Evidence map›Paper›PMID 24782837›Full record

ArticleFrontiers in microbiology2014

Comparison of transcriptional profiles of Clostridium thermocellum grown on cellobiose and pretreated yellow poplar using RNA-Seq.

Hui Wei, Yan Fu, Lauren Magnusson, John O Baker, Pin-Ching Maness, Qi Xu, Shihui Yang, Andrew Bowersox, Igor Bogorad, Wei Wang and 3 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
4.8field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 52 citations in OpenAlex.

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  18. The LacI family protein GlyR3 co-regulates theBiotechnology for biofuels · 2017
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  20. Biohythane production from organic wastes: present state of art.Environmental science and pollution research international · 2016
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors at 2 institutions in 1 country.

Hui WeiBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
Yan FuCenter for Plant Genomics, Iowa State University Ames, IA, USA.
Lauren MagnussonBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
John O BakerBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
Pin-Ching ManessBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
Qi XuBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
Shihui YangNational Bioenergy Center, National Renewable Energy Laboratory Golden, CO, USA.
Andrew BowersoxBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA ; National Bioenergy Center, National Renewable Energy Laboratory Golden, CO, USA.
Igor BogoradBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
Wei WangBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
Melvin P TuckerNational Bioenergy Center, National Renewable Energy Laboratory Golden, CO, USA.
Michael E HimmelBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
Shi-You DingBiosciences Center, National Renewable Energy Laboratory Golden, CO, USA.
National Renewable Energy Laboratory · USIowa State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The anaerobic, thermophilic bacterium, Clostridium thermocellum, secretes multi-protein enzyme complexes, termed cellulosomes, which synergistically interact with the microbial cell surface and efficiently disassemble plant cell wall biomass. C. thermocellum has also been considered a potential consolidated bioprocessing (CBP) organism due to its ability to produce the biofuel products, hydrogen, and ethanol. We found that C. thermocellum fermentation of pretreated yellow poplar (PYP) produced 30 and 39% of ethanol and hydrogen product concentrations, respectively, compared to fermentation of cellobiose. RNA-seq was used to analyze the transcriptional profiles of these cells. The PYP-grown cells taken for analysis at the late stationary phase showed 1211 genes up-regulated and 314 down-regulated by more than two-fold compared to the cellobiose-grown cells. These affected genes cover a broad spectrum of specific functional categories. The transcriptional analysis was further validated by sub-proteomics data taken from the literature; as well as by quantitative reverse transcription-PCR (qRT-PCR) analyses of selected genes. Specifically, 47 cellulosomal protein-encoding genes, genes for 4 pairs of SigI-RsgI for polysaccharide sensing, 7 cellodextrin ABC transporter genes, and a set of NAD(P)H hydogenase and alcohol dehydrogenase genes were up-regulated for cells growing on PYP compared to cellobiose. These genes could be potential candidates for future studies aimed at gaining insight into the regulatory mechanism of this organism as well as for improvement of C. thermocellum in its role as a CBP organism.

Indexed as

cellobiosecellulosomeClostridium thermocellumethanolhydrogenpretreated yellow poplar (PYP)RNA-Seqtranscriptomics

Identifiers

PMID24782837
PMCPMC3990059
OpenAlexW2123623505

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.