Temporal changes of the bacterial community colonizing wheat straw in the cow rumen

Jin, Wei; Wang, Ying; Li, Yuanfei; Cheng, Yanfen; Zhu, Weiyun

doi:10.1016/j.anaerobe.2018.01.004

Cited by 23 publications

(13 citation statements)

References 28 publications

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“…Bacteroidetes and Firmicutes were the two most abundant phyla colonizing forages irrespective of their chemical compositions. This is in accordance with data reported for rice straw, wheat straw, and alfalfa hay which were in situ incubated in the cow rumen (Jin et al, 2018;Liu et al, 2016). The third most abundant phylum colonizing forages were Proteobacteria accounting for more than 18% of reads, which is quite high.…”

Section: Discussionsupporting

confidence: 91%

Supplemental Information 1: Disappearance curves for the six different lignocellulosic forages as a function of incubation time (A-F)

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Section: Discussionsupporting

confidence: 91%

Supplemental Information 1: Disappearance curves for the six different lignocellulosic forages as a function of incubation time (A-F)

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“…2016) and wheat straw (Jin et al . 2018). In all of these studies, the fiber in the bags was washed and only the fiber-adherent microbial population was studied (via DNA extraction and 16S rRNA sequencing).…”

Section: Temporal Dynamics Of Fiber Degradationmentioning

confidence: 99%

“…On wheat straw, Prevotella, Succiniclasticum, Butyrivibrio and Ruminococcus were dominant (Jin et al . 2018). On rice straw and alfafa, Prevotella, Butyrivibrio, Ruminococcus, Fibrobacter and Treponema spp.…”

Section: Temporal Dynamics Of Fiber Degradationmentioning

confidence: 99%

Islands in the stream: from individual to communal fiber degradation in the rumen ecosystem

Moraïs

Mizrahi

2019

FEMS Microbiology Reviews

103

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The herbivore rumen ecosystem constitutes an extremely efficient degradation machinery for the intricate chemical structure of fiber biomass, thus, enabling the hosting animal to digest its feed. The challenging task of deconstructing and metabolizing fiber is performed by microorganisms inhabiting the rumen. Since most of the ingested feed is comprised of plant fiber, these fiber-degrading microorganisms are of cardinal importance to the ecology of the rumen microbial community and to the hosting animal, and have a great impact on our environment and food sustainability. We summarize herein the enzymological fundamentals of fiber degradation, how the genes encoding these enzymes are spread across fiber-degrading microbes, and these microbes' interactions with other members of the rumen microbial community and potential effect on community structure. An understanding of these concepts has applied value for agriculture and our environment, and will also contribute to a better understanding of microbial ecology and evolution in anaerobic ecosystems.

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“…Rumen fluid samples were thawed at 4°C and transferred 1 ml to sterilized 1.5-ml centrifuge tube. The DNA was suspended in 50 μl Tris-EDTA buffer, and its concentration and quality were checked by NanoDrop TM 8000 Microvolume UV-Vis spectrophotometer (Thermo Scientific, U.S.A) (Jin, Wang, Li, Cheng, & Zhu, 2018). Intracellular deoxyribonucleic acid was isolated using a repeated bead beating plus column method according to Yu Morrison (2004).…”

Section: Sample Analysismentioning

confidence: 99%

“…Intracellular deoxyribonucleic acid was isolated using a repeated bead beating plus column method according to Yu Morrison (2004). The DNA was suspended in 50 μl Tris-EDTA buffer, and its concentration and quality were checked by NanoDrop TM 8000 Microvolume UV-Vis spectrophotometer (Thermo Scientific, U.S.A) (Jin, Wang, Li, Cheng, & Zhu, 2018). The DNAs were stored at −80°C until required.…”

Section: Sample Analysismentioning

confidence: 99%

Effects of over‐load iron on nutrient digestibility, haemato‐biochemistry, rumen fermentation and bacterial communities in sheep

Wang

Jiang

Zhang

et al. 2019

Animal Physiology Nutrition

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There is a risk of iron overload in grazing livestock. However, the effects on nutrient absorption and rumen function induced by excessive iron have not been well understood. Therefore, the purpose of present study was to investigate the impact of over-load iron on growth performance, nutrient digestibility, blood biochemistry, rumen fermentation and bacterial communities in sheep. Twenty-four German Mutton Merino cross-bred sheep with weight (42.66 ± 2.34 kg BW) were randomly divided into 4 groups, each with 6 replicates and 1 sheep per replicate. The basal diet consisted of 60% Leymus chinensis hay and 40% concentrate. The sheep in 4 groups were fed the basal diets supplemented with 50 (Control), 500 (T1), 1,000 (T2) and 1,500 (T3) mg Fe/kg as ferrous sulphate monohydrate (FeSO 4 ·H 2 O) respectively.And the actual contents of iron in the diet were determined to be 457.68 (control), 816.42 (T1), 1,256.78 (T2) and 1,725.63 (T3) mg/kg respectively. The experiment lasted 62 days including a 7-day metabolism trial. During the whole experiment, the digestibility of dry matter, organic matter, neutral detergent fibre and acid detergent fibre showed a quadratic increase with increasing over-load iron levels (p < .05), and

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Temporal changes of the bacterial community colonizing wheat straw in the cow rumen

Cited by 23 publications

References 28 publications

Supplemental Information 1: Disappearance curves for the six different lignocellulosic forages as a function of incubation time (A-F)

Supplemental Information 1: Disappearance curves for the six different lignocellulosic forages as a function of incubation time (A-F)

Islands in the stream: from individual to communal fiber degradation in the rumen ecosystem

Effects of over‐load iron on nutrient digestibility, haemato‐biochemistry, rumen fermentation and bacterial communities in sheep

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