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Gastric cancer and role of H.pylori: H.pylori has two importantvirulence factors. VacA b.CagA   These both are carcinogenic in nature and these are protein in nature. The proteinVacA is present In All H.pyloriStrains. It induces pore formation and causes apoptosis by interfering with mitochondrial Functions.It also binds to CD4+ T ...

Metagenomics:In principle, metagenomic techniques are based on the concept that the entire genetic composition of microbial communities could be sequenced and analysed in the same way as sequencing a whole genome of a pure bacterial culture(Brawner, K. M., et al 2014). RNA based approaches: Metatranscriptomics:Large-scale sequencing technologies allow us to ...

Following are methods which are used to Study gastric microbiota. Culturing based methods: Culture based methods are used to study the composition of gastric microbiota. This method focusses on easy to culture gastric microbes. This approach is used for the analysis of only 10-15 % gastric microbiota. The culture based ...

Numerous studies have shown significant variability of the gastric microbial communities with respect to H. pylori status. One such study was carried out by Osaki et al., who examined the gastric microbiota of H. pylori-positive and H. pylori-negative Mongolian gerbils. The study showed a larger number of Bifid bacterium spp. in H. pylori-positive gerbils, compared to the H. pylori-negative, ...

H.pylori was considered as main Organism living in hostile and sterile environment of stomach.H.pylorisurvives this environment by having special adaptations. It burrows deep where PH is neutral, in addition to it also secretes ureasewhich helps it to survive in this environment.It is thought that this organism may cause immune response ...

Introduction: The word microbiota represents an ensemble of microorganisms that resides in a previously established environment. Human beings have clusters of bacteria in different parts of the body such as in the surface or deep layers of skin (skin microbiota), the mouth (oral microbiota), the vagina (vaginal micro biota), and ...

Mostly as a significance of the belief that, ‘the stomach is a sterile organ’due to acid production, unfriendly to bacteria Study on stomach microbiota left inactive for many years,. In addition, the reflux of bile acids in the stomach, the thickness of the mucus layer and the effectiveness of gastric peristalsis ...

  The microbiomerefers to the collection of genomes from all the microorganism.The microbiome definition in biology refers to the microorganisms and their genes. The microbiome is the genetic material of all the microbes(bacteria, fungi, protozoa and viruses) that live on and inside the human body. Microorganisms (and their genes) living ...

New Year is one of the biggest events we all have in a year and for it, Happy New Year 2021 images are very essential because for celebration it is necessary to share Happy New year 2021 wishes, or messages. However, for your convenience, we are sharing with you a ...

Here we share with you some samples that consist on Happy New Year 2021 Drawing with amazing pictures and ideas that you can pick and draw it. A Happy New Year 2021 festival is any common holiday or observance that marks or celebrates the beginning of every New Year. According ...