نتایج جستجو برای: microbe

تعداد نتایج: 5370  

2012
Anouk Zancarini Christophe Mougel Anne-Sophie Voisin Marion Prudent Christophe Salon Nathalie Munier-Jolain

Plant and soil types are usually considered as the two main drivers of the rhizosphere microbial communities. The aim of this work was to study the effect of both N availability and plant genotype on the plant associated rhizosphere microbial communities, in relation to the nutritional strategies of the plant-microbe interactions, for six contrasted Medicago truncatula genotypes. The plants wer...

2015
Kanae Matsushita Masahide Hamaguchi Motomu Hashimoto Masahiro Yamazaki Toru Yamazaki Keita Asai Masashi Yamori Kazuhisa Bessho Hitoshi Toda Goji Hasegawa Naoto Nakamura Michiaki Fukui

Microbiota has been thought to be one of important environmental factors for obesity or Type 2 diabetes mellitus. Among oral microbe, Porphyromonas gingivalis, Treponema denticola and Tannellera forsythia are known as risk factors, so called red complex, for periodontitis. Red complex could also be a risk factor for obesity. However, recent study indicated that obesity was not improved by perio...

2014
Jeroen van Bergenhenegouwen Aletta D. Kraneveld Lieke Rutten Nienke Kettelarij Johan Garssen Arjan P. Vos

Oral delivery of Gram positive bacteria, often derived from the genera Lactobacillus or Bifidobacterium, can modulate immune function. Although the exact mechanisms remain unclear, immunomodulatory effects may be elicited through the direct interaction of these bacteria with the intestinal epithelium or resident dendritic cell (DC) populations. We analyzed the immune activation properties of La...

S-layer proteins of Deinococcus radiodurans are the best self-assemble systems among other proteins that have an essential role in the fabrication of nanowires. Therefore, the purification of these proteins is necessary. The purpose of this research was to optimize the purification of s-layer protein from D. radiodurans with the response surface method. The three factors of SDS concentration, i...

Journal: :Journal of bacteriology 2011
Jong-In Han Hong-Kyu Choi Seung-Won Lee Paul M Orwin Jina Kim Sarah L Laroe Tae-Gyu Kim Jennifer O'Neil Jared R Leadbetter Sang Yup Lee Cheol-Goo Hur Jim C Spain Galina Ovchinnikova Lynne Goodwin Cliff Han

Variovorax paradoxus is a microorganism of special interest due to its diverse metabolic capabilities, including the biodegradation of both biogenic compounds and anthropogenic contaminants. V. paradoxus also engages in mutually beneficial interactions with both bacteria and plants. The complete genome sequence of V. paradoxus S110 is composed of 6,754,997 bp with 6,279 predicted protein-coding...

2015
Davide Bulgarelli Ruben Garrido-Oter Philipp C. Münch Aaron Weiman Johannes Dröge Yao Pan Alice C. McHardy Paul Schulze-Lefert

The microbial communities inhabiting the root interior of healthy plants, as well as the rhizosphere, which consists of soil particles firmly attached to roots, engage in symbiotic associations with their host. To investigate the structural and functional diversification among these communities, we employed a combination of 16S rRNA gene profiling and shotgun metagenome analysis of the microbio...

2016
Dohyup Kim Margaret W. Thairu Allison K. Hansen

It has become increasingly clear that microbes form close associations with the vast majority of animal species, especially insects. In fact, an array of diverse microbes is known to form shared metabolic pathways with their insect hosts. A growing area of research in insect-microbe interactions, notably for hemipteran insects and their mutualistic symbionts, is to elucidate the regulation of t...

2012
Arturo Casadevall

A pathogen is usually defined as a microorganism that causes, or can cause, disease. We have defined a pathogen as a microbe that can cause damage in a host. However, this definition immediately raises the question of what it is about the microorganism that enables it to cause disease or damage; and this takes us to an ongoing debate that dates back to the late 19th century when the germ theory...

Journal: :Annual review of phytopathology 2006
Maria T Brandl

The continuous rise in the number of outbreaks of foodborne illness linked to fresh fruit and vegetables challenges the notion that enteric pathogens are defined mostly by their ability to colonize the intestinal habitat. This review describes the epidemiology of produce-associated outbreaks of foodborne disease and presents recently acquired knowledge about the behavior of enteric pathogens on...

Journal: :Journal of microbiology & biology education 2010
Adrienne A Dolberry

By blending storytelling with topics in biology, a fun activity can be created for students to strengthen their scientific knowledge (1-3). The “Sci-Fi Microbe” writing assignment lets students create an altered version of a known microorganism, and write a story describing an unusual observation that leads the characters discovery of their new microorganism. The Sci-Fi Microbe exercise is appr...

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