Sulfide tolerance: Physiological mechanisms and ecological implications

Vismann, Bent

doi:10.1080/00785326.1991.10429703

Cited by 169 publications

(102 citation statements)

References 131 publications

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“…Although in the field the bivalves were always found coated with a rust-coloured deposit, under experimental conditions M. ferruginosa blackens after exposure to sulfide, a situation similar to Halicryptus spinulosus (Oeschger & Vetter 1992). Actually, M. ferruginosa possesses the nearly complete peripheral system of sulflde defense mechanisms described by Vismann (1991): a shell, ferric iron deposits, ectosymbionts and water flow over its body (see below).…”

Section: Discussionmentioning

confidence: 99%

Morphology of a ferric iron-encrusted biofilm forming on the shell of a burrowing bivalve (Mollusca)

Gillan¹,

Ridder²

1997

Aquat. Microb. Ecol.

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The shell of the bivalve Montacuta ferruginosa is usually covered with a rust-coloured and ferric iron-encrusted biofilm. The latter is a structured microbial mat with 3 separate layers. The outer layer is essentially microbial (f~lamentous bacteria and protozoa). The intermediary layer is both microblal and mineral (heavily fernc iron-encrusted filamentous bacteria and protozoa) The inner layer is essentially mineral (ferric iron deposits) and generally devoid of living microorgan~sms. The most abundant microorganisms in the biofilm are filamentous bacteria related to Beggiatoaceae. The genesis of this mineral-microbial mat could be partly due to a sequence of processes: (1) ferric iron deposition within bacterial sheaths in the outer layer; (2) the release and accumulation of heavily ferric ironencrusted sheaths after lysis of the bacteria in the intermediary layer; (3) degradation of bacterial sheaths and accumulation of ferric iron minerals in the inner layer.

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Section: Discussionmentioning

confidence: 99%

Morphology of a ferric iron-encrusted biofilm forming on the shell of a burrowing bivalve (Mollusca)

Gillan¹,

Ridder²

1997

Aquat. Microb. Ecol.

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“…I to contaminants could be a more effective detoxification system, as has been shown for other marine invertebrates inhabiting sulfidic (see reviews Vismann 1991, Bagarinao 1992, Grieshaber & Volkel 1998 or contaminated habitats (e.g. Lee 1981).…”

Section: Metabolismmentioning

confidence: 99%

Effects of fluoranthene and ambient oxygen levels on survival and metabolism in three sibling species of Capitella (Polychaeta)

Linke-Gamenick

Vismann

Forbes

2000

Mar. Ecol. Prog. Ser.

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The successful persistence of Capjtella spp. in disturbed and/or oil-polluted habitats is widely known, but demographic adaptations might be only part of the explanation and little is known about differences among species. The present study investigates ecophysiological effects of the common PAH (polycyclic aromatic hydrocarbon) fluoranthene (FLU) on juvenile and adult survival, comparing 3 sibling species of CapiteUa (Polychaeta; Capitellidae). Subsequently, the influence of FLU on the aerobic and anaerobic metabolism in the most 'sensitive' species, CapiteUa sp. S, and most 'tolerant' species, Capitella sp. I, was assessed. Oxygen uptake and internal succinate concentrahon (an indicator of anaerobic metabolism) were measured after short-term (7 h) and long-term (2 wk) FLU pre-exposure (100 pg g-'). FLU exposure reduced mean survival times of juveniles (4 d old) of all sibling species, but tolerance varied among the 3 species of Capitella adults. Capitella sp. S, originally collected from 'clean' oxygen-nch North Sea intertidal sedments, was most sensit~ve and CaplteUa sp. M, and Capitella sp. I, which is the most opportunistic of the sibling species described to date, were most tolerant. In Cap~tella sp. S, O2 uptake decreased at lower ambient oxygen levels and increasing FLU concentrations increased oxygen consumption. Similarly, O2 uptake decreased at lower ambient oxygen levels in Capitella sp-I; however, FLU concentrations had no effect on oxygen uptake. For both species, anaerobic metabolism increased with declining ambient oxygen levels, and was influenced by FLU exposure in CapiteUa sp.S, but not m Capjtella sp. I. Part of the explanation for the success of Capitella sp. I in oil-polluted habitats may be that this species is able to channel energy into vital processes without a measurable increase in energy expenditure. We conclude that these 3 CapiteUa species are ecophysiologically diverse in their responses to toxicant exposure. Our results suggest that toxicant tolerance differences among sibhng species have a genetic basis and that increased aerobic and anaerobic metabolic rates in response to toxicant exposure can have negative survival consequences. This has to be considered when using these species as pollution indicators or to improve sediment quality.

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“…Somero et al 1989, Vetter et al 1991, Vismann 1991, Volkel & Grieshaber 1992, Grieshaber et al 1994. Powell (1989) postulated that for meiofauna, due to their small size, a sulphide detoxification system running at physiologjcally reasonable rates cannot maintain the internal sulphide concentrahon below the toxic level.…”

Section: Survival Under Anoxia and Sulphidementioning

confidence: 99%

Effects of anoxia and sulphide on populations of Cletocamptus confluens (Copepoda, Harpacticoida)

Vopel¹,

Dehmlow²,

Johansson³

et al. 1998

Mar. Ecol. Prog. Ser.

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ABSTRACT-The harpacticoid copepod Cletocamptus confluens (Schmeil 1894), which inhabits mud pools of sheltered shallow water bays, was studied to analyse its ability to survive in anoxia and sulphidic anoxia, its normoxic oxygen consumption, and its glycogen content. In addition, the impact of anoxia and sulphide on the viability of eggs and the time-scale of development of nauplii and copepodids was investigated. AI1 measurc'ments were carried out on laboratory-reared specimens. The mean survival rate of non-gravid females dld not drop below 9Gu,> after 96 h of exposure to both anoxia and sulphidic anoxia. Males and egg sac bearing females showed lower survival rates. The weight-specific glycogen content of non-gravid females (891 8 ? 51.0 pm01 glycosyl units g-' dw) was more than twice as high as that of males (404.3 i 31.4 pm01 glycosyl units g-' dw) and decreased to about 63% during 96 h exposure to anoxic and anoxic/sulphidic conditions. The weight-spccific oxygen consumption of males and non-gravid females amounted to 223.8 i 61.7 and 59.7 z 8.1 pm01 O2 g-' dw h-', respectively. The viability of eggs was not affected during 96 h of anoxia and sulphidic anoxia, and hatching of nauplii was delayed for the period of exposure. The developmental time of nauplii and copepodids from eggs incubated in anoxic or anoxic/sulphidic conditions did not dlffer from that of the normoxic controls. Sex-specific responses to anoxia and possible consequences for population dynamlcs of C. confluens are discussed.

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Sulfide tolerance: Physiological mechanisms and ecological implications

Cited by 169 publications

References 131 publications

Morphology of a ferric iron-encrusted biofilm forming on the shell of a burrowing bivalve (Mollusca)

Morphology of a ferric iron-encrusted biofilm forming on the shell of a burrowing bivalve (Mollusca)

Effects of fluoranthene and ambient oxygen levels on survival and metabolism in three sibling species of Capitella (Polychaeta)

Effects of anoxia and sulphide on populations of Cletocamptus confluens (Copepoda, Harpacticoida)

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