Results 61 to 70 of about 5,337,100 (262)

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

First record of Aulonia kratochvili (Araneae, Lycosidae) from Europe [PDF]

open access: yes, 2013
The fauna of wolf spiders is rather well-known in certain parts of the Balkan Peninsula, in others less so. While extensive collecting has been undertaken in Bulgaria (summarized in DEL TSHEV & BLAGOEV 1995), other parts, like Greece, still await to be ...
Kronestedt, Torbjörn
core  

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Stability implications of delay distribution for first-order and second-order systems [PDF]

open access: yes, 2009
Kiss, G., & Krauskopf, B. (2009). Stability implications of delay distribution for first-order and second-order systems.
Kiss, G, Krauskopf, B
core   +2 more sources

Hematopoietic (stem) cells—The elixir of life?

open access: yesFEBS Letters, EarlyView.
The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo   +4 more
wiley   +1 more source

FIRST RECORD OF CULEX CORONATOR FROM ALABAMA

open access: yesJournal of the American Mosquito Control Association, 2007
Females of Culex coronator were collected in Mobile, AL, during surveillance to direct mosquito control operations following Hurricane Katrina. A total of 249 specimens of this species were collected in light traps at 15 widely separated sites in the county. These represent the first confirmed specimens of Cx. coronator in Alabama.
James R, McNelly   +3 more
openaire   +2 more sources

First Record of the Ragged-tooth Shark, Odontaspis ferox, off the U.S. Atlantic Coast [PDF]

open access: yes, 1998
On 11 September 1994, a large shark was captured and later identified as the ragged-tooth shark, Odontaspis ferox (Risso). The shark was captured during routine bottom trawl survey operations onboard the NOAA R/V Albatross IV, approximately 25 n.mi ...
Sheehan, Timothy F.
core  

Conserved structural motifs in PAS, LOV, and CRY proteins regulate circadian rhythms and are therapeutic targets

open access: yesFEBS Letters, EarlyView.
Cryptochrome and PAS/LOV proteins play intricate roles in circadian clocks where they act as both sensors and mediators of protein–protein interactions. Their ubiquitous presence in signaling networks has positioned them as targets for small‐molecule therapeutics. This review provides a structural introduction to these protein families.
Eric D. Brinckman   +2 more
wiley   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

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