One of the grand challenges in modern agriculture is increasing biomass production, while
improving plant product quality, in a sustainable way. Of the minerals, iron (Fe) plays a major …

It was once widely held that nearly all reactions in biology were catalyzed via mechanisms
involving paired electron species. Beginning approximately 40 years ago, this paradigm was …

Modified tetrapyrroles are large macrocyclic compounds, consisting of diverse conjugation
and metal chelation systems and imparting an array of colors to the biological structures that …

Energy conversion of sunlight by photosynthetic organisms has changed Earth and life on it.
Photosynthesis arose early in Earth's history, and the earliest forms of photosynthetic life …

Tetrapyrroles play vital roles in various biological processes, including photosynthesis and
respiration. Higher plants contain four classes of tetrapyrroles, namely, chlorophyll, heme …

Tetrapyrroles are macrocyclic molecules with various structural variants and multiple
functions in Prokaryotes and Eukaryotes. Present knowledge about the metabolism of …

Since the 1970s, researchers have proposed several regulatory pathways governing
chlorophyll metabolism, but only recently have the underlying molecular mechanisms been …

Higher plants produce four classes of tetrapyrroles, namely, chlorophyll (Chl), heme,
siroheme, and phytochromobilin. In plants, tetrapyrroles play essential roles in a wide range …

Chlorophylls are magnesium-tetrapyrrole molecules that play essential roles in
photosynthesis. All chlorophylls have similar five-membered ring structures, with variations …

Chlorophylls are the most abundant tetrapyrrole molecules essential for photosynthesis in
photosynthetic organisms. After many years of intensive research, most of the genes …