1
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Fissette SD, Buchinger TJ, Tamrakar S, Scott AM, Li W. Sensory trap leads to reliable communication without a shift in nonsexual responses to the model cue. Behav Ecol 2024; 35:arae006. [PMID: 38379814 PMCID: PMC10878365 DOI: 10.1093/beheco/arae006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 12/08/2023] [Accepted: 01/31/2024] [Indexed: 02/22/2024] Open
Abstract
The sensory trap model of signal evolution suggests that males manipulate females into mating using traits that mimic cues used in a nonsexual context. Despite much empirical support for sensory traps, little is known about how females evolve in response to these deceptive signals. Female sea lamprey (Petromyzon marinus) evolved to discriminate a male sex pheromone from the larval odor it mimics and orient only toward males during mate search. Larvae and males release the attractant 3-keto petromyzonol sulfate (3kPZS), but spawning females avoid larval odor using the pheromone antagonist, petromyzonol sulfate (PZS), which larvae but not males, release at higher rates than 3kPZS. We tested the hypothesis that migratory females also discriminate between larval odor and the male pheromone and orient only to larval odor during anadromous migration, when they navigate within spawning streams using larval odor before they begin mate search. In-stream behavioral assays revealed that, unlike spawning females, migratory females do not discriminate between mixtures of 3kPZS and PZS applied at ratios typical of larval versus male odorants. Our results indicate females discriminate between the sexual and nonsexual sources of 3kPZS during but not outside of mating and show sensory traps can lead to reliable sexual communication without females shifting their responses in the original context.
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Affiliation(s)
- Skye D Fissette
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Tyler J Buchinger
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Sonam Tamrakar
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Anne M Scott
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Weiming Li
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
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2
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Scott AM, Johnson NS, Siefkes MJ, Li W. Synergistic behavioral antagonists of a sex pheromone reduce reproduction of invasive sea lamprey. iScience 2023; 26:107744. [PMID: 37810212 PMCID: PMC10550721 DOI: 10.1016/j.isci.2023.107744] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 07/18/2023] [Accepted: 08/24/2023] [Indexed: 10/10/2023] Open
Abstract
Sex pheromones impart maximal attraction when their components are present at optimal ratios that confer balanced olfactory inputs in potential mates. Altering ratios or adding pheromone analogs to optimal mixtures may disrupt balanced olfactory antagonism and result in reduced attraction, however, tests in natural populations are lacking. We tested this hypothesis in sea lamprey (Petromyzon marinus), a fish whose male sex pheromone attracts females when two critical components, 3-keto petromyzonol sulfate (3kPZS) and petromyzonol sulfate (PZS), are present at certain ratios. Here, we report a pheromone analog, petromyzonol tetrasulfate (3sPZS), reduced female attraction to 3kPZS but not to PZS. 3sPZS mixed with additional PZS synergistically disrupted female attraction to the male pheromone and reduced spawning by 97% in a high-density population. Our results provide evidence of balanced olfactory antagonism in a vertebrate and establish a tactic to disrupt spawning of sea lamprey, a destructive invader of the Laurentian Great Lakes.
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Affiliation(s)
- Anne M. Scott
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48824, USA
| | - Nicholas S. Johnson
- U.S. Geological Survey, Great Lakes Science Center, Hammond Bay Biological Station, Millersburg, MI 49759, USA
| | | | - Weiming Li
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48824, USA
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3
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Feugere L, Bates A, Emagbetere T, Chapman E, Malcolm LE, Bulmer K, Hardege J, Beltran-Alvarez P, Wollenberg Valero KC. Heat induces multiomic and phenotypic stress propagation in zebrafish embryos. PNAS NEXUS 2023; 2:pgad137. [PMID: 37228511 PMCID: PMC10205475 DOI: 10.1093/pnasnexus/pgad137] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 04/11/2023] [Indexed: 05/27/2023]
Abstract
Heat alters biology from molecular to ecological levels, but may also have unknown indirect effects. This includes the concept that animals exposed to abiotic stress can induce stress in naive receivers. Here, we provide a comprehensive picture of the molecular signatures of this process, by integrating multiomic and phenotypic data. In individual zebrafish embryos, repeated heat peaks elicited both a molecular response and a burst of accelerated growth followed by a growth slowdown in concert with reduced responses to novel stimuli. Metabolomes of the media of heat treated vs. untreated embryos revealed candidate stress metabolites including sulfur-containing compounds and lipids. These stress metabolites elicited transcriptomic changes in naive receivers related to immune response, extracellular signaling, glycosaminoglycan/keratan sulfate, and lipid metabolism. Consequently, non-heat-exposed receivers (exposed to stress metabolites only) experienced accelerated catch-up growth in concert with reduced swimming performance. The combination of heat and stress metabolites accelerated development the most, mediated by apelin signaling. Our results prove the concept of indirect heat-induced stress propagation toward naive receivers, inducing phenotypes comparable with those resulting from direct heat exposure, but utilizing distinct molecular pathways. Group-exposing a nonlaboratory zebrafish line, we independently confirm that the glycosaminoglycan biosynthesis-related gene chs1 and the mucus glycoprotein gene prg4a, functionally connected to the candidate stress metabolite classes sugars and phosphocholine, are differentially expressed in receivers. This hints at the production of Schreckstoff-like cues in receivers, leading to further stress propagation within groups, which may have ecological and animal welfare implications for aquatic populations in a changing climate.
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Affiliation(s)
- Lauric Feugere
- Department of Biological and Marine Sciences, University of Hull, Kingston upon Hull HU6 7RX, UK
| | - Adam Bates
- Department of Biological and Marine Sciences, University of Hull, Kingston upon Hull HU6 7RX, UK
- Wellcome Sanger Institute, Hinxton CB10 1SA, UK
| | - Timothy Emagbetere
- Department of Biological and Marine Sciences, University of Hull, Kingston upon Hull HU6 7RX, UK
| | - Emma Chapman
- Department of Biological and Marine Sciences, University of Hull, Kingston upon Hull HU6 7RX, UK
| | - Linsey E Malcolm
- Biomedical Institute for Multimorbidities, Centre for Biomedicine, Hull York Medical School, University of Hull, Kingston upon Hull HU6 7RX, UK
| | - Kathleen Bulmer
- Biomedical Institute for Multimorbidities, Centre for Biomedicine, Hull York Medical School, University of Hull, Kingston upon Hull HU6 7RX, UK
| | - Jörg Hardege
- Department of Biological and Marine Sciences, University of Hull, Kingston upon Hull HU6 7RX, UK
| | - Pedro Beltran-Alvarez
- Biomedical Institute for Multimorbidities, Centre for Biomedicine, Hull York Medical School, University of Hull, Kingston upon Hull HU6 7RX, UK
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4
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The Tetrahydrofuran Motif in Marine Lipids and Terpenes. Mar Drugs 2022; 20:md20100642. [PMID: 36286465 PMCID: PMC9605582 DOI: 10.3390/md20100642] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/09/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
Abstract
Heterocycles are particularly common moieties within marine natural products. Specifically, tetrahydrofuranyl rings are present in a variety of compounds which present complex structures and interesting biological activities. Focusing on terpenoids, a high number of tetrahydrofuran-containing metabolites have been isolated during the last decades. They show promising biological activities, making them potential leads for novel antibiotics, antikinetoplastid drugs, amoebicidal substances, or anticancer drugs. Thus, they have attracted the attention of the synthetics community and numerous approaches to their total syntheses have appeared. Here, we offer the reader an overview of marine-derived terpenoids and related compounds, their isolation, structure determination, and a special focus on their total syntheses and biological profiles.
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5
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Sea Lamprey Alarm Cue Comprises Water- and Chloroform- Soluble Components. J Chem Ecol 2022; 48:704-717. [PMID: 36229713 PMCID: PMC9559537 DOI: 10.1007/s10886-022-01384-0] [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: 07/29/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 11/04/2022]
Abstract
A diversity of aquatic organisms manage predation risk by avoiding waters activated with conspecific alarm cues, a chemical mixture released from injuries. The sea lamprey (Petromyzon marinus) is a nocturnal migratory species that relies on its alarm cue to navigate around areas of predation risk when moving through river channels. Identification of the cue’s chemistry would allow managers to harness this innate behavioral response to guide migrating sea lamprey to traps (invasive population in the Laurentian Great Lakes) or to fish passage devices where dams block migrations in their native range. We pursued isolation of the sea lamprey alarm cue through behaviorally guided fractionation, fractionating the alarm cue into water-soluble and chloroform-soluble fractions, each of which elicited a substantial avoidance response. Recombining the two fractions restored full reactivity, suggesting the alarm cue mixture contains components that exhibit high solubility in water (e.g., nitrogenous compounds), chloroform (e.g., lipids), or perhaps materials that dissolve readily in either solvent. We further screened 13 individual compounds or pure isolates and 6 sub-fractions from the water-soluble fraction and found one of the pure isolates, isoleucine, evoked an avoidance response on its own, but not consistently when found in other mixtures. In a third experiment, we observed no behavioral response after recombining 32 compounds isolated and identified from the water-soluble fraction. These results confirm other suggestions that the process of elucidating alarm cue constituents is challenging. However, we suggest the pursuit is worthwhile given the strong evidence for the utility of alarm cues for use in the conservation and management of fishes and other aquatic organisms.
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6
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Chung-Davidson YW, Bussy U, Fissette SD, Scott AM, Li W. Bile acid production is life-stage and sex-dependent and affected by primer pheromones in the sea lamprey. J Exp Biol 2021; 224:jeb.229476. [PMID: 33758020 PMCID: PMC8181240 DOI: 10.1242/jeb.229476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 03/17/2021] [Indexed: 11/23/2022]
Abstract
Pheromonal bile salts are important for sea lampreys (Petromyzon marinus Linnaeus) to complete their life cycle. The synthesis and release of a releaser/primer pheromone 3-keto petromyzonol sulfate (3kPZS) by spermiating males have been well characterized. 3kPZS evokes sexual behaviors in ovulatory females, induces immediate 3kPZS release in spermiating males, and elicits neuroendocrine responses in prespawning adults. Another primer pheromone released by spermiating males, 3-keto allocholic acid (3kACA), antagonizes the neuroendocrine effects of 3kPZS in prespermiating males. However, the effects of 3kACA and 3kPZS on pheromone production in prespawning adults is unclear. To understand the foundation of pheromone production, we examined sea lamprey bile salt levels at different life stages. To investigate the priming effects of 3kACA and 3kPZS, we exposed prespawning adults with vehicle or synthetic 3kACA or 3kPZS. We hypothesized that endogenous bile salt levels were life-stage and sex-dependent, and differentially affected by 3kACA and 3kPZS in prespawning adults. Using ultra-performance liquid chromatography tandem mass spectrometry, we found that sea lampreys contained distinct mixtures of bile salts in the liver and plasma at different life stages. Males usually contained higher amounts of bile salts than females. Petromyzonamine disulfate was the most abundant C27 bile salt and petromyzonol sulfate was the most abundant C24 bile salt. Waterborne 3kACA and 3kPZS exerted differential effects on bile salt production in the liver and gill, their circulation and clearance in the plasma, and their release into water. We conclude that bile salt levels are life-stage and sex-dependent and differentially affected by primer pheromones.
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Affiliation(s)
- Yu-Wen Chung-Davidson
- Department of Fisheries and Wildlife, Michigan State University, Natural Resources Building, Rm. 13, 480 Wilson Road, East Lansing, MI 48824, U.S.A
| | - Ugo Bussy
- Department of Fisheries and Wildlife, Michigan State University, Natural Resources Building, Rm. 13, 480 Wilson Road, East Lansing, MI 48824, U.S.A
| | - Skye D Fissette
- Department of Fisheries and Wildlife, Michigan State University, Natural Resources Building, Rm. 13, 480 Wilson Road, East Lansing, MI 48824, U.S.A
| | - Anne M Scott
- Department of Fisheries and Wildlife, Michigan State University, Natural Resources Building, Rm. 13, 480 Wilson Road, East Lansing, MI 48824, U.S.A
| | - Weiming Li
- Department of Fisheries and Wildlife, Michigan State University, Natural Resources Building, Rm. 13, 480 Wilson Road, East Lansing, MI 48824, U.S.A
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7
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Li K, Siefkes MJ, Li W. Cervidins A-D: Novel Glycine Conjugated Fatty Acids from the Tarsal Gland of Male Whitetail Deer, Odocoileus virginianus. J Chem Ecol 2021; 47:243-247. [PMID: 33629151 DOI: 10.1007/s10886-021-01255-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 06/30/2020] [Accepted: 02/05/2021] [Indexed: 11/28/2022]
Abstract
Sexually mature male deer are known to rub-urinate, a process where urine is deposited on the tarsal gland. The resulting mixture of compounds from urine and secretions from the tarsal gland are used to signal sex, age, maturation status, and other information at close distance. We examined the difference in metabolites of tarsal gland extracts from male and female whitetail deer, Odocoileus virginianus, harvested during the mating season. Using NMR spectroscopy and high-pressure liquid chromatography linked to high resolution mass spectrometry (HPLC/HR-MS) we identified a homologous series of four male-specific compounds. The compounds are novel glycine conjugates of 10-hydroxy-6,9-oxido fatty acids, which we term cervidins A-D. Cervidins were deemed to possess the absolute configuration 6S,9R,10R through comparison of their spectroscopic data with those of known compounds. In addition, cholesterol 3-sulfate and 3-(3-hydroxyphenyl)-propanoic acid were found to be present in the extracts. Our results clearly demonstrate the diversity of potential semiochemicals contained in the mammalian integument.
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Affiliation(s)
- Ke Li
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI, 48824, USA.,Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China
| | | | - Weiming Li
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI, 48824, USA.
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8
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Simberloff D. Maintenance management and eradication of established aquatic invaders. HYDROBIOLOGIA 2021; 848:2399-2420. [PMID: 32836349 PMCID: PMC7407435 DOI: 10.1007/s10750-020-04352-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 07/01/2020] [Accepted: 07/08/2020] [Indexed: 05/04/2023]
Abstract
Although freshwater invasions have not been targeted for maintenance management or eradication as often as terrestrial invasions have, attempts to do so are frequent. Failures as well as successes abound, but several methods have been improved and new approaches are on the horizon. Many freshwater fish and plant invaders have been eliminated, especially by chemical and physical methods for fishes and herbicides for plants. Efforts to maintain invasive freshwater fishes at low levels have sometimes succeeded, although continuing the effort has proven challenging. By contrast, successful maintenance management of invasive freshwater plants is uncommon, although populations of several species have been managed by biological control. Invasive crayfish populations have rarely been controlled for long. Marine invasions have proven far less tractable than those in fresh water, with a few striking eradications of species detected before they had spread widely, and no marine invasions have been substantially managed for long at low levels. The rapid development of technologies based on genetics has engendered excitement about possibly eradicating or controlling terrestrial invaders, and such technologies may also prove useful for certain aquatic invaders. Methods of particular interest, alone or in various combinations, are gene-silencing, RNA-guided gene drives, and the use of transgenes.
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Affiliation(s)
- Daniel Simberloff
- Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37996 USA
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9
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Abstract
Vertebrates develop an olfactory system that detects odorants and pheromones through their interaction with specialized cell surface receptors on olfactory sensory neurons. During development, the olfactory system forms from the olfactory placodes, specialized areas of the anterior ectoderm that share cellular and molecular properties with placodes involved in the development of other cranial senses. The early-diverging chordate lineages amphioxus, tunicates, lampreys and hagfishes give insight into how this system evolved. Here, we review olfactory system development and cell types in these lineages alongside chemosensory receptor gene evolution, integrating these data into a description of how the vertebrate olfactory system evolved. Some olfactory system cell types predate the vertebrates, as do some of the mechanisms specifying placodes, and it is likely these two were already connected in the common ancestor of vertebrates and tunicates. In stem vertebrates, this evolved into an organ system integrating additional tissues and morphogenetic processes defining distinct olfactory and adenohypophyseal components, followed by splitting of the ancestral placode to produce the characteristic paired olfactory organs of most modern vertebrates.
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Affiliation(s)
- Guillaume Poncelet
- Department of Zoology, University of Oxford, 11a Mansfield Road, Oxford OX1 3SZ, UK
| | - Sebastian M Shimeld
- Department of Zoology, University of Oxford, 11a Mansfield Road, Oxford OX1 3SZ, UK
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10
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Mullapudi V, Ahmad I, Senapati S, Ramana CV. Total Synthesis of (+)-Petromyroxol, (-)- iso-Petromyroxol, and Possible Diastereomers. ACS OMEGA 2020; 5:25334-25348. [PMID: 33043213 PMCID: PMC7542842 DOI: 10.1021/acsomega.0c03674] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/10/2020] [Indexed: 06/11/2023]
Abstract
The total synthesis of (+)-petromyroxol (1) and its seven diastereomers including the (-)-iso-petromyroxol (2) is described. The employed strategy involves the use of easily available C5-epimeric epoxides 5 and 5' and nonselective anomeric C1-allylation, proceeding with or without inversion at C2, thereby giving the possibility of synthesizing all possible diastereomers. Extensive two-dimensional (2D) NMR analyses of all eight diastereomers have been carried out to assign the chemical shifts of the central carbons and the corresponding attached hydrogens and to learn how the C/H-chemical shifts of the tetrahydrofuran ring were influenced by the adjacent centers.
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Affiliation(s)
- Venkannababu Mullapudi
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
- Academy
of Scientific and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110002, India
| | - Iram Ahmad
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
| | - Sibadatta Senapati
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
- Academy
of Scientific and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110002, India
| | - Chepuri V. Ramana
- Division
of Organic Chemistry, CSIR-National Chemical
Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
- Academy
of Scientific and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110002, India
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11
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Pyšek P, Hulme PE, Simberloff D, Bacher S, Blackburn TM, Carlton JT, Dawson W, Essl F, Foxcroft LC, Genovesi P, Jeschke JM, Kühn I, Liebhold AM, Mandrak NE, Meyerson LA, Pauchard A, Pergl J, Roy HE, Seebens H, van Kleunen M, Vilà M, Wingfield MJ, Richardson DM. Scientists' warning on invasive alien species. Biol Rev Camb Philos Soc 2020; 95:1511-1534. [PMID: 32588508 PMCID: PMC7687187 DOI: 10.1111/brv.12627] [Citation(s) in RCA: 480] [Impact Index Per Article: 120.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 05/30/2020] [Accepted: 06/03/2020] [Indexed: 12/12/2022]
Abstract
Biological invasions are a global consequence of an increasingly connected world and the rise in human population size. The numbers of invasive alien species – the subset of alien species that spread widely in areas where they are not native, affecting the environment or human livelihoods – are increasing. Synergies with other global changes are exacerbating current invasions and facilitating new ones, thereby escalating the extent and impacts of invaders. Invasions have complex and often immense long‐term direct and indirect impacts. In many cases, such impacts become apparent or problematic only when invaders are well established and have large ranges. Invasive alien species break down biogeographic realms, affect native species richness and abundance, increase the risk of native species extinction, affect the genetic composition of native populations, change native animal behaviour, alter phylogenetic diversity across communities, and modify trophic networks. Many invasive alien species also change ecosystem functioning and the delivery of ecosystem services by altering nutrient and contaminant cycling, hydrology, habitat structure, and disturbance regimes. These biodiversity and ecosystem impacts are accelerating and will increase further in the future. Scientific evidence has identified policy strategies to reduce future invasions, but these strategies are often insufficiently implemented. For some nations, notably Australia and New Zealand, biosecurity has become a national priority. There have been long‐term successes, such as eradication of rats and cats on increasingly large islands and biological control of weeds across continental areas. However, in many countries, invasions receive little attention. Improved international cooperation is crucial to reduce the impacts of invasive alien species on biodiversity, ecosystem services, and human livelihoods. Countries can strengthen their biosecurity regulations to implement and enforce more effective management strategies that should also address other global changes that interact with invasions.
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Affiliation(s)
- Petr Pyšek
- Czech Academy of Sciences, Institute of Botany, Department of Invasion Ecology, Průhonice, CZ-252 43, Czech Republic.,Department of Ecology, Faculty of Science, Charles University, Viničná 7, Prague, CZ-128 44, Czech Republic.,Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland, 7602, South Africa
| | - Philip E Hulme
- Bio-Protection Research Centre, Lincoln University, Canterbury, New Zealand
| | - Dan Simberloff
- Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN, U.S.A
| | - Sven Bacher
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Tim M Blackburn
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland, 7602, South Africa.,Centre for Biodiversity and Environment Research, Department of Genetics, Evolution, and Environment, University College London, London, WC1E 6BT, U.K.,Institute of Zoology, Zoological Society of London, Regent's Park, London, NW1 4RY, U.K
| | - James T Carlton
- Maritime Studies Program, Williams College - Mystic Seaport, 75 Greenmanville, Mystic, CT, 06355, U.S.A
| | - Wayne Dawson
- Department of Biosciences, Durham University, South Road, Durham, DH1 3LE, U.K
| | - Franz Essl
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland, 7602, South Africa.,Division of Conservation Biology, Vegetation and Landscape Ecology, Department of Botany and Biodiversity Research, University of Vienna, Vienna, Austria
| | - Llewellyn C Foxcroft
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland, 7602, South Africa.,Conservation Services, South African National Parks, Private Bag X402, Skukuza, 1350, South Africa
| | - Piero Genovesi
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland, 7602, South Africa.,ISPRA, Institute for Environmental Protection and Research and Chair IUCN SSC Invasive Species Specialist Group, Rome, Italy
| | - Jonathan M Jeschke
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Müggelseedamm 310, Berlin, 12587, Germany.,Institute of Biology, Freie Universität Berlin, Königin-Luise-Str. 1-3, Berlin, 14195, Germany.,Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Königin-Luise-Str. 2-4, Berlin, 14195, Germany
| | - Ingolf Kühn
- Department Community Ecology, Helmholtz Centre for Environmental Research - UFZ, Theodor-Lieser-Str. 4, Halle, 06120, Germany.,Geobotany & Botanical Garden, Martin Luther University Halle-Wittenberg, Am Kirchtor 1, Halle, 06108, Germany.,German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, Leipzig, 04103, Germany
| | - Andrew M Liebhold
- US Forest Service Northern Research Station, 180 Canfield St., Morgantown, West Virginia, U.S.A.,Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, CZ-165 00, Czech Republic
| | - Nicholas E Mandrak
- Department of Biological Sciences, University of Toronto, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada
| | - Laura A Meyerson
- Department of Natural Resources Science, The University of Rhode Island, Kingston, Rhode Island, 02881, U.S.A
| | - Aníbal Pauchard
- Facultad de Ciencias Forestales, Universidad de Concepción, Concepción, Chile.,Institute of Ecology and Biodiversity, Santiago, Chile
| | - Jan Pergl
- Czech Academy of Sciences, Institute of Botany, Department of Invasion Ecology, Průhonice, CZ-252 43, Czech Republic
| | - Helen E Roy
- U.K. Centre for Ecology & Hydrology, Wallingford, OX10 8BB, U.K
| | - Hanno Seebens
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Senckenberganlage 25, Frankfurt am Main, 60325, Germany
| | - Mark van Kleunen
- Ecology, Department of Biology, University of Konstanz, Universitätsstrasse 10, Constance, 78457, Germany.,Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou, 318000, China
| | - Montserrat Vilà
- Estación Biológica de Doñana (EBD-CSIC), Avd. Américo Vespucio 26, Isla de la Cartuja, Sevilla, 41092, Spain.,Department of Plant Biology and Ecology, University of Sevilla, Sevilla, Spain
| | - Michael J Wingfield
- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - David M Richardson
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland, 7602, South Africa
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12
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Boulêtreau S, Carry L, Meyer E, Filloux D, Menchi O, Mataix V, Santoul F. High predation of native sea lamprey during spawning migration. Sci Rep 2020; 10:6122. [PMID: 32273527 PMCID: PMC7145853 DOI: 10.1038/s41598-020-62916-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 03/17/2020] [Indexed: 11/09/2022] Open
Abstract
Sea lamprey (Petromyzon marinus) is a unique jawless vertebrate among the most primitive of all living vertebrates. This migratory fish is endangered in much of its native area due to dams, overfishing, pollution, and habitat loss. An introduced predator, the European catfish (Silurus glanis), is now widespread in Western and Southern European freshwaters, adding a new threat for sea lamprey migrating into freshwater to spawn. Here, we use a new prototype predation tag coupled with RFID telemetry on 49 individuals from one of the largest sea lamprey European populations (Southwestern France) to quantify the risk of predation for adult sea lampreys during its spawning migration in rivers with large populations of European catfish. We found that at least 80% of tagged sea lampreys (39 among 49) were preyed upon within one month, and that 50% of the released lampreys were rapidly consumed on average 8 days after tagging. This very high predation rate suggests that the European catfish represents a supplementary serious threat of extirpation for the native sea lamprey population we studied. This threat is likely to happen throughout most of the native lamprey distribution area, as the European catfish is becoming established almost everywhere the sea lamprey is.
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Affiliation(s)
| | | | | | | | | | - Vincent Mataix
- EDF, Développement Durable, 4 rue Claude Marie Perroud, 31096, Toulouse, France
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A pheromone antagonist liberates female sea lamprey from a sensory trap to enable reliable communication. Proc Natl Acad Sci U S A 2020; 117:7284-7289. [PMID: 32184327 PMCID: PMC7132252 DOI: 10.1073/pnas.1921394117] [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] [Indexed: 11/18/2022] Open
Abstract
In many animals, males deceive females into mating using traits that mimic cues of food, predators, preferred habitats, or offspring in need of care. However, if and how these deceptive signals guide reliable communication without females confusing the mimic and the model remain unclear. We discovered that female sea lamprey discriminate a nonsexual cue of productive habitat from the deceptive male sex pheromone that mimics it and identify a pheromone antagonist as the underlying mechanism. Our results implicate a means by which females can detect and benefit from male deceit and could have applications for control of destructive populations of sea lamprey in the Laurentian Great Lakes. The evolution of male signals and female preferences remains a central question in the study of animal communication. The sensory trap model suggests males evolve signals that mimic cues used in nonsexual contexts and thus manipulate female behavior to generate mating opportunities. Much evidence supports the sensory trap model, but how females glean reliable information from both mimetic signals and their model cues remains unknown. We discovered a mechanism whereby a manipulative male signal guides reliable communication in sea lamprey (Petromyzon marinus). Migratory sea lamprey follow a larval cue into spawning streams; once sexually mature, males release a pheromone that mimics the larval cue and attracts females. Females conceivably benefit from the mimetic pheromone during mate search but must discriminate against the model cue to avoid orienting toward larvae in nearby nursery habitats. We tested the hypothesis that spawning females respond to petromyzonol sulfate (PZS) as a behavioral antagonist to avoid attraction to the larval cue while tracking the male pheromone despite each containing attractive 3-keto petromyzonol sulfate (3kPZS). We found 1) PZS inhibited electrophysiological responses to 3kPZS and abated preferences for 3kPZS when mixed at the same or greater concentrations, 2) larvae released more PZS than 3kPZS whereas males released more 3kPZS than PZS, and 3) mixtures of 3kPZS and PZS applied at ratios measured in larval and male odorants resulted in the discrimination observed between the natural odors. Our study elucidates how communication systems that arise via deception can facilitate reliable communication.
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Johnson NS, Lewandoski SA, Alger BJ, O'Connor L, Bravener G, Hrodey P, Huerta B, Barber J, Li W, Wagner CM, Siefkes MJ. Behavioral Responses of Sea Lamprey to Varying Application Rates of a Synthesized Pheromone in Diverse Trapping Scenarios. J Chem Ecol 2020; 46:233-249. [PMID: 31970605 DOI: 10.1007/s10886-020-01151-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/12/2020] [Accepted: 01/16/2020] [Indexed: 10/25/2022]
Abstract
Use of the first fish pheromone biopesticide, 3-keto petromyzonol sulfate (3kPZS) in sea lamprey (Petromyzon marinus) control requires an understanding of both how the amount 3kPZS applied to a trap relates to catch, and how that relationship varies among stream types. By conducting 3kPZS dose-response experiments over two years and across six varied trapping contexts, we conclude (1) that 3kPZS application is best standardized by how much is emitted from the trap instead of the fully mixed concentration achieved downstream, and (2) that 3kPZS is more effective in wide streams (>30 m). In wide streams, emission of 3kPZS at 50 mg hr.-1 from the trap increased capture rate by 10-15% as sea lamprey were 25-50% more likely to enter the trap after encounter. However, in narrow streams (< 15 m), 50 mg hr.-1 3kPZS generally reduced probabilities of upstream movement, trap encounter, and entrance. While 3kPZS significantly influenced upstream movement, encounter, and capture probabilities, these behaviors were also highly influenced by water temperature, stream width, sea lamprey length, and sex. This study highlights that a pheromone component in a stream environment does not ubiquitously increase trap catch in all contexts, but that where, how, and when the pheromone is applied has major impacts on whether it benefits or hinders trapping efforts.
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Affiliation(s)
- Nicholas S Johnson
- U. S. Geological Survey, Great Lakes Science Center, Hammond Bay Biological Station, 11188 Ray Road, Millersburg, MI, 49759, USA.
| | - Sean A Lewandoski
- U. S. Fish and Wildlife Service, Marquette Biological Station, 3090 Wright St, Marquette, MI, 49855, USA
| | - Bethany J Alger
- U. S. Geological Survey, Great Lakes Science Center, Hammond Bay Biological Station, 11188 Ray Road, Millersburg, MI, 49759, USA
| | - Lisa O'Connor
- Fisheries and Oceans Canada, Great Lakes Laboratory for Fisheries and Aquatic Sciences, 1219 Queen Street, East Sault Ste., Marie, ON, Canada
| | - Gale Bravener
- Fisheries and Oceans Canada, Sea Lamprey Control Centre, 1219 Queen Street, East Sault Ste., Marie, ON, P6A 2E5, USA
| | - Peter Hrodey
- U. S. Fish and Wildlife Service, Marquette Biological Station, 3090 Wright St, Marquette, MI, 49855, USA
| | - Belinda Huerta
- Department of Fisheries and Wildlife, Michigan State University, Room 13 Natural Resources Building, East Lansing, MI, 48824, USA
| | - Jessica Barber
- U. S. Fish and Wildlife Service, Marquette Biological Station, 3090 Wright St, Marquette, MI, 49855, USA
| | - Weiming Li
- Department of Fisheries and Wildlife, Michigan State University, Room 13 Natural Resources Building, East Lansing, MI, 48824, USA
| | - C Michael Wagner
- Department of Fisheries and Wildlife, Michigan State University, Room 13 Natural Resources Building, East Lansing, MI, 48824, USA
| | - Michael J Siefkes
- Great Lakes Fishery Commission, 2100 Commonwealth Blvd., Suite 100, Ann Arbor, MI, 48105, USA
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Buchinger TJ, Bussy U, Li K, Jia L, Baker CF, Buchinger EG, Zhe Z, Johnson NS, Li W. Intra- and Interspecific Variation in Production of Bile Acids That Act as Sex Pheromones in Lampreys. Physiol Biochem Zool 2019; 92:463-472. [DOI: 10.1086/705278] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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