[HTML][HTML] The atomistic modeling of light-harvesting complexes from the physical models to the computational protocol

E Cignoni, V Slama, L Cupellini… - The Journal of Chemical …, 2022 - pubs.aip.org
The function of light-harvesting complexes is determined by a complex network of dynamic
interactions among all the different components: the aggregate of pigments, the protein, and …

[HTML][HTML] Deciphering photoreceptors through atomistic modeling from light absorption to conformational response

G Salvadori, P Mazzeo, D Accomasso… - Journal of molecular …, 2024 - Elsevier
In this review, we discuss the successes and challenges of the atomistic modeling of
photoreceptors. Throughout our presentation, we integrate explanations of the primary …

Protein control of photochemistry and transient intermediates in phytochromes

G Salvadori, V Macaluso, G Pellicci, L Cupellini… - Nature …, 2022 - nature.com
Phytochromes are ubiquitous photoreceptors responsible for sensing light in plants, fungi
and bacteria. Their photoactivation is initiated by the photoisomerization of the embedded …

[HTML][HTML] Ground-state heterogeneity and vibrational energy redistribution in bacterial phytochrome observed with femtosecond 2D IR spectroscopy

M Chenchiliyan, J Kübel, SA Ooi, G Salvadori… - The Journal of …, 2023 - pubs.aip.org
Phytochromes belong to a group of photoreceptor proteins containing a covalently bound
biliverdin chromophore that inter-converts between two isomeric forms upon photoexcitation …

Unlocking the power of resonance Raman spectroscopy: The case of amides in aqueous solution

S Gómez, F Egidi, A Puglisi, T Giovannini… - Journal of Molecular …, 2022 - Elsevier
We report a joined experimental and computational study of Raman and Resonance Raman
spectra of amides in aqueous solution. By employing state-of-the-art QM/MM methods …

The structural changes in the signaling mechanism of bacteriophytochromes in solution revealed by a multiscale computational investigation

V Macaluso, G Salvadori, L Cupellini, B Mennucci - Chemical Science, 2021 - pubs.rsc.org
Phytochromes are red-light sensing proteins, with important light-regulatory roles in different
organisms, which are capturing an increasing interest in bioimaging and optogenetics. Upon …

Analogies and differences in the photoactivation mechanism of bathy and canonical bacteriophytochromes revealed by multiscale modeling

G Salvadori, B Mennucci - The Journal of Physical Chemistry …, 2024 - ACS Publications
Bacteriophytochromes are light-sensing biological machines that switch between two
photoreversible states, Pr and Pfr. Their relative stability is opposite in canonical and bathy …

Influence of the Environment on Shaping the Absorption of Monomeric Infrared Fluorescent Proteins

S Rathnachalam, MFSJ Menger… - The Journal of Physical …, 2021 - ACS Publications
Infrared fluorescent proteins (iRFPs) are potential candidates for deep-tissue in vivo
imaging. Here, we provide molecular-level insights into the role of the protein environment in …

Quasi-classical simulations of resonance Raman spectra based on path integral linearization

H Bessone, R Vuilleumier, R Spezia - The Journal of Chemical Physics, 2023 - pubs.aip.org
Based on a linearization approximation coupled with path integral formalism, we propose a
method derived from the propagation of quasi-classical trajectories to simulate resonance …

Enhancing the inhomogeneous photodynamics of canonical bacteriophytochrome

J Rydzewski, K Walczewska-Szewc… - The Journal of …, 2022 - ACS Publications
The ability of phytochromes to act as photoswitches in plants and microorganisms depends
on interactions between a bilin-like chromophore and a host protein. The interconversion …