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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1111/j.1529-8817.2011.01076.x
|2 doi
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|a eng
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|a Nagai, Satoshi
|e verfasserin
|4 aut
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|a DIFFERENCES IN THE PRODUCTION AND EXCRETION KINETICS OF OKADAIC ACID, DINOPHYSISTOXIN-1, AND PECTENOTOXIN-2 BETWEEN CULTURES OF DINOPHYSIS ACUMINATA AND DINOPHYSIS FORTII ISOLATED FROM WESTERN JAPAN(1)
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 30.03.2016
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|a Date Revised 29.03.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2011 Phycological Society of America.
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|a We established clonal cultures of Dinophysis acuminata Clap. et Lachm. and D. fortii Pavill. isolated from western Japan and examined toxin production in them, focusing on intracellular production and extracellular excretion. At the end of incubations, the total amounts of pectenotoxin-2 (PTX-2), dinophysistoxin-1 (DTX-1), and okadaic acid (OA) in the D. acuminata cultures reached up to 672.7 ± 14.7 (mean ± SD), 88.1 ± 2.8, and 539.3 ± 39.7 ng · mL(-1) , respectively, and the excreted extracellular amounts were equivalent to 5.1, 79.5, and 79.5% of the total amounts, respectively. Similarly, at the end of incubations, the total amounts of PTX-2, DTX-1, and OA in the D. fortii cultures reached up to 526.6 ± 52.6 (mean ±SD), 4.4 ± 0.4, and 135.9 ± 3.9 ng · mL(-1) , respectively, and the excreted extracellular amounts were equivalent to 1.8, 80.1, and 86.6% of the total amounts, respectively. Further, we tested the availability of cell debris and dissolved organic substances that originated from the ciliate prey Myrionecta rubra for growth and toxin production in D. acuminata. Although no significant growth was observed in D. acuminata in the medium containing the cell debris and organic substances originated from M. rubra, the toxicity was significantly greater than that in the control (P < 0.05-0.001); this finding suggested the availability of organic substances for toxin production. However, toxin productivity was remarkably lower than that of Dinophysis species feeding on living M. rubra
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|a Journal Article
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|a Dinophysis acuminata
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|a Dinophysis fortii
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|a Myrionecta rubra
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|a diarrhetic shellfish poisoning
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| 650 |
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|a dinophysistoxin-1
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| 650 |
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|a growth rate
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|a okadaic acid
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|a pectenotoxin-2
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| 650 |
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|a toxin production
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| 700 |
1 |
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|a Suzuki, Toshiyuki
|e verfasserin
|4 aut
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1 |
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|a Nishikawa, Tetsuya
|e verfasserin
|4 aut
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| 700 |
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|a Kamiyama, Takashi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 47(2011), 6 vom: 29. Dez., Seite 1326-37
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnns
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| 773 |
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|g volume:47
|g year:2011
|g number:6
|g day:29
|g month:12
|g pages:1326-37
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|u http://dx.doi.org/10.1111/j.1529-8817.2011.01076.x
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