keyword
https://read.qxmd.com/read/36442206/parkinson-s-disease-and-the-gut-microbiome-in-rural-california
#1
JOURNAL ARTICLE
Keren Zhang, Kimberly C Paul, Jonathan P Jacobs, Hsiang-Chin Lori Chou, Aline Duarte Folle, Irish Del Rosario, Yu Yu, Jeff M Bronstein, Adrienne M Keener, Beate Ritz
BACKGROUND: Increasing evidence connects the gut microbiome to Parkinson's disease (PD) etiology, but little is known about microbial contributions to PD progression and its clinical features. OBJECTIVE: We aim to explore the association between the gut microbiome with PD, and the microbial association with PD-specific clinical features. METHODS: In a community-based case-control study of 96 PD patients and 74 controls, microbiome data were obtained from 16 S rRNA gene sequencing of fecal samples, and analyzed for microbial diversity, taxa abundance, and predicted functional pathways that differed in PD patients and controls, and their association with PD-specific features (disease duration, motor subtypes, L-DOPA daily dose, and motor function)...
November 22, 2022: Journal of Parkinson's Disease
https://read.qxmd.com/read/36441249/red-mangrove-propagule-bacterial-communities-vary-with-geographic-but-not-genetic-distance
#2
JOURNAL ARTICLE
Brendan P Scherer, Austin Mast
Bacterial communities associated with plant propagules remain understudied, despite the opportunities that propagules represent as dispersal vectors for bacteria to new sites. These communities may be the product of a combination of environmental influence and inheritance from parent to offspring. The relative role of these mechanisms could have significant implications for our understanding of plant-microbe interactions. We studied the correlates of microbiome community similarities across an invasion front of red mangroves (Rhizophora mangle L...
November 28, 2022: Microbial Ecology
https://read.qxmd.com/read/36441207/extracellular-vesicles-of-candida-albicans-regulate-its-own-growth-through-the-l-arginine-nitric-oxide-pathway
#3
JOURNAL ARTICLE
Yu Wei, Zheng Wang, Yaqi Liu, Binyou Liao, Yawen Zong, Yangyang Shi, Min Liao, Jiannan Wang, Xuedong Zhou, Lei Cheng, Biao Ren
Candida albicans is the main conditional pathogenic fungus among the human microbiome. Extracellular vesicles (EVs) secreted by C. albicans are important for its pathogenesis. However, the effects and mechanisms of EVs on C. albicans own growth are not clear. Here, we isolated EVs from C. albicans cells grown in four culture media, including RPMI 1640, DMEM, YPD, and YNB, and measured their effects on the own growth of C. albicans in these media. All the C. albicans EVs from the four media could promote the growth of C...
November 28, 2022: Applied Microbiology and Biotechnology
https://read.qxmd.com/read/36440643/inhibition-of-heterotrophic-bacterial-biofilm-in-the-soil-ferrosphere-by-streptomyces-spp-and-bacillus-velezensis
#4
JOURNAL ARTICLE
Nataliia Tkachuk, Liubov Zelena
The soil microbiome is involved in the processes of microbial corrosion, in particular, by the formation of biofilm. It has been proposed that an environmentally friendly solution to this corrosion might be through biological control. Bacillus velezensis NUChC C2b, Streptomyces gardneri ChNPU F3 and S. canus NUChC F2 were investigated as potentially 'green' biocides to prevent attachment to glass as a model surface and the formation of heterotrophic bacterial biofilm which participates in the corrosion process...
November 28, 2022: Biofouling
https://read.qxmd.com/read/36440396/a-genetic-association-study-reveals-the-relationship-between-the-oral-microbiome-and-anxiety-and-depression-symptoms
#5
JOURNAL ARTICLE
Chun'e Li, Yujing Chen, Yan Wen, Yumeng Jia, Shiqiang Cheng, Li Liu, Huijie Zhang, Chuyu Pan, Jingxi Zhang, Zhen Zhang, Xuena Yang, Peilin Meng, Yao Yao, Feng Zhang
BACKGROUND: Growing evidence supports that alterations in the gut microbiota play an essential role in the etiology of anxiety, depression, and other psychiatric disorders. However, the potential effect of oral microbiota on mental health has received little attention. METHODS: Using the latest genome-wide association study (GWAS) summary data of the oral microbiome, polygenic risk scores (PRSs) of 285 salivary microbiomes and 309 tongue dorsum microbiomes were conducted...
2022: Frontiers in Psychiatry
https://read.qxmd.com/read/36439863/disrupted-gut-microbiota-aggravates-working-memory-dysfunction-induced-by-high-altitude-exposure-in-mice
#6
JOURNAL ARTICLE
Zhifang Zhao, Dejun Cui, Guosong Wu, Hong Ren, Ximei Zhu, Wenting Xie, Yuming Zhang, Liu Yang, Weiqi Peng, Chunxiao Lai, Yongmei Huang, Hao Li
BACKGROUND: The widely accepted microbiome-gut-brain axis (MGBA) hypothesis may be essential for explaining the impact of high-altitude exposure on the human body, especially brain function. However, studies on this topic are limited, and the underlying mechanism remains unclear. Therefore, this study aimed to determine whether high-altitude-induced working memory dysfunction could be exacerbated with gut microbiota disruption. METHODS AND RESULTS: C57BL/6 mice were randomly divided into three groups: control, high-altitude exposed (HAE), and high-altitude exposed with antibiotic treatment (HAE-A)...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439862/-rickettsia-parkeri-infection-modulates-the-sialome-and-ovariome-of-the-gulf-coast-tick-amblyomma-maculatum
#7
JOURNAL ARTICLE
Melina Garcia Guizzo, Khemraj Budachetri, Abdulsalam Adegoke, Jose M C Ribeiro, Shahid Karim
The Gulf Coast tick, Amblyomma maculatum , is a vector of several tick-borne pathogens, including Rickettsia parkeri . The ability of R . parkeri to persist within the tick population through transovarial and transstadial transmission, without apparently harming the ticks, contributes to the pathogen's perpetuation in the tick population. Previous studies have shown that the R . parkeri load in A . maculatum is regulated by the tick tissues' oxidant/antioxidant balance and the non-pathogenic tick microbiome...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439858/diversity-and-temporal-dynamics-of-breast-milk-microbiome-and-its-influencing-factors-in-chinese-women-during-the-first-6-months-postpartum
#8
JOURNAL ARTICLE
Bin Liu, Junying Zhao, Yanpin Liu, Weicang Qiao, Tiemin Jiang, Lijun Chen
Human breast milk (HBM) plays an important role in providing nutrients, beneficial microorganisms and bioactive components for infants, helping maturation of their immune system and gastrointestinal development. Here, we present a study aiming to investigate the diversity and temporal dynamics of the milk microbiome across the first 6 month postpartum in Chinese healthy breastfeeding women, and to investigate to what extent other variables (e.g., sampling location, infant sex, and mode of delivery) might also be related to variations in the human milk microbiome, and the association with maternal diet and nutrients...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439854/roux-en-y-gastric-bypass-induced-perturbative-changes-in-microbial-communities-and-metabolic-pathways-in-rats
#9
JOURNAL ARTICLE
Jing Yang, Lei Chen, Xue-Ying Shang, Yi-Lin Chen, Shan-Shan Zhao, Shi Jin, Jing Yang, Hui-Xin Liu, Jian Du
BACKGROUND: Obesity has become a global health and socioeconomic problem because of an inadequate balance between energy intake and energy expenditure. Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) are the two most commonly used strategies for weight loss, which have been proven to benefit from gut microbiota restoration. METHODS: Rats received SG, RYGB, and sham operations for 10 weeks. At the end of the experiment, the fecal microbiota was analyzed using 16s rRNA gene sequencing...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439851/improved-tolerance-of-apple-plants-to-drought-stress-and-nitrogen-utilization-by-modulating-the-rhizosphere-microbiome-via-melatonin-and-dopamine
#10
JOURNAL ARTICLE
Peihua Du, Yang Cao, Baoying Yin, Shasha Zhou, Zhongyong Li, Xueying Zhang, Jizhong Xu, Bowen Liang
This study explored the contributions of melatonin and dopamine to the uptake and utilization of nitrogen and the formation of rhizosphere microbial communities in 'Tianhong 2'/ M . hupehensis , with the goal improving plant resistance to drought stress. Drought stress was formed by artificially controlling soil moisture content. And melatonin or dopamine solutions were applied to the soil at regular intervals for experimental treatment. After 60 days of treatment, plant indices were determined and the structure of the rhizosphere microbial community was evaluated using high-throughput sequencing technology...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439850/oral-administration-of-live-combined-bacillus-subtilis-and-enterococcus-faecium-alleviates-colonic-oxidative-stress-and-inflammation-in-osteoarthritic-rats-by-improving-fecal-microbiome-metabolism-and-enhancing-the-colonic-barrier
#11
JOURNAL ARTICLE
Jilang Tang, Xiaopeng Song, Mingchao Zhao, Hong Chen, Yingying Wang, Binger Zhao, Shiming Yu, Tianwen Ma, Li Gao
Osteoarthritis (OA) causes intestinal damage. The protective effect of probiotics on the intestine is indeed effective; however, the mechanism of protection against intestinal damage in OA is not clear. In this study, we used meniscal/ligamentous injury (MLI) to mimic OA in rats and explored the colonic protective effects of Bacillus subtilis and Enterococcus faecium on OA. Our study showed that treatment with B. subtilis and E. faecium attenuated colonic injury and reduced inflammatory and oxidative stress factors in the serum of osteoarthritic rats...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439844/soil-composition-and-rootstock-genotype-drive-the-root-associated-microbial-communities-in-young-grapevines
#12
JOURNAL ARTICLE
Romain Darriaut, Livio Antonielli, Guilherme Martins, Patricia Ballestra, Philippe Vivin, Elisa Marguerit, Birgit Mitter, Isabelle Masneuf-Pomarède, Stéphane Compant, Nathalie Ollat, Virginie Lauvergeat
Soil microbiota plays a significant role in plant development and health and appears to be a major component of certain forms of grapevine decline. A greenhouse experiment was conducted to study the impact of the microbiological quality of the soil and grapevine rootstock genotype on the root microbial community and development of young plants. Two rootstocks heterografted with the same scion were grown in two vineyard soils differing in microbial composition and activities. After 4 months, culture-dependent approaches and amplicon sequencing of bacterial 16S rRNA gene and fungal ITS were performed on roots, rhizosphere and bulk soil samples...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439843/the-novel-oligopeptide-utilizing-species-anaeropeptidivorans-aminofermentans-m3-9-t-its-role-in-anaerobic-digestion-and-occurrence-as-deduced-from-large-scale-fragment-recruitment-analyses
#13
JOURNAL ARTICLE
Irena Maus, Daniel Wibberg, Peter Belmann, Sarah Hahnke, Liren Huang, Cathrin Spröer, Boyke Bunk, Jochen Blom, Alexander Sczyrba, Alfred Pühler, Michael Klocke, Andreas Schlüter
Research on biogas-producing microbial communities aims at elucidation of correlations and dependencies between the anaerobic digestion (AD) process and the corresponding microbiome composition in order to optimize the performance of the process and the biogas output. Previously, Lachnospiraceae species were frequently detected in mesophilic to moderately thermophilic biogas reactors. To analyze adaptive genome features of a representative Lachnospiraceae strain, Anaeropeptidivorans aminofermentans M3/9T was isolated from a mesophilic laboratory-scale biogas plant and its genome was sequenced and analyzed in detail...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439840/global-trends-in-akkermansia-muciniphila-research-a-bibliometric-visualization
#14
JOURNAL ARTICLE
Zitong Li, Haoran Ke, Ying Wang, Shuze Chen, Xiuying Liu, Qianyun Lin, Pu Wang, Ye Chen
BACKGROUND: Akkermansia muciniphila is a member of the gut microbiome, using mucin as sources of carbon, nitrogen, and energy. Since the first discovery of this unique bacterium in 2004, A. muciniphila has been extensively studied. It is considered a promising "next-generation beneficial microbe." The purpose of this paper is to sort out the research status and summarize the hotspots through bibliometric analysis of the publications of A. muciniphila. METHODS: The publications about A...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439813/sociability-in-a-non-captive-macaque-population-is-associated-with-beneficial-gut-bacteria
#15
JOURNAL ARTICLE
Katerina V-A Johnson, Karli K Watson, Robin I M Dunbar, Philip W J Burnet
The relationship between social behaviour and the microbiome is known to be reciprocal. Research in wild animal populations, particularly in primate social groups, has revealed the role that social interactions play in microbial transmission, whilst studies in laboratory animals have demonstrated that the gut microbiome can affect multiple aspects of behaviour, including social behaviour. Here we explore behavioural variation in a non-captive animal population with respect to the abundance of specific bacterial genera...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439809/decrypting-phytomicrobiome-of-the-neurotoxic-actinorhizal-species-coriaria-myrtifolia-and-dispersal-boundary-of-frankia-cluster-2-in-soil-outward-compatible-host-rhizosphere
#16
JOURNAL ARTICLE
Erik Swanson, Imed Sbissi, Amir Ktari, Hafsa Cherif-Silini, Faten Ghodhbane-Gtari, Louis S Tisa, Maher Gtari
The actinorhizal plant, Coriaria myrtifolia, is a neurotoxic plant species endemic to the western Mediterranean area, which forms a nitrogen-fixing symbiosis with members of Frankia cluster 2. Contrarily to other Frankia clusters, the occurrence and mode of dispersal for infective cluster 2 units outside of the host plant rhizosphere remains controversial. The present study was designed to investigate the structure of the microbiomes of C. myrtifolia phytosphere, rhizosphere, and soil samples extending outward linearly up to 1 km...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439799/combining-p-values-from-various-statistical-methods-for-microbiome-data
#17
JOURNAL ARTICLE
Hyeonjung Ham, Taesung Park
MOTIVATION: In the field of microbiome analysis, there exist various statistical methods that have been developed for identifying differentially expressed features, that account for the overdispersion and the high sparsity of microbiome data. However, due to the differences in statistical models or test formulations, it is quite often to have inconsistent significance results across statistical methods, that makes it difficult to determine the importance of microbiome taxa. Thus, it is practically important to have the integration of the result from all statistical methods to determine the importance of microbiome taxa...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439793/developmental-stage-variation-in-the-gut-microbiome-of-south-china-tigers
#18
JOURNAL ARTICLE
Xianfu Zhang, Yanxin Liao, Tao Qin, Jinghua Ma, Jianxun Liu, Jianqiang Zou, Haijun Huang, Xiaojun Zhong, Menghua Yang
South China tigers ( Panthera tigris amoyensis , SC) are the most threatened tiger subspecies in the world. All the living SCs are captive in zoos or reserves and depend on artificial feeding. The composition of the gut microbiome plays an important role in sustaining the health of the host. A comprehensive understanding of the composition and development of the microbial community of SC is helpful to improve the feeding of captive SC. In this study, we collected 47 fecal samples, 37 of which were from SC of three developmental stages, 5 from adult Amur tigers (Am), and 5 from adult Bengal tigers (Bg), which were all housed in the same zoo...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439791/gut-microbiome-metabolites-as-key-actors-in-atherosclerosis-co-depression-disease
#19
REVIEW
Xing-Xing Liao, Xiao-Yun Wu, Yu-Long Zhou, Jia-Jun Li, You-Liang Wen, Jun-Jie Zhou
Cardiovascular diseases, mainly characterized by atherosclerosis (AS), and depression have a high comorbidity rate. However, previous studies have been conducted under a single disease, and there is a lack of studies in comorbid states to explore the commonalities in the pathogenesis of both diseases. Modern high-throughput technologies have made it clear that the gut microbiome can affect the development of the host's own disorders and have shown that their metabolites are crucial to the pathophysiology of AS and depression...
2022: Frontiers in Microbiology
https://read.qxmd.com/read/36439790/short-term-head-down-bed-rest-microgravity-simulation-alters-salivary-microbiome-in-young-healthy-men
#20
JOURNAL ARTICLE
Hui Sun, Qian Zhou, Pengyan Qiao, Di Zhu, Bingmu Xin, Bin Wu, Chuhua Tang
Microgravity influences are prevalent during orbital flight and can adversely affect astronaut physiology. Notably, it may affect the physicochemical properties of saliva and the salivary microbial community. Therefore, this study simulates microgravity in space using a ground-based -6° head-down bed rest (HDBR) test to observe the effects of microgravity on oral salivary secretion function and the salivary microbiome. Sixteen healthy young male volunteers were recruited for the 15-day -6° HDBR test...
2022: Frontiers in Microbiology
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