Those inhabiting the human body have received increased attention in recent years, owing to a greater appreciation of the interrelated nature of humans and their microbiome, an improved understanding of microbial ecology, and an unprecedented ability to detect fine - scale
microbial community changes with high - throughput sequencing technology (Human Microbiome Project Consortium, 2012).
Moreover, the study shows that
the microbial community changes through time in a predictable way.
For example, researchers from Washington University School of Medicine found that participants»
microbial community changed as their body weight decreased, to resemble a «lean» person's microbiome.
Not exact matches
The PDF, Microbes Make the Cheese, A Report from the American Academy for Microbiology explains: Cheese is created by orderly successions of
microbial communities that produce compounds responsible for cheese flavor... Each piece of cheese contains as many as 10,000,000,000 or 10 billion microbes... The added starter cultures dominate the cheese microbiota, establishing conditions that select for the next microorganisms that will be capable of thriving in the
changing cheese matrix.
However, in the last few centuries of human - microbe interactions,
changes in our birth and medical practices and living conditions may have altered the acquisition of our
microbial communities.
His team knew that
microbial communities on skin tend to be unique to the individual and
change little over time.
Different
changes to the
microbial community of the stomach may explain why related conditions are associated with different risk levels and types of gastric tumor, according to a new study in PLOS Pathogens.
«The next phases are a lot more soil biology, measuring
changes below ground in fungal and
microbial communities to get a handle on how they are responding to the warming.»
The study adds to knowledge of how microbes colonize our skin and how much our
microbial communities — or microbiomes —
change when we contact other people or surfaces, whether it's a doorknob at home or medical equipment in a hospital.
Indeed, «We found
changes in the host
microbial community throughout the entire gastrointestinal tract,» said Dawson.
Mothers known as «non-secretors» have a non-functional fucosyltransferase 2 (FUT2) gene, which alters the composition of their breast milk sugars and
changes how the
microbial community, or microbiota, of their infants» guts develop.
This was associated with a
change in the soil
microbial community and an increase in the number of enchytraeid worms — these worms are the main soil fauna in peatlands that are responsible for decomposition.
But scientists including DeBruyn are also starting to look at timing death using
changes in the
microbial community during decomposition (SN Online: 7/22/15).
One avenue of research is the
changing microbial community in the soil beneath decomposing bodies.
Researchers have also detected a
change in the rodents» microbiome, the natural
microbial community in their guts.
Mouse studies have shown that stress, particularly early in life, can
change microbial communities, and not in a good way.
The product affected certain gut bacteria without
changing the global composition of the
microbial community.
Studies of germ - free rodents and other animals on gut - disrupting antibiotics show that
changing microbial communities can impair memory and cause anxiety - like behaviours.
«Our results confirmed the
changes in nutrient condition and
microbial community in water caused by a small amount of feces,» Lee concluded.
«Now we need to improve predictions of how methane - producing
microbial communities will respond to climate
change.
Based on those
changes, you will see drastically different
microbial communities.
A new study led by the University of Colorado Boulder and the University of California, San Diego indicates unique and
changing microbial communities present during the decomposition of human cadavers look to be a reliable «clock» for forensic scientists.
Several reasonable explanations arise given these results: (1) all players were exercising, and exercise produces predictable
changes in skin habitat conditions that are likely to affect bacterial
communities over time; (2) players were acquiring
microbial transients from the built environment; and (3) players were coming into repeated physical contact with their teammates and those from opposing teams, often using the sampled area of their upper arms, and potentially sharing portions of their skin microbiomes.
Temperature - induced
changes in a
microbial community under autotrophic denitrification with sulfide — Michal Sposob — Process Biochemistry
«Our goal is to discover what
microbial communities exist in different parts of the human body and to explore how these
communities change in the presence of health or disease,» said National Human Genome Research Institute Director, Francis S. Collins, M.D., Ph.D., co-chair of the Human Microbiome Project Implementation Group.
* Dynamic
changes in
microbial communities during the bioremediation of herbicide (chlorimuron - ethyl and atrazine) contaminated soils by combined degrading bacteria — Jian Wang — PLOSone
In today's digest, check among many interesting articles: the evolution within human microbiome by T.D. Lieberman, unique
microbial biodiversity residing in hadal trenches by L.M. Peoples,
changes in
community composition in coastal water following exposure to oil and oil dispersant by S.H. Doyle.
Preprint:
Changes in the genetic requirements for
microbial interactions with increasing
community complexity — Manon Morin — bioRxiv
Jansson had long been curious about how these rapid temperature
changes were affecting the underground
microbial community, and whether these
changes had any surprising side effects.
Metagenomics is the high - throughput sequencing of
microbial community DNA extracts and, because it directly sequences this DNA, it can be used to characterize
changes in the genes themselves and their function.
But Kan said more research is needed to understand the
changes in
microbial communities with biochar and to determine the optimum conditions for anaerobic digestion of manure before researchers can build a scale version that can be tested and eventually applied to scale for a working dairy.
By bringing together
microbial ecologists, biogeochemists her group examines the influence of
microbial communities on coastal ocean processes, especially in light of a
changing climate.
Initial microbiome studies show that stress can result in
changes to the gut
microbial community, specifically bacteria in the genus Lactobacillus are consistently reduced.
A shift in the
microbial community is associated with inflammation... It is interesting that the
microbial community is actually
changing with the disease state, which indicates that it is either responding to or contributing to the disease state.»»
While these levels remain unfortunately low, animal studies provide us with some clues as to how to increase the sulforaphane yield of these bacteria — feed them more.66 In just four days of a high broccoli diet, those bacteria that thrive on cruciferous vegetables grow in number, leading to a
change in composition of the
microbial community and an increase in opportunistic bacteria that turn our broccoli into cancer - fighting sulforaphane.
The results hold implications for land management, improved climate
change models, and a better understanding of carbon cycling in soil
microbial communities and how
changes in global temperatures impact Earth's deserts.
The rare biosphere of the Lost City
microbial community represents a large repository of genetic memory created during a long history of past environmental
changes.
These include depletion of microbially accessible carbon pools, reductions in
microbial biomass, a shift in
microbial carbon use efficiency, and
changes in
microbial community composition.
After introducing the nanoparticles, they found
changes in both specific characteristics of the
microbial community and of the gut microenvironment.
Overall, the nanoparticles caused significant
changes to the
microbial community's phenotype, which may be related to overall health effects, concludes the study.