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Bacteria - Wiley Online Library

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Last Updated: 27 September 2022

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Seasonal variation significantly influenced the stochasticity of community assembly of amphibian symbiotic bacteria

We discovered significant differences in the composition and variety of amphibian skin and gut bacteria. From summer to fall, Cou2010occurrences network analysis revealed that seasonal variation reduced the microbial network complexity of amphibians from summer to fall. The symbiotic bacterial community assembly mechanisms evolved from summer to fall, contributing to stochastic processes, although increasing in the role of deterministic processes. The most common microbial assembly process was dispersal limitation, followed by homogeneous selection, and finally heterogeneous selection in the symbiotic bacterial community communities of amphibians between summer and fall.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/1462-2920.16224


Electrospun PVA/α‐mangostin nanofibers, their anti‐bacterial ability and anti‐oxidation performances

U2013b1: U2010 mangostin, which has been extracted from mangosteen peel, has been used as an excellent bioactive agent with high anti-u2010oxidation, antiu2010bacterial, antiu2010inflammatory, etc. The use of u03b1u2010mangostin in the biomedicine field is both exciting and promising. The PVA/u03b1 nanofibers were made using electrospinning technique with a 2:1 ratio of PVA/u03b1 and 100/3 varying 100/0, 100/1, and 100/3. The addition of u03b1 u2010mangostin into PVA will improve mechanical properties of PVA. In PVA/u03b1 mangostin nanofibers, the little shift in wavenumbers that was characterized for stretching vibration of hydroxyl groups in the PVA/u03b1u2013mangostin nanofibers relative to PVA nanofibers has shown that hydroxyl groups in PVA can interact with hydroxyl groups in a PVA/u2013mangostin nanofibers as compared to PVA nanofibers has suggested that hydroxyl groups in u03b1 u203B1-u2010mangostin nanofibers as u03b1-u03b1 e hydroxyl groups in PVA/u03b1u03b1u1010/u03b1 u03b1u201 mangostin nanofibers hydroxyl groups in hydroxyl groups in hydroxyl groups in PVA/u03b1u03b1u03b1u03b1u2010mangostin hydroxyl groups in hydroxyl groups in hydroxyl groups in u2010mangostin In the presence of PVA, the solubility of ethanol/pH buffer solutions was enhanced drastically. PVA/u03b1 nanofibers' antibacterial and anti-u2010oxidation capability of PVA/u03b1 nanofibers was enhanced as the PVA/u00b1 nanofiber content increased. The nanofibers were shown to be suitable for use in the biomedicine field as a wound dressing component or in the food industry, according to these results.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/vjch.202200066


Ecological processes differ in community assembly of Archaea, Bacteria and Eukaryotes in a biogeographical survey of groundwater habitats in the Quebec region (Canada)

Microorganisms from the three main domains of life: archaea, eukaryotes, and bacteria inhabit Aquifers. In the Quebec area, we therefore conducted a spatial investigation into the distribution of microorganisms by sampling 35 wells distributed over a 10-square-square-square-kilometer area. The resulting results enabled us to determine the effects of geographical distance and geochemical water composition on the microbial communities. The assembly of the microbial community from all three domains was used to determine the relative importance of stochastic and determinist ecological processes.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/1462-2920.16219


Influences of adding media additives on synthesis of Gamma‐aminobutyric acid in fermentation of defatted rice bran extract with Lactic acid bacteria

GABA produced by lactic acid bacteria from rice bran is a method for maximizing the value of agricultural byproduct production while still lowering production costs. CaCl2, Tween 80, MnSO4, and Pyridoxine hydrochloride are all present in different amounts of GABA production by defatted rice bran extract fermentation using Lb. CaCl2, MnSO4, and Tween 80 positively affected GABA production from defatted rice bran extract by fermentation process, according to the study results.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/ijfs.16101


Identification of Bacillus species causing bacterial leaf spot of peach in China

Peach production in the majority peachu2010producing areas globally is limited by bacterial leaf spot, a significant disease limiting peach yields. Based on multilocus sequence analysis and biochemical characteristics, three of the five isolates were identified as B. cereus, with the remaining isolates being B. thuringiensis and B. pacificus. This is the first study on the occurrence of B. cereus species complex as the causal agents of BLS of peach, according to our knowledge, and it will help with future control measures.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/jph.13144


Lactic acid bacteria isolated from traditional Iranian butter with probiotic and cholesterol‐lowering properties: In vitro and in situ activity

Abstract: Producing butter from yogurt is a traditional way of life in Iran and elsewhere, particularly in rural areas. Various regions of Iran isolated Lactic acid bacteria with probiotic and cholesterol lowering capabilities isolated from traditional butter. From local farms, ten samples of traditional Iranian butter were collected. Until recently, 10 strains with high cholesterol reduction capability and tolerated bile and acid were discovered in Molecular techniques. All tested strain treatments resulted in significant changes in the cholesterol level of butter samples. In the butter sample made by Lactobacillus pentosus IBRC, u2010M 11045, the highest level of cholesterol reduction was achieved. The butter sample from Neoscardovia arbecensis IBRC 4391 4378 was more acceptable than other butter samples, according to Sensory results. Due to our findings, it is crucial to use these strains in butter production and introduce novel functional butter to the market.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/fsn3.3066


Identification of novel major and minor quantitative trait loci associated with bacterial blight resistance in rice from Oryza nivara‐derived wild introgression lines

Bacterial blight is one of the most common rice diseases, responsible for significant yield reduction, and host plant resistance plays a significant role in the disease's management. We used backcross introgression lines of u2019 Swarna-u2019, which contained wild introgressions from two Oryza nivara IRGC81848 and IRGC81832 in order to determine quantitative trait loci for BB resistance. On 12 chromosomes, respectively, 22 and 43 QTLs for BB resistance were found, accounting for between 2. 5% and 18. 0 percent of the phenotypic variation in the two populations.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/pbr.13052


Bacteria with potential: Improving outcomes through probiotic use following Roux‐en‐Y gastric bypass

This report seeks to highlight the benefits of using probiotics in bariatric surgical patients by addressing the causes of probiotics in the microbial environment, links between gastrointestinal dysbiosis and adverse health outcomes, how BS contributes to dysbiosis, how antibiotic therapy aids in diarrhea, and how probiotics can be used to treat patients undergoing Roux-u2010en u2010y gastric bypass. Based on current available reports, the role of microbial manipulation postu2010RYGB through probiotics has tremendous promise, but a further clinical investigation is required to better understand their effectiveness.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/cob.12552


A dark purple multifunctional ingredient from blueberry pomace enhanced with lactic acid bacteria for various applications

The main anthocyanins in blueberries frozen inoculated pomace are malvidin 3u2010Ou2010glucoside, peonidin 3u2010glucoside, and cyanidin 3u2010O-u2010glucoside are malvidin 3u2010Ou2010glucoside, according to u2010Ou2010O U2010glucoside. A viable cell content of 4. 75 percent vs. 7008 CFU/g was discovered after freeze drying and the ability of the freeze-dried powder to inhibit the DPPH radical, which was 171. 98 mMol Trolox/g DW. After going through the digestion process, the bioaccesibility of anthocyanins from blueberry powder was 37. 8%, and the probiotic survival rate was 49. 5 percent. The powder had IC50 values for u03b1-u00b1 0. 24 mg/ml and for u03b1-u00b1 0. 01 mg/ml, much lower when compared to similar drugs used in modern procedures. The powder also demonstrated a strong ability to inhibit tyrosinase, supporting the belief that the pomace resulting from juice and wine production can be used to produce multifunctional ingredients with significant health benefits.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/1750-3841.16315

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions