ライフサイエンスコーパス: rumen

1 pecies of bacteria from one environment (the rumen).

2 id microbiome fractions from the same bovine rumens).

3 thout affecting the digestion of feed in the rumen.

4 ap, and (3) an in vivo experiment within cow rumen.

5 l features of the bacterial community in the rumen.

6 y minimal impact due to the treatment in the rumen.

7 olytic bacteria originally isolated from the rumen.

8 ive and dominant cellulolytic members of the rumen.

9 he growth of nonmethanogenic bacteria in the rumen.

10 nd other publicly available genomes from the rumen.

11 onization of the RAJ, but unnecessary in the rumen.

12 bes adherent to plant fiber incubated in cow rumen.

13 ) responds to AHLs extracted from the bovine rumen.

14 , the animal gastrointestinal tract, and the rumen.

15 s to the degradation of hemicellulose in the rumen.

16 hemicellulose utilization within the bovine rumen.

17 ive bacillus originally isolated from bovine rumen.

18 chemical defaunation of the bovine or ovine rumen.

19 within protozoa originating from the bovine rumen.

20 he P. levii type strain isolated from bovine rumen.

21 robial anaerobic fermentation of feed in the rumen.

22 ollected from less studied habitats, such as rumen.

23 ng and amplicon sequencing data derived from rumen.

24 the derivatives to alter fermentation in the rumen.

25 ise diagnosis and preventative management of rumen acidosis in dairy calves.

26 based diagnosis and precision management of rumen acidosis in dairy calves.

27 molecular changes associated with prolonged rumen acidosis in post weaning young calves are largely

28 ration in feed, which subsequently may cause rumen acidosis while on milk and during weaning.

29 form secondary to high concentrate feeds and rumen acidosis.

30 s while on milk and during weaning can cause rumen acidosis.

31 ccus albus 8, a common inhabitant of the cow rumen, alludes to a bacterium well-endowed with genes th

32 cohesin, was identified in the cellulolytic rumen anaerobe Ruminococcus flavefaciens 17 as part of a

33 pecially CBDA, are readily absorbed from the rumen and available for distribution throughout the body

34 anaerobic bacterium naturally colonising the rumen and cecum of herbivores where it utilizes an enigm

35 the rumen of cattle dually cannulated at the rumen and duodenum.

36 rvived better than the wild type in both the rumen and duodenum.

37 The rumen and gastrointestinal tract harbor a dense and comp

38 r ecological success in habitats such as the rumen and human colon where nitrogen is rarely limiting

39 olecular mechanisms for xylan degradation by rumen and human commensal members of the Bacteroidetes p

40 The fatty acids were quantified in rumen and plasma using targeted MS to validate and evalu

41 ciens to degrade carbohydrates in the bovine rumen and provides a basis for constructing efficient na

42 of lignocellulose by microbes in the bovine rumen and the human colon is critical to gut health and

43 in degradation of plant fiber: those of the rumen and the human large intestine.

44 E. coli O157:H7 was isolated from the rumens and colons of eight of nine and nine of nine calv

45 Locomotor activity, Tb (measured in the rumen) and the location of each animal were recorded con

46 implicate larval cultivation of an external rumen as a possible mechanism for environmental modifica

47 dle of first lactation (>2 years) as well as rumen-associated communities from weaning (8 weeks) to f

48 ng most ruminal fungi, with mixed effects on rumen bacteria and fecal microbiota.

49 plasmidome contigs aligned with plasmids of rumen bacteria isolated from different locations and at

50 ingle-contig, whole-chromosome assemblies of rumen bacteria, two of which represent previously unknow

51 y that nature evolved in succinate-producing rumen bacteria.

52 This study determined the rumen bacterial communities and rumen environment parame

53 n cattle genomes (n = 586) and corresponding rumen bacterial community composition, we identified ope

54 tudy demonstrates that host genetics affects rumen bacterial community composition.

55 Amplicon sequencing indicated that the rumen bacterial community in CMD-fed lambs had lower div

56 chine learning on RFI was predictive of both rumen bacterial composition and serum metabolomic signat

57 ddition, despite interspecies differences in rumen bacterial composition, we are not aware of any dir

58 In this study, the rumen bacterial microbiota (RBM) of wild Yaku sika was c

59 he plasmidome was different from that of the rumen bacterial taxa.

60 ion, cultivation and characterization of the rumen bacterium Anaerovibrio lipolyticus in the 1960s, i

61 . ruminis Furthermore, the physiology of the rumen bacterium and the role of the energy-conserving sy

62 The rumen bacterium ferments glucose to 1.3 acetate, 0.7 eth

63 +) Here, we show that the strictly anaerobic rumen bacterium Pseudobutyrivibrio ruminis possesses 2 A

64 The rumen bacterium Ruminococcus flavefaciens produces a hig

65 llensis closely resembles that of the bovine rumen bacterium Ruminococcus flavefaciens.

66 Prevotella bryantii B(1)4 is a rumen bacterium that efficiently degrades soluble xylan.

67 xylan esterase encoded in the genome of this rumen bacterium.

68 Na(+) bioenergetics in a strictly anaerobic rumen bacterium.

69 hylcellulase, and Cel5A), from the symbiotic rumen Bacteroidetes Prevotella bryantii B14.

70 tain dietary conditions, typical pathways of rumen biohydrogenation are altered to produce unique fat

71 Rather, the basis involves alterations in rumen biohydrogenation of dietary polyunsaturated fatty

72 nd that AHLs are prominent within the bovine rumen but absent in other areas of the GI tract.

73 s not required for bacterial survival in the rumen but is necessary for efficient colonization at the

74 AHLs are present in the bovine rumen but not in the remainder of the gastrointestinal t

75 he most predominant bacteria detected in the rumen, but their presence has also been related to healt

76 ing the bacterial species composition in the rumen by performing a genome-wide association study.

77 herbivorous animals, specialized organs (the rumen, cecum, and colon) have evolved that allow highly

78 Here, we reveal two distinct system-wide rumen community types (RCT-A and RCT-B) that are not str

79 o the complex interplay among members of the rumen community.

80 namic membrane bioreactor (AnDMBR) mimicking rumen conditions was developed to enhance the hydrolysis

81 wever, most studies focus on bacteria in the rumen content community.

82 ps of four: the first group was treated with rumen content freshly extracted from an adult cow, and t

83 the second group was treated with sterilized rumen content.

84 n infected meat (carnivores) or to fermented rumen contents (herbivores).

85 ed by feeding diets with different levels of rumen degradable starch.

86 study of MFD and its regulation by specific rumen-derived bioactive FAs represents a successful exam

87 ased research in microbial organism mediated rumen development and nutrition in ruminants.

88 Rumen development seemingly had a significant impact on

89 In this study, rumen digesta attached in the epithelium from goats in t

90 Rumen digesta was used to inoculate the fermenters, and

91 tive relationship between lignin content and rumen digestibility, but no relationship between lignin

92 However, the GPS either favours rumen dwelling microbiota or demonstrates functional mic

93 des for functions, which are enriched in the rumen ecological niche and could confer advantages to th

94 ty and volatile fatty acid concentrations to rumen ecosystems.

95 termined the rumen bacterial communities and rumen environment parameters over ten weeks following tr

96 Here, we focus on the well-studied rumen environment to highlight how electrons are transfe

97 ond to diets within the context of the whole rumen environment.

98 hanges in specific bacterial populations and rumen environment.

99 Although bacteriophages are abundant in rumen environments, little is known about the types of v

100 omponents for plant biomass breakdown within rumen environments.

101 Additionally, the comparison of rumen epimural microbial communities between the treatme

102 pithelium and meta-transcriptome analysis of rumen epimural microbial communities were carried out.

103 Expression levels of rumen epithelial genes were not altered by diet treatmen

104 Compared with content bacteria, rumen epithelial microbiota had a stronger association w

105 comparing the liver mRNA expression with the rumen epithelial rRNA abundance at genus level.

106 Rumen epithelial tissues were collected at necropsy at 1

107 Liver and rumen epithelial tissues were collected at necropsy at 1

108 a-transcriptome analysis were done using the rumen epithelial tissues.

109 For rumen epithelial transcriptome, a total of 672 genes (fo

110 robiota including B. adolescentis, promoting rumen epithelial VFAs absorption and reducing ruminal in

111 Transcriptome analyses on the rumen epithelium and meta-transcriptome analysis of rume

112 indicating the impact of ruminal acidosis on rumen epithelium development.

113 minal volatile fatty acid (VFA) dynamics and rumen epithelium gene expression associated with the tra

114 Modulating VFAs absorption in the rumen epithelium represents a promising strategy for imp

115 umen VFA dynamics and in the capacity of the rumen epithelium to absorb and transport VFA.

116 stinct groups of bacteria as well as (in the rumen) eukaryotic microorganisms.

117 ratin cross-linking proteins associated with rumen evolution.

118 Diets did not influence rumen fermentation characteristics and the abundance of

119 gy for improving animal health and enhancing rumen fermentation efficiency.

120 e, catalyzes the methane-forming step in the rumen fermentation.

121 change affects forage quality and subsequent rumen fermentation.

122 compounds that differed in their effects on rumen fermentation.

123 Neither the ruminant nor the normal rumen flora can catabolize tricarballylate to ameliorate

124 Although the normal rumen flora cannot catabolize tricarballylate, the Gram-

125 Analysis of the rumen flora continues to provide fundamental knowledge o

126 d metagenomes (viromes) isolated from bovine rumen fluid and analysed the resulting data using compar

127 The rumen fluid and fecal samples from hay-fed cattle were n

128 volatile fatty acid (VFA) concentrations in rumen fluid are essential for research on rumen metaboli

129 Analysis of the rumen fluid confirmed bromoform is rapidly dehalogenated

130 Therefore, rumen fluid from cannulated cattle and sheep were used a

131 to differences in average daily gain (ADG), rumen fluid metabolomic analysis by LC-MS and multivaria

132 study, we dosed young calves with exogenous rumen fluid obtained from an adult donor cow, starting a

133 We collected 24 rumen fluid samples from six Boran cattle fed at sub-opt

134 Rumen fluid samples were analysed by (1)H-NMR spectrosco

135 Rumen fluid was collected at three timepoints on three d

136 Blood and rumen fluid was collected from the 16 steers 26 d before

137 Feces and rumen fluid were collected before and at slaughter, resp

138 As a result of the metabolomics analysis of rumen fluid, 33 metabolites differed between the ADG gro

139 ew recent progress in tracking the spread of rumen fluke infection in Europe, and propose some resear

140 associated risks for food security posed by rumen fluke infection, it is imperative that we develop

141 E. coli O157:H7 was detected in the rumen for only 9 days postinoculation in two animals, fo

142 pear to be diet driven for either the bovine rumen (forages and legumes) or the termite hindgut (wood

143 Microbial inhabitants of the bovine rumen fulfil the majority of the normal caloric requirem

144 c MAGs and provides further insight into the rumen function in harsh environments with food scarcity.

145 To identify potential differences in rumen function that lead to differences in average daily

146 heds light on the microbiome contribution to rumen functionality and constitutes a vital resource in

147 The complex microbiome of the rumen functions as an effective system for the conversio

148 t linkages, and potential roles in affecting rumen functions.

149 In this study, four rumen fungal genes (nf2152, nf2215, nf2523, and pr2455)

150 Using our rumen genome collection we predicted and annotated a lar

151 The rumen has a central role in the efficiency of digestion

152 To this end, anaerobic fungi in the rumen have been identified as a promising source of nove

153 th increased lysozymes, suggesting disrupted rumen homeostasis.

154 The rumen is a specialized stomach that is adapted to the br

155 ly similar to the type strain of P. levii, a rumen isolate (ATCC 29147).

156 ), potentially encouraging the conversion of rumen lactate to propionate over time via the succinate

157 Our set of rumen MAGs increases the rate of mapping of rumen metage

158 in rumen fluid are essential for research on rumen metabolism.

159 n of metabolomics to evaluate changes in the rumen metabolites of beef cattle fed with three differen

160 ed new insight into the relationship between rumen metabolites, CH(4) production and diets, as well a

161 nalysis were used to identify differences in rumen metabolites.

162 Our study outlines CAZyme profile of buffalo rumen metagenome and provides a scope to study the role

163 degrading and debranching enzymes in buffalo rumen metagenome and that of cellulases and hemicellulas

164 We also assessed the rumen metagenome of heifers, and we show that it is domi

165 glycoside hydrolase (GH) profile of buffalo rumen metagenome with cow rumen, termite hindgut and chi

166 On the other hand, the two GH43 ABNs from rumen metagenome, ARN2 and ARN3, presented a calcium-ind

167 eteromannans and whose genes are abundant in rumen metagenomes and metatranscriptomes.

168 Here, we mine 975 published rumen metagenomes for viral sequences, create a global r

169 plasmid databases and two recently published rumen metagenomes, it became apparent that the rumen pla

170 of protozoa and fungi within more than 1000 rumen metagenomes, revealing a greater genomic diversity

171 rumen MAGs increases the rate of mapping of rumen metagenomic sequencing reads from 15% to 50-70%.

172 tudy investigated the fluctuations of bovine rumen metaproteome utilizing three mid to late-lactation

173 ed to its N terminus (CrMan26) from a cattle rumen metatranscriptome.

174 Rumen methane emission was linearly decreased by 3NOP, a

175 These results identify a discrete set of rumen methanogens whose methanogenesis pathway transcrip

176 Cow rumen microbes specialize in degradation of cellulosic p

177 rogenation of polyunsaturated fatty acids by rumen microbes.

178 ighted a statistically significant effect on rumen microbial abundance profiles and a previously unob

179 ps: (1) the cow genome directly affects both rumen microbial abundances and feed efficiency traits; (

180 ke (RFI) records, SNP genotype, and 16S rRNA rumen microbial abundances from 448 mid-lactation Holste

181 o directly interrogate the role of early gut/rumen microbial colonization on GIT development or host

182 markably similar assignment, suggesting that rumen microbial communities of pre-ruminant calves maint

183 effect of feed-induced acidosis on both the rumen microbial community and liver metabolism.

184 nd the role of prolonged ruminal acidosis on rumen microbial community or host health in young calves

185 edge of protein-mediated pathways within the rumen microbial community, and no previous research has

186 ies used to assemble a highly complex cattle rumen microbial community, and provide a comparison to s

187 rrelations between methane emissions and the rumen microbial community, as measured by qPCR of 16S or

188 tritional intervention determine the initial rumen microbial community, but the persistence of these

189 n of biological features in a highly complex rumen microbial community.

190 ermination of phage life cycle states in the rumen microbial community.

191 ard type to influence the composition of the rumen microbial community.

192 his is evidenced by a profound difference in rumen microbial composition between the two age groups.

193 d optimal MER levels and characterised their rumen microbial composition by performing shotgun metage

194 In this study, the rumen microbial composition of late lactation dairy cows

195 ity, whereas natural rearing accelerated the rumen microbial development and facilitated the transiti

196 Manipulation of the rumen microbial ecosystem in early life may affect rumin

197 in both the human colonic microbiome and the rumen microbial ecosystem.

198 We assembled 4,941 rumen microbial metagenome-assembled genomes (MAGs) usin

199 Analyses of rumen microbial metatranscriptomes confirm the expressio

200 hanism involves an interrelationship between rumen microbial processes and tissue metabolism.

201 thesized that there would be fluctuations of rumen microbial protein abundances due to feed intake-me

202 species, which underlines the complexity of rumen microbial responses to dietary fatty acids.

203 changes along with its correlation with the rumen microbial rRNA expression changes in young calves

204 lated genes had significant correlation with rumen microbial rRNA expression changes.

205 This genome will be useful for rumen microbiology and cellulosome biology and in biofue

206 significantly altered the composition of the rumen microbiome (P = 0.024).

207 -evaluated in order to accommodate necessary rumen microbiome acclimation.

208 less-characterized environments such as the rumen microbiome and proves more accurate than available

209 Here, we addressed these questions in the rumen microbiome ecosystem - a complex microbial communi

210 We analyse the development of the rumen microbiome from birth to adulthood using 16S-rRNA

211 However, the rumen microbiome is also responsible for the production

212 The rumen microbiome is critical to nutrient utilization and

213 composition and functional potential of the rumen microbiome of African cattle.

214 ect of sub-optimal restricted feeding on the rumen microbiome of African Zebu cattle remains largely

215 The genomic information from the rumen microbiome of an indigenous African cattle breed s

216 Exploring the temporal stability of rumen microbiome profiles is imperative, as it enables e

217 of the abomasal parasite O. ostertagi on the rumen microbiome remains unexplored.

218 Rumen microbiome represents rich source of enzymes degra

219 -diversity (P = 0.005) and predictive of the rumen microbiome signature at week 10 (R(2) = 0.48; P =

220 Rumen microbiome stability did not occur until approxima

221 riods required to reach stabilization of the rumen microbiome that could provide more accurate result

222 Although the contribution of the rumen microbiome to production efficiency in dairy cows

223 e composition, ecology and metabolism of the rumen microbiome, and the impact on host physiology and

224 losome functional genes revealed that in the rumen microbiome, initial colonization of fiber appears

225 tic elements in shaping the resistome of the rumen microbiome, with implications for human and animal

226 ining white clover on the composition of the rumen microbiome.

227 iruses present or their interaction with the rumen microbiome.

228 nants through artificial manipulation of the rumen microbiome.

229 tigate the forces that drive the assembly of rumen microbiomes throughout a cow's life, with emphasis

230 rtheless, no correlations were found between rumen microbiota and productive outcomes.

231 Our results provide insight into rumen microbiota dynamics and will facilitate efforts in

232 The genomes of the rumen microbiota encode thousands of enzymes adapted to

233 These regions were associated with the rumen microbiota in multiple ways; some (chromosome 19;

234 teroidetes was the predominant phylum in the rumen microbiota of 42-day-old calves, representing 74.8

235 The rumen microbiota of pre-ruminant calves displayed a cons

236 In this study, we characterized the rumen microbiota of pre-ruminant calves fed milk replace

237 aternal versus artificial rearing shapes the rumen microbiota using 24 sets of triplet lambs.

238 The dazzling functional diversity of the rumen microbiota was reflected by identification of 8298

239 m high-dimensional metataxonomic data of the rumen microbiota without overfitting.

240 reflected previously reported literature on rumen microbiota, rather than those found in horses.

241 lated data, ignoring the predicting power of rumen microbiota, the source of CH(4).

242 e which requires better understanding of the rumen microbiota.

243 anding of the structure and functions of the rumen microbiota.

244 The presence of all major types of rumen microorganisms suggests that the rumen of pre-rumi

245 disease in lactating cows included decreased rumen motility, changes to milk appearance and productio

246 fication were significantly increased in the rumen of AB steers.

247 , E. coli O157:H7 was not recovered from the rumen of any of the six animals treated with probiotic b

248 t continents and a R. bromii strain from the rumen of Australian cattle.

249 e report 1200 newly discovered MAGs from the rumen of Boran cattle.

250 rectally to steers or administered into the rumen of cattle dually cannulated at the rumen and duode

251 We detected AHLs in the rumen of cattle fed a hay diet, and these AHLs activated

252 robacter succinogenes S85, isolated from the rumen of herbivores, is capable of robust lignocellulose

253 EPA concentration in the rumen of lambs fed FD was about 50% higher than lambs fe

254 der of plant structural carbohydrates in the rumen of mammals, uses a portfolio of more than 220 diff

255 es of rumen microorganisms suggests that the rumen of pre-ruminant calves may not be rudimentary.

256 ther beneficial bacteria are enriched in the rumen of SARA-tolerant goats.

257 The rumen of sheep and cattle represents a mobile, self-sust

258 l sequence of microbial establishment in the rumen of the neonatal ruminant has important ecological

259 e, Lake- and Lactobacillales-Derived), ROOL (Rumen-Originating, Ornate, Large) and OLE (Ornate Large

260 wo natural RNA nanocages formed by the ROOL (rumen-originating, ornate, large) lncRNA found in bacter

261 At week 5, rumen pH was correlated with alpha-diversity (P = 0.005)

262 Feed intake, rumen pH, fluid pool size, and fluid passage rate were u

263 eing associated with members of the dominant rumen phyla (Firmicutes and Proteobacteria).

264 p, and goats, predominantly ferment in their rumen plant material to acetate, propionate, butyrate, C

265 loped a procedure for the isolation of total rumen plasmid DNA, termed rumen plasmidome, and subjecte

266 men metagenomes, it became apparent that the rumen plasmidome codes for functions, which are enriched

267 Evidently, the rumen plasmidome is of a highly mosaic nature that can c

268 en we compared the functional profile of the rumen plasmidome to two plasmid databases and two recent

269 isolation of total rumen plasmid DNA, termed rumen plasmidome, and subjected it to deep sequencing us

270 s key enzyme in two abundant bacteria of the rumen (Prevotella brevis and Prevotella ruminicola).

271 Differences in the rumen prokaryotic communities disappear later in life wh

272 on we predicted and annotated a large set of rumen proteins.

273 demonstrated DT104 hyperinvasion mediated by rumen protozoa (RPz) that are normal flora of cattle.

274 ine and tested in vitro for their effects on rumen protozoa and fermentation parameters.

275 eaning, lambs reared on milk replacer had no rumen protozoa and lower microbial diversity, whereas na

276 Ionophore dietary supplements that inhibit rumen protozoa may provide such a selective advantage fo

277 i O157:H7 was detected intermittently in the rumen samples from all control animals throughout 3 week

278 gigabase sequences of metagenomic data from rumen samples of Mehsani buffaloes fed on different prop

279 Membrane-building Structure (PMS) around the rumen side of ring cells.

280 The rumen simulation technique was used to investigate the e

281 a, two of which represent previously unknown rumen species, assembled from long-read data.

282 first to identify 1200 high-quality African rumen-specific MAGs and provides further insight into th

283 The human strains, but not the rumen strain, also possess transporters that allow growt

284 lation, consistent with their known roles as rumen symbionts in domestic livestock.

285 profile of buffalo rumen metagenome with cow rumen, termite hindgut and chicken caecum metagenome.

286 that have a specialized digestive organ, the rumen, that carries out the initial digestion of plant m

287 Correspondingly, the rumen tissues of the same animals were measured with the

288 cyl homoserine lactones (AHLs) in the bovine rumen to activate expression of the glutamate acid resis

289 nes (AHLs) produced by the microbiota in the rumen to activate the gad acid resistance genes necessar

290 absorption of volatile fatty acids from the rumen to increase energy availability to the host.

291 Our study provides insight into host rumen transcriptome changes associated with prolonged ac

292 intake and heat stress, there are shifts in rumen VFA dynamics and in the capacity of the rumen epit

293 genomes for viral sequences, create a global rumen virome database (RVD), and analyze the rumen virom

294 rumen virome database (RVD), and analyze the rumen virome for diversity, virus-host linkages, and pot

295 ubstantially increases the detection rate of rumen viruses from metagenomes compared with IMG/VR V3.

296 robial origin, respectively, from silage and rumen, was determined by GC-MS and confirmed by (1)H NMR

297 d phylotype, and metabolic potentials in the rumen were markedly different with respect to nutrient u

298 population in the environment of the bovine rumen, which houses a complex and dense microbiota that

299 are exposed to environmental changes in the rumen, which stimulate resumption of development.

300 chlorate was metabolized, most likely in the rumen, which would provide cattle with a degree of refra

301 EHEC was cleared from the rumen within days and from the RAJ mucosa after approxim