Asterocladon ednae sp. nov. (Asterocladales, Phaeophyceae) from the Philippines

Asterocladon ednae sp. nov. (Asterocladales, Phaeophyceae) from the Philippines
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星石甲属 ednae sp.

DOI:
10.1111/pre.12490
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发表时间:
2022
影响因子:
1.5
通讯作者:
Kazuhiro Kogame
Kazuhiro Kogame
中科院分区:
生物学4区
文献类型:
--
作者:
Eriko Sasagawa;Wilfred John E. Santianez;Kazuhiro Kogame

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星枝藻目褐藻的叶绿体呈星状排列,其中星状结构具有突出的中心蛋白核复合体。该目以Asterocladon属为代表,迄今为止只有三个物种。与其他小型丝状海藻相似,对星枝藻的研究仍然很少,对其多样性的了解也很少。为了填补这一空白,我们进行了分子辅助分类研究的基础上,从冲绳县,日本和菲律宾宿务,七个培养分离物。根据rbcL和psaA基因的形态解剖学和分子分析,从菲律宾分离的一个培养物被发现是一个新的物种,这里被描述为Asterocladon edanum。其余菌株均为A. Rhodochortonoides A. ednae与A. rhodochortonoidesin形态学和分子遗传学,但与后者的区别在于其细长椭圆形多室孢子囊。这是该属和种的首次报道。ednain菲律宾,进一步增加了该国海藻的多样性。
Members of the brown algal order Asterocladales are characterized by stellate arrangement of its chloroplasts, in which a stellate configuration has a protruding central pyrenoid complex. The order is represented by the genusAsterocladon, which consists of only three species so far. Similar to other small and filamentous seaweeds, studies onAsterocladonremain scant and their diversity poorly understood. To fill this gap, we conducted molecular‐assisted taxonomic studies onAsterocladonbased on seven culture isolates collected from Okinawa Prefecture, Japan and Cebu, the Philippines. One culture isolate from the Philippines was revealed to be a new species ofAsterocladonbased on morpho‐anatomical and molecular analyses usingrbcL andpsaA genes and is described here asAsterocladon ednae. The other isolates were attributed toA. rhodochortonoides.A. ednaewas most closely related toA. rhodochortonoidesin morphology and molecular phylogeny but was distinguished from the latter by its elongately ellipsoid plurilocular sporangia. This is the first report of the genus and speciesA. ednaein the Philippines, further increasing the diversity of seaweeds in the country.
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影响因子: 2.4
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