.... Above the upper lignite (except the topmost sample), evaporitic-siliciclastic units preserve a depauperate palynomorph assemblage comprising mostly long-ranging sclerophyllic-xerophilous-halophilic taxa. The pollen Myrtaceidites lipsis constrains the age of the upper ∼23 m interval as Pliocene to Recent...

... of these halophilic species in Lake Qarun seems to be a consequence of rising “salinity” that has made the lake a suitable habitat for these foraminiferal taxa. © 2007 Journal of Foraminiferal Research 2007 Simple diversity (S) was calculated by counting the total number of species (dead) in each sample...

...Brian A. Schubert; Tim K. Lowenstein; Michael N. Timofeeff; Matthew A. Parker Abstract Long-term survival of microorganisms has been demonstrated by prokaryotes cultured from ancient halite, but previous results are controversial. Three genera of non-spore-forming halophilic Archaea were cultured...

...) palynomorphs, (2) increase in δ 13 C of the lipid biomarker archaeol (bis-O-phytanylglycerol), and (3) the occurrence of 13 C-enriched C 20 /C 25 -archaeol (O-phytanyl-O-sesterterpanylglycerol) specific to halophilic Archaea. In addition, the unidirectional trend in 87 Sr/ 86 Sr of carbonates, declining from...

... sphaerophora f. costata (Kütz.) Schmid, Rhopalodia gibba (Ehr.) O. Müll., Cymbella cistula (Hemp.) Grun., C. tumida (Bréb.) Grun. in V.H., and Fragilaria ulna (Nitz.) L.-B. Complex 2 (38–42 cm). Diatoms are represented by 25 taxa, and frustule content is high. Benthos predominates (82–93...

... are minor (2%). Three groups of indicator taxa have been recognized by halobic types: indifferent, halophilic, and mesohalobic. Indifferent taxa, dwelling in water reservoirs with salt contents of 0.2–0.3 g/l, are predominant (62%). Halophilic taxa amount to 13%, and mesohalobic ones, dwelling in brackish...

... hydrocarbons were detected or not in these soil samples. A total of 21–28 bacterial and archaeal taxa were detected. The hydrocarbon-degrading halophilic archaea and bacteria such as Haloferex sp., Idiomarina sp., Marinobacter sp., and Halomonas sp. were detected at location 2 (non-DH-impacted area...

.... n.a. n.a. precursor phase on the forming surfaces of nacre and coral skeletons Monohydrocalcite CaCO 3 • 1H 2 O Trigonal / P 3121 a = 10.554 Å c = 7.545 Å 2–3 2.48–2.94 n.a. precursor phase on the forming surfaces of nacre and coral skeletons, induced biomineralization of halophilic...

... acceptor for the oxidation of organic compounds. However, numerous other microbial taxa have been detected in the biofilm (Labrenz and Banfield, submitted). Consequently, we cannot be certain that the cells shown in Figures 1 and 2 are sulfate-reducing bacteria. TEM-based characterization...

.... 1996 ). Emphasis was placed on the cyanobacterial taxa, which are key organisms and which dominate the mat biomass ( Dijkman et al. 2010 ). Approximately ten slides from the mat were microscopically observed (Axiovision Imager.A1 Zeiss) to ensure a good overall representation of resident...

... organisms. Extant chytrids are separated mainly based on molecular and ultrastructural data, whereas morphologically they are represented by simple, although diverse, thalli that also look similar to structures produced by other fungal-like taxa ( Porter, 1990 ; Webster and Weber, 2007 ). Among available...

... bacterial communities, and co-occurrence analysis identified numerous correlations between the relative abundances of individual diatom and bacterial taxa. Future studies could delve into these findings to formulate hypotheses and design experiments that uncover the mechanisms that drive these relationships...

...-degrading marine bacterium . International Journal of Systematic Bacteriology , 42 , 568 – 576 . Gihring T.M. Moser D.P. Lin L.H. . 2006 . The distribution of microbial taxa in the subsurface water of the Kalahari Shield, South Africa . Geomicrobiology Journal , 23 , 415...

... Asteraceae, Eucalyptus , Brassicaceae, Casuarina , Pistacia , Arecaceae, Apiaceae, Thymeleaceae and Rumex . The abundance range was Chenopodiaceae/Amaranthaceae (41.4%) to Rumex (0.6%). The winter pollen spectrum largely comprised Arecaceae and Cupressaceae. Pollination during spring included most taxa, i.e...

.... The centropyxid taxa trended towards ecophenotypes without spines with increasing salinity, and dwarfed and autogenous-shelled Centropyxis constricta “aerophila” were determined as the most euryhaline thecamoebian, persisting at the ecological boundary of the group (~3.3 psu). Importantly, the transition from...

... to curvilinear and lumpy to hummocky textures consistent with the underlying microbialite fabrics. Gypsum-dominated crusts are often distributed with halophile microorganisms that have adapted to the prevalent hypersaline environments. For example, some gypsum-halite deposits in arid sabkha terrains develop...

... this drops rapidly at night). Water, a prerequisite for life on Earth, is in short supply on Mars. Though there is evidence for intermittent flows ( Ojha et al. 2015 ), the brines that comprise these flows would require life to be halophilic, or salt-loving. But these conditions do not necessarily preclude...

... coincident with the presence of halophilous taxa. Therefore, the combination of both independent sources of evidence provided reliable data to propose higher salinities in the lake at ca. 700 cal. years BP. Modern conditions were recorded in the topmost 18 cm of the sedimentary record, as indicated...

... et al., 2011 ). The family Trifissuridae includes only the two new genera Trifissura and Tolen with the two new species: Tr. rigida and To. multicostatus as well as Tr. transversa (Salter in Davidson, 1866 ). All these taxa have very simple shell morphology...

... and >150-μm size fractions are quite diverse with a moderate evenness. In the >150-μm size fraction, the high abundance of intermediate and deep infaunal taxa ( Uvigerina elongatastriata , Bolivina alata , Melonis barleeanus , Globobulimina spp. and Chilostomella oolina ) underlines the importance...