Results 31 to 40 of about 203,371 (261)

Molecular bases of circadian magnesium rhythms across eukaryotes

FEBS Letters, EarlyView.
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley   +1 more source

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

FEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva, Ariann E. Mendoza‐Martínez, P. Abril Medina‐Flores, Carlos Campero‐Basaldua, Alexander DeLuna, Soledad Funes   +5 more
wiley   +1 more source

Total and watersoluble organic matter content in soil under various methods of forestry

Інтродукція Рослин, 2014
Water-base organic compounds are among the most labile fractions of soil organic matter. Their content are considered a sensitive indicator of soil quality and changes quantitatively under the influence of anthropogenic pressure.
N.V. Zaimenko, O.I. Dziuba, T.Yu. Bedernichek   +2 more
doaj   +1 more source

Cell wall target fragment discovery using a low‐cost, minimal fragment library

FEBS Letters, EarlyView.
LoCoFrag100 is a fragment library made up of 100 different compounds. Similarity between the fragments is minimized and 10 different fragments are mixed into a single cocktail, which is soaked to protein crystals. These crystals are analysed by X‐ray crystallography, revealing the binding modes of the bound fragment ligands.
Kaizhou Yan, Mathew Stanley, Olawale Raimi, Andrew T. Ferenbach, Helge C Dorfmueller, Daan M. F. van Aalten   +5 more
wiley   +1 more source

Accumulation effect of soil aggregate organic carbon in mixed forest in open-pit coal mine

Meitan kexue jishu
Mining activities result in the depletion of soil nutrients and carbon reservoirs. A pressing need exists to examine soil nutrient status, particularly the recovery of organic matter following prolonged revegetation in open pit mines.
Xiaoping ZHANG, Mingchao LI, Yinli BI, Xin LI   +3 more
doaj   +1 more source

Zn situation of vegetable garden soils and its relation to soil organic carbon

浙江大学学报. 农业与生命科学版, 2000
With a field survey, Zn situation of vegetable garden soils and its relation to soil organic carbon were investigated. The results presented that the total Zn contents of vegetable garden soils in the survey area range 75.5-302.0 mg/kg with an average as
NI Wu-zhong, LONG Xin-xian, SUN Qin, HE Ji-xiu, YABG Xiao-e   +4 more
doaj   +1 more source

Total organic carbon content in the waters of the Arabian Gulf

Environment International, 1998
Abstract Total organic carbon (TOC) content determined by organic carbon analyzer in the waters of the United Arab Emirates (UAE) and Qatar of the Arabian Gulf during 1986 showed values ranging from 0.8 to 3.9 and from 0.5 to 3.6 mg L−1, respectively.
openaire   +1 more source

Total carbon analysis may overestimate organic carbon content of fresh waters in the presence of high dissolved inorganic carbon [PDF]

Limnology and Oceanography: Methods, 2010
Automated carbon analyzers often are configured to provide estimates of both total organic carbon (TOC) and nonpurgeable organic carbon (NPOC). We show there can be an overestimation of total carbon in the presence of moderate to large quantities of dissolved inorganic carbon.
Stuart Findlay, William H. McDowell, David Fischer, Michael L. Pace, Nina Caraco, Sujay S Kaushal, Kathleen C. Weathers   +6 more
openaire   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source