Genetic characterization of the scyphozoan jellyfish Aurelia spp. in Chinese coastal waters using mitochondrial markers
Genetic characterization of the scyphozoan jellyfish Aurelia spp. in Chinese coastal waters using mitochondrial markers
复制标题
舟水母 Aurelia spp 的遗传特征。
DOI：
10.1016/j.bse.2015.02.018
复制
发表时间：
2015-06-01
影响因子：
1.6
通讯作者：
Liu, Dongyan
中科院分区：
文献类型：
--
作者：
Dong, Zhijun;Liu, Zhongyuan;Liu, Dongyan
月亮水母奥雷利亚属。发生在世界各地的港口和沿海沃茨。奥雷利亚属植物的系统发育关系及遗传特征。根据线粒体细胞色素c氧化酶亚基I（COI）基因序列，确定了沿着中国沿海沃茨的COI基因。分子生物学鉴定结果表明，在中国近海沃茨采集的所有样品均为Aureliasp. 1。我们还分析了系统发育和种群遗传结构的奥雷利亚sp.1使用新生成的序列补充现有的数据从以前的研究。COI区域的系统发育分析不支持奥雷利亚sp.1的全球样本之间的地理限制组。分子方差分析（AMOVA）表明，一个复杂的遗传群体结构和模式的连接。在某些情况下，奥雷利亚sp.1的种群高度结构化的大多数采样点之间的距离小到100公里（日照和青岛）。然而，非显着的成对F-ST值之间也观察到较短的地理距离（烟台，荣成和青岛）和相对较远的采样点（曹妃甸，日照和日本）。生活史特征，以及该地区盛行的洋流和可能的人为引入，被认为是决定奥雷利亚sp.1遗传格局的主要因素。(C)2015爱思唯尔有限公司版权所有。
Blooms of the moon jellyfish Aurelia spp. have occurred in the harbors and coastal waters around the world. The phylogenetic relationship and genetic characterization of Aurelia spp. was determined along the Chinese coastal waters based on sequences of the mitochondrial cytochrome c oxidase subunit I (COI) gene. The molecular analysis confirmed that all samples collected in Chinese coastal waters were Aurelio sp.1. We also analyzed the phylogenetic and population genetic structure of Aurelia sp.1 using the newly generated sequences supplemented with existing data from previous studies. The phylogenetic analyses of the COI regions did not support geographically restricted groups among the global samples of Aurelia sp.1. Analysis of molecular variance (AMOVA) indicated a complex genetic population structure and pattern of connectivity. Populations of Aurelia sp.1 were highly structured between most sampling sites over distances as small as 100 km (Rizhao and Qingdao) in certain cases. However, non-significant pairwise F-ST values were also observed between short geographic distances (Yantai, Rongcheng and Qingdao) and relatively distant sampling sites (Caofeidian, Rizhao and Japan). The life-cycle characteristics, together with the prevailing ocean currents in this region and possible anthropogenic introduction, were proposed and discussed as the main factors that determined the genetic patterns of Aurelia sp.1. (C) 2015 Elsevier Ltd. All rights reserved.