Volvulina compacta (Volvocaceae, Chlorophyceae), new to Japan, and its phylogenetic position
Volvulina compacta (Volvocaceae, Chlorophyceae), new to Japan, and its phylogenetic position
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发表时间：
2010-12
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通讯作者：
T. Nakada;M. Tomita;H. Nozaki
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作者：
T. Nakada;M. Tomita;H. Nozaki
盘菌属（英语：Volvulina Playfair）是一个群栖盘菌属，通常有8或16个细胞形成中空的椭圆形菌落（Playfair 1915，Ettl 1983）。在该属中已经确认了三个种（V. steinii Playfair [= V. playfairiana Skvortzov]、V. pringsheimii Starr和V. pastata Nozaki），并且都已经基于培养菌株进行了研究。“V. boldii”nom. nud.也是已知的（UTEX的在线目录：http：//web. biosci.utexas.edu/utex/).只有一个物种来自日本，即V. steinii（Nozaki 1982，Tsukii 2010），其余两个物种仅来自两个国家（来自美国的V. pringsheimii和来自尼泊尔的V. pastata; Starr 1962，Nozaki和Kuroiwa 1990）。2002年，从日本神奈川县的Tsukui湖分离出一株螺旋藻。该菌株经形态学鉴定为V. lutta，并基于5个叶绿体基因对其分子遗传学进行了研究。
Volvulina Playfair is a colonial volvocalean genus with usually 8 or 16 cells forming hollow ellipsoidal colonies (Playfair 1915, Ettl 1983). Three species have been recognized in this genus (V. steinii Playfair [=V. playfairiana Skvortzov], V. pringsheimii Starr and V. compacta Nozaki), and all have been studied based on culture strains. Strains of “V. boldii” nom. nud. are also known (online catalogue of UTEX: http://web. biosci.utexas.edu/utex/). Only one species has been reported from Japan, namely, V. steinii (Nozaki 1982, Tsukii 2010), with the remaining two known only from two single countries (V. pringsheimii from the USA and V. compacta from Nepal; Starr 1962, Nozaki and Kuroiwa 1990). In 2002, a single strain of Volvulina was isolated from Lake Tsukui in Kanagawa Prefecture, Japan. This strain was morphologically identified as V. compacta and its molecular phylogeny was examined based on five chloroplast genes.