Effect of temperature, salinity and light intensity on the growth and seasonality of toxic dinoflagellates associated with ciguatera

Morton, Steve L.; Norris, Dean R.; Bomber, Jeffrey W.

doi:10.1016/0022-0981(92)90076-m

Cited by 137 publications

(125 citation statements)

References 11 publications

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“…(D4, D7 and D10) showed the growth rate ranges from 0.19 to 0.29 divisions day -1 . This complies with the observations of Morton et al (1992) who reported maximum growth rate of app. 0.2 to 0.6 divisions day -1 of Coolia monotis at 29°C, 33 psu in K medium (Keller and Guillard, 1985).…”

Section: Discussionsupporting

confidence: 93%

“…The maximum growth rate of P. rhathymum (D2) (0.204 divisions day -1 in IMK medium) was lower than the growth rate (app. 0.3 to <0.6 divisions day -1 ) of closely related species, P. mexicanum collected from Knight key, Florida, USA and cultured in K medium (Keller and Guillard, 1985) under small scale stock cultures by Morton et al (1992). Symbiodinium sp.…”

Section: Discussionmentioning

confidence: 99%

“…The effectiveness of the quantity of extracted bioactive components depends on the culturing systems and productivity of dinoflagellate strains. For the optimization of growth conditions and toxin production of benthic dinoflagellate, various kinds of research have been conducted in different parts of the world (Dixon and Syrett, 1988;Kitaya et al, 2008;Morton et al, 1992;Nascimento et al, 2012;Pistocchi et al, 2011;Rhodes and Thomas, 1997;Tanimoto et al, 2013;Tosteson et al, 1989;Vidyarathna and Granéli, 2012;Yamaguchi et al, 2012;Zimmermann, 2006). However, most studies were only done for small-scale cultures.…”

Section: Introductionmentioning

confidence: 99%

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Potentiality of benthic dinoflagellate cultures and screening of their bioactivities in Jeju Island, Korea

Shah¹,

Kalpa²,

Ju-Young³

et al. 2014

Afr. J. Biotechnol.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Potentiality of benthic dinoflagellate cultures and screening of their bioactivities in Jeju Island, Korea

Shah¹,

Kalpa²,

Ju-Young³

et al. 2014

Afr. J. Biotechnol.

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“…Multiple studies have shown that Gambierdiscus growth rates are highest at warm temperatures, with the maximum around 30 C, above which growth rates drop off dramatically. 7,[17][18][19] A threshold was also suggested by Llewellyn 6 based on data in the South Pacific. However, the threshold suggested in the past is approximately 30 C, which St. Thomas does not typically exceed; the average Table 4 Demographics of US Virgin Islands, 1980 and 2000 16,20 Our findings support the idea that other factors, including demographic and behavioral, are associated with changes in ciguatera incidence over time, with lower socioeconomic status (particularly education), fish consumption three times a week or more, being born in the Caribbean (outside the US Virgin Islands), and previous ciguatera episodes associated with illness.…”

Section: Discussionmentioning

confidence: 96%

Ciguatera Incidence in the US Virgin Islands Has Not Increased over a 30-Year Time Period Despite Rising Seawater Temperatures

Radke¹,

Grattan²,

Cook³

et al. 2013

The American Society of Tropical Medicine and Hygiene

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Abstract. Ciguatera fish poisoning is the most common marine food poisoning worldwide. It has been hypothesized that increasing seawater temperature will result in increasing ciguatera incidence. In St. Thomas, US Virgin Islands, we performed an island-wide telephone survey (N = 807) and a medical record review of diagnosed ciguatera cases at the emergency department of the sole hospital and compared these data with comparable data sources collected in 1980. Annual incidence from both recent data sources remained high (12 per 1,000 among adults in the telephone survey). However, the combined data sources suggest that incidence has declined by 20% or more or remained stable over 30 years, whereas seawater temperatures were increasing. Illness was associated with lower education levels, higher levels of fish consumption, and having previous episodes of ciguatera; population shifts from 1980 to 2010 in these factors could explain an incidence decline of approximately 3 per 1,000, obscuring effects from rising seawater temperature.

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“…This drop in temperature may have maintained the conditions for maximal growth. While P. lima has been shown to survive at temperatures as low as 0°C and as high as 33°C (Morton & Norris 1990, McLachlan et al 1994), optimal growth rates for sub-tropical clones are sustained from 26 to 28°C (Morton et al 1992), and strains from Nova Scotia grow more rapidly above 18°C (A. Cembella & Y. Pan unpubl. data).…”

Section: Discussionmentioning

confidence: 99%

Colonization and growth of the toxic dinoflagellate Prorocentrum lima and associated fouling macroalgae on mussels in suspended culture

Lawrence

Grant²,

Ma³

et al. 2000

Mar. Ecol. Prog. Ser.

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We examined the role of substrate interactions and the biological activity of cultured shellfish on the settlement and growth of fouling macroalgae and the toxic epiphyte Prorocentrum lima. Six miniature live-mussel (Mytilus edulis) socks (30 cm long) and 6 dummy socks (created with empty mussel valves) were hung along a horizontal long-line at a sheltered coastal site in Nova Scotia, Canada. After 4 and 9 wk, 3 socks of each treatment were harvested and the biomass of fouling macroalgae and concentration of P. lima cells were determined. Macroalgal fouling, which was almost entirely Pilayella littoralis, was greater on the live-mussel socks than on the dummy socks (ANOVA, p < 0.01) after 9 wk. Densities of P. lima cells g -1 dry wt of fouling biomass were higher on the dummy socks than the live-mussel socks (ANOVA, p < 0.01) during the entire experiment. Liquid chromatography-mass spectrometry (LC-MS) analysis showed the epiphytic material to contain the diarrhetic shellfish toxins dinophysistoxin-1 (DTX1) and okadaic acid (OA), which had been previously identified in culture mussels from this site. The data suggest that mussel culture provides a microenvironment that favours the colonization and growth of macroalgae, but the growth and colonization densities of the epiphytic dinoflagellate are not directly dependent on that fouling biomass. KEY WORDS: Biofouling community · Prorocentrum lima · Epiphytes · Mussel culture · Toxic microalgaeResale or republication not permitted without written consent of the publisher

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Effect of temperature, salinity and light intensity on the growth and seasonality of toxic dinoflagellates associated with ciguatera

Cited by 137 publications

References 11 publications

Potentiality of benthic dinoflagellate cultures and screening of their bioactivities in Jeju Island, Korea

Potentiality of benthic dinoflagellate cultures and screening of their bioactivities in Jeju Island, Korea

Ciguatera Incidence in the US Virgin Islands Has Not Increased over a 30-Year Time Period Despite Rising Seawater Temperatures

Colonization and growth of the toxic dinoflagellate Prorocentrum lima and associated fouling macroalgae on mussels in suspended culture

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