Arid
DOI10.1111/jpy.12196
BIODIVERSITY OF SOIL CYANOBACTERIA IN THE HYPER-ARID ATACAMA DESERT, CHILE
Patzelt, Dominik J.1; Hodac, Ladislav1; Friedl, Thomas1; Pietrasiak, Nicole2; Johansen, Jeffrey R.2,3
通讯作者Johansen, Jeffrey R.
来源期刊JOURNAL OF PHYCOLOGY
ISSN0022-3646
EISSN1529-8817
出版年2014
卷号50期号:4页码:698-710
英文摘要

The cyanobacterial diversity of soils of the Atacama Desert (Chile) was investigated using 16S rRNA gene cloning/sequencing directly from soil samples and 16S rRNA gene sequencing from unialgal cultures. Within the hyper-arid Atacama Desert, one of the driest parts of the world, 10 sites with differing altitude and distance to the shore were sampled along a total air-line distance (from south to north) of similar to 1,100km. Filamentous cyanobacteria belonging to Nostocophycideae and Synechococcophycideae were present. Oscillatoriophycideae exhibited the highest species richness among the subclasses of cyanobacteria, and included mostly filamentous species along with some coccoids (e.g., Chroococcidiopsis). Thirty species-level phylotypes could be recognized using a cut-off of 99% 16S rRNA sequence similarity within the 22 genera defined at 97% 16S rRNA sequence similarity. Eight of the 30 taxa could be detected by both clonal and culture sequences. Five taxa were observed only in cultures, whereas the cloning approach revealed 17 additional taxa, which might be in the collection but unsequenced, hard-to-cultivate, or entirely unculturable species using standard cultivation media. The Atacama Desert soils have a high diversity of phylotypes, among which are likely both new genera and new species awaiting characterization and description.


英文关键词Atacama Desert biodiversity biogeography cyanobacteria Microcoleus SSU rRNA cloning
类型Article
语种英语
国家Germany ; USA ; Czech Republic
收录类别SCI-E
WOS记录号WOS:000340460100009
WOS关键词RIBOSOMAL-RNA GENE ; SP-NOV PSEUDANABAENACEAE ; MICROBIAL COLONIZATION ; POLYPHASIC CHARACTERIZATION ; SEQUENCE-ANALYSIS ; COLORADO PLATEAU ; DRY VALLEYS ; DIVERSITY ; CRUSTS ; OSCILLATORIALES
WOS类目Plant Sciences ; Marine & Freshwater Biology
WOS研究方向Plant Sciences ; Marine & Freshwater Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/183621
作者单位1.Univ Gottingen, Expt Phykol & Sammlung Algenkulturen SAG, D-37073 Gottingen, Germany;
2.John Carroll Univ, Dept Biol, University Hts, OH 44118 USA;
3.Univ South Bohemia, Dept Bot, Fac Sci, Ceske Budejovice 37005, Czech Republic
推荐引用方式
GB/T 7714
Patzelt, Dominik J.,Hodac, Ladislav,Friedl, Thomas,et al. BIODIVERSITY OF SOIL CYANOBACTERIA IN THE HYPER-ARID ATACAMA DESERT, CHILE[J],2014,50(4):698-710.
APA Patzelt, Dominik J.,Hodac, Ladislav,Friedl, Thomas,Pietrasiak, Nicole,&Johansen, Jeffrey R..(2014).BIODIVERSITY OF SOIL CYANOBACTERIA IN THE HYPER-ARID ATACAMA DESERT, CHILE.JOURNAL OF PHYCOLOGY,50(4),698-710.
MLA Patzelt, Dominik J.,et al."BIODIVERSITY OF SOIL CYANOBACTERIA IN THE HYPER-ARID ATACAMA DESERT, CHILE".JOURNAL OF PHYCOLOGY 50.4(2014):698-710.
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