Results 1 to 10 of about 23,483 (205)

Impact of nicotine pathway downregulation on polyamine biosynthesis and leaf ripening in tobacco. [PDF]

Plant Direct, 2021
Abstract Traditional breeding and molecular approaches have been used to develop tobacco varieties with reduced nicotine and secondary alkaloid levels. However, available low‐alkaloid tobacco varieties have impaired leaf quality likely due to the metabolic consequences of nicotine biosynthesis downregulation.
Nölke G, Chudobova I, Houdelet M, Volke D, Lusso M, Frederick J, Kudithipudi C, Shen Y, Warek U, Strickland JA, Xu D, Schinkel H, Schillberg S.   +12 more
europepmc   +2 more sources

Quaternary Interaction of the HIV-1 Envelope Trimer with CD4 and Neutralizing Antibodies [PDF]

Viruses, 2021
The entry of HIV-1 into host cells is initiated by the interaction of the viral envelope (Env) spike with the CD4 receptor. During this process, the spike undergoes a series of conformational changes that eventually lead to the exposure of the fusion ...
Qingbo Liu, Peng Zhang, Paolo Lusso
doaj   +2 more sources

The multifaceted role of XCL1 in health and disease. [PDF]

Protein Sci
Abstract The chemokine XC motif chemokine ligand 1 (XCL1) is an unusually specialized member of a conserved family of around 50 small, secreted proteins that are best known for their ability to stimulate the directional migration of cells. All chemokines adopt a very similar folded structure that binds a specific G protein‐coupled receptor (GPCR), and ...
Syed M, Dishman AF, Volkman BF, Walker TL.   +3 more
europepmc   +2 more sources

Levels and Predictors of Leaders' Humble Leadership, Participants' Psychological Safety, Knowledge Sharing in the Team, and Followers' Creativity in Nursing: A Cross-Sectional Online Survey. [PDF]

J Nurs Manag
Aim. The current study investigated the levels and predictors of leaders’ humble leadership, participants’ psychological safety, knowledge sharing in the team, and followers’ creativity in nursing. Background. Humble leadership, psychological safety, knowledge sharing, and followers’ creativity are non‐nursing research fields, and humble leadership has
Mrayyan MT, Al-Rjoub SF.
europepmc   +2 more sources

Investigating Dark Energy Equation of State With High Redshift Hubble Diagram

Frontiers in Astronomy and Space Sciences, 2020
Several independent cosmological data, collected within the last 20 years, revealed the accelerated expansion rate of the Universe, usually assumed to be driven by the so called dark energy, which, according to recent estimates, provides now about 70% of
Marek Demianski, Marek Demianski, Elisabeta Lusso, Elisabeta Lusso, Maurizio Paolillo, Maurizio Paolillo, Maurizio Paolillo, Ester Piedipalumbo, Ester Piedipalumbo, Guido Risaliti, Guido Risaliti   +10 more
doaj   +1 more source

The jet emitting disk‐standard accretion disk model applied to the active galactic nuclei ultra violet–X‐ray correlation

Astronomische Nachrichten, Volume 344, Issue 4, May 2023., 2023
Abstract The non‐linear correlation between the UV and X‐ray emission observed in active galactic nuclei remains a puzzling question that challenges accretion models. While the UV emission originates from the cold disk, the X‐ray emission is emitted by a hot corona whose physical characteristics and geometry are still highly debated.
S. Barnier, P.‐O. Petrucci, J. Ferreira, G. Marcel   +3 more
wiley   +1 more source

Quasars as high‐redshift standard candles

Astronomische Nachrichten, Volume 344, Issue 4, May 2023., 2023
Abstract In the past few years, we built a Hubble diagram of quasars up to redshift z∼7$$ z\sim 7 $$, based on the nonlinear relation between quasars' x‐ray and UV luminosities. Such a Hubble diagram shows a >4σ$$ >4\sigma $$ deviation from the standard flat Λ$$ \Lambda $$CDM model at z>1.5$$ z>1.5 $$.
G. Risaliti, E. Lusso, E. Nardini, G. Bargiacchi, S. Bisogni, A. Sacchi, M. Signorini, B. Trefoloni   +7 more
wiley   +1 more source

Cosmology With Quasars: Predictions for eROSITA From a Quasar Hubble Diagram

Frontiers in Astronomy and Space Sciences, 2020
The effort for understanding the matter and energy content of the Universe and its evolution relies on different probes, such as cosmic background radiation, cluster lensing, supernovae.
Elisabeta Lusso, Elisabeta Lusso
doaj   +1 more source

Fat type and baking conditions for cookies recipe: a sensomic approach

International Journal of Food Science &Technology, Volume 57, Issue 9, Page 5943-5953, September 2022., 2022
Summary Fat replacement is a particular challenge for food technologists as it determines changes in the rheological properties, which could be translated into a reduction of the consumer's acceptability. In this context, a sensomic approach has been applied to cookies obtained by using different fats and baking conditions for orienting product ...
Maria Merlino, Elena Arena, Fabrizio Cincotta, Concetta Condurso, Selina Brighina, Antonia Grasso, Biagio Fallico, Antonella Verzera   +7 more
wiley   +1 more source

Does $$\varLambda $$ Λ CDM really be in tension with the Hubble diagram data?

European Physical Journal C: Particles and Fields, 2020
In this article, we elaborate further on the $$\varLambda $$ Λ CDM “tension”, suggested recently by the authors Lusso et al. (Astron Astrophys 628:L4, 2019) and Risaliti and Lusso (Nat Astron 3(3):272, 2019).
Ahmad Mehrabi, Spyros Basilakos
doaj   +1 more source