Were huge ancient lakes refugia for fishes distributed in Mogami River System ?

最上川水系中是否分布着巨大的古代鱼类栖息地？

• 批准号: 23570105
• 负责人: HANZAWA Naoto
• 金额: $ 3.41万
• 依托单位: Yamagata University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2013
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23570105/
• 关键词: 遺伝的集団構造; 最上川水系; 淡水魚類; 古代湖; 氷河期; レフュージア; 人為的撹乱; 種多様性; 形態的分化; 遺伝的分化; 絶滅危惧種; 遺伝的多様性; 分子系統; 集団構造

The recent geological data suggests that two huge lakes had developed around the upper and lower reaches of recent Mogami River System during 4 - 6 million years ago. We conducted population genetic analyses of seven fishes that might be evolved around the ancient lakes, and discussed the influence of ancient lakes for their evolution. Two of the seven species had been probably speciated around the ancient lakes. In other three species, genetic structures were different between Mogami and adjacent river populations or between the upper and lower reach populations in Mogami River System, suggesting that geographical isolation by the ancient lakes had affected to their genetic differentiation. In other two species, distinctive genetic structures did not recognize between populations. In Sagami River populations to compare with Mogami River populations, clear genetic analyses could not do by remarkable introduction of individuals derived from different river systems.

最近的地质资料表明，在400 - 600万年前，在现代最上河系统的上游和下游周围形成了两个巨大的湖泊。对可能在古湖泊周围进化的7种鱼类进行了群体遗传学分析，探讨了古湖泊对鱼类进化的影响。七个物种中有两个可能是在古代湖泊周围形成的。另外3个种的遗传结构在最上河与邻近河流种群之间或在最上河系上下游种群之间存在差异，表明古湖泊的地理隔离影响了它们的遗传分化。在其他两个物种，独特的遗传结构没有识别种群之间。相模川群体与最模川群体相比，通过显著引入来自不同水系的个体无法进行明确的遗传分析。

项目成果

Phylogeny and biogeography of highly diverged freshwater fish species (Leuciscinae, Cyprinidae, Teleostei) inferred from mitochondrial genome analysis

• DOI: 10.1016/j.gene.2012.10.019
• 发表时间: 2013-02-10
• 期刊: GENE
• 影响因子: 3.5
• 作者: Imoto, Junichi M.;Saitoh, Kenji;Hanzawa, Naoto
• 通讯作者: Hanzawa, Naoto

ゲノム情報を用いた汎用的マイクロサテライトマーカーの開発とその利用

利用基因组信息开发和利用通用微卫星标记

• 发表时间: 2011
• 作者: Tanaka;N.;Uehara;K.;Murata;J.;内田圭・藤本泰樹・丑丸敦史;昆 健志;鈴木仁;後藤亮・半澤直人.
• 通讯作者: 後藤亮・半澤直人.

ジュズカケハゼ種群の分布と遺伝的多様性

Juzukakegoby物种群的分布和遗传多样性

• 发表时间: 2011
• 作者: Aplin;K.P.;Suzuki;H.;Chinen;A.A.;Chesser;R.T.;ten Have;J.;Donnellan;S.C.;et al.,;昆 健志;千葉悟・渋川浩一・向井貴彦・半澤直人.
• 通讯作者: 千葉悟・渋川浩一・向井貴彦・半澤直人.

ジュズカケハゼ種群の分布

Juzukakegoby物种群的分布

• 发表时间: 2012
• 作者: Kambe,Y;Nakata;K.;Yasuda;S.P. and Suzuki H.;齊藤康典;千葉悟・渋川浩一・向井貴彦・半澤直人.
• 通讯作者: 千葉悟・渋川浩一・向井貴彦・半澤直人.

ミトコンドリア遺伝子に基づく山形県産イワナSalvelinus leucomaenis の遺伝的集団構造

基于线粒体基因的山形县红点鲑遗传种群结构

• 发表时间: 2012
• 作者: 後藤亮太・河内正行・荒木康男・後藤亮・白熊拓也・上遠野拓也・桂和彦・半澤直人.