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Genevcius BC, Calandriello DC, Torres TT. Molecular and Developmental Signatures of Genital Size Macro-Evolution in Bugs. Mol Biol Evol 2022; 39:6742344. [PMID: 36181434 PMCID: PMC9585474 DOI: 10.1093/molbev/msac211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Our understanding of the genetic architecture of phenotypic traits has experienced drastic growth over the last years. Nevertheless, the majority of studies associating genotypes and phenotypes have been conducted at the ontogenetic level. Thus, we still have an elusive knowledge of how these genetic-developmental architectures evolve themselves and how their evolution is mirrored in the phenotypic change across evolutionary time. We tackle this gap by reconstructing the evolution of male genital size, one of the most complex traits in insects, together with its underlying genetic architecture. Using the order Hemiptera as a model, spanning over 350 million years of evolution, we estimate the correlation between genitalia and three features: development rate, body size, and rates of DNA substitution in 68 genes associated with genital development. We demonstrate that genital size macro-evolution has been largely dependent on body size and weakly influenced by development rate and phylogenetic history. We further revealed significant correlations between mutation rates and genital size for 19 genes. Interestingly, these genes have diverse functions and participate in distinct signaling pathways, suggesting that genital size is a complex trait whose fast evolution has been enabled by molecular changes associated with diverse morphogenetic processes. Our data further demonstrate that the majority of DNA evolution correlated with the genitalia has been shaped by negative selection or neutral evolution. Thus, in terms of sequence evolution, changes in genital size are predominantly facilitated by relaxation of constraints rather than positive selection, possibly due to the high pleiotropic nature of the morphogenetic genes.
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Affiliation(s)
| | - Denis C Calandriello
- Department of Genetics and Evolutionary Biology, University of Sao Paulo, Sao Paulo (SP), Brazil
| | - Tatiana T Torres
- Department of Genetics and Evolutionary Biology, University of Sao Paulo, Sao Paulo (SP), Brazil
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2
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Zhang F, Chen X, Zeng C, Wen L, Zhao Y, Peng Y. Modest sexual size dimorphism and allometric growth: a study based on growth and gonad development in the wolf spider Pardosa pseudoannulata (Araneae: Lycosidae). Biol Open 2021; 10:273630. [PMID: 34889957 PMCID: PMC8679722 DOI: 10.1242/bio.058771] [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: 04/20/2021] [Accepted: 10/28/2021] [Indexed: 11/20/2022] Open
Abstract
Sexual size dimorphism (SSD) is a notable phenomenon in terrestrial animals, and it is correlated with unusual morphological traits. To date, the underlying sex-specific growth strategies throughout the ontogenetic stage of spiders are poorly understood. Here, we comprehensively investigated how the growth trajectories and gonad development shaped SSD in the wolf spider Pardosa pseudoannulata (Araneae: Lycosidae). We also hypothesized the potential growth allometry among the carapace, abdomen, and gonads of spiders in both sexes. By measuring the size of the carapace and abdomen, investigating developmental duration and growth rate, describing the gonadal sections, and calculating the area of gonads at all instars from hatching to maturity, we demonstrated that SSD results from sex-specific growth strategies. Our results indicated that the growth and developmental differences between both sexes appeared at early life stages, and there was allometric growth in the carapace, abdomen, and gonads between males and females.
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Affiliation(s)
- Fan Zhang
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China.,State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Xiaoqiong Chen
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Chi Zeng
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Lelei Wen
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, College of Life Science and Technology, Hubei Engineering University, Xiaogan 432000, China
| | - Yao Zhao
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Yu Peng
- Hubei Key Laboratory of Regional Development and Environmental Response, Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China
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Lai J, Maddison WP, Ma H, Zhang J. Intra‐specific variation of non‐genitalic and genitalic traits in two euophryine jumping spider species. J Zool (1987) 2020. [DOI: 10.1111/jzo.12856] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- J. Lai
- The Key Laboratory of Invertebrate Systematics and Application, College of Life Sciences, Institute of Life Science and Green Development Hebei University Baoding Hebei China
| | - W. P. Maddison
- Departments of Zoology and Botany and Beaty Biodiversity Museum University of British Columbia Vancouver BC Canada
| | - H. Ma
- Hebei Key Laboratory of Wetland Ecology and Conservation Hengshui University Hengshui Hebei China
| | - J. Zhang
- The Key Laboratory of Invertebrate Systematics and Application, College of Life Sciences, Institute of Life Science and Green Development Hebei University Baoding Hebei China
- Hebei Key Laboratory of Wetland Ecology and Conservation Hengshui University Hengshui Hebei China
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Lv B, Wang J, Peng Y, Wang Z, Song Q. Long-term cadmium exposure affects cell adhesion and expression of cadherin in the male genital organ of Pardosa pseudoannulata (Bösenberg & Strand, 1906). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:17770-17778. [PMID: 32162219 DOI: 10.1007/s11356-020-07968-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 02/02/2020] [Indexed: 06/10/2023]
Abstract
Pardosa pseudoannulata (Araneae: Lycosidae), as an important predator of crop pests, has served as a strong driver for ecological regulation of pests. Cadmium (Cd) is a toxic heavy metal widely distributed in the soil in China, which not only seriously pollutes the ecological environment, but also poses a great threat to the survival of organisms. Palpal bulbs are the genital organs of male spiders, playing an important role in reproductive physiology. However, the effects of long-term Cd stress on the genital organ of the primary pest predator were poorly understood. Therefore, we investigated the Cd effect on the male palpal organ of P. pseudoannulata at morphological and gene expression levels. The results showed that no obvious difference in the morphology between the Cd-treated and control groups was observed, but cell adhesion was affected at molecular level. Transcriptome sequencing analysis revealed that under long-term Cd stress, the biological processes including cell-cell adhesion via plasma-membrane adhesion molecules, cell-cell adhesion, and homophilic cell adhesion via plasma membrane adhesion molecules were the top three differentially expressed terms (p-adj < 0.001), and 51 unigenes were annotated into cadherin-related proteins, such as protocadherin, cadherin-87A, and cadherin-96Ca, among which, 18 unigenes were significantly upregulated under the Cd stress. Our outcomes indicate that the differentially expressed genes involved in cell adhesion may explain the negative effects of Cd stress on the spider genital organ, and the comprehensive transcriptome dataset will also provide a profound molecular information of the genital organ of P. pseudoannulata.
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Affiliation(s)
- Bo Lv
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Juan Wang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Yuande Peng
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, Hunan, China
| | - Zhi Wang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China.
| | - Qisheng Song
- Division of Plant Sciences, University of Missouri, Columbia, MO, 65211, USA
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Kuntner M, Coddington JA. Sexual Size Dimorphism: Evolution and Perils of Extreme Phenotypes in Spiders. ANNUAL REVIEW OF ENTOMOLOGY 2020; 65:57-80. [PMID: 31573828 DOI: 10.1146/annurev-ento-011019-025032] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Sexual size dimorphism is one of the most striking animal traits, and among terrestrial animals, it is most extreme in certain spider lineages. The most extreme sexual size dimorphism (eSSD) is female biased. eSSD itself is probably an epiphenomenon of gendered evolutionary drivers whose strengths and directions are diverse. We demonstrate that eSSD spider clades are aberrant by sampling randomly across all spiders to establish overall averages for female (6.9 mm) and male (5.6 mm) size. At least 16 spider eSSD clades exist. We explore why the literature does not converge on an overall explanation for eSSD and propose an equilibrium model featuring clade- and context-specific drivers of gender size variation. eSSD affects other traits such as sexual cannibalism, genital damage, emasculation, and monogyny with terminal investment. Coevolution with these extreme sexual phenotypes is termed eSSD mating syndrome. Finally, as costs of female gigantism increase with size, eSSD may represent an evolutionary dead end.
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Affiliation(s)
- Matjaž Kuntner
- Evolutionary Zoology Laboratory, Department of Organisms and Ecosystems Research, National Institute of Biology, SI-1000 Ljubljana, Slovenia;
- Department of Entomology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560-0105, USA;
- Evolutionary Zoology Laboratory, Institute of Biology ZRC SAZU, SI-1001 Ljubljana, Slovenia
| | - Jonathan A Coddington
- Department of Entomology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560-0105, USA;
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Kuntner M, Hamilton CA, Cheng RC, Gregorič M, Lupše N, Lokovšek T, Lemmon EM, Lemmon AR, Agnarsson I, Coddington JA, Bond JE. Golden Orbweavers Ignore Biological Rules: Phylogenomic and Comparative Analyses Unravel a Complex Evolution of Sexual Size Dimorphism. Syst Biol 2019; 68:555-572. [PMID: 30517732 PMCID: PMC6568015 DOI: 10.1093/sysbio/syy082] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 11/20/2018] [Accepted: 11/26/2018] [Indexed: 11/14/2022] Open
Abstract
Instances of sexual size dimorphism (SSD) provide the context for rigorous tests of biological rules of size evolution, such as Cope's rule (phyletic size increase), Rensch's rule (allometric patterns of male and female size), as well as male and female body size optima. In certain spider groups, such as the golden orbweavers (Nephilidae), extreme female-biased SSD (eSSD, female:male body length $\ge$2) is the norm. Nephilid genera construct webs of exaggerated proportions, which can be aerial, arboricolous, or intermediate (hybrid). First, we established the backbone phylogeny of Nephilidae using 367 anchored hybrid enrichment markers, then combined these data with classical markers for a reference species-level phylogeny. Second, we used the phylogeny to test Cope and Rensch's rules, sex specific size optima, and the coevolution of web size, type, and features with female and male body size and their ratio, SSD. Male, but not female, size increases significantly over time, and refutes Cope's rule. Allometric analyses reject the converse, Rensch's rule. Male and female body sizes are uncorrelated. Female size evolution is random, but males evolve toward an optimum size (3.2-4.9 mm). Overall, female body size correlates positively with absolute web size. However, intermediate sized females build the largest webs (of the hybrid type), giant female Nephila and Trichonephila build smaller webs (of the aerial type), and the smallest females build the smallest webs (of the arboricolous type). We propose taxonomic changes based on the criteria of clade age, monophyly and exclusivity, classification information content, and diagnosability. Spider families, as currently defined, tend to be between 37 million years old and 98 million years old, and Nephilidae is estimated at 133 Ma (97-146), thus deserving family status. We, therefore, resurrect the family Nephilidae Simon 1894 that contains Clitaetra Simon 1889, the Cretaceous GeratonephilaPoinar and Buckley (2012), Herennia Thorell 1877, IndoetraKuntner 2006, new rank, Nephila Leach 1815, Nephilengys L. Koch 1872, Nephilingis Kuntner 2013, Palaeonephila Wunderlich 2004 from Tertiary Baltic amber, and TrichonephilaDahl 1911, new rank. We propose the new clade Orbipurae to contain Araneidae Clerck 1757, Phonognathidae Simon 1894, new rank, and Nephilidae. Nephilid female gigantism is a phylogenetically ancient phenotype (over 100 Ma), as is eSSD, though their magnitudes vary by lineage.
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Affiliation(s)
- Matjaž Kuntner
- Evolutionary Zoology Laboratory, Department of Organisms and Ecosystems Research, National Institute of Biology, Večna pot 111, SI-1000 Ljubljana, Slovenia
- Evolutionary Zoology Laboratory, Biological Institute ZRC SAZU, Novi trg 2, SI-1001 Ljubljana, Slovenia
- Department of Entomology, National Museum of Natural History, Smithsonian Institution, 10th and Constitution, NW, Washington, DC 20560-0105, USA
- Centre for Behavioural Ecology and Evolution, College of Life Sciences, Hubei University, 368 Youyi Road, Wuhan, Hubei 430062, China
| | - Chris A Hamilton
- Department of Entomology, Plant Pathology, & Nematology, University of Idaho, 875 Perimeter Dr. MS 2329, Moscow, ID 83844-2329, USA
| | - Ren-Chung Cheng
- Evolutionary Zoology Laboratory, Biological Institute ZRC SAZU, Novi trg 2, SI-1001 Ljubljana, Slovenia
- Department of Life Sciences, National Chung Hsing University, No.145 Xingda Rd., South Dist., Taichung City 402, Taiwan
| | - Matjaž Gregorič
- Evolutionary Zoology Laboratory, Biological Institute ZRC SAZU, Novi trg 2, SI-1001 Ljubljana, Slovenia
| | - Nik Lupše
- Evolutionary Zoology Laboratory, Biological Institute ZRC SAZU, Novi trg 2, SI-1001 Ljubljana, Slovenia
- Division of Animal Evolutionary Biology, Department of Zoology, Faculty of Science, Charles University, Viničná 7, 128 44 Prague, Czech Republic
| | - Tjaša Lokovšek
- Evolutionary Zoology Laboratory, Biological Institute ZRC SAZU, Novi trg 2, SI-1001 Ljubljana, Slovenia
| | - Emily Moriarty Lemmon
- Department of Biological Science, Florida State University, 319 Stadium Dr., Tallahassee, FL 32306-4295, USA
| | - Alan R Lemmon
- Department of Scientific Computing, Florida State University, 400 Dirac Science Library, Tallahassee, FL 32306-4120, USA
| | - Ingi Agnarsson
- Department of Entomology, National Museum of Natural History, Smithsonian Institution, 10th and Constitution, NW, Washington, DC 20560-0105, USA
- Department of Biology, University of Vermont, 316 Marsh Life Science Building, 109 Carrigan Drive, Burlington, VT 05405-0086, USA
| | - Jonathan A Coddington
- Department of Entomology, National Museum of Natural History, Smithsonian Institution, 10th and Constitution, NW, Washington, DC 20560-0105, USA
| | - Jason E Bond
- Department of Entomology and Nematology, University of California Davis, 1 Shields Drive, Davis, CA 95616, USA
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Genevcius BC, Caetano DS, Schwertner CF. Rapid differentiation and asynchronous coevolution of male and female genitalia in stink bugs. J Evol Biol 2017; 30:461-473. [DOI: 10.1111/jeb.13026] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 10/27/2016] [Accepted: 12/07/2016] [Indexed: 02/04/2023]
Affiliation(s)
- B. C. Genevcius
- Department of Ecology and Evolutionary Biology; Graduate Program in Ecology and Evolution; Federal University of São Paulo; Diadema SP Brazil
- Museum of Zoology (MZUSP); University of São Paulo; São Paulo SP Brazil
| | - D. S. Caetano
- Department of Biological Sciences; University of Idaho; Moscow ID USA
| | - C. F. Schwertner
- Department of Ecology and Evolutionary Biology; Graduate Program in Ecology and Evolution; Federal University of São Paulo; Diadema SP Brazil
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Kuntner M, Cheng RC, Kralj-Fišer S, Liao CP, Schneider JM, Elgar MA. The evolution of genital complexity and mating rates in sexually size dimorphic spiders. BMC Evol Biol 2016; 16:242. [PMID: 27829358 PMCID: PMC5103378 DOI: 10.1186/s12862-016-0821-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 10/28/2016] [Indexed: 11/10/2022] Open
Abstract
Background Genital diversity may arise through sexual conflict over polyandry, where male genital features function to manipulate female mating frequency against her interest. Correlated genital evolution across animal groups is consistent with this view, but a link between genital complexity and mating rates remains to be established. In sexually size dimorphic spiders, golden orbweaving spiders (Nephilidae) males mutilate their genitals to form genital plugs, but these plugs do not always prevent female polyandry. In a comparative framework, we test whether male and female genital complexity coevolve, and how these morphologies, as well as sexual cannibalism, relate to the evolution of mating systems. Results Using a combination of comparative tests, we show that male genital complexity negatively correlates with female mating rates, and that levels of sexual cannibalism negatively correlate with male mating rates. We also confirm a positive correlation between male and female genital complexity. The macroevolutionary trajectory is consistent with a repeated evolution from polyandry to monandry coinciding with the evolution towards more complex male genitals. Conclusions These results are consistent with the predictions from sexual conflict theory, although sexual conflict may not be the only mechanism responsible for the evolution of genital complexity and mating systems. Nevertheless, our comparative evidence suggests that in golden orbweavers, male genital complexity limits female mating rates, and sexual cannibalism by females coincides with monogyny. Electronic supplementary material The online version of this article (doi:10.1186/s12862-016-0821-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Matjaž Kuntner
- Institute of Biology, Research Centre of the Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia. .,National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.
| | - Ren-Chung Cheng
- Institute of Biology, Research Centre of the Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia
| | - Simona Kralj-Fišer
- Institute of Biology, Research Centre of the Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia
| | - Chen-Pan Liao
- Department of Life Science, Tunghai University, Taichung, Taiwan
| | - Jutta M Schneider
- Zoological Institute, Biozentrum Grindel, University of Hamburg, Hamburg, Germany
| | - Mark A Elgar
- School of BioSciences, University of Melbourne, Victoria, 3010, Australia
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