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PubMed Journals Articles About "Noblegen Achieves Self GRAS Affirmation Protein Rich Euglena" RSS

02:05 EST 20th February 2020 | BioPortfolio

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Showing "Noblegen Achieves Self GRAS Affirmation Protein Rich Euglena" PubMed Articles 1–25 of 17,000+

Metabolomic response of Euglena gracilis and its bleached mutant strain to light.

Euglena, a new superfood on the market, is a nutrient-rich, green single-celled microorganism that features the characteristics of both plant and animal. When cultivated under different conditions, Euglena produces different bioactive nutrients. Interestingly, Euglena is the only known microorganism whose chloroplasts are easy to lose under stress and become permanently bleached. We applied gas chromatography-mass spectrometry (GC-MS) to determine the metabolomes of wild-type (WT) Euglena gracilis and its b...


The dialogue between protozoa and bacteria in a microfluidic device.

In nature, protozoa play a major role in controlling bacterial populations. This paper proposes a microfluidic device for the study of protozoa behaviors change due to their chemotactic response in the presence of bacterial cells. A three-channel microfluidic device was designed using a nitrocellulose membrane into which channels were cut using a laser cutter. The membrane was sandwiched between two glass slides; a Euglena suspension was then allowed to flow through the central channel. The two side channel...

Aggregation-prone peptides modulate activity of bovine interferon gamma released from naturally occurring protein nanoparticles.

Efficient protocols for the production of recombinant proteins are indispensable for the development of the biopharmaceutical sector. Accumulation of recombinant proteins in naturally-occurring protein aggregates is detrimental to biopharmaceutical development. In recent years, the view of protein aggregates has changed with the recognition that they are a valuable source of functional recombinant proteins. In this study, bovine interferon-gamma (rBoIFN-γ) was engineered to enhance the formation of protein...


Metabolic quirks and the colourful history of the Euglena gracilis secondary plastid.

Euglena spp. are phototrophic flagellates with considerable ecological presence and impact. E. gracilis harbours secondary green plastids, but an incompletely characterized proteome precludes accurate understanding of both plastid function and evolutionary history. Using subcellular fractionation, an improved sequence database and mass spectrometry we determined the composition, evolutionary relationships, and hence predicted functions of the E. gracilis plastid proteome. We confidently identified 1,345 dis...

Chromosome Analysis in the Assessment for Gender Affirmation Process: A Retrospective Study.

Gender dysphoria refers to the experienced discomfort related to the incongruence between gender identity and the sex assigned at birth. Current treatment approach for this clinical condition is gender affirmation procedures. International guidelines about gender affirmation do not recommend routine genetic evaluation. In Turkey, provision of health insurance for medical expenses incurred by these procedures requires genetic consultation which frequently involves chromosome analysis (karyotyping). However, ...

Ethnic-racial identity affirmation: Validation in Aboriginal Australian children.

Positive attitudes towards ethnic-racial identity (ERI) is a key factor in Aboriginal Australian children's development. The present study aims to offer evidence of construct and criterion validity, reliability, and measurement invariance of a brief measure of Aboriginal children's ERI affirmation.

Gender Non-affirmation from Cisgender Male Partners: Development and Validation of a Brief Stigma Scale for HIV Research with Transgender Men Who Have Sex with Men (Trans MSM).

Some transgender men who have sex with men (trans MSM) are vulnerable to HIV infection and face stigma from sexual partners. We evaluated a brief 4-item measure of gender non-affirmation from cisgender male partners. A non-probability sample of American trans MSM (n = 843) reporting past 6-month sexual contact with a cisgender male completed a cross-sectional survey. Psychometric analyses assessed the scale and modeled HIV risk associations. Overall, 78% experienced past 6-month gender non-affirmation f...

Suicide risk among gender and sexual minority college students: The roles of victimization, discrimination, connectedness, and identity affirmation.

Little is known about how victimization and discrimination relate to suicide risk among sexual and gender minority (SGM) college students, or what is protective for these students. The current study will: 1.) determine the extent to which interpersonal victimization, discrimination, identity affirmation, and social connectedness are associated with suicide risk characteristics, and if race and/or ethnicity moderates this association; 2.) examine whether identity affirmation and social connectedness are prot...

Recovery of a protein-rich biomass from shrimp (Pandalus borealis) boiling water: A colloidal study.

Flocculation and sedimentation of a protein-rich biomass from shrimp boiling water (SBW) using food grade polysaccharides (carrageenan, alginate and carboxymethyl cellulose (CMC)) as flocculants was investigated at different pH-values. The effect of flocculant concentration on particle size and viscosity of SBW was also evaluated. Flocculation with carrageenan (0.45 g/L) at pH = 4 exhibited the most efficient protein sedimentation; protein concentration of the upper phase was here reduced by 77%, allo...

Multiple nuclear localization sequences in SRSF4 protein.

SRSF4 is one of the members of Serine-Arginine (SR) rich protein family involved in both constitutive and alternative splicing. SRSF4 is localized in the nucleus with speckled pattern, but its nuclear localization signal was not determined. Here we have identified nuclear localization signals (NLSs) of SRSF4 by using a pyruvate kinase fusion system. As expected, Arginine-Serine (RS) rich domain of SRSF4 confers nuclear localization activity when it is fused to PK protein. We then further delineated the mini...

Sensory Properties of Aqueous Dispersions of Protein-rich Extracts from Chlorella Protothecoides at Neutral and Acidic pH.

Water-soluble proteins extracted from the heterotrophically cultivated microalga Chlorella protothecoides have been shown to have a good solubility over a broad pH range, which makes them a promising candidate for beverage formulations. This study investigated the sensory properties of dispersions of a protein-rich extract from Chlorella protothecoides at neutral and pH 3.

Comparative proteomic analysis of mitochondria isolated from Euglena gracilis under aerobic and hypoxic conditions.

The unicellular microalga Euglena gracilis produces wax esters for ATP acquisition under low-oxygen conditions. The regulatory mechanism of wax ester production is not yet understood. Indeed, our previous transcriptomic analysis showed that transcript levels of genes involved in the wax ester synthesis hardly changed under hypoxic conditions, suggesting contribution of post-transcriptional regulation. In this study, we conducted a proteome analysis of E. gracilis mitochondria, as this organelle employs the ...

Expression analysis of genes encoding malectin-like domain (MLD)- and leucine-rich repeat (LRR)- containing proteins in .

Malectin is a maltose-binding endoplasmic reticulum protein conserved in animals. In , we identified four genes that encode malectin-like domain (MLD)- and leucine-rich repeat (LRR)-containing proteins (AtMLLRs): two were receptor-like proteins (AtMLLR1 and 2) and the other two were extracellular proteins (AtMLLR3 and 4). The promoter:G3GFP+promoter:GUS assay indicated the organ- and cell-specific expression of the and genes. Cm: chloramphenicol-resistance marker; G3GFP: G3 green fluorescent protein; GUS:...

Carotenoid in the eyespot apparatus is required for triggering phototaxis in Euglena gracilis.

Carotenoids are the most universal and most widespread pigments in nature. They have played pivotal roles in the evolution of photosensing mechanisms in microbes and of vision in animals. Several groups of phytoflagellates developed a photoreceptive organelle called the eyespot apparatus (EA) consisting of two separable components: the eyespot, a cluster of carotenoid-rich globules that acts as a reflector device, and actual photoreceptors for photobehaviors. Unlike other algal eyespots, the eyespot of Eugl...

Improving neural protein-protein interaction extraction with knowledge selection.

Protein-protein interaction (PPI) extraction from published scientific literature provides additional support for precision medicine efforts. Meanwhile, knowledge bases (KBs) contain huge amounts of structured information of protein entities and their relations, which can be encoded in entity and relation embeddings to help PPI extraction. However, the prior knowledge of protein-protein pairs must be selectively used so that it is suitable for different contexts. This paper proposes a Knowledge Selection Mo...

FEMA GRAS assessment of natural flavor complexes: Mint, buchu, dill and caraway derived flavoring ingredients.

In 2015, the Expert Panel of the Flavor and Extract Manufacturers Association (FEMA) initiated a re-evaluation of the safety of over 250 natural flavor complexes (NFCs) used as flavor ingredients. NFC flavor materials include a variety of essential oils and botanical extracts. The re-evaluation of NFCs is conducted based on a constituent-based procedure outlined in 2005 and updated in 2018 to evaluate the safety of NFCs for their intended use as flavor ingredients. This procedure is applied in the re-evalua...

Turning proteins into hydrophobic floatable materials with multiple potential applications.

Protein hydrogels are water-rich structure of cross-linked protein networks. The preparation of dry gels is conceptually simple. However, reports on innovative use of dry protein hydrogels are scarce, possibly because water removal would diminish intended properties. Here, an oil-like thiol-organosilane is proposed as a protein hydrogel-promoting agent that mediates the formation of hydrophobic composite gel networks with promising properties upon drying.

A Potent and Selective Small-Molecule Degrader of STAT3 Achieves Complete Tumor Regression In Vivo.

Signal transducer and activator of transcription 3 (STAT3) is an attractive cancer therapeutic target. Here we report the discovery of SD-36, a small-molecule degrader of STAT3. SD-36 potently induces the degradation of STAT3 protein in vitro and in vivo and demonstrates high selectivity over other STAT members. Induced degradation of STAT3 results in a strong suppression of its transcription network in leukemia and lymphoma cells. SD-36 inhibits the growth of a subset of acute myeloid leukemia and anapla...

Complete mitochondrial genome of two Thitarodes species (Lepidoptera, Hepialidae), the host moths of Ophiocordyceps sinensis and phylogenetic implications.

Thitarodes (Lepidoptera, Hepialidae) is the only genus that hosts to the Ophiocordyceps sinensis, a traditional Chinese medicine considered as a powerful medicinal supplement. In this study, the complete mitochondrial genomes (mitogenomes) of two species, T. damxungensis and T. pui, have been sequenced, which are 15,928 bp and 15,362 bp in size respectively, and both contain 13 protein-coding genes (PCGs), 2 rRNAs, 22 tRNAs and an AT-rich region. Like other hepialoids, the gene arrangement of the mitoge...

Middle-down proteomics reveals dense sites of methylation and phosphorylation in arginine-rich RNA-binding proteins.

Post-translational modifications (PTMs) within arginine (Arg)-rich RNA-binding proteins, such as phosphorylation and methylation, regulate multiple steps in RNA metabolism. However, the identification of PTMs within Arg-rich domains with complete trypsin digestion is extremely challenging due to the high density of Arg residues within these proteins. Here, we report a middle-down proteomic approach coupled with electron transfer dissociation (ETD) mass spectrometry to map previously unknown sites of phospho...

New Class of Crosslinker-Free Nanofiber Biomaterials from Hydra Nematocyst Proteins.

Nematocysts, the stinging organelles of cnidarians, have remarkable mechanical properties. Hydra nematocyst capsules undergo volume changes of 50% during their explosive exocytosis and withstand osmotic pressures of beyond 100 bar. Recently, two novel protein components building up the nematocyst capsule wall in Hydra were identified. The cnidarian proline-rich protein 1 (CPP-1) characterized by a "rigid" polyproline motif and the elastic Cnidoin possessing a silk-like domain were shown to be part of the ...

LRRC33 is a novel binding and potential regulating protein of TGF-β1 function in human acute myeloid leukemia cells.

Transforming growth factor‑β1 (TGF-β1) is a versatile cytokine. It has context-dependent pro- and anti-cell proliferation functions. Activation of latent TGF-β1 requires release of the growth factor from pro-complexes and is regulated through TGF-β binding proteins. Two types of TGF-β binding partners, latent TGF-β-binding proteins (LTBPs) and leucine-rich-repeat-containing protein 32 (LRRC32), have been identified and their expression are cell specific. TGF-β1 also plays important roles in acute m...

Cultivating Chlorella sorokiniana AK-1 with swine wastewater for simultaneous wastewater treatment and algal biomass production.

Swine wastewater is rich in nitrogen and organic carbon which are essential macronutrients for microalgal growth. Three indigenous microalgal strains (Chlorella sorokiniana AK-1, Chlorella sorokiniana MS-C1, and Chlorella sorokiniana TJ5) were examined for their growth capability in untreated swine wastewater. C. sorokiniana AK-1 showed the best tolerance towards swine wastewater, and obtained the highest biomass concentration (5.45 g/L) and protein productivity (0.27 g/L/d) when grown in 50% strength swi...

Nanoparticle Conjugation Stabilizes and Multimerizes β-Hairpin Peptides to Effectively Target PD-1/PD-L1 β-Sheet-Rich Interfaces.

β-hairpin peptides present great potential as antagonists against β-sheet-rich protein surfaces, of which wide and flat geometries are typically 'undruggable' with small molecules. Herein, we introduce a peptide-dendrimer conjugate (PDC) approach that stabilizes β-hairpin structure of the peptide via intermolecular forces and excluded volume ef-fect as well as exploits multivalent binding effect. Due to the synergistic advantages, the PDCs based on a β-hairpin peptide isolated from an engineered program...

Secreted protein acidic and rich in cysteine and cancer: A homeostatic hormone?


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