2009 Fiscal Year Final Research Report
Ribotype identification and distribution of a harmful dinoflagellate Cochlodinium polykrikoides.
| Project/Area Number |
19780150
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
General fisheries
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| Research Institution | Nagasaki University |
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Principal Investigator |
IWATAKI Mitsunori Nagasaki University, 理学部, 准教授 (50423645)
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| Project Period (FY) |
2007 – 2009
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| Keywords | 海洋生物 / 系統進化 / 遺伝子 / 赤潮 / ライボタイプ |
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| Research Abstract |
Morphology and ribotype (genotype based on rDNA) of a harmful redtide forming dinoflagellate Cochlodinium polykrikoides was examined to reveal distribution of each ribotype. A new species C. fulvescens was described based on morphological comparison. A harmful species C. polykrikoides was divided into three ribotypes, East Asian, Philippines and American types in the phylogenetic tree. This indicates the redtides occurred in western Japanese coasts were formed by cells overwintering around the East China Sea.
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