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Variability in German Cockroach Extract Composition Greatly Impacts T Cell Potency in Cockroach-Allergic Donors [PDF]

open access: yesFrontiers in Immunology, 2019
German cockroach extract is used clinically to evaluate allergen-specific sensitization and for subcutaneous allergen-specific immunotherapy, though there are no guidelines for standardization in its manufacture.
Giovanni Birrueta   +18 more
doaj   +7 more sources

Structure and Antibacterial Activity of Chitosan from the American Cockroach, the German Cockroach and the Mealworm Beetle [PDF]

open access: yesJournal of Arthropod-Borne Diseases, 2023
Background: Owing to chitosan properties such as biocompatibility and antimicrobial activities, and several applications in biomedical field, some physicochemical and anti-bacterial properties, and the level of chitosan from three species of American ...
Ebrahim Cheraghi   +4 more
doaj   +2 more sources

The German Cockroach

open access: yesEDIS, 2012
This document provides an overview of the German cockroach, the most significant cockroach species in the United States. It details the life cycle from egg to adult, highlighting the differences between males and females, their reproductive habits, and ...
P.G. Koehler, J.L. Castner
doaj   +3 more sources

The gut microbiota induces melanin deposits that act as substrates for fimA-mediated aggregation of Salmonella Typhimurium and enhance infection of the German cockroach vector [PDF]

open access: yesMicrobiology Spectrum, 2023
When Salmonella Typhimurium is ingested by German cockroaches, the bacteria replicate in the gut and persist for at least 7 d, enabling transmission in the feces.
Matthew Turner   +2 more
doaj   +2 more sources

Salivary Digestion Extends the Range of Sugar-Aversions in the German Cockroach [PDF]

open access: yesInsects, 2021
Saliva has diverse functions in feeding behavior of animals. However, the impact of salivary digestion of food on insect gustatory information processing is poorly documented.
Ayako Wada-Katsumata, Coby Schal
doaj   +2 more sources

Resistance development characteristics of reared German cockroach (Blattodea: Blattellidae) to chlorpyrifos [PDF]

open access: yesScientific Reports, 2021
Understanding the process of resistance development of German cockroach, Blattella germanica (L.), in detail is necessary to potentially delay the development of insecticides resistance by rotation or discontinuation of insecticides at the right time. In
Weiyuan Hou, Juanjuan Xin, Hui Lu
doaj   +2 more sources

Level of Pyrethroid-resistance Associated with Cytochrome P450 Expression in German Cockroach Blattella germanica (Blattodea: Ectobiidae) in the Field Collected Strains [PDF]

open access: yesJournal of Arthropod-Borne Diseases, 2021
Background: Cytochrome P450-dependent monooxygenases are a very important metabolic system involve in insecti­cide resistance. This study was conducted to find the association between the expression level of cytochrome P450 (CYP450) and permethrin ...
Azimeh Ghaderi   +2 more
doaj   +2 more sources

The X chromosome of the German cockroach, Blattella germanica, is homologous to a fly X chromosome despite 400 million years divergence [PDF]

open access: yesBMC Biology, 2019
Background Sex chromosome evolution is a dynamic process that can proceed at varying rates across lineages. For example, different chromosomes can be sex-linked between closely related species, whereas other sex chromosomes have been conserved for > 100 ...
Richard P. Meisel   +2 more
doaj   +2 more sources

Disruption of the microbiota affects physiological and evolutionary aspects of insecticide resistance in the German cockroach, an important urban pest. [PDF]

open access: yesPLoS ONE, 2018
The German cockroach, Blatella germanica, is a common pest in urban environments and is among the most resilient insects in the world. The remarkable ability of the German cockroach to develop resistance when exposed to toxic insecticides is a prime ...
Jose E Pietri   +2 more
doaj   +2 more sources

Changes in Indoor Insecticide Residue Levels after Adopting an Integrated Pest Management Program to Control German Cockroach Infestations in an Apartment Building [PDF]

open access: yesInsects, 2019
Insecticide use in homes leads to human exposure to insecticide residues that persist in the environment. Integrated pest management (IPM) programs have been known to be more environmentally friendly for managing German cockroach (Blattella germanica L.)
Changlu Wang   +5 more
doaj   +2 more sources

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