Results 61 to 70 of about 4,655 (209)

Insights from the Metagenome of an Acid Salt Lake: The Role of Biology in an Extreme Depositional Environment [PDF]

open access: yes, 2015
The extremely acidic brine lakes of the Yilgarn Craton of Western Australia are home to some of the most biologically challenging waters on Earth.
Benison, Kathleen Counter   +3 more
core   +4 more sources

Precise Capture of Membrane Proteins Using DNA‐Origami‐Constrained Nanodiscs

open access: yesSmall Structures, Volume 7, Issue 4, April 2026.
A designed DNA origami structure ensures manipulates and inserts an individual membrane protein in a single, captured nanodisc. Membrane proteins play a key role as cellular gatekeepers, regulating the flow of information and material across lipid membranes.
Piotr Stepien   +7 more
wiley   +1 more source

Desiccation- and Saline-Tolerant Bacteria and Archaea in Kalahari Pan Sediments

open access: yesFrontiers in Microbiology, 2018
More than 41% of the Earth’s land area is covered by permanent or seasonally arid dryland ecosystems. Global development and human activity have led to an increase in aridity, resulting in ecosystem degradation and desertification around the world.
Steffi Genderjahn   +6 more
doaj   +1 more source

Biosynthetic Gas Vesicles from Halobacteria NRC-1: A Potential Ultrasound Contrast Agent for Tumor Imaging

open access: yesPharmaceutics, 2022
Ultrasound contrast agents are valuable for diagnostic imaging and drug delivery. Generally, chemically synthesized microbubbles (MBs) are micro-sized particles.
Mingjie Wei   +4 more
doaj   +1 more source

Genomic and Ecological Flexibility Shape the Global Distribution of a Black Fungus

open access: yesEnvironmental Microbiology, Volume 28, Issue 4, April 2026.
Graphical abstract illustrating the integration of ecological and genomic data to explain the global adaptation of the black fungus Elasticomyces elasticus. ABSTRACT Black fungi are among the most stress‐resistant organisms known, yet the genetic and ecological foundations of their extraordinary resilience remain poorly understood.
Claudia Coleine   +12 more
wiley   +1 more source

Femtosecond spectroscopy of the first events of the photochemical cycle in bacteriorhodopsin [PDF]

open access: yes, 1985
The first steps in the photochemistry of bacteriorhodopsin (BR) are investigated with light pulses of 160 fs duration. Four samples are studied: (i) the purple membrane, (ii) deuterated purple membrane, (iii) BR trimers and (iv) BR monomers.
Kaiser, Wolfgang   +4 more
core   +1 more source

Cryoconite Hole Location in East-Antarctic Untersee Oasis Shapes Physical and Biological Diversity

open access: yesFrontiers in Microbiology, 2020
Antarctic cryoconite holes (CHs) are mostly perennially ice-lidded and sediment-filled depressions that constitute important features on glaciers and ice sheets.
Klemens Weisleitner   +7 more
doaj   +1 more source

Impact of Fire and Heat Stress on Soil Microorganisms: A Review of Community Changes, Molecular Responses and Plant‐Beneficial Roles

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 2, April 2026.
This work reviewed the direct and indirect effects of fires on microbial communities and the resilience strategies microbes use to withstand high temperatures . ABSTRACT Fire, whether occurring on the surface or underground, significantly influences soil microbial dynamics by reshaping community composition, functional diversity and overall soil and ...
Ma. del Carmen Orozco‐Mosqueda   +7 more
wiley   +1 more source

New Halonotius Species Provide Genomics-Based Insights Into Cobalamin Synthesis in Haloarchaea [PDF]

open access: yes, 2019
Hypersaline aquatic and terrestrial ecosystems display a cosmopolitan distribution. These environments teem with microbes and harbor a plethora of prokaryotic lineages that evaded ecological characterization due to the prior inability to cultivate them ...
Andrei, Adrian-Stefan   +3 more
core   +1 more source

Diversity of prokaryotic microorganisms in alkaline saline soil of the Qarhan Salt Lake area in the Qinghai–Tibet Plateau

open access: yesScientific Reports, 2022
The composition of microbial communities varies considerably across ecological environments, particularly in extreme environments, where unique microorganisms are typically used as the indicators of environmental conditions.
Yaqiong Wang, Guoyuan Bao
doaj   +1 more source

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