Sentences with phrase «sulfur clusters»

«After a few minutes you could start to see the formation of iron - sulfur clusters,» she says.

Less studied is the genesis of iron - sulfur clusters, the active core in enzymes that drive almost every aspect of cellular chemistry.

A new study suggests that the iron - and - sulfur clusters at the heart of many life - critical enzymes could have been floating around Earth's primordial seas some 4 billion years ago, produced by nothing more than primitive biomolecules, iron salts, and a previously unknown ingredient — ultraviolet (UV) light.

The Oncogenic Small Tumor Antigen of Merkel Cell Polyomavirus is an Iron - Sulfur Cluster Protein that Enhances Viral DNA Replication.

In a recent paper in the Journal of Biological Chemistry, Nathan Johnson and colleagues at the University of Wisconsin - Madison write that they found that IRP - 1 activity also could be suppressed by degradation when the iron - sulfur cluster biogenesis system was disabled, and that there were regulatory feedbacks between the protein degradation and iron - sulfur cluster mechanisms.

When intracellular iron is high, IRP - 1 is inactivated by the insertion of an iron - sulfur cluster.

Mutations in genes involved in iron - sulfur cluster synthesis generally have normal sized red blood cells (normocytic) and may be syndromic or non-syndromic.

Not exact matches

Research shows that sulfur, which onions are high in, may act as a natural blood thinner and helps prevent blood platelets from clustering.

The microscopic organism — an archaea known as Metallosphaera sedula (seen as a cluster of tiny dots sitting in the middle of the meteoritic dust particle pictured above)-- was originally found in 1989 living in Italy's hot acidic sulfur springs around Vesuvius.

Oxygen is a very reactive molecule that can disrupt the iron - and - sulfur - containing clusters of proteins that are crucial to photosynthesis.

Mitochondria provide another cellular service: synthesizing clusters of iron and sulfur that are essential helpers for a variety of proteins.

The clusters consist of cationic polymer binders, battery electrolyte, and anionic sulfur - active materials.

This illustration shows the formation of complex ion clusters during the cycling of a lithium - sulfur battery cell.

The enigmatic SAR202 cluster up close: shedding light on a globally distributed dark ocean lineage involved in sulfur cycling — Maliheh Mehrshad — The ISME Journal

Also, Peters» work has been vital in defining the first mechanisms for the biosynthesis of the unique iron - sulfur metal clusters in certain enzymes.