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Li J, Zhao M, Zhang X, Zheng Z, Yao D, Yang S, Chen T, Zhang Y, Aweya JJ. The evolutionary adaptation of shrimp hemocyanin subtypes and the consequences on their structure and functions. FISH & SHELLFISH IMMUNOLOGY 2024; 145:109347. [PMID: 38160900 DOI: 10.1016/j.fsi.2023.109347] [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: 11/16/2023] [Revised: 12/22/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
Hemocyanin is the main respiratory protein of arthropods and is formed by hexameric and/or oligomeric subunits. Due to changes in the living environment and gene rearrangement, various hemocyanin subtypes and subunits evolved in crustaceans. This paper reviews the various hemocyanin subtypes and isoforms in shrimp and analyses published genomic data of sixteen hemocyanin family genes from Litopenaeus vannamei to explore the evolution of hemocyanin genes, subunits, and protein structure. Analysis of hemocyanin subtypes distribution and structure in various tissues was also performed and related to multiple and tissue-specific functions, i.e., immunological activity, immune signaling, phenoloxidase activity, modulation of microbiota homeostasis, and energy metabolism. The functional diversity of shrimp hemocyanin due to molecular polymorphism, transcriptional regulation, alternative splicing, degradation into functional peptides, interaction with other proteins or genes, and structural differences will also be highlighted for future research. Inferences would be drawn from other crustaceans to explain how evolution has changed the structure-function of hemocyanin and its implication for evolutionary research into the multifunctionality of hemocyanin and other related proteins in shrimp.
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Affiliation(s)
- Jiaxi Li
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China
| | - Mingming Zhao
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China
| | - Xin Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Zhihong Zheng
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China
| | - Defu Yao
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China
| | - Shen Yang
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, College of Ocean Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Ting Chen
- Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Yueling Zhang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, 515063, China.
| | - Jude Juventus Aweya
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering, College of Ocean Food and Biological Engineering, Jimei University, Xiamen, 361021, China.
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2
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Dittrich K, Wipfler B. A review of the hexapod tracheal system with a focus on the apterygote groups. ARTHROPOD STRUCTURE & DEVELOPMENT 2021; 63:101072. [PMID: 34098323 DOI: 10.1016/j.asd.2021.101072] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 06/12/2023]
Abstract
Respiratory systems are key innovations for the radiation of terrestrial arthropods. It is therefore surprising that there is still a considerable lack of knowledge. In this review of the available information on tracheal systems of hexapods (with a focus on the apterygote lineages Protura, Collembola, Diplura, Archaeognatha and Zygentoma), we summarize available data on the spiracles (number, position and morphology), the shape and variability of tracheal branching patterns including anastomoses, the tracheal fine structure and the respiratory proteins. The available data are strongly fragmented, and information for most subgroups is missing. In various cases, individual observations for one species account for the knowledge of the entire order. The available data show that there are strong differences between but also within apterygote orders. We conclude that the available data are insufficient to derive detailed conclusions on the hexapod ground plan and outline the possible evolutionary scenarios for the tracheal system in this group.
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Affiliation(s)
- Kathleen Dittrich
- Zoological Research Museum Alexander Koenig, Adenauerallee 160, 53113, Bonn, Germany.
| | - Benjamin Wipfler
- Zoological Research Museum Alexander Koenig, Adenauerallee 160, 53113, Bonn, Germany.
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3
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Purification, characterization and biological functions of metalloprotein isolated from haemolymph of mud crab Scylla serrata (Forskal, 1775). Int J Biol Macromol 2020; 164:3901-3908. [PMID: 32889000 DOI: 10.1016/j.ijbiomac.2020.08.228] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 08/28/2020] [Accepted: 08/29/2020] [Indexed: 11/22/2022]
Abstract
In recent years, an enormous number of naturally occurring biological macromolecules has been reported worldwide due to its antibacterial and anticancerous potential. Among them, in this study, the copper containing respiratory protein namely haemocyanin (HC) was isolated from the haemolymph of mud crab Scylla serrata. The isolated metalloprotein HC was purified using Sepharose column by gel filtration chromatography. The purified HC was separated by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) and molecular weight of the protein was identified as 95 kDa. Fourier transform infrared spectrophotometer (FT-IR) and nuclear magnetic resonance (1H NMR) spectral data revealed the presence of amino acid constituents. Liquid chromatography tandem mass spectrometry (LC-MS/MS) analysis based mass ion search exposed that the purified protein was HC. HC exhibited an in vitro bacteriostatic effects against the bacterial pathogens and also elevated ROS levels in the treated samples. The half maximal (50%) inhibitory concentration (IC50) of HC was found to be 80 μg/mL against lung cancer cells (A549). Our study collectively addressed the potential antibacterial and anti-cancerous activity of HC. The results obtained from this study suggest that HC can be used for therapeutical application in the near future.
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4
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Gamboa M. Hemocyanin and hexamerins expression in response to hypoxia in stoneflies (Plecoptera, Insecta). ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2020; 105:e21743. [PMID: 32979236 DOI: 10.1002/arch.21743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/08/2020] [Accepted: 09/09/2020] [Indexed: 06/11/2023]
Abstract
Many freshwater ecosystems worldwide undergo hypoxia events that can trigger physiological, behavioral, and molecular responses in many organisms. Among such molecular responses, the regulation of the hemocyanin (Hc) protein expression which plays a major role in oxygen transportation within aquatic insects remains poorly understood. The stoneflies (Plecoptera) are aquatic insects that possess a functional Hc in the hemolymph similar to crustacean that co-occurs with a nonfunctional Hc protein, hexamerins (Hx). However, the role of both proteins during hypoxia remains undetermined. Here, we evaluated the effect of hypoxia on the expression of Hc and Hx proteins via a comparison between hypoxia and normoxia amino acid sequence variation and protein expression pattern within 23 stonefly species. We induced short-term hypoxia in wild-caught stoneflies species, sequenced the target region of Hc and Hx by complementary DNA synthesis, characterized the protein biochemistry using sodium dodecyl sulfate-polyacrylamide gel electrophoresis, ultrafiltration, and polarographic fluorometric method, and amplified the genome region of the hypoxia-inducible factor (HIF) transcriptional response element that regulated Hc using genome walking library approach. We found a lack of Hc expression in all examined species during hypoxia conditions, despite recognition of the HIF gene region as a possible regulatory factor of Hc, suggesting that compensatory responses as metabolic changes or behavioral tracheal movements to enhance respiratory efficiency could be possible mechanics to compensate for hypoxia. A short Hc-like novel isoform was detected instead in these 23 species, possibly due to either protein degradation or alternative splicing mechanisms, suggesting that the protein could be performing a different function other than oxygen transportation. Hx during hypoxia was expressed and exhibited species-level amino acid changes, highlighting a possible role during hypoxia. Our results demonstrate that hypoxia could enable a similar potential adaptive response of multiple species regarding specific physiological requirements, thereby shedding light on community behavior in stress environments that may help us to improve conservation practices and biomonitoring.
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Affiliation(s)
- Maribet Gamboa
- Department of Civil and Environmental Engineering, Faculty of Engineering, Ehime University, Matsuyama, Japan
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5
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Prothmann A, Hoffmann FG, Opazo JC, Herbener P, Storz JF, Burmester T, Hankeln T. The Globin Gene Family in Arthropods: Evolution and Functional Diversity. Front Genet 2020; 11:858. [PMID: 32922435 PMCID: PMC7457136 DOI: 10.3389/fgene.2020.00858] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 07/14/2020] [Indexed: 01/23/2023] Open
Abstract
Globins are small heme-proteins that reversibly bind oxygen. Their most prominent roles in vertebrates are the transport and storage of O2 for oxidative energy metabolism, but recent research has suggested alternative, non-respiratory globin functions. In the species-rich and ecologically highly diverse taxon of arthropods, the copper-containing hemocyanin is considered the main respiratory protein. However, recent studies have suggested the presence of globin genes and their proteins in arthropod taxa, including model species like Drosophila. To systematically assess the taxonomic distribution, evolution and diversity of globins in arthropods, we systematically searched transcriptome and genome sequence data and found a conserved, widespread occurrence of three globin classes in arthropods: hemoglobin-like (HbL), globin X (GbX), and globin X-like (GbXL) protein lineages. These globin types were previously identified in protostome and deuterostome animals including vertebrates, suggesting their early ancestry in Metazoa. The HbL genes show multiple, lineage-specific gene duplications in all major arthropod clades. Some HbL genes (e.g., Glob2 and 3 of Drosophila) display particularly fast substitution rates, possibly indicating the evolution of novel functions, e.g., in spermatogenesis. In contrast, arthropod GbX and GbXL globin genes show high evolutionary stability: GbXL is represented by a single-copy gene in all arthropod groups except Brachycera, and representatives of the GbX clade are present in all examined taxa except holometabolan insects. GbX and GbXL both show a brain-specific expression. Most arthropod GbX and GbXL proteins, but also some HbL variants, include sequence motifs indicative of potential N-terminal acylation (i.e., N-myristoylation, 3C-palmitoylation). All arthropods except for the brachyceran Diptera harbor at least one such potentially acylated globin copy, confirming the hypothesis of an essential, conserved globin function associated with the cell membrane. In contrast to other animals, the fourth ancient globin lineage, represented by neuroglobin, appears to be absent in arthropods, and the putative arthropod orthologs of the fifth metazoan globin lineage, androglobin, lack a recognizable globin domain. Thus, the remarkable evolutionary stability of some globin variants is contrasted by occasional dynamic gene multiplication or even loss of otherwise strongly conserved globin lineages in arthropod phylogeny.
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Affiliation(s)
- Andreas Prothmann
- Institute of Organismic and Molecular Evolution, Molecular Genetics and Genome Analysis, University of Mainz, Mainz, Germany
| | - Federico G Hoffmann
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi, MS, United States.,Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Mississippi, MS, United States
| | - Juan C Opazo
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile.,Millennium Nucleus of Ion Channels-Associated Diseases (MiNICAD), Valdivia, Chile
| | - Peter Herbener
- Institute of Organismic and Molecular Evolution, Molecular Genetics and Genome Analysis, University of Mainz, Mainz, Germany
| | - Jay F Storz
- School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE, United States
| | | | - Thomas Hankeln
- Institute of Organismic and Molecular Evolution, Molecular Genetics and Genome Analysis, University of Mainz, Mainz, Germany
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6
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Riciluca KCT, Borges AC, Mello JFR, de Oliveira UC, Serdan DC, Florez-Ariza A, Chaparro E, Nishiyama MY, Cassago A, Junqueira-de-Azevedo ILM, van Heel M, Silva PI, Portugal RV. Myriapod haemocyanin: the first three-dimensional reconstruction of Scolopendra subspinipes and preliminary structural analysis of S. viridicornis. Open Biol 2020; 10:190258. [PMID: 32228398 PMCID: PMC7241075 DOI: 10.1098/rsob.190258] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Haemocyanins (Hcs) are copper-containing, respiratory proteins that occur in the haemolymph of many arthropod species. Here, we report the presence of Hcs in the chilopode Myriapoda, demonstrating that these proteins are more widespread among the Arthropoda than previously thought. The analysis of transcriptome of S. subspinipes subpinipes reveals the presence of two distinct subunits of Hc, where the signal peptide is present, and six of prophenoloxidase (PPO), where the signal peptide is absent, in the 75 kDa range. Size exclusion chromatography profiles indicate different quaternary organization for Hc of both species, which was corroborated by TEM analysis: S. viridicornis Hc is a 6 × 6-mer and S. subspinipes Hc is a 3 × 6-mer, which resembles the half-structure of the 6 × 6-mer but also includes the presence of phenoloxidases, since the 1 × 6-mer quaternary organization is commonly associated with hexamers of PPO. Studies with Chelicerata showed that PPO activity are exclusively associated with the Hcs. This study indicates that Scolopendra may have different proteins playing oxygen transport (Hc) and PO function, both following the hexameric oligomerization observed in Hcs.
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Affiliation(s)
- K C T Riciluca
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil.,Laboratório de Toxinologia Aplicada (LETA), Centro de Toxinas, Imuno-Resposta e Sinalização Celular (CeTICS/CEPID) - Instituto Butantan, São Paulo, Brazil
| | - A C Borges
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil
| | - J F R Mello
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil
| | - U C de Oliveira
- Laboratório de Toxinologia Aplicada (LETA), Centro de Toxinas, Imuno-Resposta e Sinalização Celular (CeTICS/CEPID) - Instituto Butantan, São Paulo, Brazil
| | - D C Serdan
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil
| | - A Florez-Ariza
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil
| | - E Chaparro
- Laboratório de Toxinologia Aplicada (LETA), Centro de Toxinas, Imuno-Resposta e Sinalização Celular (CeTICS/CEPID) - Instituto Butantan, São Paulo, Brazil.,Interunidades em Biotecnologia, Universidade de São Paulo, São Paulo, Brazil
| | - M Y Nishiyama
- Laboratório de Toxinologia Aplicada (LETA), Centro de Toxinas, Imuno-Resposta e Sinalização Celular (CeTICS/CEPID) - Instituto Butantan, São Paulo, Brazil
| | - A Cassago
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil
| | - I L M Junqueira-de-Azevedo
- Laboratório de Toxinologia Aplicada (LETA), Centro de Toxinas, Imuno-Resposta e Sinalização Celular (CeTICS/CEPID) - Instituto Butantan, São Paulo, Brazil
| | - M van Heel
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil
| | - P I Silva
- Laboratório de Toxinologia Aplicada (LETA), Centro de Toxinas, Imuno-Resposta e Sinalização Celular (CeTICS/CEPID) - Instituto Butantan, São Paulo, Brazil.,Interunidades em Biotecnologia, Universidade de São Paulo, São Paulo, Brazil
| | - R V Portugal
- Laboratório Nacional de Nanotecnologia (LNNano), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), CEP 13083-970, Campinas, Brazil
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7
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Jaglarz MK, Tworzydlo W, Rak A, Kotula-Balak M, Sekula M, Bilinski SM. Viviparity in the dermapteran Arixenia esau: respiration inside mother's body requires both maternal and larval contribution. PROTOPLASMA 2019; 256:1573-1584. [PMID: 31218520 PMCID: PMC6820587 DOI: 10.1007/s00709-019-01402-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 06/06/2019] [Indexed: 06/09/2023]
Abstract
Earwigs (Dermaptera) use different strategies to increase their reproductive success. Most species lay eggs; however, viviparity of the matrotrophic type has been reported in two groups: Hemimeridae and Arixeniidae. In Arixeniidae, offspring develop in two separate places: inside an ovary (the intraovarian phase) and within a uterus (the intrauterine phase). Both morphological and physiological aspects of viviparity in Arixeniidae have begun to be unraveled only recently. Here, we characterize how the first instar larvae of Arixenia esau, developing inside the mother's reproductive system, manage respiration and gas exchange. Using modern light and electron microscopy techniques as well as immunological approach, we provide a detailed account of the maternal and larval tissue interactions during the intrauterine development. We demonstrate that respiration in the Arixenia first instar larvae relies on the extensive tracheal system of the mother as well as a respiratory pigment (hemocyanin) present within the body cavity of the larvae. Our results indicate that the larval fat body tissue is the likely place of the hemocyanin synthesis. Our study shows that characteristic cone-shaped lobes of the outgrowths located on the larval abdomen are a part of a placenta-like organ and mediate the gas exchange between the maternal and larval organisms. Based on the obtained results, we propose that Arixenia esau evolved a unique biphasic system supporting respiration of the first instar larvae during their development inside the mother's reproductive tract.
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Affiliation(s)
- Mariusz K Jaglarz
- Department of Developmental Biology and Invertebrate Morphology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387, Krakow, Poland.
| | - Waclaw Tworzydlo
- Department of Developmental Biology and Invertebrate Morphology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387, Krakow, Poland
| | - Agnieszka Rak
- Department of Physiology and Toxicology of Reproduction, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387, Krakow, Poland
| | - Malgorzata Kotula-Balak
- Department of Endocrinology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387, Krakow, Poland
| | - Malgorzata Sekula
- Department of Developmental Biology and Invertebrate Morphology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387, Krakow, Poland
| | - Szczepan M Bilinski
- Department of Developmental Biology and Invertebrate Morphology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387, Krakow, Poland
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8
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Liang Y, Xie W, Luan Y. Developmental expression and evolution of hexamerin and haemocyanin from Folsomia candida (Collembola). INSECT MOLECULAR BIOLOGY 2019; 28:716-727. [PMID: 30953580 PMCID: PMC6850205 DOI: 10.1111/imb.12585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Haemocyanins constitute a group of copper-containing respiratory proteins, and hexamerins were derived from hexapod haemocyanin but lost the ability to transport oxygen and serve as storage proteins. Although hexamerins have been reported in most insect species, none of them has been identified in Collembola, one of the most primitive hexapod lineages, thereby preventing us from exploring relevant evolutionary scenarios regarding the origin and evolution of hexamerins in hexapods. Here we report on collembolan hexamerins for the first time, and investigated the temporal expression profiles of hexamerin and haemocyanin in the collembolan Folsomia candida. Haemocyanin was expressed over the entire life cycle, with higher expression at the embryonic stage than at other stages, whereas hexamerin expression was restricted to embryos, unlike insect hexamerins, which are generally expressed from larval to adult stages. A phylogenetic analysis and molecular clock estimation suggested that all investigated hexapod hexamerins have a single and ancient origin (~423 Ma), coincident with the rise of atmospheric oxygen levels in the Silurian-Devonian period, indicating a physiological link between molecular evolution and Palaeozoic oxygen changes.
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Affiliation(s)
- Y. Liang
- Key Laboratory of Insect Developmental and Evolutionary BiologyShanghai Institute of Plant Physiology and Ecology, Chinese Academy of SciencesShanghaiChina
- School of Biological and Chemical Sciences, Queen Mary University of LondonLondonUK
| | - W. Xie
- Key Laboratory of Insect Developmental and Evolutionary BiologyShanghai Institute of Plant Physiology and Ecology, Chinese Academy of SciencesShanghaiChina
| | - Y.‐X. Luan
- Key Laboratory of Insect Developmental and Evolutionary BiologyShanghai Institute of Plant Physiology and Ecology, Chinese Academy of SciencesShanghaiChina
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied TechnologyInstitute of Insect Science and Technology, School of Life Sciences, South China Normal UniversityGuangzhouChina
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9
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Jumping on the Edge-First Evidence for a 2 × 6-meric Hemocyanin in Springtails. Biomolecules 2019; 9:biom9090396. [PMID: 31443418 PMCID: PMC6769593 DOI: 10.3390/biom9090396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/16/2019] [Accepted: 08/18/2019] [Indexed: 11/16/2022] Open
Abstract
Hemocyanins are respiratory dioxygen carrier proteins found in many arthropods including ancient terrestrial species such as spiders and scorpions as well as marine horseshoe crabs. As hemocyanins are highly conserved in this lineage, it is possible to observe an evolutionary descent through its subunits and their overall structure. Unfortunately, little is known about the structure and function of hexapod hemocyanins. Using recent springtail taxa (Collembola) as models for basal hexapods, and the help of electron microscopy, light scattering, SDS PAGE, and Western blot, we could demonstrate for the first time the presence of 2 × 6-meric hemocyanins in the hemolymph of hexapods. The quaternary structure is composed of at least two different subunits and looks nearly identical to the hemocyanin found in decapod crustaceans. In addition, homology modeling and western blotting suggest a close structural relationship between collembolan and crustacean hemocyanin. Such a respiratory protein was possibly helpful in the early terrestrialization process of ancient Collembola. In addition, physiological adaptations to hypoxic or temporarily anoxic conditions could be a possible explanation for the presence of this respiratory protein. Nevertheless, it has to be concluded that the primary benefit of hemocyanin for springtails remains unclear.
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10
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Scherbaum S, Hellmann N, Fernández R, Pick C, Burmester T. Diversity, evolution, and function of myriapod hemocyanins. BMC Evol Biol 2018; 18:107. [PMID: 29976142 PMCID: PMC6034248 DOI: 10.1186/s12862-018-1221-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 06/24/2018] [Indexed: 11/16/2022] Open
Abstract
Background Hemocyanin transports O2 in the hemolymph of many arthropod species. Such respiratory proteins have long been considered unnecessary in Myriapoda. As a result, the presence of hemocyanin in Myriapoda has long been overlooked. We analyzed transcriptome and genome sequences from all major myriapod taxa – Chilopoda, Diplopoda, Symphyla, and Pauropoda – with the aim of identifying hemocyanin-like proteins. Results We investigated the genomes and transcriptomes of 56 myriapod species and identified 46 novel full-length hemocyanin subunit sequences in 20 species of Chilopoda, Diplopoda, and Symphyla, but not Pauropoda. We found in Cleidogona sp. (Diplopoda, Chordeumatida) a hemocyanin-like sequence with mutated copper-binding centers, which cannot bind O2. An RNA-seq approach showed markedly different hemocyanin mRNA levels from ~ 6 to 25,000 reads per kilobase per million reads. To evaluate the contribution of hemocyanin to O2 transport, we specifically studied the hemocyanin of the centipede Scolopendra dehaani. This species harbors two distinct hemocyanin subunits with low expression levels. We showed cooperative O2 binding in the S. dehaani hemolymph, indicating that hemocyanin supports O2 transport even at low concentration. Further, we demonstrated that hemocyanin is > 1500-fold more highly expressed in the fertilized egg than in the adult. Conclusion Hemocyanin was most likely the respiratory protein in the myriapod stem-lineage, but multiple taxa may have independently lost hemocyanin and thus the ability of efficient O2 transport. In myriapods, hemocyanin is much more widespread than initially appreciated. Some myriapods express hemocyanin only at low levels, which are, nevertheless, sufficient for O2 supply. Notably, also in myriapods, a non-respiratory protein similar to insect storage hexamerins evolved from the hemocyanin. Electronic supplementary material The online version of this article (10.1186/s12862-018-1221-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | - Nadja Hellmann
- Institute for Biophysics, Johannes Gutenberg University of Mainz, D-55099, Mainz, Germany
| | - Rosa Fernández
- Museum of Comparative Zoology & Department of Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA, 02138, USA.,Bioinformatics & Genomics Unit, Center for Genomic Regulation, 08004, Barcelona, Spain
| | - Christian Pick
- Institute of Zoology, University of Hamburg, D-20146, Hamburg, Germany
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11
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Raś M, Iwan D, Kamiński MJ. The tracheal system in post-embryonic development of holometabolous insects: a case study using the mealworm beetle. J Anat 2018; 232:997-1015. [PMID: 29574917 PMCID: PMC5980188 DOI: 10.1111/joa.12808] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2018] [Indexed: 12/11/2022] Open
Abstract
The tracheal (respiratory) system is regarded as one of the key elements which enabled insects to conquer terrestrial habitats and, as a result, achieve extreme species diversity. Despite this fact, anatomical data concerning this biological system is relatively scarce, especially in an ontogenetic context. The purpose of this study is to provide novel and reliable information on the post-embryonic development of the tracheal system of holometabolous insects using micro-computed tomography methods. Data concerning the structure of the respiratory system acquired from different developmental stages (larvae, pupae and adults) of a single insect species (Tenebrio molitor) are co-analysed in detail. Anatomy of the tracheal system is presented. Sample sizes used (29 individuals) enabled statistical analysis of the results obtained. The following aspects have been investigated (among others): the spiracle arrangement, the number of tracheal ramifications originating from particular spiracles, the diameter of longitudinal trunks, tracheal system volumes, tracheae diameter distribution and fractal dimension analysis. Based on the data acquired, the modularity of the tracheal system is postulated. Using anatomical and functional factors, the following respiratory module types have been distinguished: cephalo-prothoracic, metathoracic and abdominal. These modules can be unambiguously identified in all of the studied developmental stages. A cephalo-prothoracic module aerates organs located in the head capsule, prothorax and additionally prolegs. It is characterised by relatively thick longitudinal trunks and originates in the first thoracic spiracle pair. Thoracic modules support the flight muscles, wings, elytra, meso- and metalegs. The unique feature of this module is the presence of additional longitudinal connections between the neighbouring spiracles. These modules are concentrated around the second prothoracic and the first abdominal spiracle pairs. An abdominal module is characterised by relatively thin ventral longitudinal trunks. Its main role is to support systems located in the abdomen; however, its long visceral tracheae aerate organs situated medially from the flight muscles. Analysis of changes of the tracheal system volume enabled the calculation of growth scaling among body tissues and the volume of the tracheal system. The data presented show that the development of the body volume and tracheal system is not linear in holometabola due to the occurrence of the pupal stage causing a decrease in body volume in the imago and at the same time influencing high growth rates of the tracheal system during metamorphosis, exceeding that ones observed for hemimetabola.
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Affiliation(s)
- Marcin Raś
- Zoological Museum, Museum and Institute of ZoologyPolish Academy of SciencesWarsawPoland
| | - Dariusz Iwan
- Zoological Museum, Museum and Institute of ZoologyPolish Academy of SciencesWarsawPoland
| | - Marcin Jan Kamiński
- Zoological Museum, Museum and Institute of ZoologyPolish Academy of SciencesWarsawPoland
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Qin Z, Babu VS, Wan Q, Muhammad A, Li J, Lan J, Lin L. Antibacterial activity of hemocyanin from red swamp crayfish (Procambarus clarkii). FISH & SHELLFISH IMMUNOLOGY 2018; 75:391-399. [PMID: 29427719 DOI: 10.1016/j.fsi.2018.02.010] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 01/30/2018] [Accepted: 02/06/2018] [Indexed: 06/08/2023]
Abstract
Hemocyanins (HMC): the copper-containing respiratory proteins present in invertebrate hemolymph, which plays many essential roles in the immune system. Currently, little is known about the HMC domains of Procambarus clarkii (P. clarkii) and their function in antimicrobial immune response. In this present study, we comparatively studied the expression pattern of native PcHMC with the three recombinant proteins of variable domains of crayfish hemocyanin (PcHMC-N, N-terminal domain of hemocyanin; PcHMC-T, tyrosinase domain of hemocyanin; PcHMC-C, C-terminal domain of hemocyanin). The results showed that three purified recombinant proteins had a strong binding to various bacteria and lipopolysaccharides that further highly agglutinated. The HMCs recombinant proteins showed strong antibacterial activity against V. parahaemolyticus and S. aureus by bacterial growth inhibition, phenoloxidase (PO) and phagocytosis assays. Specifically, rPcHMC1-T and rPcHMC1-C inhibited both the bacteria efficiently, rPcHMC1-T was highly upregulated the PO activity than the other recombinant proteins. Whereas, recombinant proteins pretreated crayfish hemocytes participated in phagocytosis activity, rPcHMC1-N and rPcHMC1-C proteins had a profound effect than the rPcHMC1-T on S. aureus and V. parahaemolyticus phagocytosis. The crayfish hemocyanin domains clearly exhibited antibacterial and phagocytic activities against both the bacteria, suggesting that its variable domains of hemocyanin have the different function on specific pathogen during the assault of pathogens.
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Affiliation(s)
- Zhendong Qin
- College of Fisheries, Huazhong Agricultural University Wuhan, Hubei 430070, China; Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China
| | - V Sarath Babu
- Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China
| | - Quanyuan Wan
- Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China
| | - Asim Muhammad
- Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China
| | - Jun Li
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; School of Biological Sciences, Lake Superior State University, Sault Ste. Marie, MI 49783, USA
| | - Jiangfeng Lan
- College of Fisheries, Huazhong Agricultural University Wuhan, Hubei 430070, China.
| | - Li Lin
- College of Fisheries, Huazhong Agricultural University Wuhan, Hubei 430070, China; Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China.
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Wang Y, Cao JJ, Li WH. Complete Mitochondrial Genome of Suwallia teleckojensis (Plecoptera: Chloroperlidae) and Implications for the Higher Phylogeny of Stoneflies. Int J Mol Sci 2018; 19:E680. [PMID: 29495588 PMCID: PMC5877541 DOI: 10.3390/ijms19030680] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 02/20/2018] [Accepted: 02/24/2018] [Indexed: 11/21/2022] Open
Abstract
Stoneflies comprise an ancient group of insects, but the phylogenetic position of Plecoptera and phylogenetic relations within Plecoptera have long been controversial, and more molecular data is required to reconstruct precise phylogeny. Herein, we present the complete mitogenome of a stonefly, Suwallia teleckojensis, which is 16146 bp in length and consists of 13 protein-coding genes (PCGs), 2 ribosomal RNAs (rRNAs), 22 transfer RNAs (tRNAs) and a control region (CR). Most PCGs initiate with the standard start codon ATN. However, ND5 and ND1 started with GTG and TTG. Typical termination codons TAA and TAG were found in eleven PCGs, and the remaining two PCGs (COII and ND5) have incomplete termination codons. All transfer RNA genes (tRNAs) have the classic cloverleaf secondary structures, with the exception of tRNASer(AGN), which lacks the dihydrouridine (DHU) arm. Secondary structures of the two ribosomal RNAs were shown referring to previous models. A large tandem repeat region, two potential stem-loop (SL) structures, Poly N structure (2 poly-A, 1 poly-T and 1 poly-C), and four conserved sequence blocks (CSBs) were detected in the control region. Finally, both maximum likelihood (ML) and Bayesian inference (BI) analyses suggested that the Capniidae was monophyletic, and the other five stonefly families form a monophyletic group. In this study, S. teleckojensis was closely related to Sweltsa longistyla, and Chloroperlidae and Perlidae were herein supported to be a sister group.
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Affiliation(s)
- Ying Wang
- Department of Plant Protection, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China.
| | - Jin-Jun Cao
- Department of Plant Protection, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China.
| | - Wei-Hai Li
- Department of Plant Protection, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China.
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14
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Ramsey JS, Chavez JD, Johnson R, Hosseinzadeh S, Mahoney JE, Mohr JP, Robison F, Zhong X, Hall DG, MacCoss M, Bruce J, Cilia M. Protein interaction networks at the host-microbe interface in Diaphorina citri, the insect vector of the citrus greening pathogen. ROYAL SOCIETY OPEN SCIENCE 2017; 4:160545. [PMID: 28386418 PMCID: PMC5367280 DOI: 10.1098/rsos.160545] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 01/09/2017] [Indexed: 05/14/2023]
Abstract
The Asian citrus psyllid (Diaphorina citri) is the insect vector responsible for the worldwide spread of 'Candidatus Liberibacter asiaticus' (CLas), the bacterial pathogen associated with citrus greening disease. Developmental changes in the insect vector impact pathogen transmission, such that D. citri transmission of CLas is more efficient when bacteria are acquired by nymphs when compared with adults. We hypothesize that expression changes in the D. citri immune system and commensal microbiota occur during development and regulate vector competency. In support of this hypothesis, more proteins, with greater fold changes, were differentially expressed in response to CLas in adults when compared with nymphs, including insect proteins involved in bacterial adhesion and immunity. Compared with nymphs, adult insects had a higher titre of CLas and the bacterial endosymbionts Wolbachia, Profftella and Carsonella. All Wolbachia and Profftella proteins differentially expressed between nymphs and adults are upregulated in adults, while most differentially expressed Carsonella proteins are upregulated in nymphs. Discovery of protein interaction networks has broad applicability to the study of host-microbe relationships. Using protein interaction reporter technology, a D. citri haemocyanin protein highly upregulated in response to CLas was found to physically interact with the CLas coenzyme A (CoA) biosynthesis enzyme phosphopantothenoylcysteine synthetase/decarboxylase. CLas pantothenate kinase, which catalyses the rate-limiting step of CoA biosynthesis, was found to interact with a D. citri myosin protein. Two Carsonella enzymes involved in histidine and tryptophan biosynthesis were found to physically interact with D. citri proteins. These co-evolved protein interaction networks at the host-microbe interface are highly specific targets for controlling the insect vector responsible for the spread of citrus greening.
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Affiliation(s)
- J. S. Ramsey
- Robert W. Holley Center for Agriculture and Health, Emerging Pests and Pathogens Research Unit, USDA Agricultural Research Service, Ithaca, NY, USA
- Boyce Thompson Institute for Plant Research, Ithaca, NY, USA
- Author for correspondence: J. S. Ramsey e-mail:
| | - J. D. Chavez
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - R. Johnson
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - S. Hosseinzadeh
- Boyce Thompson Institute for Plant Research, Ithaca, NY, USA
- Plant Pathology Department, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - J. E. Mahoney
- Boyce Thompson Institute for Plant Research, Ithaca, NY, USA
| | - J. P. Mohr
- Boyce Thompson Institute for Plant Research, Ithaca, NY, USA
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - F. Robison
- Boyce Thompson Institute for Plant Research, Ithaca, NY, USA
| | - X. Zhong
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - D. G. Hall
- US Horticultural Research Laboratory, Subtropical Insects and Horticulture Research Unit, USDA Agricultural Research Service, Ft. Pierce, FL, USA
| | - M. MacCoss
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - J. Bruce
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - M. Cilia
- Robert W. Holley Center for Agriculture and Health, Emerging Pests and Pathogens Research Unit, USDA Agricultural Research Service, Ithaca, NY, USA
- Boyce Thompson Institute for Plant Research, Ithaca, NY, USA
- Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, USA
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Johnson JG, Burnett LE, Burnett KG. Uncovering Hemocyanin Subunit Heterogeneity in Penaeid Shrimp using RNA-Seq. Integr Comp Biol 2016; 56:1080-1091. [DOI: 10.1093/icb/icw088] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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16
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Pinnow P, Fabrizius A, Pick C, Burmester T. Identification and characterisation of hemocyanin of the fish louse Argulus (Crustacea: Branchiura). J Comp Physiol B 2015; 186:161-8. [PMID: 26515963 DOI: 10.1007/s00360-015-0943-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Revised: 10/12/2015] [Accepted: 10/19/2015] [Indexed: 02/03/2023]
Abstract
Hemocyanin transports oxygen in the hemolymph of many arthropod species. Within the crustaceans, this copper-containing protein was thought to be restricted to Malacostraca, while other crustacean classes were assumed to employ hemoglobin or lack any respiratory protein. Only recently it has become evident that hemocyanins also occur in Remipedia and Ostracoda. Here we report for the first time the identification and characterisation of hemocyanin in the fish louse Argulus, which belongs to the class of Branchiura. This finding indicates that hemocyanin was the principal oxygen carrier in the stem lineage of the pancrustaceans, but has been lost independently multiple times in crustacean taxa. We obtained the full-length cDNA sequences of two hemocyanin subunits of Argulus foliaceus by a combination of RT-PCR, RACE and Illumina sequencing of the transcriptome. In addition, one full-length and one partial cDNA sequence were derived from the transcriptome data of Argulus siamensis. Western blot analysis confirmed the presence of at least two hemocyanin subunits in A. foliaceus, which are expressed at the mRNA level at a 1:3.5 ratio. The addition to the branchiuran hemocyanin subunits to a multiple sequence alignment of arthropod, hemocyanins improved the phylogenetic resolution within the pancrustacean hemocyanins. Malacostracan, ostracod and branchiuran hemocyanins are distinct from the hexapod and remipede hemocyanins, reinforcing the hypothesis of a close relationship of Remipedia and Hexapoda. Notably, the ostracod hemocyanins are paraphyletic with respect to the branchiuran hemocyanins, indicating ancient divergence and differential loss of distinct subunit types.
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Affiliation(s)
- Pauline Pinnow
- Institute of Zoology, University of Hamburg, Martin-Luther-King-Platz 3, 20146, Hamburg, Germany
| | - Andrej Fabrizius
- Institute of Zoology, University of Hamburg, Martin-Luther-King-Platz 3, 20146, Hamburg, Germany
| | - Christian Pick
- Institute of Zoology, University of Hamburg, Martin-Luther-King-Platz 3, 20146, Hamburg, Germany
| | - Thorsten Burmester
- Institute of Zoology, University of Hamburg, Martin-Luther-King-Platz 3, 20146, Hamburg, Germany.
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17
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Tamone SL, Harrison JF. Linking Insects with Crustacea: Physiology of the Pancrustacea: An Introduction to the Symposium. Integr Comp Biol 2015; 55:765-70. [PMID: 26251464 DOI: 10.1093/icb/icv093] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Insects and crustaceans represent critical, dominant animal groups (by biomass and species number) in terrestrial and aquatic systems, respectively. Insects (hexapods) and crustaceans are historically grouped under separate taxonomic classes within the Phylum Arthropoda, and the research communities studying hexapods and crustaceans are quite distinct. More recently, the hexapods have been shown to be evolutionarily derived from basal crustaceans, and the clade Pancrustacea recognizes this relationship. This recent evolutionary perspective, and the fact that the Society for Integrative and Comparative Biology has strong communities in both invertebrate biology and insect physiology, provides the motivation for this symposium. Speakers in this symposium were selected because of their expertise in a particular field of insect or crustacean physiology, and paired in such a way as to provide a comparative view of the state of the current research in their respective fields. Presenters discussed what aspects of the physiological system are clearly conserved across insects and crustaceans and how cross-talk between researchers utilizing insects and crustaceans can fertilize understanding of such conserved systems. Speakers were also asked to identify strategies that would enable improved understanding of the evolution of physiological systems of the terrestrial insects from the aquatic crustaceans. The following collection of articles describes multiple recent advances in our understanding of Pancrustacean physiology.
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Affiliation(s)
- Sherry L Tamone
- *Department of Natural Sciences, University of Alaska Southeast, 11120 Glacier Highway, Juneau, AK 99801, USA;
| | - Jon F Harrison
- School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, USA
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18
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Burmester T. Expression and evolution of hexamerins from the tobacco hornworm, Manduca sexta, and other Lepidoptera. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2015; 62:226-34. [PMID: 25497415 DOI: 10.1016/j.ibmb.2014.11.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 11/04/2014] [Accepted: 11/28/2014] [Indexed: 05/27/2023]
Abstract
Hexamerins are large hemolymph-proteins that accumulate during the late larval stages of insects. Hexamerins have emerged from hemocyanin, but have lost the ability to bind oxygen. Hexamerins are mainly considered as storage proteins for non-feeding stages, but may also have other functions, e.g. in cuticle formation, transport and immune response. The genome of the hornworm Manduca sexta harbors six hexamerin genes. Two of them code for arylphorins (Msex2.01690, Msex2.15504) and two genes correspond to a methionine-rich hexamerin (Msex2.10735) and a moderately methionine-rich hexamerin (Msex2.01694), respectively. Two other genes do not correspond to any known hexamerin and distantly resemble the arylphorins (Msex2.01691, Msex2.01693). Five of the six hexamerin genes are clustered within ∼45 kb on scaffold 00023, which shows conserved synteny in various lepidopteran genomes. The methionine-rich hexamerin gene is located at a distinct site. M. sexta and other Lepidoptera have lost the riboflavin-binding hexamerin. With the exception of Msex2.01691, which displays low mRNA levels throughout the life cycle, all hexamerins are most highly expressed during pre-wandering phase of the 5th larval instar of M. sexta, supporting their role as storage proteins. Notably, Msex2.01691 is most highly expressed in the brain, suggesting a divergent function. Phylogenetic analyses showed that hexamerin evolution basically follows insect systematics. Lepidoptera display an unparalleled diversity of hexamerins, which exceeds that of other hexapod orders. In contrast to previous analyses, the lepidopteran hexamerins were found monophyletic. Five distinct types of hexamerins have been identified in this order, which differ in terms of amino acid composition and evolutionary history: i. the arylphorins, which are rich in aromatic amino acids (∼20% phenylalanine and tyrosine), ii. the distantly related arylphorin-like hexamerins, iii. the methionine-rich hexamerins, iv. the moderately methionine rich hexamerins, and v. the riboflavin-binding hexamerins.
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Affiliation(s)
- Thorsten Burmester
- Institute of Zoology and Zoological Museum, University of Hamburg, Martin-Luther-King-Platz 3, D-20146 Hamburg, Germany.
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Burmester T. Evolution of Respiratory Proteins across the Pancrustacea. Integr Comp Biol 2015; 55:792-801. [PMID: 26130703 DOI: 10.1093/icb/icv079] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Respiratory proteins enhance the capacity of the blood for oxygen transport and support intracellular storage and delivery of oxygen. Hemocyanin and hemoglobin are the respiratory proteins that occur in the Pancrustacea. The copper-containing hemocyanins evolved from phenoloxidases in the stem lineage of arthropods. For a long time, hemocyanins had only been known from the malacostracan crustaceans but recent studies identified hemocyanin also in Remipedia, Ostracoda, and Branchiura. Hemoglobins are common in the Branchiopoda but have also been sporadically found in other crustacean classes (Malacostraca, Copepoda, Thecostraca). Respiratory proteins had long been considered unnecessary in the hexapods because of the tracheal system. Only chironomids, some backswimmers, and the horse botfly, which all live under hypoxic conditions, were known exceptions and possess hemoglobins. However, recent data suggest that hemocyanins occur in most ametabolous and hemimetabolous insects. Phylogenetic analysis showed the hemocyanins of insects and Remipedia to be similar, suggesting a close relationship of these taxa. Hemocyanin has been lost in dragonflies, mayflies, and Eumetabola (Hemiptera + Holometabola). In cockroaches and grasshoppers, hemocyanin expression is restricted to the developing embryo while in adults oxygen is supplied solely by the tracheal system. This pattern suggests that hemocyanin was the oxygen-transport protein in the hemolymph of the last common ancestor of the pancrustaceans. The loss was probably associated with miniaturization, a period of restricted availability of oxygen, a change in life-style, or morphological changes. Once lost, hemocyanin was not regained. Some pancrustaceans also possess cellular globin genes with uncertain functions, which are expressed at low levels. When a respiratory protein was again required, hemoglobins evolved several times independently from cellular globins.
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Affiliation(s)
- Thorsten Burmester
- Institute of Zoology, Biocenter Grindel, University of Hamburg, Martin-Luther-King-Platz 3, D-20146 Hamburg, Germany
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20
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Marxen JC, Pick C, Oakley TH, Burmester T. Occurrence of Hemocyanin in Ostracod Crustaceans. J Mol Evol 2014; 79:3-11. [DOI: 10.1007/s00239-014-9636-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 08/02/2014] [Indexed: 12/23/2022]
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Coates CJ, Nairn J. Diverse immune functions of hemocyanins. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2014; 45:43-55. [PMID: 24486681 DOI: 10.1016/j.dci.2014.01.021] [Citation(s) in RCA: 192] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Revised: 01/24/2014] [Accepted: 01/25/2014] [Indexed: 06/03/2023]
Abstract
Substantial evidence gathered recently has revealed the multiple functionalities of hemocyanin. Contrary to previous claims that this ancient protein is involved solely in oxygen transport within the hemolymph of invertebrates, hemocyanin and hemocyanin-derived peptides have been linked to key aspects of innate immunity, in particular, antiviral and phenoloxidase-like activities. Both phenoloxidase and hemocyanin belong to the family of type-3 copper proteins and share a high degree of sequence homology. While the importance of phenoloxidase in immunity and development is well characterised, the contribution of hemocyanin to biological defence systems within invertebrates is not recognised widely. This review focusses on the conversion of hemocyanin into a phenoloxidase-like enzyme and the array of hemocyanin-derived immune responses documented to date.
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Affiliation(s)
- Christopher J Coates
- Biological and Environmental Sciences, School of Natural Sciences, University of Stirling, Stirling FK9 4LA, Scotland, UK.
| | - Jacqueline Nairn
- Biological and Environmental Sciences, School of Natural Sciences, University of Stirling, Stirling FK9 4LA, Scotland, UK
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22
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Pick C, Scherbaum S, Hegedüs E, Meyer A, Saur M, Neumann R, Markl J, Burmester T. Structure, diversity and evolution of myriapod hemocyanins. FEBS J 2014; 281:1818-33. [DOI: 10.1111/febs.12742] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 01/23/2014] [Accepted: 02/06/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Christian Pick
- Institute of Zoology and Zoological Museum; University of Hamburg; Germany
| | - Samantha Scherbaum
- Institute of Zoology and Zoological Museum; University of Hamburg; Germany
| | - Elöd Hegedüs
- Institute of Zoology and Zoological Museum; University of Hamburg; Germany
| | - Andreas Meyer
- Institute of Zoology and Zoological Museum; University of Hamburg; Germany
| | - Michael Saur
- Institute of Zoology; Johannes Gutenberg University of Mainz; Germany
| | - Ruben Neumann
- Institute of Zoology; Johannes Gutenberg University of Mainz; Germany
| | - Jürgen Markl
- Institute of Zoology; Johannes Gutenberg University of Mainz; Germany
| | - Thorsten Burmester
- Institute of Zoology and Zoological Museum; University of Hamburg; Germany
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Xie W, Luan YX. Evolutionary implications of dipluran hexamerins. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2014; 46:17-24. [PMID: 24462816 DOI: 10.1016/j.ibmb.2014.01.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Revised: 01/10/2014] [Accepted: 01/11/2014] [Indexed: 06/03/2023]
Abstract
Hexamerin, as a member of the highly conserved arthropod hemocyanin superfamily, has been shown to be a good marker for the phylogenetic study of insects. However, few studies have been conducted on hexamerins in basal hexapods. The first Diplura hexamerin CspHex1 was reported only recently (Pick and Burmester, 2009). Remarkably, CspHex1 was suggested to have evolved from hexapod hemocyanin subunit type 2, which is very different from all insect hexamerins originated from hexapod hemocyanin subunit type 1. Does this finding suggest double or even multiple origins of hexamerins in Hexapoda? To find more evidence on the evolution of dipluran hexamerins, eight putative hexamerin gene sequences were obtained from three dipluran species, as were three hemocyanin genes from two collembolan species. Unexpectedly, after adding the new sequences into the phylogenetic analyses, all dipluran hexamerins including CspHex1 grouped together and as sister to the insect hexamerins, with high likelihood and Bayesian support. Our analysis supports a single origin of the hexamerins in Hexapoda, and suggests the close relationship between Diplura and Insecta. In addition, our study indicates that a relatively comprehensive taxa sampling is essential to solve some problems in phylogenetic reconstruction.
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Affiliation(s)
- Wei Xie
- Key Laboratory of Insect Developmental and Evolutionary Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Yun-Xia Luan
- Key Laboratory of Insect Developmental and Evolutionary Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China.
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Yu-Han Q, Hai-Yan W, Xiao-Yu J, Wei-Wei Y, Yu-Zhou D. Mitochondrial genome of the stonefly Kamimuria wangi (Plecoptera: Perlidae) and phylogenetic position of plecoptera based on mitogenomes. PLoS One 2014; 9:e86328. [PMID: 24466028 PMCID: PMC3900512 DOI: 10.1371/journal.pone.0086328] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Accepted: 12/09/2013] [Indexed: 11/19/2022] Open
Abstract
This study determined the mitochondrial genome sequence of the stonefly, Kamimuria wangi. In order to investigate the relatedness of stonefly to other members of Neoptera, a phylogenetic analysis was undertaken based on 13 protein-coding genes of mitochondrial genomes in 13 representative insects. The mitochondrial genome of the stonefly is a circular molecule consisting of 16,179 nucleotides and contains the 37 genes typically found in other insects. A 10-bp poly-T stretch was observed in the A+T-rich region of the K. wangi mitochondrial genome. Downstream of the poly-T stretch, two regions were located with potential ability to form stem-loop structures; these were designated stem-loop 1 (positions 15848-15651) and stem-loop 2 (15965-15998). The arrangement of genes and nucleotide composition of the K. wangi mitogenome are similar to those in Pteronarcys princeps, suggesting a conserved genome evolution within the Plecoptera. Phylogenetic analysis using maximum likelihood and Bayesian inference of 13 protein-coding genes supported a novel relationship between the Plecoptera and Ephemeroptera. The results contradict the existence of a monophyletic Plectoptera and Plecoptera as sister taxa to Embiidina, and thus requires further analyses with additional mitogenome sampling at the base of the Neoptera.
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Affiliation(s)
- Qian Yu-Han
- School of Horticulture and Plant Protection and Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu, China
- College of Forestry, Southwest Forestry University, Kunming, Yunnan, China
| | - Wu Hai-Yan
- School of Horticulture and Plant Protection and Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Ji Xiao-Yu
- School of Horticulture and Plant Protection and Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yu Wei-Wei
- School of Horticulture and Plant Protection and Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Du Yu-Zhou
- School of Horticulture and Plant Protection and Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu, China
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Scully ED, Hoover K, Carlson JE, Tien M, Geib SM. Midgut transcriptome profiling of Anoplophora glabripennis, a lignocellulose degrading cerambycid beetle. BMC Genomics 2013; 14:850. [PMID: 24304644 PMCID: PMC4046674 DOI: 10.1186/1471-2164-14-850] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 11/22/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Wood-feeding insects often work in collaboration with microbial symbionts to degrade lignin biopolymers and release glucose and other fermentable sugars from recalcitrant plant cell wall carbohydrates, including cellulose and hemicellulose. Here, we present the midgut transcriptome of larval Anoplophora glabripennis, a wood-boring beetle with documented lignin-, cellulose-, and hemicellulose- degrading capabilities, which provides valuable insights into how this insect overcomes challenges associated with feeding in woody tissue. RESULTS Transcripts from putative protein coding regions of over 9,000 insect-derived genes were identified in the A. glabripennis midgut transcriptome using a combination of 454 shotgun and Illumina paired-end reads. The most highly-expressed genes predicted to encode digestive-related enzymes were trypsins, carboxylesterases, β-glucosidases, and cytochrome P450s. Furthermore, 180 unigenes predicted to encode glycoside hydrolases (GHs) were identified and included several GH 5, 45, and 48 cellulases, GH 1 xylanases, and GH 1 β-glucosidases. In addition, transcripts predicted to encode enzymes involved in detoxification were detected, including a substantial number of unigenes classified as cytochrome P450s (CYP6B) and carboxylesterases, which are hypothesized to play pivotal roles in detoxifying host tree defensive chemicals and could make important contributions to A. glabripennis' expansive host range. While a large diversity of insect-derived transcripts predicted to encode digestive and detoxification enzymes were detected, few transcripts predicted to encode enzymes required for lignin degradation or synthesis of essential nutrients were identified, suggesting that collaboration with microbial enzymes may be required for survival in woody tissue. CONCLUSIONS A. glabripennis produces a number of enzymes with putative roles in cell wall digestion, detoxification, and nutrient extraction, which likely contribute to its ability to thrive in a broad range of host trees. This system is quite different from the previously characterized termite fermentation system and provides new opportunities to discover enzymes that could be exploited for cellulosic ethanol biofuel production or the development of novel methods to control wood-boring pests.
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Affiliation(s)
| | | | | | | | - Scott M Geib
- Tropical Crop and Commodity Protection Research Unit, USDA-ARS Pacific Basin Agricultural Research Center, Hilo, HI 96720, USA.
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Markl J. Evolution of molluscan hemocyanin structures. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2013; 1834:1840-52. [PMID: 23454609 DOI: 10.1016/j.bbapap.2013.02.020] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Revised: 02/12/2013] [Accepted: 02/13/2013] [Indexed: 11/17/2022]
Abstract
Hemocyanin transports oxygen in the hemolymph of many molluscs and arthropods and is therefore a central physiological factor in these animals. Molluscan hemocyanin molecules are oligomers composed of many protein subunits that in turn encompass subsets of distinct functional units. The structure and evolution of molluscan hemocyanin have been studied for decades, but it required the recent progress in DNA sequencing, X-ray crystallography and 3D electron microscopy to produce a detailed view of their structure and evolution. The basic quaternary structure is a cylindrical decamer 35nm in diameter, consisting of wall and collar (typically at one end of the cylinder). Depending on the animal species, decamers, didecamers and multidecamers occur in the hemolymph. Whereas the wall architecture of the decamer seems to be invariant, four different types of collar have been identified in different molluscan taxa. Correspondingly, there exist four subunit types that differ in their collar functional units and range from 350 to 550kDa. Thus, molluscan hemocyanin subunits are among the largest polypeptides in nature. In this report, recent 3D reconstructions are used to explain and visualize the different functional units, subunits and quaternary structures of molluscan hemocyanins. Moreover, on the basis of DNA analyses and structural considerations, their possible evolution is traced. This article is part of a Special Issue entitled: Oxygen Binding and Sensing Proteins.
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Affiliation(s)
- Jürgen Markl
- Institute of Zoology, Johannes Gutenberg University, Mainz, Germany.
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Marxen JC, Pick C, Kwiatkowski M, Burmester T. Molecular characterization and evolution of haemocyanin from the two freshwater shrimps Caridina multidentata (Stimpson, 1860) and Atyopsis moluccensis (De Haan, 1849). J Comp Physiol B 2013; 183:613-24. [PMID: 23338600 DOI: 10.1007/s00360-013-0740-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2012] [Revised: 11/22/2012] [Accepted: 12/29/2012] [Indexed: 01/28/2023]
Abstract
Haemocyanin (Hc) is a copper-containing respiratory protein, floating freely dissolved in the hemolymph of many arthropod species. A typical haemocyanin is a hexamer or oligohexamer of six identical or similar subunits, with a molecular mass around 75 kDa each. In the crustaceans, the haemocyanins appear to be restricted to the remipedes and the malacostracans. We have investigated the haemocyanins of two freshwater shrimps, the Amano shrimp Caridina multidentata and the bamboo shrimp Atyopsis moluccensis. We obtained three full-length and one partial cDNA sequences of haemocyanin subunits from the Amano shrimp, which were assigned to the α- and γ-types of decapod haemocyanin subunits. Three complete and two partial haemocyanin cDNA sequences were obtained from the bamboo shrimp, which represent subunit types α, β and γ. This is the first time that sequences of all three subunit types of the decapod haemocyanins were obtained from a single species. However, mass spectrometry analyses identified only α- and γ-type subunits, suggesting that a β-subunit is not a major component of the native haemocyanin of the bamboo shrimp. Phylogenetic and molecular clock analyses showed that malacostracan haemocyanins commenced to diversify into distinct subunit types already ~515 million years ago. β-subunits diverged first, followed by α- and γ-type subunits ~396 million years ago. The haemocyanins of phyllocarids and peracarids form distinct clades within the α/γ-cluster. Within the Caridea, an early divergence of distinct α-type subunits occurred ~200 MYA. The tree of the γ-subunits suggests a common clade of the Caridea (shrimps) and Penaeidae (prawns).
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Affiliation(s)
- Julia C Marxen
- Institute of Zoology and Zoological Museum, University of Hamburg, Martin-Luther-King-Platz 3, 20146, Hamburg, Germany.
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Zhu JY, Yang P, Zhang Z, Wu GX, Yang B. Transcriptomic immune response of Tenebrio molitor pupae to parasitization by Scleroderma guani. PLoS One 2013; 8:e54411. [PMID: 23342153 PMCID: PMC3544796 DOI: 10.1371/journal.pone.0054411] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Accepted: 12/13/2012] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Host and parasitoid interaction is one of the most fascinating relationships of insects, which is currently receiving an increasing interest. Understanding the mechanisms evolved by the parasitoids to evade or suppress the host immune system is important for dissecting this interaction, while it was still poorly known. In order to gain insight into the immune response of Tenebrio molitor to parasitization by Scleroderma guani, the transcriptome of T. molitor pupae was sequenced with focus on immune-related gene, and the non-parasitized and parasitized T. molitor pupae were analyzed by digital gene expression (DGE) analysis with special emphasis on parasitoid-induced immune-related genes using Illumina sequencing. METHODOLOGY/PRINCIPAL FINDINGS In a single run, 264,698 raw reads were obtained. De novo assembly generated 71,514 unigenes with mean length of 424 bp. Of those unigenes, 37,373 (52.26%) showed similarity to the known proteins in the NCBI nr database. Via analysis of the transcriptome data in depth, 430 unigenes related to immunity were identified. DGE analysis revealed that parasitization by S. guani had considerable impacts on the transcriptome profile of T. molitor pupae, as indicated by the significant up- or down-regulation of 3,431 parasitism-responsive transcripts. The expression of a total of 74 unigenes involved in immune response of T. molitor was significantly altered after parasitization. CONCLUSIONS/SIGNIFICANCE obtained T. molitor transcriptome, in addition to establishing a fundamental resource for further research on functional genomics, has allowed the discovery of a large group of immune genes that might provide a meaningful framework to better understand the immune response in this species and other beetles. The DGE profiling data provides comprehensive T. molitor immune gene expression information at the transcriptional level following parasitization, and sheds valuable light on the molecular understanding of the host-parasitoid interaction.
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Affiliation(s)
- Jia-Ying Zhu
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China.
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Wawrowski A, Matthews PGD, Gleixner E, Kiger L, Marden MC, Hankeln T, Burmester T. Characterization of the hemoglobin of the backswimmer Anisops deanei (Hemiptera). INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2012; 42:603-609. [PMID: 22575160 DOI: 10.1016/j.ibmb.2012.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Revised: 04/21/2012] [Accepted: 04/25/2012] [Indexed: 05/27/2023]
Abstract
While O(2)-binding hemoglobin-like proteins are present in many insects, prominent amounts of hemoglobin have only been found in a few species. Backswimmers of the genera Anisops and Buenoa (Notonectidae) have high concentrations of hemoglobin in the large tracheal cells of the abdomen. Oxygen from the hemoglobin is delivered to a gas bubble and controls the buoyant density, which enables the bugs to maintain their position without swimming and to remain stationary in the mid-water zone where they hunt for prey. We have obtained the cDNA sequences of three Anisops deanei hemoglobin chains by RT-PCR and RACE techniques. The deduced amino acid sequences show an unusual insertion of a single amino acid in the conserved helix E, but this does not affect protein stability or ligand binding kinetics. Recombinant A. deanei hemoglobin has an oxygen affinity of P(50) = 2.4 kPa (18 torr) and reveals the presence of a dimeric fraction or two different conformations. The absorption spectra demonstrate that the Anisops hemoglobin is a typical pentacoordinate globin. Phylogenetic analyses show that the backswimmer hemoglobins evolved within Heteroptera and most likely originated from an intracellular hemoglobin with divergent function.
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Affiliation(s)
- Agnes Wawrowski
- Institute of Zoology, University of Hamburg, Biocenter Grindel, Martin-Luther-King-Platz 3, D-20146 Hamburg, Germany
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Terwilliger NB. Gene expression profile, protein production, and functions of cryptocyanin during the crustacean molt cycle. INVERTEBR REPROD DEV 2012. [DOI: 10.1080/07924259.2011.595972] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Rehm P, Pick C, Borner J, Markl J, Burmester T. The diversity and evolution of chelicerate hemocyanins. BMC Evol Biol 2012; 12:19. [PMID: 22333134 PMCID: PMC3306762 DOI: 10.1186/1471-2148-12-19] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Accepted: 02/14/2012] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Oxygen transport in the hemolymph of many arthropod species is facilitated by large copper-proteins referred to as hemocyanins. Arthropod hemocyanins are hexamers or oligomers of hexamers, which are characterized by a high O2 transport capacity and a high cooperativity, thereby enhancing O2 supply. Hemocyanin subunit sequences had been available from horseshoe crabs (Xiphosura) and various spiders (Araneae), but not from any other chelicerate taxon. To trace the evolution of hemocyanins and the emergence of the large hemocyanin oligomers, hemocyanin cDNA sequences were obtained from representatives of selected chelicerate classes. RESULTS Hemocyanin subunits from a sea spider, a scorpion, a whip scorpion and a whip spider were sequenced. Hemocyanin has been lost in Opiliones, Pseudoscorpiones, Solifugae and Acari, which may be explained by the evolution of trachea (i.e., taxon Apulmonata). Bayesian phylogenetic analysis was used to reconstruct the evolution of hemocyanin subunits and a relaxed molecular clock approach was applied to date the major events. While the sea spider has a simple hexameric hemocyanin, four distinct subunit types evolved before Xiphosura and Arachnida diverged around 470 Ma ago, suggesting the existence of a 4 × 6mer at that time. Subsequently, independent gene duplication events gave rise to the other distinct subunits in each of the 8 × 6mer hemocyanin of Xiphosura and the 4 × 6mer of Arachnida. The hemocyanin sequences were used to infer the evolutionary history of chelicerates. The phylogenetic trees support a basal position of Pycnogonida, a sister group relationship of Xiphosura and Arachnida, and a sister group relationship of the whip scorpions and the whip spiders. CONCLUSION Formation of a complex hemocyanin oligomer commenced early in the evolution of euchelicerates. A 4 × 6mer hemocyanin consisting of seven subunit types is conserved in most arachnids since more than 400 Ma, although some entelegyne spiders display selective subunit loss and independent oligomerization. Hemocyanins also turned out to be a good marker to trace chelicerate evolution, which is, however, limited by the loss of hemocyanin in some taxa. The molecular clock calculations were in excellent agreement with the fossil record, also demonstrating the applicability of hemocyanins for such approach.
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Affiliation(s)
- Peter Rehm
- Institute of Zoology and Zoological Museum, University of Hamburg, D-20146 Hamburg, Germany
| | - Christian Pick
- Institute of Zoology and Zoological Museum, University of Hamburg, D-20146 Hamburg, Germany
| | - Janus Borner
- Institute of Zoology and Zoological Museum, University of Hamburg, D-20146 Hamburg, Germany
| | - Jürgen Markl
- Institute of Zoology, Johannes Gutenberg University Mainz, D-55099 Mainz, Germany
| | - Thorsten Burmester
- Institute of Zoology and Zoological Museum, University of Hamburg, D-20146 Hamburg, Germany
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Initial analysis of the hemocyanin subunit type 1 (Hc1 gene) from Locusta migratoria manilensis. Mol Biol Rep 2011; 39:3305-10. [PMID: 21706352 DOI: 10.1007/s11033-011-1099-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Accepted: 06/15/2011] [Indexed: 11/27/2022]
Abstract
Hemocyanins are copper-containing (Cu(+)) proteins that transport oxygen in many arthropods hemolymph. We characterized Hc1 gene from the grasshopper species Locusta migratoria manilensis. In particular, we cloned and sequenced the corresponding cDNAs and studied their expression at different developmental stages. The cDNA of Hc1 gene (GenBank accession no.:HQ213937) is 2271 bp in length and the open reading frame is 2016 bp, which encodes a 672 amino acids protein with a calculated molecular mass of 77.9 kD and the isoelectric point of 6.06. Sequence alignment analysis result showed that this gene shares 94.7% identity with Schistocerca americana EHP. In addition, analysis of quantitative RT-PCR indicated that, LmiHc1 was expressed in the embyro (24, 39, 62, 86, 144, and 193 h after hatch), nymphs (1st instar, 2nd instar, 3rd instar, 4th instar and 5th instar) and in adult. These results showed that Hc1 plays an important role in grasshopper, which may be related to an enhanced oxygen supply. Phylogenetic analysis of insecta based on Hc1 are basically consistent with the morphology.
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Dudley R, Yanoviak SP. Animal aloft: the origins of aerial behavior and flight. Integr Comp Biol 2011; 51:926-36. [PMID: 21558180 DOI: 10.1093/icb/icr002] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Diverse taxa of animals exhibit remarkable aerial capacities, including jumping, mid-air righting, parachuting, gliding, landing, controlled maneuvers, and flapping flight. The origin of flapping wings in hexapods and in 3 separate lineages of vertebrates (pterosaurs, bats, and birds) greatly facilitated subsequent diversification of lineages, but both the paleobiological context and the possible selective pressures for the evolution of wings remain contentious. Larvae of various arboreal hemimetabolous insects, as well as many adult canopy ants, demonstrate the capacity for directed aerial descent in the absence of wings. Aerial control in the ancestrally wingless archaeognathans suggests that flight behavior preceded the origins of wings in hexapods. In evolutionary terms, the use of winglets and partial wings to effect aerial righting and maneuvers could select for enhanced appendicular motions, and ultimately lead to powered flight. Flight behaviors that involve neither flapping nor wings are likely to be much more widespread than is currently recognized. Further characterization of the sensory and biomechanical mechanisms used by these aerially capable taxa can potentially assist in reconstruction of ancestral winged morphologies and facilitate our understanding of the origins of flight.
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Affiliation(s)
- Robert Dudley
- Department of Integrative Biology, University of California, Berkeley, CA 94720, USA.
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Amore V, Gaetani B, Angeles Puig M, Fochetti R. New data on the presence of hemocyanin in Plecoptera: recomposing a puzzle. JOURNAL OF INSECT SCIENCE (ONLINE) 2011; 11:153. [PMID: 22236413 PMCID: PMC3391926 DOI: 10.1673/031.011.15301] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Accepted: 10/12/2011] [Indexed: 05/31/2023]
Abstract
The specific role of hemocyanin in Plecoptera (stoneflies) is still not completely understood, since none of the hypotheses advanced have proven fully convincing. Previous data show that mRNA hemocyanin sequences are not present in all Plecoptera, and that hemocyanin does not seem to be uniformly distributed within the order. All species possess hexamerins, which are multifunction proteins that probably originated from hemocyanin. In order to obtain an increasingly detailed picture on the presence and distribution of hemocyanin across the order, this study presents new data regarding nymphs and adults of selected Plecoptera species. Results confirm that the hemocyanin expression differs among nymphs in the studied stonefly species. Even though previous studies have found hemocyanin in adults of two stonefly species it was not detected in the present study, even in species where nymphs show hemocyanin, suggesting that the physiological need of this protein can change during life cycle. The phylogenetic pattern obtained using hemocyanin sequences matches the accepted scheme of traditional phylogeny based on morphology, anatomy, and biology. It is remarkable to note that the hemocyanin conserved region acts like a phylogenetic molecular marker within Plecoptera.
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Affiliation(s)
- Valentina Amore
- Environmental Sciences Department, University of Viterbo, 01100 Viterbo, Italy
- Centro de Estudios Avanzados de Blanes (CEAB-CSIC), 17300 Blanes, España
| | - Brunella Gaetani
- Environmental Sciences Department, University of Viterbo, 01100 Viterbo, Italy
| | - Maria Angeles Puig
- Centro de Estudios Avanzados de Blanes (CEAB-CSIC), 17300 Blanes, España
| | - Romolo Fochetti
- Environmental Sciences Department, University of Viterbo, 01100 Viterbo, Italy
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Characterization of hemocyanin from the peacock mantis shrimp Odontodactylus scyllarus (Malacostraca: Hoplocarida). J Comp Physiol B 2010; 180:1235-45. [PMID: 20640429 DOI: 10.1007/s00360-010-0495-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Revised: 06/17/2010] [Accepted: 06/24/2010] [Indexed: 10/19/2022]
Abstract
Hemocyanin is the blue respiratory protein of many arthropod species. While its structure, evolution, and physiological function have been studied in detail in Decapoda, there is little information on hemocyanins from other crustacean taxa. Here, we have investigated the hemocyanin of the peacock mantis shrimp Odontodactylus scyllarus, which belongs to the Stomatopoda (Hoplocarida). O. scyllarus hemocyanin forms a dodecamer (2 × 6-mer), which is composed of at least four distinct subunit types. We obtained the full-length cDNA sequences of three hemocyanin subunits, while a fourth cDNA was incomplete at its 5' end. The complete full-length cDNAs of O. scyllarus hemocyanin translate into polypeptides of 650-662 amino acids, which include signal peptides of 16 or 17 amino acids. The predicted molecular masses of 73.1-75.1 kDa correspond well with the main hemolymph proteins detected by SDS-PAGE and Western blotting using various anti-hemocyanin antibodies. Phylogenetic analyses show that O. scyllarus hemocyanins belong to the β-type of malacostracan hemocyanin subunits, which diverged from the other subunits before the radiation of the malacostracan subclasses around 520 million years ago. Molecular clock analysis revealed an ancient and complex pattern of hemocyanin subunit evolution in Malacostraca and also allowed dating divergence times of malacostracan taxa.
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Pick C, Schneuer M, Burmester T. Ontogeny of hemocyanin in the ovoviviparous cockroach Blaptica dubia suggests an embryo-specific role in oxygen supply. JOURNAL OF INSECT PHYSIOLOGY 2010; 56:455-460. [PMID: 19379755 DOI: 10.1016/j.jinsphys.2009.04.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2009] [Revised: 04/03/2009] [Accepted: 04/09/2009] [Indexed: 05/27/2023]
Abstract
For a long time it had been assumed that specific oxygen transport proteins are absent in insects. Only recently it has been demonstrated that hemocyanins occur in the hemolymph of many ametabolous and hemimetabolous insect taxa, but not in the Eumetabola (Hemiptera+Holometabola). Therefore, the loss of respiratory hemocyanin in insects is not correlated with the evolution of an efficient tracheal system. The specific contribution of hemocyanin to oxygen supply in insects, however, has remained uncertain. Here we investigate the stage-specific expression of hemocyanin in the ovoviviparous cockroach Blaptica dubia (Blattaria), which consists of two distinct subunit types (Hc1 and Hc2). Employing quantitative real-time RT-PCR and Western blotting, we showed that the expression of hemocyanin is restricted to late embryos, thus being detectable also in whole female extracts and oothecae. Hemocyanin protein is also present in 1st instar nymphs, but not in later developmental stages. The ontogeny of hemocyanin in cockroaches is distinct from that known from Zygentoma and Plecoptera, in which hemocyanin occurs in both nymphal and adult stages. Our findings suggest a specific role of hemocyanin in embryonic cockroaches, which may be related to an enhanced oxygen supply in the oothecae. For some reason, the fundamental physiological changes associated to the evolution of holometaboly have made hemocyanin unnecessary.
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Affiliation(s)
- Christian Pick
- Institute of Zoology and Zoological Museum, University of Hamburg, D-20146 Hamburg, Germany
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Pick C, Burmester T. A putative hexamerin from a Campodea sp. suggests an independent origin of haemocyanin-related storage proteins in Hexapoda. INSECT MOLECULAR BIOLOGY 2009; 18:673-679. [PMID: 19754744 DOI: 10.1111/j.1365-2583.2009.00910.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Haemocyanins are copper-containing respiratory proteins in the arthropod haemolymph. In hexapods, haemocyanins gave rise to hexamerins, which have lost the ability to bind copper and thus oxygen. Hexamerins are thought to act mainly as storage proteins in nonfeeding periods. So far, hexamerins have only been identified in ectognathan hexapods, but not in Entognatha. Here we report the identification of a putative hexamerin from Campodea sp. (Diplura). The full-length cDNA of Campodea sp. hexamerin 1 (CspHex1) measures 2188 bp and translates into a native polypeptide of 667 amino acids. As in other hexamerins, the six copper-coordinating histidines are not conserved. However, sequence comparison and phylogenetic analyses demonstrated that CspHex1 is not closely related to other hexapod hexamerins, which derive from hexapod type 1 haemocyanin subunits in the ectognathan lineage, but rather resembles a derivative of hexapod type 2 haemocyanin subunits. Hence, haemocyanin-related storage proteins emerged at least two times independently in Hexapoda.
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Affiliation(s)
- C Pick
- Institute of Zoology, University of Hamburg, Hamburg, Germany
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Ertas B, von Reumont BM, Wägele JW, Misof B, Burmester T. Hemocyanin suggests a close relationship of Remipedia and Hexapoda. Mol Biol Evol 2009; 26:2711-8. [PMID: 19692666 DOI: 10.1093/molbev/msp186] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The Remipedia are enigmatic crustaceans from anchialine cave systems, first described only 30 years ago, whose phylogenetic affinities are as yet unresolved. Here we report the sequence of hemocyanin from Speleonectes tulumensis Yager, 1987 (Remipedia, Speleonectidae). This is the first proof of the presence of this type of respiratory protein in a crustacean taxon other than Malacostraca. Speleonectes tulumensis hemocyanin consists of multiple distinct (at least three) subunits (StuHc1-3; Hc, hemocyanin). Surprisingly, the sequences are most similar to hexapod hemocyanins. Phylogenetic analyses showed that the S. tulumensis hemocyanin subunits StuHc1 and StuHc3 associate with the type 1 hexapod hemocyanin subunits, whereas StuHc2 associates with the type 2 subunits of hexapods. Together, remipede and hexapod hemocyanins are in the sister-group position to the hemocyanins of malacostracan crustaceans. Hemocyanins provide no indication of a close relationship of Myriapoda and Hexapoda but support Pancrustacea (Crustacea + Hexapoda). Our results also suggest that Crustacea are paraphyletic and that Hexapoda may have evolved from a Remipedia-like ancestor. Thus, Remipedia occupy a key position for the understanding of the evolution of hexapods, which are and have been one of the world's most speciose lineage of animals.
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Affiliation(s)
- Beyhan Ertas
- Biozentrum Grindel und Zoologisches Museum, Universität Hamburg, Hamburg, Germany
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