Results 21 to 30 of about 50,722 (302)

Metabolic engineering of cucurbitacins in Cucurbita pepo hairy roots

open access: yesFrontiers in Plant Science, 2022
In this paper we show that metabolic engineering in Cucurbita pepo hairy roots can be used to both effectively increase and modify cucurbitacins. Cucurbitacins are highly-oxygenated triterpenoids originally described in the Cucurbitaceae family, but have
Aldo Almeida   +7 more
doaj   +1 more source

Mechanisms of Bacterial Extracellular Electron Exchange. [PDF]

open access: yes, 2016
The biochemical mechanisms by which microbes interact with extracellular soluble metal ions and insoluble redox-active minerals have been the focus of intense research over the last three decades. The process presents two challenges to the microorganism;
Butt, Julea N.   +5 more
core   +1 more source

A cytochrome b561 with ferric reductase activity from the parasitic blood fluke, Schistosoma japonicum. [PDF]

open access: yesPLoS Neglected Tropical Diseases, 2010
BACKGROUND: Iron has an integral role in numerous cellular reactions and is required by virtually all organisms. In physiological conditions, iron is abundant in a largely insoluble ferric state.
Amber Glanfield   +6 more
doaj   +1 more source

Biogenesis of mitochondrial c-type cytochromes [PDF]

open access: yes, 1990
Cytochromesc andc 1 are essential components of the mitochondrial respiratory chain. In both cytochromes the heme group is covalently linked to the polypeptide chain via thioether bridges. The location of the two cytochromes is in the intermembrane space;
Gonzales, Daniel H., Neupert, Walter
core   +2 more sources

In situ spectroscopy reveals that microorganisms in different phyla use different electron transfer biomolecules to respire aerobically on soluble iron

open access: yesFrontiers in Microbiology, 2016
Absorbance spectra were collected on twelve different live microorganisms, representing six phyla, as they respired aerobically on soluble iron at pH 1.5.
Robert Blake   +8 more
doaj   +1 more source

Electron Flow From the Inner Membrane Towards the Cell Exterior in Geobacter sulfurreducens: Biochemical Characterization of Cytochrome CbcL

open access: yesFrontiers in Microbiology, 2022
Exoelectrogenic microorganisms are in the spotlight due to their unique respiratory mechanisms and potential applications in distinct biotechnological fields, including bioremediation, bioenergy production and microbial electrosynthesis.
Jorge M. A. Antunes   +7 more
doaj   +1 more source

Immunosuppressive Effect of Polycyclic Aromatic Hydrocarbons by Induction of Apoptosis of pre-B Lymphocytes of Bone Marrow

open access: yesActa Medica, 2002
Polycyclic aromatic hydrocarbons (PAH) are ubiquitous environmental pollutants, distinguished by genotoxic, hepatotoxic, nephrotoxic and immunotoxic effects.
Jakub Novosad   +3 more
doaj   +1 more source

Resonance Raman Spectroscopy Reveals that Substrate Structure Selectively Impacts the Heme-Bound Diatomic Ligands of CYP17 [PDF]

open access: yes, 2013
An important function of steroidogenic cytochromes P450 is the transformation of cholesterol to produce androgens, estrogens, and the corticosteroids.
Gregory, Michael C.   +3 more
core   +2 more sources

Requirement for ω and (ω–1)-hydroxylations of fatty acids by human cytochromes P450 2E1 and 4A11

open access: yesJournal of Lipid Research, 1999
Human liver microsomes and recombinant human P450 have been used as enzyme source in order to better understand the requirement for the optimal rate of ω and (ω–1)-hydroxylations of fatty acids by cytochromes P450 2E1 and 4A.
F. Adas   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy