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Topic: Bacteroidetes

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	OhioLINK ETD: Lamendella, Regina
		Phylogenetic analysis of Bacteroidetes 16S rDNA sequences derived from fecal and environmental samples demonstrated the presence of a high level of sequence diversity, with nearly half of the recovered sequences showing less than 97% identity to sequences found in publicly available databases.
		Approximately, 60% of all clones clustered with yet to be cultured Bacteroidetes species associated with sequences obtained from ruminant feces, further supporting the prevalence of ruminant contamination in this watershed.
		The preponderance of clones affiliated with uncultured Bacteroidetes strongly suggests that the bacterial diversity of this group is not sufficiently represented by the culturable members for which sequence data are available.
	www.ohiolink.edu /etd/view.cgi?ucin1141427143 (382 words)

	MEDLINE Search on Medscape.com
		Phylogeny of Proteobacteria and Bacteroidetes from oxic habitats of a tidal flat ecosystem.
		Bacteria of the phyla Proteobacteria and Bacteroidetes are known to be the most prominent heterotrophic organisms in marine surface waters.
		Characterization of a 'Bacteroidetes' symbiont in Encarsia wasps (Hymenoptera: Aphelinidae): proposal of 'Candidatus Cardinium hertigii'.
	search.medscape.com /medline-search?queryText=Bacteroidetes (422 words)

	VBWG - Journal Link
		Furthermore, when obese individuals lose weight, the Bacteroidetes to Firmicutes ratio increases in a manner proportionate to the extent of weight loss.
		The relative abundance of Bacteroidetes and Firmicutes was assessed by taxonomic analysis of environmental gene tags and 16S ribosomal RNA gene fragments.
		The ratio of Firmicutes to Bacteroidetes in the gut of obese and lean mice was 7.3 and 1.5, respectively.
	www.vbwg.org /journal_article.cfm?article_id=2289&month=&year=&template=literature_update (417 words)

	Obesity Cause and Help > Abundance of microbes living in the gut may contribute to obesity
		The researchers focused on two major groups of bacteria - the Bacteroidetes and the Firmicutes - that together make up more than 90 percent of microbes found in the intestines of mice and humans.
		Moreover, the differences were not due to a bloom of one species in the Firmicutes or a diminution of a single or a few species of Bacteroidetes: virtually all members of each group were altered.
		As the patients lost weight, the abundance of the Bacteroidetes increased and the abundance of Firmicutes decreased, irrespective of the diet they were on.
	www.emaxhealth.com /109/8740.html (830 words)

	American Society of Limnology and Oceanography: Welcome Page (Site not responding. Last check: 2007-11-02)
		We have developed a rapid method of identifying the source of certain kinds of feces in water, utilizing PCR assays targeting host-specific groups of Bacteroidetes fecal bacteria.
		Bacteroidetes was detected quantitatively in sewage down to a 10 7-fold dilution; the assay correlated well with standard indicators (E. coli and coliforms), but took only 3-4 hours to complete.
		We examined correlation of human and ruminant Bacteroidetes markers with two pathogens in water samples from a Canadian watershed.
	aslo.org /meetings/slc2005/abstracts/868.htm (267 words)

	Bacteroidetes - The Wordbook Encyclopedia
		The phylum Bacteroidetes is composed of three large classes of bacteria that are widely distributed in the environment, including in soil, in sediments, sea water and in the guts of animals.
		By far, the Bacteroidales class are the most well-studied, including the genus Bacteroides (an abundant organism in the feces of warm-blooded animals including humans), and Porphyromonas, a group of organisms inhabiting the human oral cavity.
		However, they are unsure if Bacteroidetes prevent obesity or if these intestinal flora are merely preferentially selected by intestinal conditions in those who are not obese.
	www.thewordbook.com /Bacteroidetes (254 words)

	Source Molecular Corporation
		Bacteroidetes is composed of three large groups of bacteria with the best-known category being Bacteroidaceae.
		The Cow Bacteroidetes ID service is designed around the principle that fecal Bacteroidetes are found in large quantities in feces of warm-blooded animals.
		One of the advantages of the Cow Bacteroidetes ID service is that the entire water is sampled and filtered for fecal Bacteroidetes.
	www.sourcemolecular.com /cowbacteroidetes.htm (1150 words)

	[No title]
		Next, the researchers spent a year meticulously measuring the gut flora of the obese volunteers as they tried to lose weight by eating low-calorie diets that restricted either their fat or carbohydrates.
		Moreover, when the researchers examined the gut flora of obese laboratory mice they found a similar pattern in their balance of Firmicutes to Bacteroidetes.
		And when they transferred gut flora from obese mice to sterile mice devoid of gut flora, the recipient animals tended to gain weight, confirming that pattern was associated with weight gain.
	www.wwltv.com /sharedcontent/dws/news/nation/stories/122106dnnatobese.2dd4066.html (654 words)

	[No title]
		oral clone AU126 2.15.1.2.7.81 OTU 1 seq prokMSA_id:66177 clone IIB-29 2.15.1.2.7.82 OTU 3 seqs prokMSA_id:46168 Bacteroidetes clone BIui18 prokMSA_id:74492 Bacteroidetes clone BIci17 prokMSA_id:91816 Dysgonomonas shahii strain CCUG 43457 2.15.1.2.7.83 OTU 1 seq prokMSA_id:47720 strain MR36D 2.15.1.2.7.84 OTU 1 seq prokMSA_id:1928 Bacteroides sp.
		2216.15.5 2.15.1.3.13.141 OTU 1 seq prokMSA_id:85064 Bacteroidetes KMM 3949 2.15.1.3.13.142 OTU 1 seq prokMSA_id:81144 Bacteroidetes ANT9105 2.15.1.3.13.143 OTU 1 seq prokMSA_id:80944 Arctic sea ice ARK10223 2.15.1.3.13.144 OTU 1 seq prokMSA_id:20776 Bacteroidetes clone BIvi22 2.15.1.3.13.145 OTU 1 seq prokMSA_id:96608 Robiginitalea biformata strain HTCC2514 2.15.1.3.13.146 OTU 1 seq prokMSA_id:67189 Cellulophaga sp.
		KHLA1 AF366582 prokMSA_id:28957 Bacteroidetes clone BIui38 prokMSA_id:29190 Cytophaga sp.
	greengenes.llnl.gov /16S_cgi/download/G1/SSU_SeqDescByOTU.txt (9026 words)

	DELFI - Asmens svoris ir jo žarnyno flora - susiję
		Nustatyta, kad, lyginant su normaliomis pelėmis, nutukusių graužikų žarnyne buvo daugiau bakterijų, priklausančių Firmicutes grupei ir mažiau bakterijų, priklausančių Bacteroidetes grupei.
		Lyginant su Bacteroidetes bakterijomis, Firmicutes bakterijų organizmuose gali būti platesnis fermentų, skaidančių sudėtingus angliavandenilius, spektras, tvirtina mokslininkai.
		Nustatyta, kad Firmicutes ir Bacteroidetes bakterijų santykis nutukusių asmenų žarnynuose buvo didesnis nei tyrime dalyvavusių lieknų žmonių žarnynuose.
	www.delfi.lt /news/daily/science/article.php?id=11578305 (522 words)

	BioPortfolio News : Gaining weight? Blame it on the bugs in your gut
		Gordon and his team focused on two major groups of bacteria: the Bacteroidetes and the Firmicutes, which together make up more than 90 percent of microbes found in the intestines of mice and humans.
		They found that the obese mice had 50 percent fewer Bacteroidetes and proportionately more Firmicutes than their lean counterparts.
		When the study started, the obese patients had the same type of depletion of Bacteroidetes and enhancement of Firmicutes as the obese mice.
	www.bioportfolio.com /december_06/27_12_2006/Gaining_weight_Blame_it_on.html (673 words)

	BioMed Central \| Full text \| Phylogeny and Molecular Signatures (Conserved Proteins and Indels) that are Specific for ...
		The bacteria from the Bacteroidetes phylum (previously known as the Cytophaga-Flavobacteria-Bacteroides (CFB) group) exhibit a potpourri of phenotypes including gliding behavior and their ability to digest and grow on a variety of complex substrates such as cellulose, chitin and agar [4-8].
		In contrast to wide distribution of Bacteroidetes species in diverse habitats, bacteria from the phylum Chlorobi occupy a narrow environmental niche mainly consisting of anoxic aquatic settings in stratified lakes (chemocline regions), where sunlight is able to penetrate [21-24].
		The species from the Bacteroidetes and Chlorobi phyla are presently distinguished from other bacteria primarily on the basis of their branching in phylogenetic trees [2,3,27].
	www.biomedcentral.com /1471-2148/7/71 (7668 words)

	Gut Microbe and Obesity Link - Calorie Absorption Rate Different For People – Friendly Bacteria Help Body Extract ...
		Bacteroidetes and the Firmicutes make up more than 90 percent of microbes found in the intestines of mice and humans.
		Their research indicated that obese mice had 50 percent fewer Bacteroidetes and proportionately more Firmicutes.
		The report shows the “differences were not due to a bloom of one species in the Firmicutes or a diminution of a single or a few species of Bacteroidetes: virtually all members of each group were altered.”
	www.bestsyndication.com /?q=122106_obesity_microbe_link.htm (769 words)

	Scientists link weight to gut bacteria - Boston.com
		Obese humans and mice had a lower percentage of a family of bacteria called Bacteroidetes and more of a type of bacteria called Firmicutes, Gordon and his colleagues found.
		The researchers aren't sure if more Firmicutes makes you fat or if people who are obese grow more of that type of bacteria.
		Before dieting, about 3 percent of the gut bacteria in the obese participants was Bacteroidetes.
	www.boston.com /yourlife/health/diseases/articles/2006/12/20/scientists_link_weight_to_gut_bacteria?rss_id=Boston.com+%2F+News (697 words)

	[No title]
		CL14 clone CL14 02150102070000.5530_19g39d1p59t_1seqs Ppm.macacae_subgroup Bacteroidetes clone BIci17 02150102070000.5537_23g16d0p39t_2seqs Ppm.macacae_subgroup clone p-2177-s959-3 02150102070000.5546_26g22d0p48t_1seqs Ppm.macacae_subgroup TCE5 02150102070000.5557_26g16d0p42t_1seqs Ppm.macacae_subgroup Bacteroides cf.
		V4.MS.29 02150103130000.5956_0g0d55p55t_2seqs Arenibacter troitsensis 02150103130000.5960_0g2d64p66t_1seqs Cy.uliginosa_subgroup Marine ATAM173a_6 02150103130000.5971_0g0d23p23t_9seqs Cy.uliginosa_subgroup Bacteroidetes KMM 3951 02150103130000.5977_26g26d7p59t_1seqs Cy.uliginosa_subgroup Bacteroidetes clone BIvi22 02150103130000.6000_22g36d2p60t_1seqs Cy.uliginosa_subgroup ACAM 210.
		SW325 02150103150000.6221_24g30d4p58t_1seqs Psh.burtonensis_subgroup Cytophagales Arctic96AD-4 02150103150000.6241_18g34d6p58t_1seqs Psh.burtonensis_subgroup Abyssal strain AII3 02150103150000.6242_20g16d0p36t_1seqs Psychroserpens aff 02150103150000.6269_0g10d19p29t_1seqs Psh.burtonensis_subgroup clone UC1 02150103160000.5757_24g32d0p56t_1seqs Environmental_clone_fl7_subgroup Cytophagales Arctic96B-24 02150103160000.6104_6g16d33p55t_3seqs Environmental_clone_fl7_subgroup Bacteroidetes clone CF91 02150103160000.6142_21g52d0p73t_3seqs Environmental_clone_fl7_subgroup CS_B009 02150103050000.5352_0g0d11p11t_18seqs Chryseobacterium meningosepticum 02150103140000.5404_8g10d19p37t_4seqs Psf.torquis_subgroup Flavobacteriaceae str.
	bbrp.llnl.gov /16S_cgi/download/G2/Mar_12_2004_rep_orgs.txt (5388 words)

	Friendly Microbes Could Make You Fat - Health - RedOrbit
		The researchers tested the idea that bacteria are responsible for weight gain by taking bacteria from either lean or obese mice and transplanting them into mice raised to have no bacteria in their intestines.
		As the people lost weight, the proportion of inefficient Bacteroidetes bacteria increased, suggesting that the amount of fat the host carries also influences which microbes prosper in the colon.
		For instance, the scientists don't know yet whether people prone to obesity start out with a different mix of bacteria, what causes the shift in the balance between lean and obese, or how bacteria measure the amount of fat their host carries.
	www.redorbit.com /news/health/775657/friendly_microbes_could_make_you_fat/index.html (933 words)

	Channelnewsasia.com
		They took this discovery further in experiments in mice, finding that the gut bacteria of obese mice not only had fewer Bacteroidetes than skinny counterparts, but also was rich in genes that broke down hard-to-digest foods more efficiently.
		Fewer calories remained in the faeces of the obese mice than in those of the lean ones, which implies the chubby rodents were able to extract more energy from their food thanks to the intestinal flora.
		The rise in obesity in developed countries is ascribed almost universally to a shift to high-fat, high-sugar diets and a sedentary lifestyle over the past few decades.
	www.channelnewsasia.com /stories/health/view/248430/1/.html (460 words)

	Relative abundance of common microbes living in the gut may contribute to obesity
		In one of this week's Nature articles, Ruth Ley, Ph.D., a microbial ecologist in Gordon's group, reports on her investigation into whether these findings also held true among obese humans.
		At the outset of the study, the obese patients had the same type of depletion of Bacteroidetes and relative enhancement of Firmicutes as the obese mice.
		In a companion paper in the same journal, Peter Turnbaugh, a Ph.D. student in Gordon's lab, compared the genes present in the gut microbial communities of the obese and lean mice using the newest generation of massively parallel DNA sequencers.
	www.eurekalert.org /pub_releases/2006-12/wuso-rao122006.php (967 words)

	Record: Abundance of common microbes in the gut may contribute to obesity
		In one of the Nature articles, Ruth Ley, Ph.D., a microbial ecologist in Gordon's group, reports on her investigation into whether these findings were true among obese humans.
		Moreover, the entire group of Bacteroidetes increased as patients lost weight.
		In a companion paper in the same journal, Peter Turnbaugh, a doctoral student in Gordon's lab, compared the genes present in the gut microbial communities of the obese and lean mice using the newest generation of massively parallel DNA sequencers.
	record.wustl.edu /news/page/normal/8457.html (648 words)

	Your gut reaction influences your weight - health - 20 December 2006 - New Scientist
		Compared with Bacteroidetes bacteria, Firmicutes bacteria might have a wider range of enzymes for breaking down complex carbohydrates, the researchers say.
		For example, Bacteroidetes microbes constituted 5% of the obese people’s gut flora, but 20% of the lean subjects’.
		After a year of either a carbohydrate- or fat-restricted diet, the obese individuals lost weight and the ratio of Firmicutes to Bacteroidetes bugs shifted towards that of their lean counterparts.
	www.newscientist.com /article/dn10837-your-gut-reaction-influences-your-weight.html (570 words)

	Symbiosis and Insect Diversification: an Ancient Symbiont of Sap-Feeding Insects from the Bacterial Phylum ...
		Symbiosis and Insect Diversification: an Ancient Symbiont of Sap-Feeding Insects from the Bacterial Phylum Bacteroidetes -- Moran et al.
		Symbiosis and Insect Diversification: an Ancient Symbiont of Sap-Feeding Insects from the Bacterial Phylum Bacteroidetes
		(B and C) FISH of the Bacteroidetes symbiont ("Candidatus Sulcia muelleri" [Sm]) dissected from the bacteriomes of Clastoptera arizonana (Cercopoidea) intermixed with round Buchnera aphidicola (Ba) cells from a pea aphid as controls.
	aem.asm.org /cgi/content/full/71/12/8802 (5325 words)

	Bacteria in digestive system could hold key to obesity
		According to Prof Jeffrey Gordon of Washington University School of Medicine, Dr Ruth Ley and colleagues, who carried out the studies, the relative proportion of bacteroidetes is lower in obese compared with lean people, while the proportion of firmicutes was higher in the obese people.
		The proportion of bacteroidetes increases as weight is lost on low calorie diets.
		Studying 12 obese people, Prof Gordon and his team noticed that levels of bacteroidetes rose when these people followed low-calorie diets for a year and their weights decreased.
	www.earthtimes.org /articles/show/15184.html (553 words)

	Conference Proceedings
		The use of members of the genera Bacteroides and Prevotella, obligate anaerobes belonging to the order Bacteroidetes that are abundant in the feces of warm-blooded animals, as indicators of fecal contamination may lead to the development of methods that rapidly, inexpensively and accurately identify the sources of fecal contamination.
		The goal of this investigation was to evaluate Polymerase Chain Reactions (PCRs) specific for Bacteroidetes as indicators of fecal contamination.
		DNA was amplified by PCR using Bacteroidetes-specific primers and a primer pair reported to be specific for Bacteroidetes of human origin.
	www.mnsu.edu /research/URC/OnlinePublications/URC2006Proceedings/WeeramantriKakizaki.html (251 words)

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