Sentences with phrase «community composition»

Multiple stool samples were collected and analyzed for bacterial community composition during the study.

In preparing the recent paper, they analyzed collected organisms and video surveys to determine community composition.

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.

Effects of ocean acidification on microbial community composition of, and oxygen fluxes through, biofilms from the Great Barrier Reef

The authors advocate that stress exposure to natural stock, active modification of community composition of coral symbionts, selective breeding, and laboratory breeding of the symbionts all warrant research attention.

«But what we've found is that the associated changes in plant community composition in the polar regions could lead to way more carbon being released into the atmosphere as methane.»

We observed differences in microbial community composition between vaginally delivered and cesarean - delivered infants that were comparable or slightly greater than the largest differences associated with feeding.

Commonly found in the waters from Baja California to Point Conception — although they can sometimes be found as far north as Monterey Bay — sheephead feed on sea urchins, whose grazing habits can wreak havoc on community composition in kelp forests.

While the UniFrac analyses we performed suggest independent associations between microbiome composition and both delivery mode and feeding method, the substantial overlap between the communities defined by both factors suggests that there are other important drivers of microbiome community composition that remain to be identified in future analyses.

Changes of community composition at multiple trophic levels due to hunting in Nigerian tropical forests

Conduct surveys of coral community composition at sites and assess dominance of coral types known to be more resistant or tolerant to bleaching.

After analyzing historical data on benthic community composition in Lake Erie over the last 50 years, the authors conclude that the lake's benthic community has changed significantly, even after taking into account the challenges presented by differences in sampling design, gear and preservation techniques, and taxonomic resolution over the years.

Archaeal community composition in the sediments was analyzed with high - throughput 16S rRNA gene pyrosequencing.

An approximate return to pretreatment conditions often (but not always) occurs within days or weeks after cessation of antibiotic treatment, as assessed by subjective judgments of bowel function and characterizations of overall community composition using techniques with low phylogenetic resolution [23 — 25].

Data included community composition by 16S rRNA gene iTag analysis and metaproteomic analysis of partially purified fractions of the community proteome that catalyzed toluene biosynthesis from phenylacetic acid; proteins were identified by mapping peptides to a community metagenome (Joint Genome Institute IMG Taxon ID 3300001784).

Integrated metagenomics and molecular ecological network analysis of bacterial community composition during the phytoremediation of cadmium - contaminated soils by bioenergy crops — Zhaojin Chen — Ecotoxicology and Environmental Safety

We discovered significant intersubject variability and differences between stool and mucosa community composition.

Although the data suggest that spatial models can effectively forecast tree community composition and structure of unstudied sites in Amazonia, incorporating environmental data may yield substantial improvements.

«Future changes in hydrological processes and precipitation patterns will have direct consequences for species ranges, tropical forest community composition and ecosystem function,» the researchers write in Nature.

Another area of interest would be probing community composition and dynamics of selection in different regions of the gut.

High levels of fiber and toxins in leaves make gut microbial fermentative activity essential to howler nutrition, and based on studies with other mammals, it is possible that differences in gut microbial community composition allow groups of howlers in different habitats to take advantage of distinct resources to fuel the same activities.

To investigate variation in gut microbial community composition within a species, we collected fecal samples from five groups of black howler monkeys (Alouatta pigra) in Mexico over an eight - week period (May - July 2009).

Elevated success of multispecies bacterial invasions impacts community composition during ecological succession.

Microbial community composition along a 50,000 year lacustrine sediment sequence.

Impact of storage conditions on fungal community composition of green coffee beans Coffea arabica L. stored in jute sacks during 1 year — L.M. Broissin - Vargas et al. — Journal of Applied Microbiology

On that issue, the potential complexities regarding phytoplankton community composition, ecological interactions, and anthropogenic impacts (such as changing iron supply, pollution, fishing) make definitive statements extremely uncertain (and I would guess one of the sources of humility in the reviewers that would allow them to acknowledge the possibility that the Boyce result was possible).

Changes in plant community composition lag behind climate warming in lowland forests.

A significant number of palaeolimnological records from lakes in the circumpolar Arctic have shown synchronous changes in biological community composition and sedimentological parameters associated with climate - driven regime shifts in increasing mean annual and summer temperatures and corresponding changes in thermal stratification / stability and ice - cover duration (e.g., Korhola et al., 2002; Ruhland et al., 2003; Pienitz et al., 2004; Smol et al., 2005; Prowse et al., 2006b).

Principal Coordinate Plots Comparing Microbial Community Composition Between Delivery Mode and Feeding Method Groups

Overall stool microbiome community composition was characterized using generalized UniFrac analysis.30 Controlling for the effects of feeding method, delivery mode was strongly associated with infant gut microbiome composition (P <.001; Q <.001)(Figure 1A).

Effects of bottom - water hypoxia on sediment bacterial community composition in a seasonally hypoxic enclosed bay (Omura Bay, West Kyushu, Japan)-- FEMS Microbiology Ecology

It doesn't stop there though, these interactions also alter plant communities composition and diversity», explains the research group leader Dr. Simon Scheiter, Senckenberg Biodiversity and Climate Research Centre.

Effect of urea - supplemented diets on the ruminal bacterial and archaeal community composition of finishing bulls — Zhenming Zhou — Applied Microbiology and Biotechnology

Formerly low - elevation species expanded their ranges and high - elevation species contracted theirs, leading to changed community composition at mid - and high elevations.

Changes in coral community composition can occur when more susceptible species are killed by bleaching events.

Viral load and treatment also had effects on community composition, but the number of persons in each subgroup of the study was too small to say anything more.

Shrub encroachment is associated with changes in soil bacterial community composition in a temperate grassland ecosystem — Xingjia Xiang — Plant and Soil

Continued changes in sea - ice extent, warming and acidification of the polar oceans are likely to further impact the biomass and community composition of marine biota as well as Arctic human activities (high confidence).

These differences in community composition can even be seen in adulthood [15].

We characterized the intestinal microbiome of 102 6 - week - old infants and observed independent associations between stool microbial community composition, mode of delivery, and feeding method.