Marine chemical ecology: chemical signals and cues structure marine populations, communities, and ecosystems.

doi:10.1146/ANNUREV.MARINE.010908.163708

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Marine chemical ecology: chemical signals and cues structure marine populations, communities, and ecosystems.

Journal Article•DOI•

Marine chemical ecology: chemical signals and cues structure marine populations, communities, and ecosystems.

Mark E. Hay¹•Institutions (1)

Georgia Institute of Technology¹

25 Mar 2009-Annual Review of Marine Science (Annual Reviews)-Vol. 1, Iss: 1, pp 193-212

TL;DR: How chemical cues regulate critical aspects of the behavior of marine organisms from bacteria to phytoplankton to benthic invertebrates and water column fishes is reviewed.

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Abstract: Chemical cues constitute much of the language of life in the sea. Our understanding of biotic interactions and their effects on marine ecosystems will advance more rapidly if this language is studied and understood. Here, I review how chemical cues regulate critical aspects of the behavior of marine organisms from bacteria to phytoplankton to benthic invertebrates and water column fishes. These chemically mediated interactions strongly affect population structure, community organization, and ecosystem function. Chemical cues determine foraging strategies, feeding choices, commensal associations, selection of mates and habitats, competitive interactions, and transfer of energy and nutrients within and among ecosystems. In numerous cases, the indirect effects of chemical signals on behavior have as much or more effect on community structure and function as the direct effects of consumers and pathogens. Chemical cues are critical for understanding marine systems, but their omnipresence and impact are inadequ...

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Multiple-stressor effects of ocean acidification, warming and predation risk cues on the early ontogeny of a rocky-shore keystone gastropod.

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Patricio H. Manríquez, María Elisa Jara, Claudio P. González, Katherine Jeno, Paolo Demenici, Sue-Ann Watson, Cristian Duarte, Katherina Brokordt - Show less +4 more

01 Feb 2022-Environmental Pollution

TL;DR: In this paper , the authors evaluated the direct effects of ocean warming (OW) and ocean acidification (OA) together with nonconsumptive effects (NCEs) of the predatory crab Acanthocyclus hassleri on early ontogeny fitness-related traits.

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1 citations

Chemical defenses of Aplysia californica and sensory processing by predatory fishes

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Matthew Nusnbaum¹•Institutions (1)

Georgia State University¹

01 Jan 2011

TL;DR: This dissertation argues that the study of chemical defenses allows for more questions about detection of relevant deterrents and interactions between predators and prey at the individual and population levels, and lays the foundation for how a diet-derived photopigment is adapted by a species to protect itself from predators by stimulating their chemosensory systems.

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Abstract: In predator-prey interactions, prey species have complex defensive behaviors to protect themselves from predators. Chemical defenses are one tool that is employed to protect against predators, especially for slow-moving or otherwise susceptible prey. Many of these chemical defenses have been studied and the effective compounds identified, but few studies were performed on their mechanisms of detection. In my research, I used the sea hare, Aplysia californica, as chemically defended prey. This slow moving mollusk is soft-bodied with no external shell, but it has adapted a number of defenses including chemical defenses. Ink is a sticky mixture of the products of the ink gland and the opaline gland which are mixed in the mantle cavity and released toward an attacker. I show that this ink secretion protects the sea hare from predation by a fish predator. Because many deterrent compounds taste bitter, bitter taste receptors are thought to protect predators from ingesting harmful compounds in prey. Studies of deterrent taste detection have commonly utilized bitter compounds from human hedonics to study the responses in animals, such as fruit flies, fishes, rats, and monkeys. In my dissertation, I argue that the study of chemical defenses allows us to ask more questions about detection of relevant deterrents and interactions between predators and prey at the individual and population levels. My results show that diet-derived pigments in Aplysia ink, aplysioviolin and phycoerythrobilin, are strongly deterrent to fish predators. Electrophysiological analyses of the gustatory system show that these compounds are equipotent and cross-adapt each others‘ responses completely. Aplysioviolin and phycoerythrobilin produced incomplete reciprocal cross-adaptation with amino acids and adapted bile salt responses but were not significantly adapted by these latter stimuli. These results showed multiple pathways that are sensitive to aplysioviolin and phycoerythrobilin, which may have different effects on the physiology and behavior of the predatory fish. My findings demonstrate the value to the fields of chemical ecology and chemosensory biology of studying sensory processing of relevant deterrent compounds. This work lays the foundation for how a diet-derived photopigment is adapted by a species to protect itself from predators by stimulating their chemosensory systems. INDEX WORDS: Aplysia californica, Aplysioviolin, Ariopsis felis, Catfish, Chemoreception, Deterrence, Electrophysiology, Fish, Gustation, Ink, Phycoerythrobilin, Predator-Prey, Sea hare, Thalassoma bifasciatum, Wrasse CHEMICAL DEFENSES OF APLYSIA CALIFORNICA AND SENSORY PROCESSING BY PREDATORY FISHES

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1 citations

Cites background from "Marine chemical ecology: chemical s..."

...Predator-prey interactions can exert strong selection pressure that affects the evolution of anti-predation defenses (McClintock and Baker 2001; Paul et al. 2007; Zimmer and Ferrer 2007; Hay 2009)....
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...Animals have a diversity of defenses against predators (Endler 1986; McClintock and Baker 2001; Paul et al. 2007; Zimmer and Ferrer 2007; Hay 2009)....
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...Animals use a wide variety of defences against predators, including speed, stealth, crypsis, size, physical defenses, and chemicals (Pawlik 1993; McClintock & Baker 2001; Hay 2009)....
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TheNeuroecologyofDimethylSulfide:AGlobal-ClimateRegulator Turned Marine Infochemical

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Gabrielle A. Nevitt

01 Jan 2011

1 citations

Journal Article•DOI•

Anthropogenic noise may impair the mating behaviour of the Shore Crab Carcinus Maenas

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Kara Rising, Jörg D. Hardege, Tom Tregenza, Martin Stevens

27 Oct 2022-PLOS ONE

TL;DR: In this article , the responses of male green shore crabs (Carcinus maenas) from the southwest UK coast were tested by exposing them to ship noise recordings while simultaneously presenting them with a dummy-female soaked in the female-sex pheromone uridine diphosphate (UDP) in an experimental tank setup.

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Abstract: Anthropogenic noise is a recent addition to the list of human-made threats to the environment, with potential and established negative impacts on a wide range of animals. Despite their economic and ecological significance, few studies have considered the impact of anthropogenic noise on crustaceans, though past studies have shown that it can cause significant effects to crustacean physiology, anatomy, and behaviour. Mating behaviour in crustaceans could potentially be severely affected by anthropogenic noise, given that noise has been demonstrated to impact some crustacean’s ability to detect and respond to chemical, visual, and acoustic cues, all of which are vital in courtship rituals. To explore if noise has an impact on crustacean mating, we tested the responses of male green shore crabs (Carcinus maenas) from the southwest UK coast by exposing them to ship noise recordings while simultaneously presenting them with a dummy-female soaked in the female-sex pheromone uridine diphosphate (UDP) in an experimental tank setup (recording treatment: n = 15, control treatment: n = 15). We found a significant, negative effect of noise on the occurrence of mating behaviour compared to no noise conditions, though no significant effect of noise on the time it took for a crab to respond to the pheromone. Such effects suggest reproductive impairment due to anthropogenic noise, which could potentially contribute to decreased crustacean populations and subsequent ecological and economic repercussions. Given the findings of our preliminary study, more research should be undertaken that includes larger sample sizes, double blind setups, and controlled laboratory trials in order to more fully extrapolate the potential impact of noise on mating in the natural environment.

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1 citations

Journal Article•DOI•

Cross-sensory interference assessment after exposure to noise shows different effects in the blue crab olfactory and sound sensing capabilities.

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Marta Solé, Steffen De Vreese, Antonio M. Sanchez, José Manuel Fortuño, M. van der Schaar, Núria Sancho, Michel André - Show less +3 more

01 Feb 2023-Science of The Total Environment

TL;DR: In this article , the authors evaluated the possible interference of sound exposure with the crab ability to find food, by using an aquatic maze, and looked at the potential impairment of the righting reflex as well as at ultrastructural damages in statocysts.

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1 citations

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References

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Journal Article•

Chemical ecology of the settlement of benthic marine invertebrates

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Joseph R. Pawlik

01 Jan 1992-Oceanography and Marine Biology

839 citations

"Marine chemical ecology: chemical s..." refers background in this paper

...…to chemical cues from specific hosts, or corals that settle in response to chemical traits of specific crustose coralline algae, or of soft-substrate animals that recruit to or avoid sands treated with specific chemical cues or extracts (e.g., Pawlik 1992, Krug & Manzi 1999, Hadfield & Paul 2001)....
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...In aquatic systems, chemical cues determine feeding, habitat, and mating choices (e.g., Hay & Fenical 1988, 1996; Pawlik 1992; Breithaupt & Thiel 2008)....
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...…stimulating feeding once prey have been contacted; compounds responsible for attraction from a distance have rarely been investigated for adult specialist consumers [compounds that cue larval settlement have been investigated; see Pawlik (1992), Krug & Manzi (1999), and Hadfield & Paul (2001)]....
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Journal Article•DOI•

Centuries of Human-Driven Change in Salt Marsh Ecosystems

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K. Bromberg Gedan¹, Brian R. Silliman¹, Mark D. Bertness²•Institutions (2)

Brown University¹, University of Florida²

25 Mar 2009-Annual Review of Marine Science

TL;DR: It is concluded that the best way to protect salt marshes and the services they provide is through the integrated approach of ecosystem-based management.

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Abstract: Salt marshes are among the most abundant, fertile, and accessible coastal habitats on earth, and they provide more ecosystem services to coastal populations than any other environment. Since the Middle Ages, humans have manipulated salt marshes at a grand scale, altering species composition, distribution, and ecosystem function. Here, we review historic and contemporary human activities in marsh ecosystems—exploitation of plant products; conversion to farmland, salt works, and urban land; introduction of non-native species; alteration of coastal hydrology; and metal and nutrient pollution. Unexpectedly, diverse types of impacts can have a similar consequence, turning salt marsh food webs upside down, dramatically increasing top down control. Of the various impacts, invasive species, runaway consumer effects, and sea level rise represent the greatest threats to salt marsh ecosystems. We conclude that the best way to protect salt marshes and the services they provide is through the integrated approach of ecosystem-based management.

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770 citations

Journal Article•DOI•

Marine Plant-Herbivore Interactions: The Ecology of Chemical Defense

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Mark E. Hay, William Fenical

01 Jan 1988-Annual Review of Ecology, Evolution, and Systematics

TL;DR: Although numerous seaweed characteristics can deter some herbivores, the effects of morphology and chemistry have been studied most thoroughly and these types of seaweeds may be considered herbivore tolerant.

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Abstract: Herbivory has a profound effect on seaweeds in both temperate and tropical communities (11, 17, 21, 33, 43, 47, 80, 124). This is especially true on coral reefs where 60-97% (11, 42) of the total seaweed production may be removed by herbivores. To persist in marine communities, seaweeds must escape, deter, or tolerate herbivory. The ecological and evolutionary importance of spatial and temporal escapes has been extensively studied for seaweeds and adequately reviewed in the recent literature (33, 45, 47, 71, 80). The ability of seaweeds to tolerate herbivory has received limited attention. On coral reefs, rapidly growing filamentous algae are heavily grazed, but the algae quickly replace these losses and appear to be dependent upon herbivores to prevent their habitat from being overgrown by larger but less herbivoretolerant species (11, 71). Additionally, several seaweeds have spores or vegetative portions that can withstand gut passage; in some cases this significantly increases the growth rates of the newly settled spores (6, 122). These types of seaweeds may be considered herbivore tolerant. Although numerous seaweed characteristics can deter some herbivores, the effects of morphology and chemistry have been studied most thoroughly. The

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722 citations

"Marine chemical ecology: chemical s..." refers background in this paper

...In aquatic systems, chemical cues determine feeding, habitat, and mating choices (e.g., Hay & Fenical 1988, 1996; Pawlik 1992; Breithaupt & Thiel 2008)....
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...…on the plants they consume and that are especially susceptible to predation suggest that feeding preferences are commonly driven by the need to colonize hosts that provide escapes from consumers rather than by the direct food value of those hosts (see also Hay & Fenical 1988, 1996; Hay 1992, 1996)....
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...In the past 20 years, the review of selected aspects of marine chemical ecology has become a growth industry (e.g., Hay & Fenical 1988, 1996; Paul 1992; Hay 1996; McClintock & Baker 2001; Paul et al. 2007; Pohnert et al. 2007; Amsler 2008), with numerous reviews focusing on specific groups…...
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Journal Article•DOI•

Evidence that halogenated furanones from Delisea pulchra inhibit acylated homoserine lactone (AHL)-mediated gene expression by displacing the AHL signal from its receptor protein.

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Mike Manefield¹, Rocky de Nys¹, Kumar Naresh¹, Read Roger¹, Michael Givskov², Steinberg Peter¹, Staffan Kjelleberg¹ - Show less +3 more•Institutions (2)

University of New South Wales¹, Technical University of Denmark²

01 Feb 1999-Microbiology

TL;DR: The contention that furanones, at the concentrations produced by the alga, can control bacterial colonization of surfaces by specifically interfering with AHL-mediated gene expression at the level of the LuxR protein is supported.

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Abstract: Summary: Acylated homoserine lactone (AHL)-mediated gene expression controls phenotypes involved in colonization, often specifically of higher organisms, in both marine and terrestrial environments. The marine red alga Delisea pulchra produces halogenated furanones which resemble AHLs structurally and show inhibitory activity at ecologically realistic concentrations in AHL bioassays. Evidence is presented that halogenated furanones displace tritiated OHHL [N-3- (oxohexanoy1)-L-homoserine lactone] from Escherichia coli cells overproducing LuxR with potencies corresponding to their respective inhibitory activities in an AHL-regulated bioluminescence assay, indicating that this is the mechanism by which furanones inhibit AHL-dependent phenotypes. Alternative mechanisms for this phenomenon are also addressed. General metabolic disruption was assessed with two-dimensional PAGE, revealing limited non- AHL-related effects. A direct chemical interaction between the algal compounds and AHLs, as monitored by 1H NMR spectroscopy, was shown not to occur in vitro. These results support the contention that furanones, at the concentrations produced by the alga, can control bacterial colonization of surfaces by specifically interfering with AHL-mediated gene expression at the level of the LuxR protein.

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612 citations

"Marine chemical ecology: chemical s..." refers background in this paper

...This inhibition occurs because halogenated furanones interfere with the bacteria’s signal-based regulatory systems that control surface motility, exoenzyme production, and biofilm formation/stability (Manefield et al. 1999, 2002; Rasmussen et al. 2000; McDougald et al. 2001)....
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Journal Article•DOI•

Marine chemical ecology: what's known and what's next?

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Mark E. Hay¹•Institutions (1)

University of North Carolina at Chapel Hill¹

15 Nov 1996-Journal of Experimental Marine Biology and Ecology

TL;DR: This review concludes that relatively unstudied, ontogenetic shifts in concentrations and types of defenses occur in marine species, and patterns of larval chemical defenses appear to provide insights into the evolution of complex life cycles and of differing modes of development among marine invertebrates.

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607 citations

"Marine chemical ecology: chemical s..." refers background in this paper

...…on the plants they consume and that are especially susceptible to predation suggest that feeding preferences are commonly driven by the need to colonize hosts that provide escapes from consumers rather than by the direct food value of those hosts (see also Hay & Fenical 1988, 1996; Hay 1992, 1996)....
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...In other instances the larvae are chemically defended, but the adults are not and appear instead to rely more on physical/structural defenses (Lindquist & Hay 1996)....
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...…past 20 years, the review of selected aspects of marine chemical ecology has become a growth industry (e.g., Hay & Fenical 1988, 1996; Paul 1992; Hay 1996; McClintock & Baker 2001; Paul et al. 2007; Pohnert et al. 2007; Amsler 2008), with numerous reviews focusing on specific groups (seaweeds…...
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...Once larvae or embryos are released from brooding adults, they can be at considerable risk of predation in the plankton, but even more so as they recruit to the benthos where both fish and invertebrate predators are commonly concentrated (Lindquist & Hay 1996)....
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...…of resistance to host chemical defenses, selective consumption of those hosts, being cued to feed by the specific host chemicals that deter other consumers, and sequestration by the specialist of its host’s chemical defenses, thus becoming immune to many of its own enemies (Hay 1992, 1996)....
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