The nitrate, and nitrite pathways and the dynamic changes in the bacterial communities during beet sugar processing

2021 ◽  
Author(s):  
Shuanghong Zhang ◽  
Ziyi Wu ◽  
Jian Wang ◽  
Sicong Zhang ◽  
Shuna Zhao ◽  
...  
Keyword(s):  
Bacterial Communities ◽  
Dynamic Changes ◽  
Beet Sugar ◽  
Nitrate And Nitrite

Comparative analysis of the total and active bacterial communities in the surface sediment of Lake Taihu

2020 ◽  
Vol 96 (5) ◽  
Author(s):  
Tong-tong Liu ◽  
Hong Yang
Keyword(s):  
Bacterial Community ◽  
Surface Sediment ◽  
Bacterial Communities ◽  
Surface Sediments ◽  
Lake Taihu ◽  
Dynamic Changes ◽  
Dna And Rna ◽  
Close Relationship ◽  
Total Bacterial Community ◽  
Quantitative Results

ABSTRACT Bacterial communities play crucial roles in the biogeochemical cycle of the surface sediments of freshwater lakes, but previous studies on bacterial community changes in this habitat have mostly been based on the total bacterial community (DNA level), while an exploration of the active microbiota at the RNA level has been lacking. Herein, we analysed the bacterial communities in the surface sediments of Lake Taihu at the DNA and RNA levels. Using MiSeq sequencing and real-time quantification, we found that the sequencing and quantitative results obtained at the RNA level compared with the DNA level were more accurate in responding to the spatiotemporal dynamic changes of the bacterial community. Although both sequencing methods indicated that Proteobacteria, Chloroflexi, Acidobacteria, Nitrospirae, Bacteroidetes and Actinobacteria were the dominant phyla, the co-occurrence network at the RNA level could better reflect the close relationship between microorganisms in the surface sediment. Additionally, further analysis showed that Prochlorococcus and Microcystis were the most relevant and dominant genera of Cyanobacteria in the total and active bacterial communities, respectively; our results also demonstrated that the analysis of Cyanobacteria-related groups at the RNA level was more ‘informative’.

scholarly journals Dynamic changes of total acid and bacterial communities during the traditional fermentation of Hong Qu glutinous rice wine

2020 ◽  
Vol 43 ◽  
pp. 23-31 ◽  
Author(s):  
Zhangcheng Liang ◽  
Xiaozi Lin ◽  
Zhigang He ◽  
Weixin Li ◽  
Xiangyun Ren ◽  
...  
Keyword(s):  
Bacterial Communities ◽  
Rice Wine ◽  
Total Acid ◽  
Dynamic Changes ◽  
Glutinous Rice ◽  
Traditional Fermentation

scholarly journals Recent Advances in Understanding the Microbiology of the Female Reproductive Tract and the Causes of Premature Birth

2010 ◽  
Vol 2010 ◽  
pp. 1-10 ◽  
Author(s):  
Xia Zhou ◽  
Rebecca M. Brotman ◽  
Pawel Gajer ◽  
Zaid Abdo ◽  
Ursel Schüette ◽  
...  
Keyword(s):  
Species Composition ◽  
Premature Birth ◽  
Bacterial Communities ◽  
Reproductive Tract ◽  
Female Reproductive Tract ◽  
Dynamic Changes ◽  
Amniotic Cavity ◽  
Culture Independent ◽  
Human Vagina ◽  
Intrauterine Infections

Data derived from molecular microbiological investigations of the human vagina have led to the discovery of resident bacterial communities that exhibit marked differences in terms of species composition. All undergo dynamic changes that are likely due to intrinsic host and behavioral factors. Similar types of bacteria have been found in both amniotic fluid and the vagina, suggesting a potential route of colonization. Given that not all of the species involved in intrauterine infections are readily cultivated, it is important that culture-independent methods of analysis must be used to understand the etiology of these infections. Further research is needed to establish whether an ascending pathway from the vagina to the amniotic cavity enables the development of intrauterine infections.

scholarly journals Rhizosphere Bacterial Community Characteristics over Different Years of Sugarcane Ratooning in Consecutive Monoculture

2019 ◽  
Vol 2019 ◽  
pp. 1-10 ◽  
Author(s):  
Xiaoning Gao ◽  
Zilin Wu ◽  
Rui Liu ◽  
Jiayun Wu ◽  
Qiaoying Zeng ◽  
...  
Keyword(s):  
Bacterial Community ◽  
Bacterial Communities ◽  
Illumina Miseq ◽  
Miseq Sequencing ◽  
Community Characteristics ◽  
Dynamic Changes ◽  
Operational Taxonomic Units ◽  
Total Bacterial Community ◽  
Rhizosphere Bacterial Community ◽  
Rhizosphere Bacterial Communities

To understand dynamic changes in rhizosphere microbial community in consecutive monoculture, Illumina MiSeq sequencing was performed to evaluate the V3-V4 region of 16S rRNA in the rhizosphere of newly planted and three-year ratooning sugarcane and to analyze the rhizosphere bacterial communities. A total of 126,581 and 119,914 valid sequences were obtained from newly planted and ratooning sugarcane and annotated with 4445 and 4620 operational taxonomic units (OTUs), respectively. Increased bacterial community abundance was found in the rhizosphere of ratooning sugarcane when compared with the newly planted sugarcane. The dominant bacterial taxa phyla were similar in both sugarcane groups. Proteobacteria accounted for more than 40% of the total bacterial community, followed by Acidobacteria and Actinobacteria. The abundance of Actinobacteria was higher in the newly planted sugarcane, whereas the abundance of Acidobacteria was higher in the ratooning sugarcane. Our study showed that Sphingomonas, Bradyrhizobium, Bryobacter, and Gemmatimonas were dominant genera. Moreover, the richness and diversity of the rhizosphere bacterial communities slightly increased and the abundance of beneficial microbes, such as Bacillus, Pseudomonas, and Streptacidiphilus, in ratooning sugarcane were more enriched. With the consecutive monoculture of sugarcane, the relative abundance of functional groups related to energy metabolism, glycan biosynthesis, metabolism, and transcription were overrepresented in ratooning sugarcane. These findings could provide the way for promoting the ratooning ability of sugarcane by improving the soil bacterial community.

Dynamic changes of the bacterial communities in roast chicken stored under normal and modified atmosphere packaging

2020 ◽  
Vol 85 (4) ◽  
pp. 1231-1239 ◽  
Author(s):  
Jichao Huang ◽  
Yuchen Guo ◽  
Qin Hou ◽  
Ming Huang ◽  
Xinghu Zhou
Keyword(s):  
Bacterial Communities ◽  
Modified Atmosphere Packaging ◽  
Modified Atmosphere ◽  
Dynamic Changes
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