Results 21 to 30 of about 19,494 (217)

Structure of arthropod hemocyanin [PDF]

open access: yes, 1986
Hemocyanins are large multi-subunit copper proteins that transport oxygen in many arthropods and molluscs. The amino acid sequence of subunit a of Panulirus interruptus hemocyanin (657 residues) has been completed and fitted to the electron-density map ...
Henk J. Bak   +23 more
core   +1 more source

Rondonin: antimicrobial properties and mechanism of action

open access: yesFEBS Open Bio, 2021
Infectious diseases are among the major causes of death in the human population. A wide variety of organisms produce antimicrobial peptides (AMPs) as part of their first line of defense.
Katie C. T. Riciluca   +5 more
doaj   +1 more source

The Oxidation of Hemocyanin [PDF]

open access: yesEuropean Journal of Biochemistry, 1995
The reaction that gives met‐hemocyanin from Octopus vulgaris oxy‐hemocyanin has been reinvesti‐gated under several experimental conditions. Various anions including azide, fluoride and acetate have been found to promote this reaction. Kinetic data indicate that the reaction mechanism is different from that currently accepted involving a peroxide ...
BELTRAMINI, MARIANO   +5 more
openaire   +3 more sources

Protein-Level Evidence of Novel β-Type Hemocyanin and Heterogeneous Subunit Usage in the Pacific Whiteleg Shrimp, Litopenaeus vannamei

open access: yesFrontiers in Marine Science, 2019
The functional diversity of crustacean hemocyanins is broad, encompassing O2 delivery, innate immune response, metabolite storage, and osmolyte balance, all in a heterogeneous protein structure.
Jason Wang   +2 more
doaj   +1 more source

Biophysical characterization of the structural stability of Helix lucorum hemocyanin

open access: yesBiotechnology & Biotechnological Equipment, 2021
The structural stability of the hеmocyanin purified from the hеmolymph of gаrden snаils Helix lucorum (HlH) was investigated by means of far-UV circular dichroism (CD), differential scanning calorimetry (DSC) and transmission electron microscopy (TEM ...
Krassimira Idakieva   +5 more
doaj   +1 more source

Quantification and discovery of PCR inhibitors found in food matrices commonly associated with foodborne viruses

open access: yesFood Science and Human Wellness, 2019
Human norovirus is the leading cause of foodborne illness globally. Detection and quantification of norovirus commonly involves the use of reverse transcriptase quantitative polymerase chain reaction (RT-qPCR); however, the presence of inhibitory ...
Cassandra Suther, Matthew D. Moore
doaj   +1 more source

Evaluation of Indoor and Outdoor Aquaculture Systems as Alternatives to Harvesting Hemolymph From Random Wild Capture of Horseshoe Crabs

open access: yesFrontiers in Marine Science, 2020
This study evaluated two approaches to the aquaculture of Limulus polyphemus with the ultimate goal of harvesting Limulus amebocyte lysate (LAL) at an industrial scale.
Rachel Tinker-Kulberg   +14 more
doaj   +1 more source

Hemocyanin-derived phenoloxidase activity is dependent on dodecameric structure in shrimp Litopenaeus vannamei [PDF]

open access: yesArchives of Biological Sciences, 2015
Hemocyanin (Hc) is a multifunctional protein in both mollusks and arthropods. Phenoloxidase (PO) activities are the most important physiological functions for Hcs after conversion.
Wang Ke-Zhou   +4 more
doaj   +1 more source

Molluscan mega-hemocyanin: an ancient oxygen carrier tuned by a ~550 kDa polypeptide

open access: yesFrontiers in Zoology, 2010
Background The allosteric respiratory protein hemocyanin occurs in gastropods as tubular di-, tri- and multimers of a 35 × 18 nm, ring-like decamer with a collar complex at one opening. The decamer comprises five subunit dimers.
Harasewych Myroslaw G   +7 more
doaj   +1 more source

Hemocyanin-derived phenoloxidase reaction products display anti-infective properties [PDF]

open access: yes, 2018
Hemocyanin is a multi-functional protein located in the hemolymph (blood) of certain arthropods and molluscs. In addition to its well-defined role in oxygen transport, hemocyanin can be converted into a phenoloxidase-like enzyme.
James Talbot   +2 more
core   +1 more source

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