Eubacterium maltosivorans SA11

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Introduction

Eubacterium maltosivorans SA11

Eubacterium maltosivorans SA11 (formerly Eubacterium limosum, and sheep acetogen SA11) was isolated from the rumen of a New Zealand sheep grazing fresh forage [1]. SA11 is a metabolically versatile bacterium able to grow on a wide variety of compounds including CO2/H2, formate, glucose, fructose, xylose, ribose, maltose, pyruvate, L-lactate, methanol, vanillate, syringate, and 3,4,5-trimethoxybenzoatehexoses. Acetate and butyrate are the main fermentation end products [2]. A feature of the SA11 genome is the presence of multiple copies of genes encoding trimethylamine methyltransferase family proteins (COG5598). SA11 has 39 genes in this category, but in most cases their substrate is not known. The genome contains a 55 kb prophage and genes required for the metabolism of 1,2 propanediol.

The SA11 genome consists of a single 4,150,332 bp circular chromosome [2].

LPSN: Eubacterium maltosivorans Feng et al. 2018

NCBI: Eubacterium maltosivorans

GTDB: Eubacterium maltosivorans. SA11 groups with the type strain of E. maltosivorans (Y1, DSM 105863) [3].

Risk group: 1

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[1] Joblin KN. 1999. Ruminal acetogens and their potential to lower ruminant methane emissions. Aust J Agric Res 50:1307–13. doi:  10.1071/AR99004.

[2] Kelly WJ, Henderson G, Pacheco DM, Li D, Reilly K, Naylor GE, Janssen PH, Attwood GT, Altermann E, Leahy SC. 2016. The complete genome sequence of Eubacterium limosum SA11, a metabolically versatile rumen acetogen. Stand Genomic Sci 11: 26. doi: 10.1186/s40793-016-0147-9

[3] Feng Y, Stams AJM, Sanchez-Andrea I, de Vos WM. 2018. Eubacterium maltosivorans sp. nov., a novel human intestinal acetogenic and butyrogenic bacterium with a versatile metabolism. Int J Syst Evol Microbiol 68: 3546–3550. doi: 10.1099/ijsem.0.003028.