1
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Mantica F, Iñiguez LP, Marquez Y, Permanyer J, Torres-Mendez A, Cruz J, Franch-Marro X, Tulenko F, Burguera D, Bertrand S, Doyle T, Nouzova M, Currie PD, Noriega FG, Escriva H, Arnone MI, Albertin CB, Wotton KR, Almudi I, Martin D, Irimia M. Evolution of tissue-specific expression of ancestral genes across vertebrates and insects. Nat Ecol Evol 2024; 8:1140-1153. [PMID: 38622362 DOI: 10.1038/s41559-024-02398-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 03/08/2024] [Indexed: 04/17/2024]
Abstract
Regulation of gene expression is arguably the main mechanism underlying the phenotypic diversity of tissues within and between species. Here we assembled an extensive transcriptomic dataset covering 8 tissues across 20 bilaterian species and performed analyses using a symmetric phylogeny that allowed the combined and parallel investigation of gene expression evolution between vertebrates and insects. We specifically focused on widely conserved ancestral genes, identifying strong cores of pan-bilaterian tissue-specific genes and even larger groups that diverged to define vertebrate and insect tissues. Systematic inferences of tissue-specificity gains and losses show that nearly half of all ancestral genes have been recruited into tissue-specific transcriptomes. This occurred during both ancient and, especially, recent bilaterian evolution, with several gains being associated with the emergence of unique phenotypes (for example, novel cell types). Such pervasive evolution of tissue specificity was linked to gene duplication coupled with expression specialization of one of the copies, revealing an unappreciated prolonged effect of whole-genome duplications on recent vertebrate evolution.
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Affiliation(s)
- Federica Mantica
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
- Universitat Pompeu Fabra, Barcelona, Spain
| | - Luis P Iñiguez
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Yamile Marquez
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Jon Permanyer
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Antonio Torres-Mendez
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Josefa Cruz
- Institute of Evolutionary Biology (IBE, CSIC-Universitat Pompeu Fabra), Barcelona, Catalonia, Spain
| | - Xavier Franch-Marro
- Institute of Evolutionary Biology (IBE, CSIC-Universitat Pompeu Fabra), Barcelona, Catalonia, Spain
| | - Frank Tulenko
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia
| | - Demian Burguera
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Stephanie Bertrand
- Sorbonne Université, CNRS, Biologie Intégrative des Organismes Marins; BIOM, Banyuls-sur-Mer, France
| | - Toby Doyle
- Centre for Ecology and Conservation, University of Exeter, Penryn, UK
| | - Marcela Nouzova
- Institute of Parasitology, CAS, České Budějovice, Czech Republic
| | - Peter D Currie
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia
- EMBL Australia; Victorian Node, Monash University, Clayton, Victoria, Australia
| | - Fernando G Noriega
- Biology and BSI, Florida International University, Miami, FL, USA
- Department of Parasitology, University of South Bohemia, České Budějovice, Czech Republic
| | - Hector Escriva
- Sorbonne Université, CNRS, Biologie Intégrative des Organismes Marins; BIOM, Banyuls-sur-Mer, France
| | | | - Caroline B Albertin
- Eugene Bell Center for Regenerative Biology and Tissue Engineering, Marine Biological Laboratory, Woods Hole, MA, USA
| | - Karl R Wotton
- Centre for Ecology and Conservation, University of Exeter, Penryn, UK
| | - Isabel Almudi
- Department of Genetics, Microbiology and Statistics and IRBio, Universitat de Barcelona, Barcelona, Spain
| | - David Martin
- Institute of Evolutionary Biology (IBE, CSIC-Universitat Pompeu Fabra), Barcelona, Catalonia, Spain
| | - Manuel Irimia
- Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain.
- Universitat Pompeu Fabra, Barcelona, Spain.
- ICREA, Barcelona, Spain.
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2
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Rice GR, David JR, Gompel N, Yassin A, Rebeiz M. Resolving between novelty and homology in the rapidly evolving phallus of Drosophila. JOURNAL OF EXPERIMENTAL ZOOLOGY. PART B, MOLECULAR AND DEVELOPMENTAL EVOLUTION 2023; 340:182-196. [PMID: 34958528 PMCID: PMC10155935 DOI: 10.1002/jez.b.23113] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/24/2021] [Accepted: 10/10/2021] [Indexed: 11/11/2022]
Abstract
The genitalia present some of the most rapidly evolving anatomical structures in the animal kingdom, possessing a variety of parts that can distinguish recently diverged species. In the Drosophila melanogaster group, the phallus is adorned with several processes, pointed outgrowths, that are similar in size and shape between species. However, the complex three-dimensional nature of the phallus can obscure the exact connection points of each process. Previous descriptions based upon adult morphology have primarily assigned phallic processes by their approximate positions in the phallus and have remained largely agnostic regarding their homology relationships. In the absence of clearly identified homology, it can be challenging to model when each structure first evolved. Here, we employ a comparative developmental analysis of these processes in eight members of the melanogaster species group to precisely identify the tissue from which each process forms. Our results indicate that adult phallic processes arise from three pupal primordia in all species. We found that in some cases the same primordia generate homologous structures whereas in other cases, different primordia produce phenotypically similar but remarkably non-homologous structures. This suggests that the same gene regulatory network may have been redeployed to different primordia to induce phenotypically similar traits. Our results highlight how traits diversify and can be redeployed, even at short evolutionary scales.
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Affiliation(s)
- Gavin R Rice
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jean R David
- Laboratoire Evolution, Génomes, Comportement, Ecologie (EGCE), UMR 9191, CNRS,IRD, Univ.Paris-Sud, Université Paris-Saclay, Orsay, Cedex, France
| | - Nicolas Gompel
- Fakultät für Biologie, Biozentrum, Ludwig-Maximilians Universität München, Planegg-Martinsried, Germany
| | - Amir Yassin
- Laboratoire Evolution, Génomes, Comportement, Ecologie (EGCE), UMR 9191, CNRS,IRD, Univ.Paris-Sud, Université Paris-Saclay, Orsay, Cedex, France.,Institut de Systématique, Evolution et Biodiversité, UMR7205, Centre National de la Recherche Scientifique, MNHN, Sorbonne Université, EPHE, Université des Antilles, Paris, France
| | - Mark Rebeiz
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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3
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A single WNT enhancer drives specification and regeneration of the Drosophila wing. Nat Commun 2022; 13:4794. [PMID: 35995781 PMCID: PMC9395397 DOI: 10.1038/s41467-022-32400-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/28/2022] [Indexed: 12/04/2022] Open
Abstract
Wings have provided an evolutionary advantage to insects and have allowed them to diversify. Here, we have identified in Drosophila a highly robust regulatory mechanism that ensures the specification and growth of the wing not only during normal development but also under stress conditions. We present evidence that a single wing-specific enhancer in the wingless gene is used in two consecutive developmental stages to first drive wing specification and then contribute to mediating the remarkable regenerative capacity of the developing wing upon injury. We identify two evolutionary conserved cis-regulatory modules within this enhancer that are utilized in a redundant manner to mediate these two activities through the use of distinct molecular mechanisms. Whereas Hedgehog and EGFR signalling regulate Wingless expression in early primordia, thus inducing wing specification from body wall precursors, JNK activation in injured tissues induce Wingless expression to promote compensatory proliferation. These results point to evolutionarily linked conservation of wing specification and regeneration to ensure robust development of the wing, perhaps the most relevant evolutionary novelty in insects. The wing is a remarkable evolutionary novelty in insects. Here the authors demonstrate that the specification and regenerative capacity of the wing relies on a single wing-specific enhancer of the wingless gene in Drosophila.
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4
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Abstract
The evolution of wings and flight was key for the rise of insects. A new study finds that lateral extensions on the abdominal segments of primitive insect nymphs are the serial homologues of wings and probably helped control gliding.
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Affiliation(s)
- Andrew Ross
- Department of Natural Sciences, National Museum of Scotland, Chambers Street, Edinburgh EH1 1JF, UK.
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5
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Bruce HS, Patel NH. The Daphnia carapace and other novel structures evolved via the cryptic persistence of serial homologs. Curr Biol 2022; 32:3792-3799.e3. [PMID: 35858617 DOI: 10.1016/j.cub.2022.06.073] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 05/13/2022] [Accepted: 06/23/2022] [Indexed: 10/17/2022]
Abstract
Understanding how novel structures arise is a central question in evolution. Novel structures are often defined as structures that are not derived from (homologous to) any structure in the ancestor.1 The carapace of the crustacean Daphnia magna is a bivalved "cape" of exoskeleton. Shiga et al.2 proposed that the carapace of crustaceans like Daphnia and many other plate-like outgrowths in arthropods are novel structures that arose through the repeated co-option of genes like vestigial that also pattern insect wings.2-4 To determine whether the Daphnia carapace is a novel structure, we compare previous functional work2 with the expression of genes known to pattern the proximal leg region (pannier, araucan, and vestigial)5,6 between Daphnia, Parhyale, and Tribolium. Our results suggest that the Daphnia carapace did not arise by co-option but instead derived from an exite (lateral leg lobe) that emerges from an ancestral proximal leg segment that was incorporated into the Daphnia body wall. The Daphnia carapace, therefore, appears to be homologous to the Parhyale tergal plate and the insect wing.5 Remarkably, the vestigial-positive tissue that gives rise to the Daphnia carapace appears to be present in Parhyale7 and Tribolium as a small, inconspicuous protrusion. Thus, rather than a novel structure resulting from gene co-option, the Daphnia carapace appears to have arisen from a shared, ancestral tissue (morphogenetic field) that persists in a cryptic state in other arthropod lineages. Cryptic persistence of unrecognized serial homologs may thus be a general solution for the origin of novel structures.
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Affiliation(s)
- Heather S Bruce
- Marine Biological Laboratory, 7 MBL Street, Woods Hole, MA 02543, USA.
| | - Nipam H Patel
- Marine Biological Laboratory, 7 MBL Street, Woods Hole, MA 02543, USA; University of Chicago, Organismal Biology & Anatomy, 1027 E 57(th) Street, Chicago, IL 60637, USA
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6
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Abdominal serial homologues of wings in Paleozoic insects. Curr Biol 2022; 32:3414-3422.e1. [PMID: 35772407 DOI: 10.1016/j.cub.2022.06.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 04/21/2022] [Accepted: 06/09/2022] [Indexed: 12/12/2022]
Abstract
The Late Paleozoic acquisition of wings in insects represents one of the key steps in arthropod evolution. While the origin of wings has been a contentious matter for nearly two centuries, recent evolutionary developmental studies suggest either the participation of both tergal and pleural tissues in the formation of wings1 or wings originated from exites of the most proximal leg podite incorporated into the insect body wall.2 The so-called "dual hypothesis" for wing origins finds support from studies of embryology, evo-devo, and genomics, although the degree of the presumed contribution from tergal and pleural tissues differ.3-6 Ohde et al.,7 confirmed a major role for tergal tissue in the formation of the cricket wing and suggested that "wings evolved from the pre-existing lateral terga of a wingless insect ancestor." Additional work has focused on identifying partial serially homologous structures of wings on the prothorax8,9 and abdominal segments.10 Thus, several studies have suggested that the prothoracic horns in scarab beetles,9 gin traps of tenebrionid and scarab beetle pupae,11,12 or abdominal tracheal gills of mayfly larvae1,13 evolved from serial homologues of wings. Here, we present critical information from abdominal lateral outgrowths (flaps) of Paleozoic palaeodictyopteran larvae, which show comparable structure to thoracic wings, consisting of cordate lateral outgrowths antero-basally hinged by muscle attachments. These flaps therefore most likely represent wing serial homologues. The presence of these paired outgrowths on abdominal segments I-IX in early diverging Pterygota likely corresponds to crustacean epipods14,15 and resembles a hypothesized ancestral body plan of a "protopterygote" model.
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7
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DiFrisco J, Wagner GP, Love AC. Reframing research on evolutionary novelty and co-option: Character identity mechanisms versus deep homology. Semin Cell Dev Biol 2022; 145:3-12. [PMID: 35400563 DOI: 10.1016/j.semcdb.2022.03.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 01/31/2022] [Accepted: 03/23/2022] [Indexed: 11/27/2022]
Abstract
A central topic in research at the intersection of development and evolution is the origin of novel traits. Despite progress on understanding how developmental mechanisms underlie patterns of diversity in the history of life, the problem of novelty continues to challenge researchers. Here we argue that research on evolutionary novelty and the closely associated phenomenon of co-option can be reframed fruitfully by: (1) specifying a conceptual model of mechanisms that underwrite character identity, (2) providing a richer and more empirically precise notion of co-option that goes beyond common appeals to "deep homology", and (3) attending to the nature of experimental interventions that can determine whether and how the co-option of identity mechanisms can help to explain novel character origins. This reframing has the potential to channel future investigation to make substantive progress on the problem of evolutionary novelty. To illustrate this potential, we apply our reframing to two case studies: treehopper helmets and beetle horns.
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Affiliation(s)
| | - Günter P Wagner
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT, USA; Yale Systems Biology Institute, Yale University, New Haven, CT, USA; Department of Obstetrics, Gynecology and Reproductive Sciences, Yale Medical School, New Haven, CT, USA; Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI, USA
| | - Alan C Love
- Department of Philosophy, University of Minnesota, Minneapolis, MN, USA; Minnesota Center for Philosophy of Sciences, University of Minnesota, Minneapolis, MN, USA.
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8
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Butterfly eyespots evolved via cooption of an ancestral gene-regulatory network that also patterns antennae, legs, and wings. Proc Natl Acad Sci U S A 2022; 119:2108661119. [PMID: 35169073 PMCID: PMC8872758 DOI: 10.1073/pnas.2108661119] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/05/2022] [Indexed: 12/13/2022] Open
Abstract
Where do butterfly eyespots come from? One of the long-standing questions in the field of evolution concerns addressing where novel complex traits come from. Here we show that butterfly eyespots, a novel complex trait, likely originated from the redeployment of a preexisting gene-regulatory network regulating antennae, legs, and wings, to novel locations on the wing. Butterfly eyespots are beautiful novel traits with an unknown developmental origin. Here we show that eyespots likely originated via cooption of parts of an ancestral appendage gene-regulatory network (GRN) to novel locations on the wing. Using comparative transcriptome analysis, we show that eyespots cluster most closely with antennae, relative to multiple other tissues. Furthermore, three genes essential for eyespot development, Distal-less (Dll), spalt (sal), and Antennapedia (Antp), share similar regulatory connections as those observed in the antennal GRN. CRISPR knockout of cis-regulatory elements (CREs) for Dll and sal led to the loss of eyespots, antennae, legs, and also wings, demonstrating that these CREs are highly pleiotropic. We conclude that eyespots likely reused an ancient GRN for their development, a network also previously implicated in the development of antennae, legs, and wings.
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9
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Ohde T, Mito T, Niimi T. A hemimetabolous wing development suggests the wing origin from lateral tergum of a wingless ancestor. Nat Commun 2022; 13:979. [PMID: 35190538 PMCID: PMC8861169 DOI: 10.1038/s41467-022-28624-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 01/24/2022] [Indexed: 11/26/2022] Open
Abstract
The origin and evolution of the novel insect wing remain enigmatic after a century-long discussion. The mechanism of wing development in hemimetabolous insects, in which the first functional wings evolved, is key to understand where and how insect wings evolutionarily originate. This study explored the developmental origin and the postembryonic dramatic growth of wings in the cricket Gryllus bimaculatus. We find that the lateral tergal margin, which is homologous between apterygote and pterygote insects, comprises a growth organizer to expand the body wall to form adult wing blades in Gryllus. We also find that Wnt, Fat-Dachsous, and Hippo pathways are involved in the disproportional growth of Gryllus wings. These data provide insights into where and how insect wings originate. Wings evolved from the pre-existing lateral terga of a wingless insect ancestor, and the reactivation or redeployment of Wnt/Fat-Dachsous/Hippo-mediated feed-forward circuit might have expanded the lateral terga. Here, the authors investigate wing development in cricket and find support for evolution of the novel insect wing from the pre-existing dorsal body wall of a wingless ancestor by activation of an evolutionarily conserved growth mechanism.
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10
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Ballesteros JA, Santibáñez-López CE, Baker CM, Benavides LR, Cunha TJ, Gainett G, Ontano AZ, Setton EVW, Arango CP, Gavish-Regev E, Harvey MS, Wheeler WC, Hormiga G, Giribet G, Sharma PP. Comprehensive species sampling and sophisticated algorithmic approaches refute the monophyly of Arachnida. Mol Biol Evol 2022; 39:6522129. [PMID: 35137183 PMCID: PMC8845124 DOI: 10.1093/molbev/msac021] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Deciphering the evolutionary relationships of Chelicerata (arachnids, horseshoe crabs, and allied taxa) has proven notoriously difficult, due to their ancient rapid radiation and the incidence of elevated evolutionary rates in several lineages. Although conflicting hypotheses prevail in morphological and molecular data sets alike, the monophyly of Arachnida is nearly universally accepted, despite historical lack of support in molecular data sets. Some phylotranscriptomic analyses have recovered arachnid monophyly, but these did not sample all living orders, whereas analyses including all orders have failed to recover Arachnida. To understand this conflict, we assembled a data set of 506 high-quality genomes and transcriptomes, sampling all living orders of Chelicerata with high occupancy and rigorous approaches to orthology inference. Our analyses consistently recovered the nested placement of horseshoe crabs within a paraphyletic Arachnida. This result was insensitive to variation in evolutionary rates of genes, complexity of the substitution models, and alternative algorithmic approaches to species tree inference. Investigation of sources of systematic bias showed that genes and sites that recover arachnid monophyly are enriched in noise and exhibit low information content. To test the impact of morphological data, we generated a 514-taxon morphological data matrix of extant and fossil Chelicerata, analyzed in tandem with the molecular matrix. Combined analyses recovered the clade Merostomata (the marine orders Xiphosura, Eurypterida, and Chasmataspidida), but merostomates appeared nested within Arachnida. Our results suggest that morphological convergence resulting from adaptations to life in terrestrial habitats has driven the historical perception of arachnid monophyly, paralleling the history of numerous other invertebrate terrestrial groups.
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Affiliation(s)
- Jesús A Ballesteros
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Carlos E Santibáñez-López
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
- Department of Biology, Western Connecticut State University, Danbury, CT, 06810, USA
| | - Caitlin M Baker
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
- Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, Cambridge, MA, 02138, USA
| | - Ligia R Benavides
- Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, Cambridge, MA, 02138, USA
| | - Tauana J Cunha
- Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, Cambridge, MA, 02138, USA
- Smithsonian Tropical Research Institute, Panama City, Panama
| | - Guilherme Gainett
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Andrew Z Ontano
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Emily V W Setton
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Claudia P Arango
- Office for Research, Griffith University, Nathan, Queensland, 4111, Australia
| | - Efrat Gavish-Regev
- National Natural History Collections, The Hebrew University of Jerusalem, Jerusalem, 9190401, Israel
| | - Mark S Harvey
- Collections & Research, Western Australian Museum, Welshpool, Western Australia, 6106, Australia
- School of Biological Sciences, University of Western, Crawley, Western Australia, 6009, Australia; Australia
| | - Ward C Wheeler
- Division of Invertebrate Zoology, American Museum of Natural History, New York, NY, 10024, USA
| | - Gustavo Hormiga
- Department of Biological Sciences, George Washington University, Washington, DC, 20052, USA
| | - Gonzalo Giribet
- Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, Cambridge, MA, 02138, USA
| | - Prashant P Sharma
- Department of Integrative Biology, University of Wisconsin-Madison, Madison, WI, 53706, USA
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11
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Fisher CR, Kratovil JD, Angelini DR, Jockusch EL. Out from under the wing: reconceptualizing the insect wing gene regulatory network as a versatile, general module for body-wall lobes in arthropods. Proc Biol Sci 2021; 288:20211808. [PMID: 34933597 PMCID: PMC8692954 DOI: 10.1098/rspb.2021.1808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/29/2021] [Indexed: 12/24/2022] Open
Abstract
Body plan evolution often occurs through the differentiation of serially homologous body parts, particularly in the evolution of arthropod body plans. Recently, homeotic transformations resulting from experimental manipulation of gene expression, along with comparative data on the expression and function of genes in the wing regulatory network, have provided a new perspective on an old question in insect evolution: how did the insect wing evolve? We investigated the metamorphic roles of a suite of 10 wing- and body-wall-related genes in a hemimetabolous insect, Oncopeltus fasciatus. Our results indicate that genes involved in wing development in O. fasciatus play similar roles in the development of adult body-wall flattened cuticular evaginations. We found extensive functional similarity between the development of wings and other bilayered evaginations of the body wall. Overall, our results support the existence of a versatile development module for building bilayered cuticular epithelial structures that pre-dates the evolutionary origin of wings. We explore the consequences of reconceptualizing the canonical wing-patterning network as a bilayered body-wall patterning network, including consequences for long-standing debates about wing homology, the origin of wings and the origin of novel bilayered body-wall structures. We conclude by presenting three testable predictions that result from this reconceptualization.
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Affiliation(s)
- Cera R. Fisher
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
| | - Justin D. Kratovil
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
| | | | - Elizabeth L. Jockusch
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
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12
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Sultan SE, Moczek AP, Walsh D. Bridging the explanatory gaps: What can we learn from a biological agency perspective? Bioessays 2021; 44:e2100185. [PMID: 34747061 DOI: 10.1002/bies.202100185] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 12/24/2022]
Abstract
We begin this article by delineating the explanatory gaps left by prevailing gene-focused approaches in our understanding of phenotype determination, inheritance, and the origin of novel traits. We aim not to diminish the value of these approaches but to highlight where their implementation, despite best efforts, has encountered persistent limitations. We then discuss how each of these explanatory gaps can be addressed by expanding research foci to take into account biological agency-the capacity of living systems at various levels to participate in their own development, maintenance, and function by regulating their structures and activities in response to conditions they encounter. Here we aim to define formally what agency and agents are and-just as importantly-what they are not, emphasizing that agency is an empirical property connoting neither intention nor consciousness. Lastly, we discuss how incorporating agency helps to bridge explanatory gaps left by conventional approaches, highlight scientific fields in which implicit agency approaches are already proving valuable, and assess the opportunities and challenges of more systematically incorporating biological agency into research programs.
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Affiliation(s)
- Sonia E Sultan
- Department of Biology, Wesleyan University, Middletown, Connecticut, USA
| | - Armin P Moczek
- Department of Biology, Indiana University, Bloomington, Indiana, USA
| | - Denis Walsh
- Department of Philosophy, Institute for the History and Philosophy of Science and Technology, Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada
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13
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Tomoyasu Y. What crustaceans can tell us about the evolution of insect wings and other morphologically novel structures. Curr Opin Genet Dev 2021; 69:48-55. [PMID: 33647834 DOI: 10.1016/j.gde.2021.02.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 02/08/2023]
Abstract
Acquisition of novel structures often has a profound impact on the adaptation of organisms. The wing of insects is one such example, facilitating their massive success and enabling them to become the dominant clade on this planet. However, its evolutionary origin as well as the mechanisms underpinning its evolution remain elusive. Studies in crustaceans, a wingless sister group of insects, have played a pivotal role in the wing origin debate. Three recent investigations into the genes related to insect wings and legs in crustaceans provided intriguing insights into how and where insect wings evolved. Interestingly, each study proposes a distinct mechanism as a key process underlying insect wing evolution. Here, I discuss what we can learn about the evolution of insect wings and morphological novelty in general by synthesizing the outcomes of these studies.
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14
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Toyota K, Miyakawa H, Hiruta C, Sato T, Katayama H, Ohira T, Iguchi T. Sex Determination and Differentiation in Decapod and Cladoceran Crustaceans: An Overview of Endocrine Regulation. Genes (Basel) 2021; 12:genes12020305. [PMID: 33669984 PMCID: PMC7924870 DOI: 10.3390/genes12020305] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 02/07/2023] Open
Abstract
Mechanisms underlying sex determination and differentiation in animals are known to encompass a diverse array of molecular clues. Recent innovations in high-throughput sequencing and mass spectrometry technologies have been widely applied in non-model organisms without reference genomes. Crustaceans are no exception. They are particularly diverse among the Arthropoda and contain a wide variety of commercially important fishery species such as shrimps, lobsters and crabs (Order Decapoda), and keystone species of aquatic ecosystems such as water fleas (Order Branchiopoda). In terms of decapod sex determination and differentiation, previous approaches have attempted to elucidate their molecular components, to establish mono-sex breeding technology. Here, we overview reports describing the physiological functions of sex hormones regulating masculinization and feminization, and gene discovery by transcriptomics in decapod species. Moreover, this review summarizes the recent progresses of studies on the juvenile hormone-driven sex determination system of the branchiopod genus Daphnia, and then compares sex determination and endocrine systems between decapods and branchiopods. This review provides not only substantial insights for aquaculture research, but also the opportunity to re-organize the current and future trends of this field.
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Affiliation(s)
- Kenji Toyota
- Marine Biological Station, Sado Center for Ecological Sustainability, Niigata University, Sado, Niigata 952-2135, Japan
- Department of Biological Sciences, Faculty of Science, Kanagawa University, Hiratsuka, Kanagawa 259-1293, Japan;
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Katsushika, Tokyo 125-8585, Japan
- Correspondence: (K.T.); (T.S.); (T.I.)
| | - Hitoshi Miyakawa
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan;
| | - Chizue Hiruta
- Department of Biological Sciences, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan;
| | - Tomomi Sato
- Graduate School of Nanobioscience, Yokohama City University, Yokohama, Kanagawa 236-0027, Japan
- Correspondence: (K.T.); (T.S.); (T.I.)
| | - Hidekazu Katayama
- Department of Applied Biochemistry, School of Engineering, Tokai University, Kanagawa 259-1292, Japan;
| | - Tsuyoshi Ohira
- Department of Biological Sciences, Faculty of Science, Kanagawa University, Hiratsuka, Kanagawa 259-1293, Japan;
| | - Taisen Iguchi
- Graduate School of Nanobioscience, Yokohama City University, Yokohama, Kanagawa 236-0027, Japan
- Correspondence: (K.T.); (T.S.); (T.I.)
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15
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McKenna KZ, Wagner GP, Cooper KL. A developmental perspective of homology and evolutionary novelty. Curr Top Dev Biol 2021; 141:1-38. [PMID: 33602485 DOI: 10.1016/bs.ctdb.2020.12.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The development and evolution of multicellular body plans is complex. Many distinct organs and body parts must be reproduced at each generation, and those that are traceable over long time scales are considered homologous. Among the most pressing and least understood phenomena in evolutionary biology is the mode by which new homologs, or "novelties" are introduced to the body plan and whether the developmental changes associated with such evolution deserve special treatment. In this chapter, we address the concepts of homology and evolutionary novelty through the lens of development. We present a series of case studies, within insects and vertebrates, from which we propose a developmental model of multicellular organ identity. With this model in hand, we make predictions regarding the developmental evolution of body plans and highlight the need for more integrative analysis of developing systems.
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Affiliation(s)
- Kenneth Z McKenna
- Division of Biological Sciences, University of California San Diego, La Jolla, CA, United States
| | - Günter P Wagner
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT, United States.
| | - Kimberly L Cooper
- Division of Biological Sciences, University of California San Diego, La Jolla, CA, United States
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16
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Clark-Hachtel C, Fernandez-Nicolas A, Belles X, Tomoyasu Y. Tergal and pleural wing-related tissues in the German cockroach and their implication to the evolutionary origin of insect wings. Evol Dev 2021; 23:100-116. [PMID: 33503322 DOI: 10.1111/ede.12372] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/24/2020] [Accepted: 01/03/2021] [Indexed: 01/03/2023]
Abstract
The acquisition of wings has facilitated the massive evolutionary success of pterygotes (winged insects), which now make up nearly three-quarters of described metazoans. However, our understanding of how this crucial structure has evolved remains quite elusive. Historically, two ideas have dominated in the wing origin debate, one placing the origin in the dorsal body wall (tergum) and the other in the lateral pleural plates and the branching structures associated with these plates. Through studying wing-related tissues in the wingless segments (such as wing serial homologs) of the beetle, Tribolium castaneum, we obtained several crucial pieces of evidence that support a third idea, the dual origin hypothesis, which proposes that wings evolved from a combination of tergal and pleural tissues. Here, we extended our analysis outside of the beetle lineage and sought to identify wing-related tissues from the wingless segments of the cockroach, Blattella germanica. Through detailed functional and expression analyses for a critical wing gene, vestigial (vg), along with re-evaluating the homeotic transformation of a wingless segment induced by an improved RNA interference protocol, we demonstrate that B. germanica possesses two distinct tissues in their wingless segments, one with tergal and one with pleural nature, that might be evolutionarily related to wings. This outcome appears to parallel the reports from other insects, which may further support a dual origin of insect wings. However, we also identified a vg-independent tissue that contributes to wing formation upon homeotic transformation, as well as vg-dependent tissues that do not appear to participate in wing formation, in B. germanica, indicating a more complex evolutionary history of the tissues that contributed to the emergence of insect wings.
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Affiliation(s)
| | | | - Xavier Belles
- Institute of Evolutionary Biology, CSIC-Universitat Pompeu Fabra, Barcelona, Spain
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17
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Hu Y, Moczek AP. Wing serial homologues and the diversification of insect outgrowths: insights from the pupae of scarab beetles. Proc Biol Sci 2021; 288:20202828. [PMID: 33467999 DOI: 10.1098/rspb.2020.2828] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Modification of serially homologous structures is a common avenue towards functional innovation in developmental evolution, yet ancestral affinities among serial homologues may be obscured as structure-specific modifications accumulate over time. We sought to assess the degree of homology to wings of three types of body wall projections commonly observed in scarab beetles: (i) the dorsomedial support structures found on the second and third thoracic segments of pupae, (ii) the abdominal support structures found bilaterally in most abdominal segments of pupae, and (iii) the prothoracic horns which depending on species and sex may be restricted to pupae or also found in adults. We functionally investigated 14 genes within, as well as two genes outside, the canonical wing gene regulatory network to compare and contrast their role in the formation of each of the three presumed wing serial homologues. We found 11 of 14 wing genes to be functionally required for the proper formation of lateral and dorsal support structures, respectively, and nine for the formation of prothoracic horns. At the same time, we document multiple instances of divergence in gene function across our focal structures. Collectively, our results support the hypothesis that dorsal and lateral support structures as well as prothoracic horns share a developmental origin with insect wings. Our findings suggest that the morphological and underlying gene regulatory diversification of wing serial homologues across species, life stages and segments has contributed significantly to the extraordinary diversity of arthropod appendages and outgrowths.
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Affiliation(s)
- Yonggang Hu
- Department of Biology, Indiana University, Bloomington, IN 47405, USA
| | - Armin P Moczek
- Department of Biology, Indiana University, Bloomington, IN 47405, USA
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18
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19
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Bruce HS, Patel NH. Knockout of crustacean leg patterning genes suggests that insect wings and body walls evolved from ancient leg segments. Nat Ecol Evol 2020; 4:1703-1712. [PMID: 33262517 DOI: 10.1038/s41559-020-01349-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 10/15/2020] [Indexed: 01/06/2023]
Abstract
The origin of insect wings has long been debated. Central to this debate is whether wings are a novel structure on the body wall resulting from gene co-option, or evolved from an exite (outgrowth; for example, a gill) on the leg of an ancestral crustacean. Here, we report the phenotypes for the knockout of five leg patterning genes in the crustacean Parhyale hawaiensis and compare these with their previously published phenotypes in Drosophila and other insects. This leads to an alignment of insect and crustacean legs that suggests that two leg segments that were present in the common ancestor of insects and crustaceans were incorporated into the insect body wall, moving the proximal exite of the leg dorsally, up onto the back, to later form insect wings. Our results suggest that insect wings are not novel structures, but instead evolved from existing, ancestral structures.
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Affiliation(s)
- Heather S Bruce
- University of California, Berkeley, Berkeley, CA, USA. .,Marine Biological Laboratory, Woods Hole, MA, USA.
| | - Nipam H Patel
- Marine Biological Laboratory, Woods Hole, MA, USA.,Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL, USA
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20
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Linz DM, Hu Y, Moczek AP. From descent with modification to the origins of novelty. ZOOLOGY 2020; 143:125836. [PMID: 32911265 DOI: 10.1016/j.zool.2020.125836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 08/23/2020] [Indexed: 02/06/2023]
Abstract
Descent with modification is the foundational framework of all of evolution. Yet evolutionary novelties are defined as lacking affinities to structures that already existed in the ancestral state, i.e. to somehow emerge in the absence of homology. We posit that reconciling both perspectives necessitates the existence of a type of innovation gradient that allows descent with modification to seed the initiation of a novel trait, which once in existence can then diversify into its variant forms. Recent work on diverse, textbook examples of morphological novelties illustrate the value of the innovation gradient concept. Innovations as profound and diverse as insect wings, beetle horns, and treehopper helmets derive from homologous source tissues instructed in their development by homologous gene regulatory networks. Yet rather than rendering these traits no longer novel, we posit that discoveries such as these call for a reassessment of the usefulness of defining evolutionary novelty as necessitating the absence of homology. Instead, we need to redirect our attention to how ancestral homologies scaffold and bias the innovation gradient to facilitate hotspots of innovation in some places, and deep conservation elsewhere.
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Affiliation(s)
- David M Linz
- Department of Biology, Indiana University, Bloomington, IN, 47405, United States.
| | - Yonggang Hu
- Department of Biology, Indiana University, Bloomington, IN, 47405, United States
| | - Armin P Moczek
- Department of Biology, Indiana University, Bloomington, IN, 47405, United States
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