Bacterial and eukaryotic biodiversity patterns in terrestrial and aquatic habitats in the Sor Rondane Mountains, Dronning Maud Land, East Antarctica

Obbels Dagmar; Verleyen Elie; Mano Marie-Jose; Namsaraev Zorigto; Sweetlove Maxime; Tytgat Bjorn; Fernandez-Carazo Rafael; De Wever Aaike; Dhondt Sofie; Ertz Damien; Elster Josef; Sabbe Koen; Willems Anne; Wilmotte Annick; Vyverman Wim

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Bacterial and eukaryotic biodiversity patterns in terrestrial and aquatic habitats in the Sor Rondane Mountains, Dronning Maud Land, East Antarctica

机译：陆地和水生栖息地的细菌和真核生物多样性模式在Sor Rondane山区，Dronning Maud Land，East Antarctica

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The bacterial and microeukaryotic biodiversity were studied using pyrosequencing analysis on a 454 GS FLX+ platform of partial SSU rRNA genes in terrestrial and aquatic habitats of the Sor Rondane Mountains, including soils, on mosses, endolithic communities, cryoconite holes and supraglacial and subglacial meltwater lenses. This inventory was complemented with Denaturing Gradient Gel Electrophoresis targeting Chlorophyta and Cyanobacteria. OTUs belonging to the Rotifera, Chlorophyta, Tardigrada, Ciliophora, Cercozoa, Fungi, Bryophyta, Bacillariophyta, Collembola and Nematoda were present with a relative abundance of at least 0.1% in the eukaryotic communities. Cyanobacteria, Proteobacteria, Bacteroidetes, Acidobacteria, FBP and Actinobacteria were the most abundant bacterial phyla. Multivariate analyses of the pyrosequencing data revealed a general lack of differentiation of both eukaryotes and prokaryotes according to habitat type. However, the bacterial community structure in the aquatic habitats was dominated by the filamentous cyanobacteria Leptolyngbya and appeared to be significantly different compared with those in dry soils, on mosses, and in endolithic habitats. A striking feature in all datasets was the detection of a relatively large amount of sequences new to science, which underscores the need for additional biodiversity assessments in Antarctic inland locations.

机译：研究了细菌和微核核酸生物多样性使用焦肌序列分析，对SOR Rondane山的陆地和水生栖息地的部分SSU rRNA基因的平台，包括土壤，苔藓，岩石，岩石群，低温龙孔和超透明和沉淀熔融镜片。该库存与变性梯度凝胶电泳辅以靶向叶绿素和蓝藻。属于Rotifera，Chlorophyta，Tardigra，Ciliophora，Cercophora，真菌，Bryophyta，Bacillariophyta，Collembola和Nematoda的Otus出现了真核性社区中的相对丰度。蓝细菌，植物菌，菌斑，抗酸杆菌，FBP和抗菌菌是最丰富的细菌植物。焦点测序数据的多变量分析显示，根据栖息地类型，普遍缺乏真核生物和原核生物的分化。然而，水生栖息地的细菌群落结构由丝状蓝杆菌百分声植物中的含量主导，与苔藓的干燥土壤和岩石栖息地的干燥土壤相比显着不同。所有数据集中的一个醒目特征是检测到科学新的序列相对大量的序列，强调了在南极内陆地区的额外生物多样性评估的需要。

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来源
《FEMS Microbiology Ecology》 |2016年第6期|共13页
作者
Obbels Dagmar; Verleyen Elie; Mano Marie-Jose; Namsaraev Zorigto; Sweetlove Maxime; Tytgat Bjorn; Fernandez-Carazo Rafael; De Wever Aaike; Dhondt Sofie; Ertz Damien; Elster Josef; Sabbe Koen; Willems Anne; Wilmotte Annick; Vyverman Wim;
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作者单位

Univ Ghent Dept Biol Lab Protistol &

Aquat Ecol Krijgslaan 281 S8 B-9000 Ghent Belgium;

Univ Ghent Dept Biol Lab Protistol &

Aquat Ecol Krijgslaan 281 S8 B-9000 Ghent Belgium;

Univ Liege Inst Chem Ctr Prot Engn Sart TilmanB6 B-4000 Liege Belgium;

Univ Liege Inst Chem Ctr Prot Engn Sart TilmanB6 B-4000 Liege Belgium;

Univ Ghent Dept Biol Lab Protistol &

Aquat Ecol Krijgslaan 281 S8 B-9000 Ghent Belgium;

Univ Ghent Dept Biochem &

Microbiol Microbiol Lab KL Ledeganckstr 35 B-9000 Ghent Belgium;

Univ Liege Inst Chem Ctr Prot Engn Sart TilmanB6 B-4000 Liege Belgium;

Univ Ghent Dept Biol Lab Protistol &

Aquat Ecol Krijgslaan 281 S8 B-9000 Ghent Belgium;

Univ Ghent Dept Biol Lab Protistol &

Aquat Ecol Krijgslaan 281 S8 B-9000 Ghent Belgium;

Bot Garden Meise Dept Bryophytes Thallophytes Nieuwelaan 38 B-1860 Meise Belgium;

Univ South Bohemia Acad Sci Czech Republ Inst Bot Ctr Polar Ecol Fac Sci Dukelska 135 Trebon 37982 Czech Republic;

Univ Ghent Dept Biol Lab Protistol &

Aquat Ecol Krijgslaan 281 S8 B-9000 Ghent Belgium;

Univ Ghent Dept Biochem &

Microbiol Microbiol Lab KL Ledeganckstr 35 B-9000 Ghent Belgium;

Univ Liege Inst Chem Ctr Prot Engn Sart TilmanB6 B-4000 Liege Belgium;

Univ Ghent Dept Biol Lab Protistol &

Aquat Ecol Krijgslaan 281 S8 B-9000 Ghent Belgium;

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正文语种 eng
中图分类微生物学;
关键词
Antarctica; terrestrial biodiversity; eukaryotes; bacteria; green algae; cyanobacteria;

机译：南极洲;陆地生物多样性;真核生物;细菌;绿藻;蓝藻;

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2. Atmospheric River Signatures in Radiosonde Profiles and Reanalyses at the Dronning Maud Land Coast, East Antarctica [J] . Irina V.GORODETSKAYA, Tiago SILVA, Holger SCHMITH(U)SEN, 大气科学进展（英文版） . 2020,第005期
3. Petrogenesis of massif-type anorthosite complex,Gruber, Central Dronning Maud Land, East Antarctica: Implications for magma source and evolution [J] . Anju Pandey, Amit Dharwadkar, Rasik Ravindra, 中国地球化学学报（英文版） . 2009,第004期
4. Petrogenesis of massif-type anorthosite complex, Gruber, Central Dronning Maud Land, East Antarctica： Implications for magma source and evolution [J] . Anju Pandey, Amit Dharwadkar, Rasik Ravindra3 中国地球化学学报：英文版 . 2009,第004期
5. Bacterial and eukaryotic biodiversity patterns in terrestrial and aquatic habitats in the Sor Rondane Mountains, Dronning Maud Land, East Antarctica [J] . Obbels Dagmar, Verleyen Elie, Mano Marie-Jose, FEMS Microbiology Ecology . 2016,第6期

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6. Islands in ice: isolated populations of Cryptopygus sverdrupi (Collembola) among nunataks in the Sor Rondane Mountains, Dronning Maud Land, Antarctica [J] . Mark I. Stevens, Cyrille A. DHaese Biodiversity . 2014,第2a3期

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7. Preliminary description of tardigrade species diversity and distribution pattern around coastal Syowa Station and inland S0r Rondane Mountains, Dronning Maud Land, East Antarctica [J] . Megumu Tsujimoto, Sandra J. McInnes, Peter Convey, Polar biology . 2014,第9期

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机译：sørRondane山脉，Dronning maud Land，东南极洲的陆地和水生栖息地的细菌和真核生物多样性模式

Bacterial and eukaryotic biodiversity patterns in terrestrial and aquatic habitats in the Sor Rondane Mountains, Dronning Maud Land, East Antarctica

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