ArticleApplied and environmental microbiology2015
Transcriptomic analysis of xylan utilization systems in Paenibacillus sp. strain JDR-2.
Article in Applied and environmental microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- Comparative genomic analysis of hemicellulose-degrading potential in bacterial isolates from the anterior intestine of Eisenia andrei (Bouché, 1972).Archives of microbiology · 2026Article
- Harnessing the power of Bacillus subtilis MR42: direct production of defined xylooligosaccharides (XOS) from corn stalks with enhanced prebiotic properties.Microbial cell factories · 2025Article
- Comprehensive Genome Analysis of Cellulose and Xylan-Active CAZymes from the GenusMicrobiology spectrum · 2023Article
- Bacterial xylan utilization regulons: systems for coupling depolymerization of methylglucuronoxylans with assimilation and metabolism.Journal of industrial microbiology & biotechnology · 2022Article
- Genome analysis of Paenibacillus polymyxa A18 gives insights into the features associated with its adaptation to the termite gut environment.Scientific reports · 2019Article
- A Highly Efficient Xylan-Utilization System inFrontiers in microbiology · 2018Article
- Metatranscriptomics Reveals the Active Bacterial and Eukaryotic Fibrolytic Communities in the Rumen of Dairy Cow Fed a Mixed Diet.Frontiers in microbiology · 2017Article
- Genomic and transcriptomic analysis of carbohydrate utilization by Paenibacillus sp. JDR-2: systems for bioprocessing plant polysaccharides.BMC genomics · 2016Article
- A 1,3-1,4-β-Glucan Utilization Regulon in Paenibacillus sp. Strain JDR-2.Applied and environmental microbiology · 2016Article
- Metagenomic and metaproteomic analyses of a corn stover-adapted microbial consortium EMSD5 reveal its taxonomic and enzymatic basis for degrading lignocellulose.Biotechnology for biofuels · 2016Article
- Functional diversity and properties of multiple xylanases from Penicillium oxalicum GZ-2.Scientific reports · 2015Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Xylans, including methylglucuronoxylans (MeGX(n)) and methylglucuronoarabinoxylans (MeGAXn), are the predominant polysaccharidesin hemicellulose fractions of dicots and monocots available for conversion to biofuels and chemicals. Paenibacillus sp. strain JDR-2 (Pjdr2) efficiently depolymerizes MeGX(n) and MeGAX(n) and assimilates the generated oligosaccharides, resulting in efficient saccharification and subsequent metabolism of these polysaccharides. A xylan utilization regulon encoding a cellassociated GH10 (glycoside hydrolase family 10) endoxylanase, transcriptional regulators, ABC (ATP binding cassette) transporters, an intracellular GH67 -glucuronidase, and other glycoside hydrolases contributes to complete metabolism. This GH10/GH67 system has been proposed to account for preferential utilization of xylans compared to free oligo- and monosaccharides. To identify additional genes contributing to MeGX(n) and MeGAXn utilization, the transcriptome of Pjdr2 has been sequenced following growth on each of these substrates as well as xylose and arabinose. Increased expression of genes with different substrates identified pathways common or unique to the utilization of MeGX(n) or MeGAX(n). Coordinate upregulation of genes comprising the GH10/GH67 xylan utilization regulon is accompanied with upregulation of genes encoding a GH11 endoxylanase and a GH115 -glucuronidase, providing evidence for a novel complementary pathway for processing xylans. Elevated expression of genes encoding a GH43 arabinoxylan arabinofuranohydrolase and an arabinose ABC transporter on MeGAX(n) but not on MeGX(n) supports a process in which arabinose may be removed extracellularly followed by its rapid assimilation.Further development of Pjdr2 for direct conversion of xylans to targeted products or introduction of these systems into fermentative strains of related bacteria may lead to biocatalysts for consolidated bioprocessing of hemicelluloses released from lignocellulose.
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