Search results for "latte"
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Blattella germanica displays a large arsenal of antimicrobial peptide genes
2020
Defence systems against microbial pathogens are present in most living beings. The German cockroach Blattella germanica requires these systems to adapt to unhealthy environments with abundance of pathogenic microbes, in addition to potentially control its symbiotic systems. To handle this situation, four antimicrobial gene families (defensins, termicins, drosomycins and attacins) were expanded in its genome. Remarkably, a new gene family (blattellicins) emerged recently after duplication and fast evolution of an attacin gene, which is now encoding larger proteins with the presence of a long stretch of glutamines and glutamic acids. Phylogenetic reconstruction, within Blattellinae, suggests …
Boric acid toxicity to the German cockroach, Blattella germanica: Alterations in midgut structure, and acetylcholinesterase and glutathione S-transfe…
2006
0048-3575 doi: DOI: 10.1016/j.pestbp.2005.05.002; Oral toxicity of boric acid, an inorganic insecticide, was evaluated on German cockroach, Blattella germanica L. (Dictyoptera, Blattellidae). Newly emerged adults were exposed to various concentrations of boric acid incorporated into the diet. Results showed that treated insects exhibited toxic symptoms with a dose-dependent mortality. Histological study of midgut revealed alterations in the epithelial cells and a signiWcant increase in the epithelium thickness. In a second series of experiments, the compound was investigated on the activities of acetylcholinesterase (AChE) and glutathione S-transferases (GSTs). Data showed that the compound…
Could male tergal secretions be considered as a nuptial gift in the Madeira cockroach?
2008
International audience; Many male insects provide somatic nuptial gifts that may strongly influence reproductive fitness, ensuring effective copulation or mediating paternal resource benefits in offspring. Although the courtship feeding behaviour on tergal gland secretions has been described in numerous cockroaches, studies on the function of these so-called nuptial gifts are lacking in this group. In this study, we examined, in the Madeira cockroach, Leucophaea maderae, the functional significance of tergal secretions by manipulating their availability on the back of males. We tested whether male tergal secretions function as a form of mating effort, and/or as a form of paternal investment…
Rifampicin treatment of Blattella germanica evidences a fecal transmission route of their gut microbiota
2018
Eukaryotes have established symbiotic relationship with microorganisms, which enables them to accomplish functions that they cannot perform alone. In the German cockroach, Blattella germanica, the obligate endosymbiont Blattabacterium coexists with a rich gut microbiota. The transmission of Blattabacterium is vertical, but little is known about how the gut microbiota colonizes newborn individuals. In this study, we treated B. germanica populations with rifampicin, a broad-spectrum antibiotic, during two generations and analyzed gut bacterial composition and the Blattabacterium load in control and rifampicin-treated populations. Rifampicin exerted a drastic effect on gut microbiota compositi…
Component-Resolved Diagnosis of American Cockroach (Periplaneta americana) Allergy in Patients From Different Geographical Areas
2021
Background:Manifestation of respiratory allergy to American cockroach (Periplaneta americana) is prominent in the subtropical and tropical areas. However, co-existing perennial indoor inhalant allergies frequently compromise clinical diagnosis of cockroach allergy, and the analysis of sensitization pattern is limited by the lack ofPeriplanetaallergens widely available for component-resolved diagnostics (CRD).Objective:To evaluate a collection of previously described recombinantPeriplanetaallergens for CRD in cockroach allergy.Methods:A panel of nine recombinantPeriplaneta allergens (Per a 1–5, 7–10) was generated, purified, and subjected to physicochemical characterization by applying circu…
SIA “Lattelecom” televīzijas kanāla “360TV” zīmola komunikācija un auditorijas attieksme
2016
Bakalaura darba mērķis ir noskaidrot un izvērtēt SIA Lattelecom televīzijas “360TV” zīmola komunikācijas procesus kā arī auditorijas informētību un attieksmi pret šo komunikāciju. Teorētiskais pamats ir teorija par zīmolu, zīmola identitāti, komunikāciju kā arī patērētāju uzvedību un attieksmi. Izvēlētās pētnieciskās metodes ir daļēji strukturētas intervijas, aptauja un fokusa grupas diskusija . Darbs sastāv no divām daļām – teorētiskās un pētnieciskās daļas.
The working partner in family enterprise : European and national issues
2021
The essay focuses on the discipline of the work done by one partner in the company of the other in cross-border couples and on the problems involved in this case. More specifically the focus is on the hermeneutical problems that arise both at the level of European legislation and at the level of Italian national discipline which is applicable according to European conflict criteria, showing the ambiguities and wide areas of shadow left uncovered by the latter.
Toxicity of boric acid to Blattella germanica (Dictyoptera: Blattellidae) and analysis of residues in several organs
2001
1373-7503 (Print) Journal Article; Pestiferous cockroach species are associated closely with humans and are important from medical and public health points of view. Conventional insecticides have been used widely to control cockroaches which have developed resistance to these compounds. Thus, interest has again centered on lesser-used compounds such as boric acid. Boric acid has been used as an insecticide for many years, especially against cockroach. Its mode of action on insects has not been satisfactorily established. In Algeria, Blattella germanica (Dictyoptera: Blattellidae) is a serious pest in the urban environment and their infestation were controlled for many years by organophospha…
Telekomunikāciju operatora "Lattelecom" lietotnes "mansTV" programmatūras izstrāde Android operētājsistēmai
2016
Kvalifikācijas darbā ir aprakstīta mobilās operētājsistēmas Android lietotnes “mansTV” izstrāde. Programmatūras galvenās funkcijas ir sniegt piekļuvi televīzijai, televīzijas arhīvam un video nomas katalogam, izmantojot viedtālruni vai planšetdatoru ar Android operētājsistēmu Latvijas teritorijā. Programmatūra izstrādāta, izmantojot Java programmēšanas valodu un Android platformu. Projekts īstenots, izmantojot spējās izstrādes metodoloģiju.
Toward sustainable environmental quality : Priority research questions for Europe
2018
P.J. Van den Brink et al.