700827. [PMID: 34179025 PMCID: PMC8220140 DOI: 10.3389/fcell.2021.700827] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 05/19/2021] [Indexed: 01/17/2023] Open
Abstract
Gene loss is a pervasive source of genetic variation that influences species evolvability, biodiversity and the innovation of evolutionary adaptations. To better understand the evolutionary patterns and impact of gene loss, here we investigate as a case study the evolution of the wingless (Wnt) family in the appendicularian tunicate Oikopleura dioica, an emergent EvoDevo model characterized by its proneness to lose genes among chordates. Genome survey and phylogenetic analyses reveal that only four of the thirteen Wnt subfamilies have survived in O. dioica—Wnt5, Wnt10, Wnt11, and Wnt16,—representing the minimal Wnt repertoire described in chordates. While the loss of Wnt4 and Wnt8 likely occurred in the last common ancestor of tunicates, representing therefore a synapomorphy of this subphylum, the rest of losses occurred during the evolution of appendicularians. This work provides the first complete Wnt developmental expression atlas in a tunicate and the first insights into the evolution of Wnt developmental functions in appendicularians. Our work highlights three main evolutionary patterns of gene loss: (1) conservation of ancestral Wnt expression domains not affected by gene losses; (2) function shuffling among Wnt paralogs accompanied by gene losses; and (3) extinction of Wnt expression in certain embryonic directly correlated with gene losses. Overall our work reveals that in contrast to “conservative” pattern of evolution of cephalochordates and vertebrates, O. dioica shows an even more radical “liberal” evolutionary pattern than that described ascidian tunicates, stretching the boundaries of the malleability of Wnt family evolution in chordates.
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Affiliation(s)
- Josep Martí-Solans
- Departament de Genètica, Microbiologia i Estadística, Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain
| | - Hector Godoy-Marín
- Departament de Genètica, Microbiologia i Estadística, Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain
| | - Miriam Diaz-Gracia
- Departament de Genètica, Microbiologia i Estadística, Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain
| | - Takeshi A Onuma
- Department of Biological Sciences, Graduate School of Science, Osaka University, Osaka, Japan
| | - Hiroki Nishida
- Department of Biological Sciences, Graduate School of Science, Osaka University, Osaka, Japan
| | - Ricard Albalat
- Departament de Genètica, Microbiologia i Estadística, Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain
| | - Cristian Cañestro
- Departament de Genètica, Microbiologia i Estadística, Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain
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25
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Gai Z, Wang Y, Tian L, Gong G, Zhao J. Whole Genome Level Analysis of the Wnt and DIX Gene Families in Mice and Their Coordination Relationship in Regulating Cardiac Hypertrophy. Front Genet 2021; 12:608936. [PMID: 34168671 PMCID: PMC8217762 DOI: 10.3389/fgene.2021.608936] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 05/17/2021] [Indexed: 12/27/2022] Open
Abstract
The Wnt signaling pathway is an evolutionarily conserved signaling pathway that plays essential roles in embryonic development, organogenesis, and many other biological activities. Both Wnt proteins and DIX proteins are important components of Wnt signaling. Systematic studies of Wnt and DIX families at the genome-wide level may provide a comprehensive landscape to elucidate their functions and demonstrate their relationships, but they are currently lacking. In this report, we describe the correlations between mouse Wnt and DIX genes in family expansion, molecular evolution, and expression levels in cardiac hypertrophy at the genome-wide scale. We observed that both the Wnt and DIX families underwent more expansion than the overall average in the evolutionarily early stage. In addition, mirrortree analyses suggested that Wnt and DIX were co-evolved protein families. Collectively, these results would help to elucidate the evolutionary characters of Wnt and DIX families and demonstrate their correlations in mediating cardiac hypertrophy.
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Affiliation(s)
- Zhongchao Gai
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Yujiao Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Lu Tian
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Guoli Gong
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Jieqiong Zhao
- Department of Cardiology, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
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26
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He X, Wu F, Zhang L, Li L, Zhang G. Comparative and evolutionary analyses reveal conservation and divergence of the notch pathway in lophotrochozoa. Sci Rep 2021; 11:11378. [PMID: 34059772 PMCID: PMC8166818 DOI: 10.1038/s41598-021-90800-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 05/17/2021] [Indexed: 01/03/2023] Open
Abstract
Lophotrochozoan species exhibit wide morphological diversity; however, the molecular basis underlying this diversity remains unclear. Here, we explored the evolution of Notch pathway genes across 37 metazoan species via phylogenetic and molecular evolutionary studies with emphasis on the lophotrochozoans. We displayed the components of Notch pathway in metazoans and found that Delta and Hes/Hey-related genes, as well as their functional domains, are duplicated in lophotrochozoans. Comparative transcriptomics analyses allow us to pinpoint sequence divergence of multigene families in the Notch signalling pathway. We identified the duplication mechanism of a mollusc-specific gene, Delta2, and found it displayed complementary expression throughout development. Furthermore, we found the functional diversification not only in expanded genes in the Notch pathway (Delta and Hes/Hey-related genes), but also in evolutionary conservative genes (Notch, Presenilin, and Su(H)). Together, this comprehensive study demonstrates conservation and divergence within the Notch pathway, reveals evolutionary relationships among metazoans, and provides evidence for the occurrence of developmental diversity in lophotrochozoans, as well as a basis for future gene function studies.
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Affiliation(s)
- Xin He
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
- The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Fucun Wu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China.
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Qingdao, 266071, China.
- The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan, 430072, China.
| | - Linlin Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China.
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Qingdao, 266071, China.
| | - Li Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Qingdao, 266071, China
| | - Guofan Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- National and Local Joint Engineering Laboratory of Ecological Mariculture, Qingdao, 266071, China
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27
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Behavioral variation according to feeding organ diversification in glossiphoniid leeches (Phylum: Annelida). Sci Rep 2021; 11:10940. [PMID: 34035418 PMCID: PMC8149456 DOI: 10.1038/s41598-021-90421-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 05/06/2021] [Indexed: 11/08/2022] Open
Abstract
Adaptive radiation is a phenomenon in which various organs are diversified morphologically or functionally as animals adapt to environmental inputs. Leeches exhibit a variety of ingestion behaviors and morphologically diverse ingestion organs. In this study, we investigated the correlation between behavioral pattern and feeding organ structure of leech species. Among them, we found that Alboglossiphonia sp. swallows prey whole using its proboscis, whereas other leeches exhibit typical fluid-sucking behavior. To address whether the different feeding behaviors are intrinsic, we investigated the behavioral patterns and muscle arrangements in the earlier developmental stage of glossiphoniid leeches. Juvenile Glossiphoniidae including the Alboglossiphonia sp. exhibit the fluid ingestion behavior and have the proboscis with the compartmentalized muscle layers. This study provides the characteristics of leeches with specific ingestion behaviors, and a comparison of structural differences that serves as the first evidence of the proboscis diversification.
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28
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Analysis of Fox genes in Schmidtea mediterranea reveals new families and a conserved role of Smed-foxO in controlling cell death. Sci Rep 2021; 11:2947. [PMID: 33536473 PMCID: PMC7859237 DOI: 10.1038/s41598-020-80627-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/18/2020] [Indexed: 01/30/2023] Open
Abstract
The forkhead box (Fox) genes encode transcription factors that control several key aspects of development. Present in the ancestor of all eukaryotes, Fox genes underwent several duplications followed by loss and diversification events that gave rise to the current 25 families. However, few Fox members have been identified from the Lophotrochozoa clade, and specifically from planarians, which are a unique model for understanding development, due to the striking plasticity of the adult. The aim of this study was to identify and perform evolutionary and functional studies of the Fox genes of lophotrochozoan species and, specifically, of the planarian Schmidtea mediterranea. Generating a pipeline for identifying Forkhead domains and using phylogenetics allowed us the phylogenetic reconstruction of Fox genes. We corrected the annotation for misannotated genes and uncovered a new family, the QD, present in all metazoans. According to the new phylogeny, the 27 Fox genes found in Schmidtea mediterranea were classified into 12 families. In Platyhelminthes, family losses were accompanied by extensive gene diversification and the appearance of specific families, the A(P) and N(P). Among the newly identified planarian Fox genes, we found a single copy of foxO, which shows an evolutionary conserved role in controlling cell death.
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29
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Bai Y, Nie H, Wang Z, Yan X. Genome-wide identification and transcriptome-based expression profiling of Wnt gene family in Ruditapes philippinarum. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 35:100709. [PMID: 32688272 DOI: 10.1016/j.cbd.2020.100709] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/23/2020] [Accepted: 06/30/2020] [Indexed: 12/14/2022]
Abstract
The Wnt genes encode a set of conserved glycoproteins regulating early development, cell proliferation and differentiation, and tissue regeneration in metazoans. In some mollusks, the knowledge of Wnt gene family has been limited because of the short of the genomic and transcriptomic resources. Ruditapes philippinarum is an economically important bivalve with a variety of shell coloration patterns and ability to regenerate its siphon. To gain a greater understanding of the evolutionary dynamics of Wnt gene family, we carried out a genome-wide identification and phylogenetic analysis of Wnt gene family in R. philippinarum and other four mollusks. A total of 12 Wnt genes were identified in the genome of R. philippinarum, and the dynamic patterns of gene conservation, loss and duplication of Wnt genes were analyzed in mollusks and model organisms. Furthermore, the transcriptome analyses demonstrated the expression profiles of the Wnt genes at different developmental stage, in adult tissues, during siphon regeneration, in four different shell color strains, and at uncolored and colored developmental stages in two different shell color strains. These findings suggest that the expansion of Wnt genes may play vital roles in the larval development, the formation of shell color pattern and siphon regeneration in R. philippinarum. This study provides a valuable insight into Wnt function and evolution in mollusks.
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Affiliation(s)
- Yitian Bai
- College of Fisheries and Life Science, Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Hongtao Nie
- College of Fisheries and Life Science, Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, Dalian 116023, China.
| | - Zhengxing Wang
- College of Fisheries and Life Science, Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, Dalian 116023, China
| | - Xiwu Yan
- College of Fisheries and Life Science, Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, Dalian 116023, China
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30
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Holzem M, Franke FA, Mendes CC, McGregor AP. Wnt gene regulation and function during maxillary palp development in Drosophila melanogaster. Dev Biol 2020; 462:66-73. [PMID: 32229133 DOI: 10.1016/j.ydbio.2020.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/20/2020] [Accepted: 03/20/2020] [Indexed: 10/24/2022]
Abstract
Wnt genes encode secreted ligands that play many important roles in the development of metazoans. There are thirteen known Wnt gene subfamilies and seven of these are represented in Drosophila melanogaster. While wingless (wg) is the best understood and most widely studied Wnt gene in Drosophila, the functions of many of the other Drosophila Wnt genes are less well understood. For example, relatively little is known about Wnt6, which is an ancient paralog of wg and they form a conserved Wnt cluster together with Wnt9 (Dwnt4) and Wnt10. Wg and Wnt6 encode similar proteins and exhibit overlapping expression in several tissues during development. Both wg and Wnt6 were previously shown to regulate the development of maxillary palps, important olfactory organs in flies, but it remained unclear how these two ligands may combine to carry out specific functions and how this is regulated. Here, we have further analysed Wnt6 function in the context of maxillary palp development. Surprisingly, we found that Wnt6 does not appear to be necessary for development of maxillary palps. While a deletion of the 5' region of Wnt6 results in very small maxillary palps, we show that this effect is more likely to be a consequence of removing cis-regulatory elements that may regulate wg expression in this tissue rather than through the loss of Wnt6 function. Although, we cannot completely exclude the possibility that Wnt6 may subtly regulate maxillary palp development in combination with wg, our analysis of Wnt6 loss of function mutants suggests this ligand plays a more general role in regulating growth during development. Taken together our results provide new insights into maxillary palp formation and Wnt6 functions in Drosophila, and further evidence for a complex cis-regulatory landscape in the Wnt9-wg-Wnt6-Wnt10 cluster, which may help explain its evolutionary conservation.
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Affiliation(s)
- Michaela Holzem
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, OX3 0BP, United Kingdom; Division of Signalling and Functional Genomics, German Cancer Research Centre (DKFZ), Department of Cell and Molecular Biology, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany.
| | - Franziska A Franke
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, OX3 0BP, United Kingdom
| | - Cláudia C Mendes
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, OX3 0BP, United Kingdom; Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, OX1 3QX, United Kingdom
| | - Alistair P McGregor
- Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, OX3 0BP, United Kingdom.
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31
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Han YH, Ryu KB, Medina Jiménez BI, Kim J, Lee HY, Cho SJ. Muscular Development in Urechis unicinctus (Echiura, Annelida). Int J Mol Sci 2020; 21:ijms21072306. [PMID: 32225111 PMCID: PMC7178014 DOI: 10.3390/ijms21072306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 12/27/2022] Open
Abstract
Echiura is one of the most intriguing major subgroups of phylum Annelida because, unlike most other annelids, echiuran adults lack metameric body segmentation. Urechis unicinctus lives in U-shape burrows of soft sediments. Little is known about the molecular mechanisms underlying the development of U. unicinctus. Herein, we overviewed the developmental process from zygote to juvenile U. unicinctus using immunohistochemistry and F-actin staining for the nervous and muscular systems, respectively. Through F-actin staining, we found that muscle fibers began to form in the trochophore phase and that muscles for feeding were produced first. Subsequently, in the segmentation larval stage, the transversal muscle was formed in the shape of a ring in an anterior-to-posterior direction with segment formation, as well as a ventromedian muscle for the formation of a ventral nerve cord. After that, many muscle fibers were produced along the entire body and formed the worm-shaped larva. Finally, we investigated the spatiotemporal expression of Uun_st-mhc, Uun_troponin I, Uun_calponin, and Uun_twist genes found in U. unicinctus. During embryonic development, the striated and smooth muscle genes were co-expressed in the same region. However, the adult body wall muscles showed differential gene expression of each muscle layer. The results of this study will provide the basis for the understanding of muscle differentiation in Echiura.
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Affiliation(s)
- Yong-Hee Han
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea; (Y.-H.H.); (K.-B.R.); (B.I.M.J.)
| | - Kyoung-Bin Ryu
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea; (Y.-H.H.); (K.-B.R.); (B.I.M.J.)
| | - Brenda I. Medina Jiménez
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea; (Y.-H.H.); (K.-B.R.); (B.I.M.J.)
- Department of Earth Sciences, Paleobiology, Uppsala University, Villavägen 16, 75236 Uppsala, Sweden
| | - Jung Kim
- Department of Molecular and Cell Biology, University of California, 539 LSA, Berkeley, CA 94720-3200, USA;
| | - Hae-Youn Lee
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea; (Y.-H.H.); (K.-B.R.); (B.I.M.J.)
- Correspondence: (H.-Y.L.); (S.-J.C.); Tel.: +82-43-261-2294 (S.-J.C.)
| | - Sung-Jin Cho
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea; (Y.-H.H.); (K.-B.R.); (B.I.M.J.)
- Correspondence: (H.-Y.L.); (S.-J.C.); Tel.: +82-43-261-2294 (S.-J.C.)
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Albertin CB, Simakov O. Cephalopod Biology: At the Intersection Between Genomic and Organismal Novelties. Annu Rev Anim Biosci 2020; 8:71-90. [PMID: 31815522 DOI: 10.1146/annurev-animal-021419-083609] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Cephalopods are resourceful marine predators that have fascinated generations of researchers as well as the public owing to their advanced behavior, complex nervous system, and significance in evolutionary studies. Recent advances in genomics have accelerated the pace of cephalopod research. Many traditional areas focusing on evolution, development, behavior, and neurobiology, primarily on the morphological level, are now transitioning to molecular approaches. This review addresses the recent progress and impact of genomic and other molecular resources on research in cephalopods. We outline several key directions in which significant progress in cephalopod research is expected and discuss its impact on our understanding of the genetic background behind cephalopod biology and beyond.
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Affiliation(s)
- Caroline B Albertin
- Eugene Bell Center for Regenerative Biology and Tissue Engineering, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA;
| | - Oleg Simakov
- Department of Molecular Evolutionary and Development, University of Vienna, 1090 Vienna, Austria;
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da Fonseca RR, Couto A, Machado AM, Brejova B, Albertin CB, Silva F, Gardner P, Baril T, Hayward A, Campos A, Ribeiro ÂM, Barrio-Hernandez I, Hoving HJ, Tafur-Jimenez R, Chu C, Frazão B, Petersen B, Peñaloza F, Musacchia F, Alexander GC, Osório H, Winkelmann I, Simakov O, Rasmussen S, Rahman MZ, Pisani D, Vinther J, Jarvis E, Zhang G, Strugnell JM, Castro LFC, Fedrigo O, Patricio M, Li Q, Rocha S, Antunes A, Wu Y, Ma B, Sanges R, Vinar T, Blagoev B, Sicheritz-Ponten T, Nielsen R, Gilbert MTP. A draft genome sequence of the elusive giant squid, Architeuthis dux. Gigascience 2020; 9:giz152. [PMID: 31942620 PMCID: PMC6962438 DOI: 10.1093/gigascience/giz152] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 10/27/2019] [Accepted: 12/05/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The giant squid (Architeuthis dux; Steenstrup, 1857) is an enigmatic giant mollusc with a circumglobal distribution in the deep ocean, except in the high Arctic and Antarctic waters. The elusiveness of the species makes it difficult to study. Thus, having a genome assembled for this deep-sea-dwelling species will allow several pending evolutionary questions to be unlocked. FINDINGS We present a draft genome assembly that includes 200 Gb of Illumina reads, 4 Gb of Moleculo synthetic long reads, and 108 Gb of Chicago libraries, with a final size matching the estimated genome size of 2.7 Gb, and a scaffold N50 of 4.8 Mb. We also present an alternative assembly including 27 Gb raw reads generated using the Pacific Biosciences platform. In addition, we sequenced the proteome of the same individual and RNA from 3 different tissue types from 3 other species of squid (Onychoteuthis banksii, Dosidicus gigas, and Sthenoteuthis oualaniensis) to assist genome annotation. We annotated 33,406 protein-coding genes supported by evidence, and the genome completeness estimated by BUSCO reached 92%. Repetitive regions cover 49.17% of the genome. CONCLUSIONS This annotated draft genome of A. dux provides a critical resource to investigate the unique traits of this species, including its gigantism and key adaptations to deep-sea environments.
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Affiliation(s)
- Rute R da Fonseca
- Center for Macroecology, Evolution and Climate (CMEC), GLOBE Institute, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark
- The Bioinformatics Centre, Department of Biology, University of Copenhagen, Ole Maaløes Vej 5, 2200 Copenhagen, Denmark
| | - Alvarina Couto
- Department of Biochemistry, Genetics and Immunology, University of Vigo, Vigo 36310, Spain
| | - Andre M Machado
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros de Leixões, Av. General Norton de Matos, 4450'208 Matosinhos, Portugal
| | - Brona Brejova
- Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, Mlynská dolina, 842 48 Bratislava, Slovak Republic
| | - Carolin B Albertin
- Eugene Bell Center for Regenerative Biology and Tissue Engineering, Marine Biological Laboratory, Woods Hole, MA 02543, USA
| | - Filipe Silva
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros de Leixões, Av. General Norton de Matos, 4450'208 Matosinhos, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal
| | - Paul Gardner
- Department of Biochemistry, University of Otago, 710 Cumberland Street, North Dunedin, Dunedin 9016, New Zealand
| | - Tobias Baril
- Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, Cornwall, TR10 9FE, UK
| | - Alex Hayward
- Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, Cornwall, TR10 9FE, UK
| | - Alexandre Campos
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros de Leixões, Av. General Norton de Matos, 4450'208 Matosinhos, Portugal
| | - Ângela M Ribeiro
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros de Leixões, Av. General Norton de Matos, 4450'208 Matosinhos, Portugal
| | - Inigo Barrio-Hernandez
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark
| | - Henk-Jan Hoving
- GEOMAR Helmholtz Centre for Ocean Research Kiel,Wischhofstraße 1-3, 24148 Kiel, Germany
| | - Ricardo Tafur-Jimenez
- Instituto del Mar del Perú, Esq. Gamarra y Gral. Valle, Chucuito Apartado 22, Callao, Peru
| | - Chong Chu
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA
| | - Barbara Frazão
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros de Leixões, Av. General Norton de Matos, 4450'208 Matosinhos, Portugal
- IPMA, Fitoplâncton Lab, Rua C do Aeroporto, 1749-077, Lisboa, Portugal
| | - Bent Petersen
- Centre of Excellence for Omics-Driven Computational Biodiscovery (COMBio), Faculty of Applied Sciences, AIMST University, Batu 3 1/2, Butik Air Nasi, 08100 Bedong, Kedah, Malaysia
- Evolutionary Genomics Section, Globe Institute, University of Copenhagen,Øster Farimagsgade 5, 1353 Copenhagen, Denmark
| | - Fernando Peñaloza
- Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología-Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, México
| | - Francesco Musacchia
- Genomic Medicine, Telethon Institute of Genetics and Medicine, Via Campi Flegrei, 34, 80078 Pozzuoli, Naples, Italy
| | - Graham C Alexander
- GCB Sequencing and Genomic Technologies Shared Resource, Duke University CIEMAS, 101 Science Drive, Durham, NC 27708, USA
| | - Hugo Osório
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
- IPATIMUP-Institute of Molecular Pathology and Immunology, University of Porto, Rua Júlio Amaral de Carvalho 45, 4200-135 Porto, Portugal
- Faculty of Medicine of the University of Porto, Alameda Prof. Hernani Monteiro, 4200-319 Porto, Portugal
| | - Inger Winkelmann
- Section for GeoGenetics, GLOBE Institute, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Oleg Simakov
- Department of Molecular Evolution and Development, University of Vienna, Althanstrasse 14 (UZA1), A-1090 Vienna, Austria
| | - Simon Rasmussen
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen, Denmark
| | - M Ziaur Rahman
- Bioinformatics Solutions Inc, 470 Weber St N Suite 204, Waterloo, ON N2L 6J2, Canada
| | - Davide Pisani
- School of Biological Sciences and School of Earth Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TG, UK
| | - Jakob Vinther
- School of Biological Sciences and School of Earth Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TG, UK
| | - Erich Jarvis
- Howard Hughes Medical Institute, 4000 Jones Bridge Rd, Chevy Chase, MD 20815, USA
- The Rockefeller University, 1230 York Ave, New York, NY 10065, USA
| | - Guojie Zhang
- Section for Ecology and Evolution, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark
- China National Genebank, BGI-Shenzhen, Shenzhen 518083, China
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, 32 Jiaochang Donglu Kunming, Yunnan 650223, China
- CAS Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, 32 Jiaochang Donglu Kunming, Yunnan 650223, China
| | - Jan M Strugnell
- Centre for Sustainable Tropical Fisheries & Aquaculture, James Cook University, Townsville, Douglas QLD 4814, Australia
- Department of Ecology, Environment and Evolution, School of Life Sciences, La Trobe University, Melbourne Victoria 3086, Australia
| | - L Filipe C Castro
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros de Leixões, Av. General Norton de Matos, 4450'208 Matosinhos, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal
| | - Olivier Fedrigo
- The Rockefeller University, 1230 York Ave, New York, NY 10065, USA
| | - Mateus Patricio
- European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, Cambridge CB10 1SD, UK
| | - Qiye Li
- BGI-Shenzhen, Shenzhen, China
| | - Sara Rocha
- Department of Biochemistry, Genetics and Immunology, University of Vigo, Vigo 36310, Spain
- Biomedical Research Center (CINBIO), University of Vigo, Campus Universitario Lagoas-Marcosende, 36310 Vigo, Spain
| | - Agostinho Antunes
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros de Leixões, Av. General Norton de Matos, 4450'208 Matosinhos, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 4169-007, Porto, Portugal
| | - Yufeng Wu
- Department of Computer Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Bin Ma
- School of Computer Science, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, Canada
| | - Remo Sanges
- Area of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati (SISSA), Via Bonomea 265, 34136 Trieste, Italy
- Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Tomas Vinar
- Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, Mlynská dolina, 842 48 Bratislava, Slovak Republic
| | - Blagoy Blagoev
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark
| | - Thomas Sicheritz-Ponten
- Centre of Excellence for Omics-Driven Computational Biodiscovery (COMBio), Faculty of Applied Sciences, AIMST University, Batu 3 1/2, Butik Air Nasi, 08100 Bedong, Kedah, Malaysia
- Evolutionary Genomics Section, Globe Institute, University of Copenhagen,Øster Farimagsgade 5, 1353 Copenhagen, Denmark
| | - Rasmus Nielsen
- Section for GeoGenetics, GLOBE Institute, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
- Departments of Integrative Biology and Statistics, University of California, 3040 Valley Life Sciences, Berkeley, CA 94720-3200, USA
| | - M Thomas P Gilbert
- Section for GeoGenetics, GLOBE Institute, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
- Norwegian University of Science and Technology, University Museum, Høgskolering 1, 7491 Trondheim, Norway
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Andrikou C, Passamaneck YJ, Lowe CJ, Martindale MQ, Hejnol A. Molecular patterning during the development of Phoronopsis harmeri reveals similarities to rhynchonelliform brachiopods. EvoDevo 2019; 10:33. [PMID: 31867094 PMCID: PMC6907167 DOI: 10.1186/s13227-019-0146-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/22/2019] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Phoronids, rhynchonelliform and linguliform brachiopods show striking similarities in their embryonic fate maps, in particular in their axis specification and regionalization. However, although brachiopod development has been studied in detail and demonstrated embryonic patterning as a causal factor of the gastrulation mode (protostomy vs deuterostomy), molecular descriptions are still missing in phoronids. To understand whether phoronids display underlying embryonic molecular mechanisms similar to those of brachiopods, here we report the expression patterns of anterior (otx, gsc, six3/6, nk2.1), posterior (cdx, bra) and endomesodermal (foxA, gata4/5/6, twist) markers during the development of the protostomic phoronid Phoronopsis harmeri. RESULTS The transcription factors foxA, gata4/5/6 and cdx show conserved expression in patterning the development and regionalization of the phoronid embryonic gut, with foxA expressed in the presumptive foregut, gata4/5/6 demarcating the midgut and cdx confined to the hindgut. Furthermore, six3/6, usually a well-conserved anterior marker, shows a remarkably dynamic expression, demarcating not only the apical organ and the oral ectoderm, but also clusters of cells of the developing midgut and the anterior mesoderm, similar to what has been reported for brachiopods, bryozoans and some deuterostome Bilateria. Surprisingly, brachyury, a transcription factor often associated with gastrulation movements and mouth and hindgut development, seems not to be involved with these patterning events in phoronids. CONCLUSIONS Our description and comparison of gene expression patterns with other studied Bilateria reveals that the timing of axis determination and cell fate distribution of the phoronid shows highest similarity to that of rhynchonelliform brachiopods, which is likely related to their shared protostomic mode of development. Despite these similarities, the phoronid Ph. harmeri also shows particularities in its development, which hint to divergences in the arrangement of gene regulatory networks responsible for germ layer formation and axis specification.
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Affiliation(s)
- Carmen Andrikou
- Sars International Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgate 55, 5006 Bergen, Norway
| | - Yale J. Passamaneck
- Whitney Laboratory for Marine Bioscience, University of Florida, 9505 N Ocean Shore Blvd, St. Augustine, FL, 32080 USA
| | - Chris J. Lowe
- Hopkins Marine Station, Department of Biology, Stanford University, 120 Oceanview Blvd., Pacific Grove, CA 93950 USA
| | - Mark Q. Martindale
- Whitney Laboratory for Marine Bioscience, University of Florida, 9505 N Ocean Shore Blvd, St. Augustine, FL, 32080 USA
| | - Andreas Hejnol
- Sars International Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgate 55, 5006 Bergen, Norway
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35
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Kwak HJ, Park JS, Medina Jiménez BI, Park SC, Cho SJ. Spatiotemporal Expression of Anticoagulation Factor Antistasin in Freshwater Leeches. Int J Mol Sci 2019; 20:ijms20163994. [PMID: 31426335 PMCID: PMC6719055 DOI: 10.3390/ijms20163994] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/07/2019] [Accepted: 08/14/2019] [Indexed: 01/19/2023] Open
Abstract
Antistasin, which was originally discovered in the salivary glands of the Mexican leech Haementeria officinalis, was newly isolated from Helobdella austinensis. To confirm the temporal expression of antistasin during embryogenesis, we carried out semi-quantitative RT-PCR. Hau-antistasin1 was uniquely expressed at stage 4 of the cleavage and was strongly expressed in the late stages of organogenesis, as were other antistasin members. In order to confirm the spatial expression of antistasin, we performed fluorescence in situ hybridization in the late stages of organogenesis. The expression of each antistasin in the proboscis showed a similar pattern and varied in expression in the body. In addition, the spatial expression of antistasin orthologs in different leeches showed the possibility of different function across leech species. Hau-antistasin1 was expressed in the same region as hedgehog, which is a known mediator of signal transduction pathway. Hau-antistasin1 is probably a downstream target of Hedgehog signaling, involved in segment polarity signal pathway.
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Affiliation(s)
- Hee-Jin Kwak
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea
| | - Jeong-Su Park
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea
- School of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea
| | - Brenda Irene Medina Jiménez
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea
- Department of Earth Sciences, Paleobiology, Uppsala University, Villavägen 16, 75236 Uppsala, Sweden
| | - Soon Cheol Park
- Department of Life Sciences, Chung-Ang University, Seoul 156-756, Korea
| | - Sung-Jin Cho
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644, Korea.
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36
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Hogvall M, Vellutini BC, Martín-Durán JM, Hejnol A, Budd GE, Janssen R. Embryonic expression of priapulid Wnt genes. Dev Genes Evol 2019; 229:125-135. [PMID: 31273439 PMCID: PMC6647475 DOI: 10.1007/s00427-019-00636-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 06/02/2019] [Indexed: 01/12/2023]
Abstract
Posterior elongation of the developing embryo is a common feature of animal development. One group of genes that is involved in posterior elongation is represented by the Wnt genes, secreted glycoprotein ligands that signal to specific receptors on neighbouring cells and thereby establish cell-to-cell communication. In segmented animals such as annelids and arthropods, Wnt signalling is also likely involved in segment border formation and regionalisation of the segments. Priapulids represent unsegmented worms that are distantly related to arthropods. Despite their interesting phylogenetic position and their importance for the understanding of ecdysozoan evolution, priapulids still represent a highly underinvestigated group of animals. Here, we study the embryonic expression patterns of the complete sets of Wnt genes in the priapulids Priapulus caudatus and Halicryptus spinulosus. We find that both priapulids possess a complete set of 12 Wnt genes. At least in Priapulus, most of these genes are expressed in and around the posterior-located blastopore and thus likely play a role in posterior elongation. Together with previous work on the expression of other genetic factors such as caudal and even-skipped, this suggests that posterior elongation in priapulids is under control of the same (or very similar) conserved gene regulatory network as in arthropods.
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Affiliation(s)
- Mattias Hogvall
- Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, Uppsala, Sweden
| | - Bruno C Vellutini
- Sars International Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgate 55, 5006, Bergen, Norway.,Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstraße 108, 01307, Dresden, Germany
| | - José M Martín-Durán
- Sars International Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgate 55, 5006, Bergen, Norway.,School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Andreas Hejnol
- Sars International Centre for Marine Molecular Biology, University of Bergen, Thormøhlensgate 55, 5006, Bergen, Norway
| | - Graham E Budd
- Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, Uppsala, Sweden
| | - Ralf Janssen
- Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, Uppsala, Sweden.
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37
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Kozin VV, Borisenko IE, Kostyuchenko RP. Establishment of the Axial Polarity and Cell Fate in Metazoa via Canonical Wnt Signaling: New Insights from Sponges and Annelids. BIOL BULL+ 2019. [DOI: 10.1134/s1062359019010035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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38
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Genome-Wide Identification and Expression Profiling of Wnt Family Genes in the Silkworm, Bombyx mori. Int J Mol Sci 2019; 20:ijms20051221. [PMID: 30862048 PMCID: PMC6429082 DOI: 10.3390/ijms20051221] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 03/04/2019] [Accepted: 03/06/2019] [Indexed: 02/07/2023] Open
Abstract
Wnt is a family of conserved glycoproteins that participate in a variety of important biological processes including embryo development, cell proliferation and differentiation, and tissue regeneration. The Wnt family is a metazoan novelty found in all animal phyla. Studies have revealed that the number of Wnt genes varies among species, presumably due to reproduction and loss of genes during evolution. However, a comprehensive inventory of Wnt genes in Lepidoptera is lacking. In this study, we identified the repertoire of Wnt genes in the silkworm and seven other species of Lepidoptera and obtained eight Wnt genes (Wnt1, Wnt5–Wnt7, Wnt9–Wnt11, and WntA) in each species. Four of these Wnt genes are clustered in two orientations (5′-Wnt9-Wnt1-Wnt6-Wnt10-3′ and 5′-Wnt10-Wnt6-Wnt1-Wnt9-3′) in both moths and butterflies. Transcript analysis of Wnt in silkworm embryonic stages showed that each BmWnt gene had a unique expression pattern during embryological development. Analysis of a larval stage revealed differential expression of Wnt family members in diverse tissues. Our study provides an overview of the Wnt family in Lepidoptera and will inspire further functional study of the Wnt genes in the silkworm.
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39
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Liu S, Chen X, Lian S, Dai X, Hu N, Zhang F, Zhang L, Bao Z, Wang S. Genome-wide identification and expression profiling of the Wnt gene family in three bivalve molluscs. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2019; 29:299-307. [DOI: 10.1016/j.cbd.2019.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/19/2018] [Accepted: 01/09/2019] [Indexed: 12/24/2022]
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40
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Kwak HJ, Ryu KB, Medina Jiménez BI, Park SC, Cho SJ. Temporal and spatial expression of the Fox gene family in the Leech Helobdella austinensis. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2018; 330:341-350. [PMID: 30280505 DOI: 10.1002/jez.b.22828] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 08/22/2018] [Indexed: 01/15/2023]
Abstract
The Forkhead box (Fox) gene family is an evolutionarily ancient gene family named after the Drosophila melanogaster forkhead gene (fkh). Fox genes are highly conserved transcription factors critical for embryogenesis and carcinogenesis. In the current study, we report a whole-genome survey of Fox genes and their expression patterns in the leech Helobdella austienesis. Phylogenetic analysis suggests that some Fox genes of leeches are correlated with other Lophotrochozoa and vertebrate Fox genes. Here we have performed semiquantitative reverse transcription polymerase chain reaction and whole-mount in situ hybridization of Fox genes throughout the embryonic development of H. austinensis. We found that each one of the leech Fox genes (FoxA1, FoxA3, FoxC, FoxL2, FoxO1, and FoxO2) is expressed in a specific set of cells or tissue type. From Stages 9-11, Hau-FoxA1 was expressed in the foregut of the anterior region, and Hau-FoxL2 was expressed in mesodermal muscle fiber. Hau-FoxA3 was temporally expressed in the ventral neuroectoderm. At Stage 11, Hau-FoxC was expressed in the foregut. Hau-FoxO genes have a ubiquitous expression. Our results provide more insight on the evolutionary linkage and role of the Fox gene function in Bilateria.
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Affiliation(s)
- Hee-Jin Kwak
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Kyoung-Bin Ryu
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Brenda Irene Medina Jiménez
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Soon Cheol Park
- Department of Life Sciences, Chung-Ang University, Seoul, Republic of Korea
| | - Sung-Jin Cho
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
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41
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Ponz‐Segrelles G, Bleidorn C, Aguado MT. Expression of
vasa
,
piwi
, and
nanos
during gametogenesis in
Typosyllis antoni
(Annelida, Syllidae). Evol Dev 2018; 20:132-145. [DOI: 10.1111/ede.12263] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Guillermo Ponz‐Segrelles
- Departamento de BiologíaFacultad de CienciasUniversidad Autónoma de MadridCantoblancoMadridSpain
| | - Christoph Bleidorn
- Animal Evolution and BiodiversityGeorg‐August‐University GöttingenGöttingenGermany
| | - M. Teresa Aguado
- Departamento de BiologíaFacultad de CienciasUniversidad Autónoma de MadridCantoblancoMadridSpain
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42
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Somorjai IML, Martí-Solans J, Diaz-Gracia M, Nishida H, Imai KS, Escrivà H, Cañestro C, Albalat R. Wnt evolution and function shuffling in liberal and conservative chordate genomes. Genome Biol 2018; 19:98. [PMID: 30045756 PMCID: PMC6060547 DOI: 10.1186/s13059-018-1468-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 06/22/2018] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND What impact gene loss has on the evolution of developmental processes, and how function shuffling has affected retained genes driving essential biological processes, remain open questions in the fields of genome evolution and EvoDevo. To investigate these problems, we have analyzed the evolution of the Wnt ligand repertoire in the chordate phylum as a case study. RESULTS We conduct an exhaustive survey of Wnt genes in genomic databases, identifying 156 Wnt genes in 13 non-vertebrate chordates. This represents the most complete Wnt gene catalog of the chordate subphyla and has allowed us to resolve previous ambiguities about the orthology of many Wnt genes, including the identification of WntA for the first time in chordates. Moreover, we create the first complete expression atlas for the Wnt family during amphioxus development, providing a useful resource to investigate the evolution of Wnt expression throughout the radiation of chordates. CONCLUSIONS Our data underscore extraordinary genomic stasis in cephalochordates, which contrasts with the liberal and dynamic evolutionary patterns of gene loss and duplication in urochordate genomes. Our analysis has allowed us to infer ancestral Wnt functions shared among all chordates, several cases of function shuffling among Wnt paralogs, as well as unique expression domains for Wnt genes that likely reflect functional innovations in each chordate lineage. Finally, we propose a potential relationship between the evolution of WntA and the evolution of the mouth in chordates.
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Affiliation(s)
- Ildikó M L Somorjai
- Biomedical Sciences Research Complex, School of Biology, University of St Andrews, North Haugh, St Andrews, KY16 9ST, Scotland, UK.
- Scottish Oceans Institute, School of Biology, University of St Andrews, East Sands, St Andrews, KY16 8LB, Scotland, UK.
| | - Josep Martí-Solans
- Departament de Genètica, , Microbiologia i Estadística, and Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain
| | - Miriam Diaz-Gracia
- Departament de Genètica, , Microbiologia i Estadística, and Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain
| | - Hiroki Nishida
- Department of Biological Sciences, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043, Japan
| | - Kaoru S Imai
- Department of Biological Sciences, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043, Japan
| | - Hector Escrivà
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Biologie Intégrative des Organismes Marins (BIOM), Observatoire Océanologique, F-66650, Banyuls/Mer, France
| | - Cristian Cañestro
- Departament de Genètica, , Microbiologia i Estadística, and Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain.
| | - Ricard Albalat
- Departament de Genètica, , Microbiologia i Estadística, and Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona, Barcelona, Spain.
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Boyan BD, Olivares-Navarrete R, Berger MB, Hyzy SL, Schwartz Z. Role of Wnt11 during Osteogenic Differentiation of Human Mesenchymal Stem Cells on Microstructured Titanium Surfaces. Sci Rep 2018; 8:8588. [PMID: 29872092 PMCID: PMC5988747 DOI: 10.1038/s41598-018-26901-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 05/18/2018] [Indexed: 01/09/2023] Open
Abstract
Successful osseointegration of an endosseous implant involves migration and differentiation of mesenchymal stem cells (MSCs) on the implant surface. Micro-structured, hydrophilic titanium surfaces direct MSCs to undergo osteoblastic differentiation in vitro, in the absence of media additives commonly used in cultures grown on tissue culture polystyrene (TCPS). This process involves non-canonical Wnt5a, in contrast to canonical Wnt3a typically credited with osteoblastic differentiation on TCPS. Wnt proteins have been implicated in morphological development and tissue patterning, suggesting that additional Wnts may participate. Here, we demonstrate that Wnt11 is a mediator of osteoblast commitment of MSCs, and increases in a surface-roughness dependent manner. Experiments using cells silenced for Wnt11 indicate that cross-talk between Wnt5a and Wnt11 occurs. Wnt11 potentially acts upstream to Wnt5a, increasing Wnt5a expression and factors associated with osteogenesis. Thus, Wnt11 contributes to peri-implant bone formation distal to the implant surface through a heavily regulated signaling cascade of autocrine/paracrine proteins.
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Affiliation(s)
- Barbara D Boyan
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA. .,Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
| | - Rene Olivares-Navarrete
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Michael B Berger
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Sharon L Hyzy
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Zvi Schwartz
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA.,Department of Periodontics, University of Texas Health Science Center at San Antonio, San Antonio, Texas, 78229, USA
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Du J, Zhang X, Yuan J, Zhang X, Li F, Xiang J. Wnt gene family members and their expression profiling in Litopenaeus vannamei. FISH & SHELLFISH IMMUNOLOGY 2018; 77:233-243. [PMID: 29567137 DOI: 10.1016/j.fsi.2018.03.034] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 03/13/2018] [Accepted: 03/17/2018] [Indexed: 06/08/2023]
Abstract
The Wnt gene family encodes secreted glycoproteins involved in a wide variety of biological processes, including embryo development, cell proliferation and differentiation, and tissue regeneration. The Wnt pathway exists in all metazoan animals, however, the relevant research is rare in crustaceans. Here we described 12 Wnt genes representing 12 Wnt gene subfamilies in the Pacific white shrimp, Litopenaeus vannamei. Based on homolog annotations and phylogenetic analyses, we named these 12 Wnt genes as LvWnt1, LvWnt2, LvWnt4-11, LvWnt16, and LvWntA. All the corresponding LvWnt proteins shared a conserved Wnt1 domain and 22 conserved cysteine residues. LvWnt1 and LvWnt6 were adjacent in a scaffold in the shrimp genome. Furthermore, we performed expression analyses of LvWnt genes at different developmental stages, during the molting process, in different tissues and after different pathogenic infection. We showed that each LvWnt gene had a unique expression pattern at different developmental stages but only a few of them expressed in adult shrimp. All the investigated LvWnt genes were initially expressed at the gastrula or limb bud embryo stages. Among them, LvWnt8 was specifically high expressed only in early embryos. LvWntA and LvWnt5 displayed high and similar expression profiles during the molting process, and LvWnt6 and LvWnt16 were specifically expressed in the thoracic ganglion, ventral nerve, intestines and gill tissues, respectively. We also found the expression of LvWntA, LvWnt5, LvWnt6, LvWnt9, and LvWnt16 were varied in the different tissues after infected with Staphylococcus aureus, Vibrio parahaemolyticus and white spot syndrome virus (WSSV), which indicated that they might participate in immune response in L. vannamei. This study provided an insight into the repertoire of the Wnt gene structure and expression in shrimps, and furthermore, might promote the understanding of development, growth and immune response of shrimps and crustaceans.
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Affiliation(s)
- Jiangli Du
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaojun Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
| | - Jianbo Yuan
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Xiaoxi Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fuhua Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Jianhai Xiang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
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Darras S, Fritzenwanker JH, Uhlinger KR, Farrelly E, Pani AM, Hurley IA, Norris RP, Osovitz M, Terasaki M, Wu M, Aronowicz J, Kirschner M, Gerhart JC, Lowe CJ. Anteroposterior axis patterning by early canonical Wnt signaling during hemichordate development. PLoS Biol 2018; 16:e2003698. [PMID: 29337984 PMCID: PMC5786327 DOI: 10.1371/journal.pbio.2003698] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 01/26/2018] [Accepted: 12/22/2017] [Indexed: 12/28/2022] Open
Abstract
The Wnt family of secreted proteins has been proposed to play a conserved role in early specification of the bilaterian anteroposterior (A/P) axis. This hypothesis is based predominantly on data from vertebrate embryogenesis as well as planarian regeneration and homeostasis, indicating that canonical Wnt (cWnt) signaling endows cells with positional information along the A/P axis. Outside of these phyla, there is strong support for a conserved role of cWnt signaling in the repression of anterior fates, but little comparative support for a conserved role in promotion of posterior fates. We further test the hypothesis by investigating the role of cWnt signaling during early patterning along the A/P axis of the hemichordate Saccoglossus kowalevskii. We have cloned and investigated the expression of the complete Wnt ligand and Frizzled receptor complement of S. kowalevskii during early development along with many secreted Wnt modifiers. Eleven of the 13 Wnt ligands are ectodermally expressed in overlapping domains, predominantly in the posterior, and Wnt antagonists are localized predominantly to the anterior ectoderm in a pattern reminiscent of their distribution in vertebrate embryos. Overexpression and knockdown experiments, in combination with embryological manipulations, establish the importance of cWnt signaling for repression of anterior fates and activation of mid-axial ectodermal fates during the early development of S. kowalevskii. However, surprisingly, terminal posterior fates, defined by posterior Hox genes, are unresponsive to manipulation of cWnt levels during the early establishment of the A/P axis at late blastula and early gastrula. We establish experimental support for a conserved role of Wnt signaling in the early specification of the A/P axis during deuterostome body plan diversification, and further build support for an ancestral role of this pathway in early evolution of the bilaterian A/P axis. We find strong support for a role of cWnt in suppression of anterior fates and promotion of mid-axial fates, but we find no evidence that cWnt signaling plays a role in the early specification of the most posterior axial fates in S. kowalevskii. This posterior autonomy may be a conserved feature of early deuterostome axis specification.
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Affiliation(s)
- Sébastien Darras
- Institut de Biologie du Développement de Marseille, Aix-Marseille Université, CNRS UMR 7288, Marseille, France
| | - Jens H. Fritzenwanker
- Hopkins Marine Station, Department of Biology, Stanford University, Pacific Grove, California
| | - Kevin R. Uhlinger
- Hopkins Marine Station, Department of Biology, Stanford University, Pacific Grove, California
| | - Ellyn Farrelly
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois
| | - Ariel M. Pani
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois
| | - Imogen A. Hurley
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois
| | - Rachael P. Norris
- Department of Cell Biology, University of Connecticut Health Center, Farmington, Connecticut
| | - Michelle Osovitz
- Department of Natural Sciences, St. Petersburg College, Clearwater, Florida
| | - Mark Terasaki
- Department of Cell Biology, University of Connecticut Health Center, Farmington, Connecticut
| | - Mike Wu
- Department of Molecular and Cellular Biology, University of California Berkeley, Berkeley, California
| | - Jochanan Aronowicz
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois
| | - Marc Kirschner
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts
| | - John C. Gerhart
- Department of Molecular and Cellular Biology, University of California Berkeley, Berkeley, California
| | - Christopher J. Lowe
- Hopkins Marine Station, Department of Biology, Stanford University, Pacific Grove, California
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Medina Jiménez BI, Kwak HJ, Park JS, Kim JW, Cho SJ. Developmental biology and potential use of Alboglossiphonia lata (Annelida: Hirudinea) as an "Evo-Devo" model organism. Front Zool 2017; 14:60. [PMID: 29299039 PMCID: PMC5745604 DOI: 10.1186/s12983-017-0240-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 10/27/2017] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND The need for the adaptation of species of annelids as "Evo-Devo" model organisms of the superphylum Lophotrochozoa to refine the understanding of the phylogenetic relationships between bilaterian organisms, has promoted an increase in the studies dealing with embryonic development among related species such as leeches from the Glossiphoniidae family. The present study aims to describe the embryogenesis of Alboglossiphonia lata (Oka, 1910), a freshwater glossiphoniid leech, chiefly distributed in East Asia, and validate standard molecular biology techniques to support the use of this species as an additional model for "Evo-Devo" studies. RESULTS A. lata undergoes direct development, and follows the highly conserved clitellate annelid mode of spiral cleavage development; the duration from the egg laying to the juvenile stage is ~7.5 days, and it is iteroparous, indicating that it feeds and deposits eggs again after the first round of brooding, as described in several other glossiphoniid leech species studied to date. The embryos hatch only after complete organ development and proboscis retraction, which has not yet been observed in other glossiphoniid genera. The phylogenetic position of A. lata within the Glossiphoniidae family has been confirmed using cytochrome c oxidase subunit 1 (CO1) sequencing. Lineage tracer injections confirmed the fates of the presumptive meso- and ectodermal precursors, and immunostaining showed the formation of the ventral nerve system during later stages of development. Further, the spatiotemporal expression of an EF-hand calcium-binding protein Calsensin ortholog was characterized, which showed a specific pattern in both the ventral and peripheral nervous systems during the later stages. CONCLUSIONS Our description of the embryonic development of A. lata under laboratory conditions provides new data for further comparative studies with other leech and lophotrochozoa model organisms. Moreover, it offers a basis for the establishment of this species as a model for future "Evo-Devo" studies.
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Affiliation(s)
- Brenda Irene Medina Jiménez
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644 Republic of Korea
| | - Hee-Jin Kwak
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644 Republic of Korea
| | - Jong-Seok Park
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644 Republic of Korea
| | - Jung-Woong Kim
- Department of Life Science, College of Natural Sciences, Chung-Ang University, Seoul, 06974 Republic of Korea
| | - Sung-Jin Cho
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk 28644 Republic of Korea
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47
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Expression patterns of duplicated snail genes in the leech Helobdella. Dev Genes Evol 2017; 227:415-421. [DOI: 10.1007/s00427-017-0598-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 11/23/2017] [Indexed: 01/28/2023]
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48
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Tortelote GG, Reis RR, de Almeida Mendes F, Abreu JG. Complexity of the Wnt/β‑catenin pathway: Searching for an activation model. Cell Signal 2017; 40:30-43. [PMID: 28844868 DOI: 10.1016/j.cellsig.2017.08.008] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 08/08/2017] [Accepted: 08/23/2017] [Indexed: 12/13/2022]
Abstract
Wnt signaling refers to a conserved signaling pathway, widely studied due to its roles in cellular communication, cell fate decisions, development and cancer. However, the exact mechanism underlying inhibition of the GSK phosphorylation towards β-catenin and activation of the pathway after biding of Wnt ligand to its cognate receptors at the plasma membrane remains unclear. Wnt target genes are widely spread over several animal phyla. They participate in a plethora of functions during the development of an organism, from axial specification, gastrulation and organogenesis all the way to regeneration and repair in adults. Temporal and spatial oncogenetic re-activation of Wnt signaling almost certainly leads to cancer. Wnt signaling components have been extensively studied as possible targets in anti-cancer therapies. In this review we will discuss one of the most intriguing questions in this field, that is how β-catenin, a major component in this pathway, escapes the destruction complex, gets stabilized in the cytosol and it is translocated to the nucleus where it acts as a co-transcription factor. Four major models have evolved during the past 20years. We dissected each of them along with current views and future perspectives on this pathway. This review will focus on the molecular mechanisms by which Wnt proteins modulate β-catenin cytoplasmic levels and the relevance of this pathway for the development and cancer.
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Affiliation(s)
- Giovane G Tortelote
- Carlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Renata R Reis
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fabio de Almeida Mendes
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jose Garcia Abreu
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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Kim JS, Jiménez BIM, Kwak HJ, Park SC, Xiao P, Weisblat DA, Cho SJ. Spatiotemporal expression of a twist homolog in the leech Helobdella austinensis. Dev Genes Evol 2017; 227:245-252. [PMID: 28699036 DOI: 10.1007/s00427-017-0585-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Accepted: 06/27/2017] [Indexed: 11/28/2022]
Abstract
Genes of the twist family encode bHLH transcription factors known to be involved in the regulation and differentiation of early mesoderm. Here, we report our characterization of Hau-twist, a twist homolog from the leech Helobdella austinensis, a tractable lophotrochozoan representative. Hau-twist was expressed in segmental founder cells of the mesodermal lineage, in subsets of cells within the mesodermal lineage of the germinal plate, in circumferential muscle fibers of a provisional integument during segmentation and organogenesis stages and on the ventral side of the developing proboscis. Thus, consistent with other systems, our results suggest that twist gene of the leech Helobdella might function in mesoderm differentiation.
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Affiliation(s)
- Jin-Se Kim
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Brenda Irene Medina Jiménez
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Hee-Jin Kwak
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Soon Cheol Park
- Department of Life Sciences, Chung-Ang University, Seoul, 156-756, Republic of Korea
| | - Ping Xiao
- Department of Molecular and Cell Biology, 385 LSA, University of California, Berkeley, CA, 94720-3200, USA
| | - David A Weisblat
- Department of Molecular and Cell Biology, 385 LSA, University of California, Berkeley, CA, 94720-3200, USA.
| | - Sung-Jin Cho
- School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea. .,Department of Molecular and Cell Biology, 385 LSA, University of California, Berkeley, CA, 94720-3200, USA.
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50
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Kuo DH. The polychaete-to-clitellate transition: An EvoDevo perspective. Dev Biol 2017; 427:230-240. [DOI: 10.1016/j.ydbio.2017.01.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 01/23/2017] [Accepted: 01/24/2017] [Indexed: 01/21/2023]
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