-
"Grain to feed" continues to promote silage may become the leading role, Ketuo Biotechnology assists silage technology
Time of Update: 2021-10-09
In September 2020, the General Office of the State Council issued the "Opinions on Promoting the High-Quality Development of Animal Husbandry", proposing a sound forage supply system, which focused on the implementation of grain reforms based on local conditions, increased silage corn planting, and alfalfa, The self-sufficiency rate of forage grass such as oat grass is in short supply, and new forage grass resources such as hybrid paper mulberry and fodder mulberry have been developed and utilized .
-
The clinical research of Lactobacillus casei Zhang in improving kidney disease officially appeared in the publication
Time of Update: 2021-10-09
Some of the reprinted articles on this site are not original, and the copyright and liability belong to the original author .
Some of the reprinted articles on this site are not original, and the copyright and liability belong to the original author .
-
Take a lot of medicine, but no effect?
Time of Update: 2021-10-02
: Due to individual differences in the composition of the intestinal flora, some common drugs accumulate in the bacteria, and indirectly change the function and composition of the bacteria, which may directly affect the effectiveness and side effects of the drugs .
-
Wei Wensheng's team from Peking University reported on the new Clostridium difficile toxin B receptor
Time of Update: 2021-10-02
With the application of gene editing technology in the study of Clostridium difficile receptors, chondroitin sulfate proteoglycan 4 (CSPG4), Frizzled-1/2/7 and other proteins have been found to be receptors that mediate the entry of TcdB toxin into cells [5 ,6] .
-
A large multi-ethnic cohort explores the mystery of human intestinal flora, and Dr. Zhang Xiuying’s team releases the latest research results
Time of Update: 2021-10-02
The result "Sex- and age-related trajectories of the adult human gut microbiota shared across populations of different ethnicities" was published online in the first issue of "Nature Aging" in 2021, and a review article distributed at the same time gave this work "The study established a regional research cohort with clear characteristics, rich phenotypes, high homogeneity of genetics, geographic location, life> .
-
Sun Yat-sen University's Shu Yuelong and other teams discovered for the first time that MX1 mutations increase human susceptibility to zoonotic H7N9 influenza viruses
Time of Update: 2021-10-02
On August 20, 2021, Shu Yuelong of Sun Yat-sen University and Martin Schwemmle of University of Freiburg, Germany, jointly published a research paper entitled "Rare variant MX1 alleles increase human susceptibility to zoonotic H7N9 influenza virus" in Science Online, which uses whole-genome sequencing Comparing avian IAV H7N9 patients with healthy controls, it was observed that there is a strong association between H7N9 infection and the rare heterozygous single nucleotide variation in the MX1 gene .
-
[Science] Can viruses spread through aerosols?
Time of Update: 2021-10-02
S. Centers for Disease Control and Prevention recognized that inhaling virus-carrying aerosols is the main route for the new coronavirus to spread in short and long distances .
-
Why is Delta so "poisonous"?
Time of Update: 2021-10-02
Experiments have shown that the delta mutant strain of the new coronavirus is more capable of causing symptoms and has a higher pathogenicity .
1. 1 virus carrying D614G, the delta mutant strain can form larger syncytia .
-
Shocked!
Time of Update: 2021-10-02
However, recently, a scientific research team from the University of Bath and the University of Edinburgh published an article in "Genome Biology and Evolution" entitled Causes and consequences of purifying The new research on selection on SARS-CoV-2 seems to be a bit chilling .
-
JHM column: Shu Longfei and Yang Xin team from Sun Yat-sen University: Amoeba can protect the bacteria in the body from the inactivation of drinking water disinfection
Time of Update: 2021-10-02
126006 Picture Abstract Introduction Recently, the team of Shu Longfei and Yang Xin of Sun Yat-sen University The Journal of Hazardous Materials published a research paper entitled "Both viable and inactivated amoeba spores protect their intracellular bacteria from drinking water disinfection" .
-
Cell: Subverting cognition!
Time of Update: 2021-10-02
Using cryo-electron microscopy (cryo-EM) technology, this study proved that the viral histone doublets do indeed interact with DNA to form nucleosome-like particles, which have unique structural characteristics not seen in eukaryotes .
-
[Nat Microbiol] Host preference and invasiveness of symbiotic bacteria in the rhizosphere microorganisms of Lotus japonicus and Arabidopsis thaliana
Time of Update: 2021-10-02
Part2 Research Results We first detected the rhizosphere flora of two model plants grown in the same soil-Lotus japonicus and Arabidopsis thaliana, and analyzed the bacterial flora composition of the two model plants It is not the same, and this difference (28%) is mainly caused by the relative abundance of bacterial groups .
-
Why does the new crown Delta variant spread so rapidly?
Time of Update: 2021-10-02
, All infected with the Delta mutant strain, the research team tested their viral load every day, and then compared them with people infected with the original strain of the new coronavirus in 2020 .
-
Nat Commun Bian Xiaoying's team develops a new type of gram-negative bacterial chassis to promote the mining of natural products
Time of Update: 2021-10-02
Finally, a cryptic biosynthetic gene cluster chm derived from the gram-negative bacterium Chitinimonas koreensis DSM 17726 was successfully expressed heterologously in the DT series of mutant strains, and the yield of heterologous expression was higher than that of the wild-type DSM 7029 Compared with the original strain DSM 17726, it is significantly improved, and a series of new natural products, chitinimides AH, have been identified .
-
Why can the delta mutant virus spread so quickly and fiercely? Scientists from Cambridge University will take you to understand it
Time of Update: 2021-10-02
Recently, an international research team at the University of Cambridge has made new discoveries about the delta mutant strain: the delta variant of the new crown virus is very likely to spread through its ability to evade neutralizing antibodies and increasing infectivity .
-
"Science": High-fat diet destroys intestines, intestinal bacteria, and blood vessels!
Time of Update: 2021-10-02
Sure enough, the researchers observed in both normal and sterile mice: After high-fat diet feeding, the expression level of Nos2 in colonic epithelial cells and the concentration of nitrate in the colonic mucus layer increased significantly .
-
[Cell Journal] New breakthrough in anti-epidemic! Using yeast screening method-identification of new coronavirus S protein escape mutants
Time of Update: 2021-10-02
Recently, researchers have used yeast screening to identify mutations in the new coronavirus S protein that prevent antibodies from functioning, which will help accelerate the development of a universal vaccine for all viruses .
-
[Nature] The virus can also be transmitted to white-tailed deer?
Time of Update: 2021-10-02
Recently, researchers in the United States have discovered that a relatively special animal carries the new crown virus, which may be transmitted to humans.
Recently, when scientists were studying the new coronavirus, they discovered that one-third of the white-tailed deer in the northeastern United States have antibodies that can resist the new coronavirus.
-
Northeast Agricultural University Liu Zhijing, Jiang Zhanmei, etc.: Screening of intestinal probiotic antibacterial lactic acid bacteria and research on antibacterial substances
Time of Update: 2021-10-02
Innovation: Lactic acid bacteria with good potential probiotics and safety have been isolated from the feces of healthy adults in China, and they have been found to have high antibacterial activity against Escherichia coli and Staphylococcus aureus .
-
By designing specific primer pairs for bacterial 16S rDNA, the pollution-free sequencing analysis and quantitative detection of plant endophytes are realized
Time of Update: 2021-10-02
Recently, Zhang Lili and Fang Rongxiang’s team from the Institute of Microbiology of the Chinese Academy of Sciences and the Wu Jianxiang research team of Zhejiang University jointly published a research paper entitled "Designing specific bacterial 16S primers to sequence and quantitate plant endo-bacteriome" in Science China Life Sciences.
