Abstract

The draft genome sequence of Clostridium sp. Ne2 was reconstructed from a metagenome of a hydrogenogenic microbial consortium. The organism is most closely related to Clostridium magnum and is a strict anaerobe that is predicted to ferment a range of simple sugars.

Highlights

  • The draft genome sequence of Clostridium sp

  • The 1 TC consortia was almost exclusively composed of three clostridial taxa: one Clostridium beijerinckii strain (Ne1) [6], one Ruminoclostridium species (Ne3) [7], and, the subject of this paper, Ne2, a taxon most closely related to, but likely distinct from, Clostridium magnum, Clostridium carboxidivorans, and Clostridium ljungdahlii

  • Annotation was performed using IMG-ER (Integrated Microbial Genomes Expert Review) [9], which predicted a total of 4,791 protein-coding genes and 38 structural RNAs

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Summary

Introduction

The draft genome sequence of Clostridium sp. Ne2 was reconstructed from a metagenome of a hydrogenogenic microbial consortium. Subsequent hydrogenogenesis via dark fermentation, requires an array of catabolic enzymes to degrade the hemicelluloses [3] along with hydrogenases [4, 5]. A mixed-microbial culture, called 1 TC, from a worker Nasutitermes exitiosus (collected, 33°45=34ЉS; 150°59=25ЉE) demonstrated commercially significant hydrogen production at 30°C. The 1 TC consortia was almost exclusively composed of three clostridial taxa: one Clostridium beijerinckii strain (Ne1) [6], one Ruminoclostridium species (Ne3) [7], and, the subject of this paper, Ne2, a taxon most closely related to, but likely distinct from, Clostridium magnum, Clostridium carboxidivorans, and Clostridium ljungdahlii.

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