Magic™ Anti-Listeria Monoclonal antibody (DCABY-4548)

Mouse Anti-Listeria Monoclonal antibody for ELISA (Det), Lateral Flow (Det)


Host Species
Antibody Isotype
Species Reactivity
Listeria antibody was raised in Mouse using Listeria flagella antigen as the immunogen


Application Notes
We recommend the following for sandwich ELISA and Lateral Flow assays (Capture - Detection):
DCABY-4550 - DCABY-4548
*Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own experiment using appropriate negative and positive controls.


Alternative Names
Listeria; Listeria monocytogenes


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We offer labeled antibodies using our catalogue antibody products and a broad range of intensely fluorescent dyes and labels including HRP, biotin, ALP, Alexa Fluor® dyes, DyLight® Fluor dyes, R-phycoerythrin (R-PE), at scales from less than 100 μg up to 1 g of IgG antibody. Learn More

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Multiplex Detection ofSalmonellaspp.,E. coliO157 andL. monocytogenesby qPCR Melt Curve Analysis in Spiked Infant Formula


Authors: Azinheiro, Sarah; Carvalho, Joana; Prado, Marta; Garrido-Maestu, Alejandro

Food poisoning continue to be a threat in the food industry showing a need to improve the detection of the pathogen responsible for the hospitalization cases and death. DNA-based techniques represent a real advantage and allow the detection of several targets at the same time, reducing cost and time of analysis. The development of new methodology using SYBR Green qPCR for the detection ofL. monocytogenes,Salmonellaspp. andE. coliO157 simultaneously was developed and a non-competitive internal amplification control (NC-IAC) was implemented to detect reaction inhibition. The formulation and supplementation of the enrichment medium was also optimized to allow the growth of all pathogens. The limit of detection (LoD) 95% obtained was E. coliO157, and 2 CFU/25 g forSalmonellaspp. andL. monocytogenesand regarding the multiplex detection a LoD 95% of 1.7 CFU/25 g was observed. The specificity, relative sensitivity and accuracy of full methodology were 100% and the use of the NC-IAC allowed the reliability of the results without interfering with the sensitivity of the methodology. The described study proved to obtain results comparable to those of probe-based qPCR, and more economically than classical high resolution melting qPCR, being both important aspects for its implementation in the food industry.

TRAF2 regulates T cell immunity by maintaining a Tpl2-ERK survival signaling axis in effector and memory CD8 T cells


Authors: Xie, Xiaoping; Zhu, Lele; Jie, Zuliang; Li, Yanchuan; Gu, Meidi; Zhou, Xiaofei; Wang, Hui; Chang, Jae-Hoon; Ko, Chun-Jung; Cheng, Xuhong; Sun, Shao-Cong

Generation and maintenance of antigen-specific effector and memory T cells are central events in immune responses against infections. We show that TNF receptor-associated factor 2 (TRAF2) maintains a survival signaling axis in effector and memory CD8 T cells required for immune responses against infections. This signaling axis involves activation of Tpl2 and its downstream kinase ERK by NF-kappa B-inducing kinase (NIK) and degradation of the proapoptotic factor Bim. NIK mediates Tpl2 activation by stimulating the phosphorylation and degradation of the Tpl2 inhibitor p105. Interestingly, while NIK is required for Tpl2-ERK signaling under normal conditions, uncontrolled NIK activation due to loss of its negative regulator, TRAF2, causes constitutive degradation of p105 and Tpl2, leading to severe defects in ERK activation and effector/memory CD8 T cell survival. Thus, TRAF2 controls a previously unappreciated signaling axis mediating effector/memory CD8 T cell survival and protective immunity.

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