E. coli recombinant proteins aldehyde tagging conjugation
Microscale Perfusion-based Cultivation for Pichia pastoris Clone
DavidApril 27, 20210 Comments
Microscale Perfusion-based Cultivation for Pichia pastoris Clone Screening Allows Accelerated and Optimized RecombinantProtein Manufacturing Processes
Pichia pastoris has emerged prior to now years as a promising host for recombinant protein and biopharmaceutical manufacturing. Contained in the institution of maximum cell density fed-batch biomanufacturing, screening half and early bioprocess progress (based mostly completely on microplates and shake flasks) nonetheless characterize a bottleneck attributable to high-cost and time-consuming procedures together with low experiment complexity.
Inside the current work, we implement a screening protocol developed for P. pastoris clone various in a multiplexed microfluidic machine with 15 μL cultivation chambers able to function in perfusion mode and monitor dissolved oxygen content material materials supplies all through the customized in a non-invasive means. The setup allowed us to determine carbon-limited circumstances and take into consideration stress responses to fully fully completely different enter variables. Outcomes from micro-scale perfusion cultures had been then in distinction with 1L fed-batch fermentation.
The best producer by way of titer and productiveness was shortly acknowledged after 12 hours from inoculation and the outcomes confirmed by lab-scale fermentation.
Furthermore, the physiological analyses of the strains beneath fully fully completely different circumstances steered how additional subtle experimental circumstances had been achievable regardless of the comparatively straightforward, straight-forward, and cost-effective experimental setup. Implementation and standardization of those micro-scale protocols may within the discount of the demand for lab-scale bioreactor cultivations thus accelerating the event of protein manufacturing processes. This textual content material is protected by copyright. All rights reserved.
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Homeobox Protein Engrailed-1 (EN1) Antibody (Biotin)
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human EN1 (Engrailed 1) (N-term). This antibody is tested and proven to work in the following applications:
Description: A Monoclonal antibody against Human EN1 / Engrailed (clone 1F5). The antibodies are raised in Mouse and are from clone 1F5. This antibody is applicable in WB and IHC-P, E
Description: A Monoclonal antibody against Human EN1 / Engrailed (clone 3H2). The antibodies are raised in Mouse and are from clone 3H2. This antibody is applicable in WB and IHC-P, E
Description: Quantitativesandwich ELISA kit for measuring Human Homeobox protein engrailed-2(EN2) in samples from serum, plasma, tissue homogenates, cell lysates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: A sandwich ELISA for quantitative measurement of Goat Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Rabbit Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Rabbit Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Rabbit Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Mouse Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Mouse Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Mouse Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Porcine Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Porcine Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Porcine Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Canine Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Canine Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Canine Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Monkey Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Monkey Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Monkey Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Rat Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Rat Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Rat Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Human Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Human Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Human Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: Quantitativesandwich ELISA kit for measuring Human Homeobox protein engrailed-2 (EN2) in samples from serum, plasma, tissue homogenates, cell lysates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Human Engrailed Homeobox Protein 2 (EN2) ELISA Kit
Description: A sandwich quantitative ELISA assay kit for detection of Human Engrailed Homeobox Protein 2 (EN2) in samples from tissue homogenates or other biological fluids.
Human Engrailed Homeobox Protein 2 (EN2) ELISA Kit
Description: A sandwich quantitative ELISA assay kit for detection of Human Engrailed Homeobox Protein 2 (EN2) in samples from tissue homogenates or other biological fluids.
Description: A sandwich ELISA for quantitative measurement of Guinea pig Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Guinea pig Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Guinea pig Engrailed Homeobox Protein 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: Enzyme-linked immunosorbent assay kit for quantification of Human Homeobox protein engrailed-2 in samples from serum, plasma, tissue homogenates and other biological fluids.
Human Homeobox protein engrailed- 2, EN2 ELISA KIT
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Engrailed Homeobox Protein 2 (EN2) in tissue homogenates and other biological fluids.
Human Engrailed Homeobox Protein 2 (EN2) ELISA Kit
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Engrailed Homeobox Protein 2 (EN2) in tissue homogenates and other biological fluids.
Human Engrailed Homeobox Protein 2 (EN2) ELISA Kit
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Engrailed Homeobox Protein 2 (EN2) in tissue homogenates and other biological fluids.
Human Engrailed Homeobox Protein 2 (EN2) ELISA Kit
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Engrailed Homeobox Protein 2 (EN2) in tissue homogenates and other biological fluids.
Human Engrailed Homeobox Protein 2 (EN2) ELISA Kit
Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Human Engrailed Homeobox Protein 2 (EN2) in samples from tissue homogenates and other biological fluids with no significant corss-reactivity with analogues from other species.
Human Engrailed Homeobox Protein 2 (EN2) ELISA Kit
Description: A sandwich ELISA kit for detection of Engrailed Homeobox Protein 2 from Human in samples from blood, serum, plasma, cell culture fluid and other biological fluids.
Description: CD40 Ligand (CD40LG) is a transmembrane protein that is a member of the TNF superfamily. In addition to existing in a membrane bound form, CD40LG can also be released as a soluble molecule (sCD40LG), which has been shown to have biological functions.CD40 interacts with CD40 ligand (aka CD40LG, TNFSF5 or CD154), which is predominantly expressed on activated CD4+ T-cells. Chicken CD40 Ligand Recombinant Protein is purified CD40LG produced in yeast.
Description: IL-10 is an anti-inflammatory cytokine and a member of the IL-10 family of cytokines, which have indispensable functions in many infectious and inflammatory diseases. Chicken IL-10 Recombinant Protein is purified interleukin-10 produced in yeast.
Description: Interleukin-18 (IL-18) is a proinflammatory cytokine that belongs to the IL-1 superfamily. IL-18 works together with IL-12 to induce cell-mediated immunity following infection, and IL-18 is also able to induce severe inflammatory reactions, which suggests its role in certain inflammatory disorders. Chicken IL-18 Recombinant Protein is purified interleukin-18 produced in yeast.
Description: IL-4 has many biological roles, including the stimulation of activated B-cell and T-cell proliferation, and the differentiation of CD4+ T-cells into Th2 cells. It is a key regulator in humoral and adaptive immunity. Chicken IL-4 Recombinant Protein is purified interleukin-4 produced in yeast.
Description: Interleukin 16 (IL-16) is a pleiotropic cytokine that has been characterized as a chemoattractant for certain immune cells expressing the cell surface molecule CD4, and it has effects on mixed lymphocyte reaction and inhibition of HIV viral replication. Chicken IL-16 Recombinant Protein is purified interleukin-16 produced in yeast.
Description: IL-17F induces the production of many other cytokines, chemokines, and prostaglandins from many cell types (fibroblasts, endothelial cells, epithelial cells, keratinocytes and macrophages). IL-17F has been shown to have a pro-inflammatory role in asthma. Chicken IL-17F Recombinant Protein is purified interleukin-17F produced in yeast.
Description: The IL-12 p40 subunit, or interleukin-12 beta subunit, is the 40 kD cytokine receptor-like subunit of the heterodimeric cytokines IL-12 and IL-23. IL-12 is involved in the differentiation of naive T cells into Th1 cells and the growth and function of T cells. Both IL-23 and IL-12 can activate the transcription activator STAT4 and stimulate the production of interferon-gamma (IFNG). Chicken IL-12 p40 Recombinant Protein is purified interleukin-12 p40 produced in yeast.
Description: A polyclonal antibody against EN1. Recognizes EN1 from Chicken. This antibody is HRP conjugated. Tested in the following application: ELISA
Description: A polyclonal antibody against EN1. Recognizes EN1 from Chicken. This antibody is FITC conjugated. Tested in the following application: ELISA
Description: A polyclonal antibody against EN1. Recognizes EN1 from Chicken. This antibody is Biotin conjugated. Tested in the following application: ELISA
Description: POU5F1 Human Recombinant produced in E.Coli is a single, non-glycosylated, Polypeptide chain containing 360 amino acids and having a molecular mass of 38.6kDa.;The POU5F1 is fused to a C-terminal poly-arginine tag and purified by proprietary chromatographic techniques.
A protein fragment of Rv3194c positioned on mycobacterial cell flooring efficiently prevents adhesion of recombinant Mycobacterium smegmatis, and ensures a mannequin new anti-adhesive drug
Adhesins are virulence parts expressed on the surfaces of pathogenic micro organism that mediate pathogen-host interactions, a significant step all through the an an an infection course of. Correct proper right here, we present that the Mycobacterium tuberculosis protease Rv3194c capabilities not solely as an enzyme however as an adhesin. The heterologous Rv3194c protein was purified from Escherichia coli and was confirmed to bind to hyaluronic acid (HA).
The HA-binding web site was acknowledged as a 20 amino acid peptide between residues 91 and 110 (P91-110). Rv3194c sure to A549 alveolar basal epithelial cells and the interplay was abolished by the addition of hyaluronidase or P91-110. Experimental an an an infection in vitro revealed that Rv3194c participates all through the attachment of recombinant Mycobacterium smegmatis (Rv3194c/MS) to A549 cells, and P91-110 remedy of A549 cells largely inhibited the Rv3194c/MS-A549 cell interplay.
To produce in vivo proof, we constructed a reporter stress of M. smegmatis that expressed a by-product of the firefly luciferase that’s shifted to pink (FFlucRT) together with Rv3194c (Rv3194c + FFlucRT/MS) to contaminate mice and monitor the occasion of the illness. In mice, Rv3194c dramatically enhanced M. smegmatis persistence and induced lesions all through the lungs. Along with, remedy of intratracheal Rv3194c + FFlucRT/MS- contaminated mice with P91-110 considerably suppressed the expansion of Rv3194c + FFlucRT/MS in vivo and diminished pathological harm launched on by an an an infection of the lung with Rv3194c + FFlucRT/MS.
Taken collectively, these outcomes reveal that Rv3194c capabilities as an HA-binding adhesin and that P91-110 may have the potential for treating and stopping mycobacterial an an an infection.
Lysine acylation utilizing conjugating enzymes for site-specific modification and ubiquitination of recombinantproteins
Enzymes are extraordinarily environment friendly units for protein labelling attributable to their specificity and delicate response circumstances. Many protocols, nonetheless, are restricted to modifications at protein termini, rely on non-peptidic metabolites or require giant recognition domains. Correct proper right here we report a chemoenzymatic methodology, which we title lysine acylation utilizing conjugating enzymes (LACE), to site-specifically modify folded proteins at inside lysine residues. LACE relies upon upon a minimal genetically encoded tag (4 residues) acknowledged by the E2 small ubiquitin-like modifier-conjugating enzyme Ubc9, and peptide or protein thioesters.
Collectively, this technique obviates the necessity for E1 and E3 enzymes, enabling isopeptide formation with merely Ubc9 in a programmable methodology. We reveal the utility of LACE by the site-specific attachment of biochemical probes, one-pot dual-labelling collectively with sortase, and the conjugation of wild-type ubiquitin and ISG15 to recombinant proteins.
Responses of leaf gas alternate attributes, photosynthetic pigments and antioxidant enzymes in NaCl-stressed cotton (Gossypiumhirsutum L.) seedlings to exogenous glycine betaine and salicylic acid
Background: Utility of exogenous glycine betaine (GB) and exogenous salicylic acid (SA) mitigates the hostile outcomes of salinity. Foliar spraying with exogenous GB or SA alleviates salt stress in vegetation by rising leaf gas alternate and stimulating antioxidant enzyme train. The results of foliar utility of exogenous GB and SA on the physiology and biochemistry of cotton seedlings subjected to salt stress keep unclear.
Outcomes: Outcomes confirmed that salt stress of 150 mMNaCl significantly diminished leaf gas alternate and chlorophyll fluorescence and decreased photosynthetic pigment parts and leaf relative water content material materials.
Foliar spray concentrations of 5.Zero mM exogenous GB and 1.Zero mM exogenous SA promoted gas alternate and fluorescence in cotton seedlings, elevated parts of chlorophyll pigments, and stimulated the antioxidant enzyme train. The foliar spray moreover elevated leaf relative water content material materials and endogenous GB and SA content material materials in contrast with the salt-stressed solely administration.
Whatever the salt-induced improve in antioxidant enzyme content material materials, exogenous GB and SA in experimental concentrations significantly elevated the train of glutathione reductase, ascorbate peroxidase, superoxide dismutase, catalase and peroxidase, and decreased malondialdehyde content material materials beneath salt stress.
All through all experimental foliar spray GB and SA concentrations, the photochemical effectivity of photosystem II (FV/FM) reached a peak at a spotlight of 5.Zero mM GB. The net photosynthetic worth (Pn) and FV/FM had been positively correlated with chlorophyll a and chlorophyll b content material materials in response to foliar spraying of exogenous GB and SA beneath salt stress.
Conclusions: We concluded, from our outcomes, that concentrations of 5.Zero mM GB or 1.Zero mM SA are optimum selections for mitigating NaCl-induced hurt in cotton seedlings on account of they promote leaf photosynthesis, improve parts of photosynthetic pigments, and stimulate antioxidant enzyme train. Amongst, 5.Zero mM GB and 1.Zero mM SA, the easiest effectivity in enhancing endogenous GB and SA concentrations was obtained with the foliar utility of 1.Zero mM SA beneath salt stress.
