Arid
DOI10.1007/s00248-017-1040-9
Bacterial and Archaeal Diversity in Hypersaline Cyanobacterial Mats Along a Transect in the Intertidal Flats of the Sultanate of Oman
Vogt, Janina C.1; Abed, Raeid M. M.2; Albach, Dirk C.1; Palinska, Katarzyna A.3
通讯作者Vogt, Janina C.
来源期刊MICROBIAL ECOLOGY
ISSN0095-3628
EISSN1432-184X
出版年2018
卷号75期号:2页码:331-347
英文摘要

Hypersaline intertidal zones are highly dynamic ecosystems that are exposed to multiple extreme environmental conditions including rapidly and frequently changing parameters (water, nutrients, temperature) as well as highly elevated salinity levels often caused by high temperatures and evaporation rates. Microbial mats in most extreme settings, as found at the coastline of the subtropical-arid Arabian Peninsula, have been relatively less studied compared to their counterparts around the world. We report, here, for the first time on the diversity of the bacterial and archaeal communities of marine microbial mats along an intertidal transect in a wide salt flat with strongly increased salinity employing Illumina MiSeq technology for amplicon sequencing of 16S rRNA gene fragments. Microbial communities were dominated by typical halotolerant to halophilic microorganisms, with clear shifts in community composition, richness, and diversity along the transect. Highly adapted specialists (e.g., Euhalothece, Salinibacter, Nanohaloarchaeota) were mainly found at the most extreme, upper tidal sites and less specialized organisms with wide tolerance ranges (e.g., Lyngbya, Rhodovibrio, Salisaeta, Halobacteria) in intermediate sites of the transect. The dominating taxa in the lower tidal sites were typical members of well-stabilized mats (e.g., Coleofasciculus, Anaerolineaceae, Thaumarchaeota). Up to 40% of the archaeal sequences per sample represented so far unknown phyla. In conclusion, the bacterial richness and diversity increased from upper towards lower tidal sites in line with increasing mat stabilization and functional diversity, opposed to that of cyanobacteria only and archaea, which showed their highest richness and diversity in upper tidal samples.


英文关键词MiSeq sequencing Microbial diversity Hypersalinity Tidal flats Extremophiles Microbial mats
类型Article
语种英语
国家Germany ; Oman ; Poland
收录类别SCI-E
WOS记录号WOS:000418740200006
WOS关键词AEROBIC HETEROTROPHIC BACTERIA ; EXTREMELY HALOPHILIC BACTERIUM ; SP-NOV. ; GEN.-NOV. ; MICROBIAL MATS ; MICROCOLEUS-CHTHONOPLASTES ; COLORIMETRIC DETERMINATION ; RHODOSPIRILLUM-SODOMENSE ; SALINITY GRADIENT ; NITROGEN-FIXATION
WOS类目Ecology ; Marine & Freshwater Biology ; Microbiology
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/211646
作者单位1.Carl von Ossietzky Univ Oldenburg, Inst Biol & Environm Sci IBU, Plants Biodivers & Evolut, Carl von Ossietzky Str 9-11, D-26129 Oldenburg, Germany;
2.Sultan Qaboos Univ, Dept Biol, Coll Sci, POB 36, Al Khoud 123, Oman;
3.Univ Gdansk, Inst Oceanog, Fac Oceanog & Geog, Al J Pilsudskiego 46, PL-80378 Gdynia, Poland
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Vogt, Janina C.,Abed, Raeid M. M.,Albach, Dirk C.,et al. Bacterial and Archaeal Diversity in Hypersaline Cyanobacterial Mats Along a Transect in the Intertidal Flats of the Sultanate of Oman[J],2018,75(2):331-347.
APA Vogt, Janina C.,Abed, Raeid M. M.,Albach, Dirk C.,&Palinska, Katarzyna A..(2018).Bacterial and Archaeal Diversity in Hypersaline Cyanobacterial Mats Along a Transect in the Intertidal Flats of the Sultanate of Oman.MICROBIAL ECOLOGY,75(2),331-347.
MLA Vogt, Janina C.,et al."Bacterial and Archaeal Diversity in Hypersaline Cyanobacterial Mats Along a Transect in the Intertidal Flats of the Sultanate of Oman".MICROBIAL ECOLOGY 75.2(2018):331-347.
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