Imposex incidence in Stramonita haemastoma (Gastropoda: Muricidae) from the Mediterranean and Atlantic coast after Tributyltin global ban

Ayari, Tahani El; Bierne, Nicolas; Menif, Najoua Trigui El

doi:10.1016/j.seares.2017.12.004

Cited by 9 publications

(2 citation statements)

References 45 publications

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“…The same occurs in other areas were organotins uses were banned, such as Korea, for instance (55, 56). In the other hand, unregulated use of these compounds have been already demonstrated in some areas, for instance, Latin America (57–59) or North Africa (60–62).…”

Section: Endocrine Disruption: Detection and Evaluation Of Effects Inmentioning

confidence: 99%

Populations Collapses in Marine Invertebrates Due to Endocrine Disruption: A Cause for Concern?

Fernandez

2019

Front. Endocrinol.

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In the beginning of the twenty first century, the International Program on Chemical Safety published a document entitled Global Assessment of the State-Of-The-Science of Endocrine Disruptors. The work indicated only weak evidence of endocrine-related effects in human populations, and in wild animal populations. This document was revised in 2012 (State of the Science of Endocrine Disrupting Chemicals−2012) (1). The new document and the extensive scientific evidence it provided showed clearly that ED effects could be a risk to human and wildlife health. These works, however, were focused in human health and related animal models, mainly vertebrates and particularly mammals. It can be argued that invertebrates and many other taxa are important parts of all ecosystems, and, in many instances, have been shown to be also vulnerable to endocrine disruption. Thus, this work is aimed to show some observations on important marine invertebrate taxa, from an ecological point of view. The most important example of endocrine disruption in marine wild populations is the imposex response of marine gastropods, known for more than 40 years, and worldwide used to evaluate marine antifouling pollution. Among the mollusks, other important natural resources are bivalve species, used as human food sources and cephalopods, free-living, highly specialized mollusks, and also human food sources. Effects derived from endocrine disruptors in these species indicate that consumption could bring these compounds to human populations in an almost direct way, sometimes without any form of cooking or preparation. While discussing these questions, this work is also aimed to stimulate research on endocrine disruption among the invertebrate taxa that inhabited our oceans, and on which these effects are poorly known today.

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Section: Endocrine Disruption: Detection and Evaluation Of Effects Inmentioning

confidence: 99%

Populations Collapses in Marine Invertebrates Due to Endocrine Disruption: A Cause for Concern?

Fernandez

2019

Front. Endocrinol.

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“…Around 1970 it was already shown that TBT caused shell deformations and reproductive problems in the Pacific oyster Crassostrea gigas in France (Alzieu et al, 1986). Furthermore, imposex (male characteristics developing in females) in gastropods occurred at locations of high shipping activities, affecting more than 260 gastropod species (El Ayari et al, 2018).…”

Section: Fouling Prevention With Biocidesmentioning

confidence: 99%

Inventory of potential new anti-fouling strategies inspired by nature

Foekema¹,

Asjes²,

Boomgaard³

2019

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As part of the Dutch Top consortia for Knowledge and Innovation (TKI) project 'Re-Drag with Nature' an inventory was made of the strategies that sea weeds apply to reduce the settlement and development of fouling organisms on their surface. This inventory was made based upon available literature and the results were assessed for their potency to protect man-made structures against biofouling. The reason for the focus on seaweeds was initiated by the observations that fouling pressure on seaweeds is in general low, and further supported by the knowledge that a lot of effort is currently being made to cultivate seaweeds and to utilise the compounds that can be extracted from it. However, the inventory was not fully limited to seaweeds. Where it inspired the thinking of new alternatives these were also briefly assessed. Seaweeds make use of physical and chemical strategies to keep their surface free of biofouling organisms. The physical strategies are based on the continuous renewal of surface material and are, therefore, not considered applicable to protect man-made structures without continuous maintenance. Self-polishing coatings are available for ship hulls, but these are only effective in combination with biocides. An alternative physical process that is not applied by seaweeds, but that may have the potency to reduce fouling is a combination of flow velocity and surface structure that could prevent early stages of fouling organisms from attaching to a surface. As this requires a controlled environment, it is not applicable to ship hulls or maritime infrastructure. It could work in industrial cooling water systems, but as the current methods that are applied there seem to fulfil the needs of the industry, this option was not further investigated. The chemical anti-fouling strategies of seaweeds are based on the production of a broad range of metabolites with the potential to reduce settlement and/or development of fouling organisms. Although the effectiveness of several of these metabolites has been shown on experimental scale, commercial application of bio-based compounds for anti-fouling purposes does not seem attractive, due to the high costs that are related with legislation/registration procedures for new chemicals. Apart from producing anti-fouling metabolites themselves, seaweeds can also support specific microbes that have little or no negative impact on their condition, but that prevent the settlement of more harmful species. A similar strategy, where a fouling species with low negative impact is favoured and supported, can have potential to manage fouling in an environmental friendly way on man-made surfaces where some drag is acceptable. As far as we are aware this is a completely new approach to deal with biofouling. When writing this report a proposal for a joint industry project (JIP) is being prepared that aims to investigate the potency of this approach to manage bio-fouling on offshore infrastructure.

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First Record of Imposex in Euthria cornea (Neogastropoda: Buccinidae) Collected from the Complex Lagoon-Channel of Bizerta

Ayari

Menif

2018

Thalassas

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Imposex incidence in Stramonita haemastoma (Gastropoda: Muricidae) from the Mediterranean and Atlantic coast after Tributyltin global ban

Cited by 9 publications

References 45 publications

Populations Collapses in Marine Invertebrates Due to Endocrine Disruption: A Cause for Concern?

Populations Collapses in Marine Invertebrates Due to Endocrine Disruption: A Cause for Concern?

Inventory of potential new anti-fouling strategies inspired by nature

First Record of Imposex in Euthria cornea (Neogastropoda: Buccinidae) Collected from the Complex Lagoon-Channel of Bizerta

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