Results 71 to 80 of about 11,005 (181)

A model for tetrapyrrole synthesis as the primary mechanism for plastid-to-nucleus signaling during chloroplast biogenesis

Frontiers in Plant Science, 2013
Chloroplast biogenesis involves the co-ordinated expression of the chloroplast and nuclear genomes, requiring information to be sent from the developing chloroplasts to the nucleus.
Matthew J. Terry, Matthew J. Terry, Alison G. Smith   +2 more
doaj   +1 more source

High Fluorescence of Phytochromes Does Not Require Chromophore Protonation

Molecules
Fluorescing proteins emitting in the near-infrared region are of high importance in various fields of biomedicine and applied life sciences. Promising candidates are phytochromes that can be engineered to a small size and genetically attached to a target
Sagie Katz, Hoang Trong Phan, Fabian Rieder, Franziska Seifert, Markus Pietzsch, Jan Laufer, Franz-Josef Schmitt, Peter Hildebrandt   +7 more
doaj   +1 more source

Cavity Design via Entrapment of Tetrapyrrole Macrocycles in Sol–Gel Matrices for Catalytic, Optical or Sensoring Functions

Adsorption Science & Technology, 2012
The physicochemical and luminescent properties of tetrapyrrole macrocycles, such as the porphyrins (H 2 P) and phthalocyanines (H 2 Pc), were preserved by trapping or bonding these species in silica matrices.
M.A. García-Sánchez, R.I.Y. Quiroz-Segoviano, F. Rojas, E.C. Menchaca-Campos, S.R. Tello–Solís, L. Munguía-Cortéz, L.A. Díaz-Alejo, E. Salas-Bañales   +7 more
doaj   +1 more source

A Modified Pyrrole Biscarbinol Approach to Opp‐A2B2‐Symmetric Benzoporphyrins

ChemistryEurope
In the pursuit of advanced functional materials, π‐extended porphyrin derivatives, particularly β,β‐benzannulated tetrapyrroles, have garnered significant attention due to their unique structural and electronic properties.
Lampros‐Pascal Gazetas, Michael Ruppel, Frank Hampel, Dominik Lungerich, Norbert Jux   +4 more
doaj   +1 more source

Matrix Selection Strategies for MALDI-TOF MS/MS Characterization of Cyclic Tetrapyrroles in Blood and Food Samples

Molecules
Cyclic tetrapyrrole derivatives such as porphyrins, chlorins, corrins (compounds with a corrin core), and phthalocyanines are a family of molecules containing four pyrrole rings usually coordinating a metal ion (Mg, Cu, Fe, Zn, etc.). Here, we report the
Mariachiara Bianco, Giovanni Ventura, Cosima Damiana Calvano, Ilario Losito, Tommaso R. I. Cataldi, Antonio Monopoli   +5 more
doaj   +1 more source

COVID-19 Therapy: Could a Chlorophyll Derivative Promote Cellular Accumulation of Zn2+ Ions to Inhibit SARS-CoV-2 RNA Synthesis?

Frontiers in Plant Science, 2020
Nicole F. Clark, Andrew W. Taylor-Robinson   +1 more
doaj   +1 more source

The Keto Functions of Heme d₁ Are Introduced by NirF and NirC. [PDF]

Chembiochem
Hebecker P, Layer G.
europepmc   +1 more source

Tetrapyrrole Biosynthetics [PDF]

Nature, 1965
openaire   +1 more source

A Direct ALAD-SSUII Interaction Implies a Potential Link Between Tetrapyrrole and Terpenoid Pathways Toward Chlorophyll Biosynthesis in Plants. [PDF]

Int J Mol Sci
Huang N, Wang Z, Song S, Chen Y, Nian P, Zhou F, Lu S.   +6 more
europepmc   +1 more source

Mechanisms of Red-Shifted Absorption in Biliverdin-Binding Proteins. [PDF]

Biochemistry
Noji T, Saito K, Ishikita H.
europepmc   +1 more source