Results 91 to 100 of about 3,653,794 (230)

Estimating taxon‐specific population dynamics in diverse microbial communities

Ecosphere, 2018
Understanding how population‐level dynamics contribute to ecosystem‐level processes is a primary focus of ecological research and has led to important breakthroughs in the ecology of macroscopic organisms.
Benjamin J. Koch, Theresa A. McHugh, Michaela Hayer, Egbert Schwartz, Steven J. Blazewicz, Paul Dijkstra, Natasja vanGestel, Jane C. Marks, Rebecca L. Mau, Ember M. Morrissey, Jennifer Pett‐Ridge, Bruce A. Hungate   +11 more
doaj   +1 more source

A liquid chromatography - mass spectrometry method to measure (13)C-isotope enrichment for DNA stable-isotope probing

, 2012
DNA stable-isotope probing (DNA-SIP) is a cultivation-independent technique that makes it possible to associate metabolic function and taxonomic identity in a wide range of terrestrial and aquatic environments.
Villemur, Richard, Lépine, François, Auclair, Julie   +2 more
core   +1 more source

Degradation changes stable carbon isotope depth profiles in palsa peatlands [PDF]

, 2014
Palsa peatlands are a significant carbon pool in the global carbon cycle and are projected to change by global warming due to accelerated permafrost thaw. Our aim was to use stable carbon isotopes as indicators of palsa degradation.
Leifeld, J., C. Alewell, J. P. Krüger, Alewell, C., Krueger, J. P., J. Leifeld   +5 more
core   +2 more sources

Disturbance from restoration reseeding is associated with short‐term topsoil carbon loss and alters soil bacterial communities and functions in degraded alpine meadows of the Qinghai–Xizang Plateau

Grassland Research, EarlyView.
Restoration reseeding of degraded alpine meadows increased aboveground vegetation but was associated with short‐term topsoil carbon loss, coinciding with a microbial strategy shift from resident carbon‐preserving to carbon‐spending bacterial guilds. Abstract Background Restoration of degraded ecosystems is widely promoted as a nature‐based solution ...
Long‐Tao Zhu, Wen‐Min Shi, Guang‐Peng Qu, Xu Yin, Yong‐Kang Zhang, Ying‐Jie Sun, Zhen Luo, Wei Li, Chun‐Ping Zhang, Jie‐Jun Xi   +9 more
wiley   +1 more source

The key microorganisms for anaerobic degradation of pentachlorophenol in paddy soil as revealed by stable isotope probing

, 2015
Pentachlorophenol (PCP) is a common residual persistent pesticide in paddy soil and has resulted in harmful effect on soil ecosystem. The anaerobic microbial transformation of PCP, therefore, has been received much attentions, especially the functional ...
Li, Fangbai, Hu, Min, Liu, Chengshuai, Luo, Chunling, Tong, Hui, Chen, Manjia   +5 more
core   +1 more source

Protic N‐Heterocyclic Carbene Ligands in Ruthenium‐Catalyzed Transfer Hydrogenation

Helvetica Chimica Acta, EarlyView.
The activity of ruthenium transfer hydrogenation catalysts is strongly influenced by the number of protic units in the N‐heterocyclic carbene ligand. Doubly protic NH, NH ligands induce slower activity than mono‐protic NH, NMe ligands, while NMe, NMe ligands display the highest activity, suggesting metal‐ligand cooperativity is not beneficial for these
Gianluca Righetti, Georgyi Koidan, Sergiy L. Filimonchuk, Svitlana Shishkina, Aleksandr Kostyuk, Martin Albrecht   +5 more
wiley   +1 more source

Anaerobic carboxydotrophic bacteria in geothermal springs identified using stable isotope probing

Frontiers in Microbiology, 2015
Carbon monoxide (CO) is a potential energy and carbon source for thermophilic bacteria in geothermal environments. Geothermal sites ranging in temperature from 45–65°C were investigated for the presence and activity of anaerobic CO-oxidizing bacteria ...
Allyson Lee Brady, Allyson Lee Brady, Christine E Sharp, Stephen E Grasby, Peter F Dunfield   +4 more
doaj   +1 more source

DNA- and RNA-based stable isotope probing of hydrocarbon degraders.

, 2015
The microbial degradation of hydrocarbons in contaminated environments can be driven by distinct aerobic and anaerobic populations. While the physiology and biochemistry of selected degraders isolated in pure culture have been intensively studied in ...
Lueders, T., Tillmann Lueders
core   +1 more source

Combining metagenomics with metaproteomics and stable isotope probing reveals metabolic pathways used by a naturally occurring marine methylotroph [PDF]

, 2015
A variety of culture-independent techniques have been developed that can be used in conjunction with culture-dependent physiological and metabolic studies of key microbial organisms in order to better understand how the activity of natural populations ...
Burns, OJ, Grob, Carolina, Taubert, M, Richnow, HH, Murrell, J. Colin, Howat, AM, von Bergen, M, Dixon, JL, Jehmlich, N, Murrell, JC, Chen, Y, Murrell, J. C. (J. Colin), Richnow, Hans H., Taubert, Martin, Chen, Yin, von Bergen, Martin, Dixon, Joanna L., Burns, Oliver J., Jehmlich, Nico, Grob, C, Howat, Alexandra M.   +20 more
core   +1 more source

Corticosterone and Mitochondrial Efficiency Are Associated With Changes in DNA Oxidative Damage During an Acute Stress Response in Leach's Storm‐Petrels (Hydrobates leucorhous)

Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
ABSTRACT The ability of organisms to effectively respond to challenges is critical for survival. We investigated how an acute stressor affected corticosterone, mitochondrial function, and DNA oxidative damage in a wild population of Leach's storm‐petrels (Hydrobates leucorhous).
Kayla E. Lichtner, Jack K. Dziubek, Nicole A. Joseph, Sarah E. Chapman, Tori J. Chace, Dongxiao Sun, Zachary T. Bitzer, Antoine Stier, Robert A. Mauck, Patricia L. Jones, Mark F. Haussmann   +10 more
wiley   +1 more source