Name: Actibacterium mucosum Lucena et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: mu.co’sum. L. neut. adj. mucosum, slimy, mucous, a property of the colonies

Gender: neuter

Type strain: CECT 7668; DSM 28448; KCTC 23349; R46

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HE590855 Analyse FASTA

Valid publication: Lucena T, Ruvira MA, Garay E, Macian MC, Arahal DR, Pujalte MJ. Actibacterium mucosum gen. nov., sp. nov., a marine alphaproteobacterium from Mediterranean seawater. Int J Syst Evol Microbiol 2012; 62:2858-2864.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 12 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:799-800.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Park et al. 2014 Park S, Park JM, Kang CH, Yoon JH. Confluentimicrobium lipolyticum gen. nov., sp. nov., a novel lipolytic alphaproteobacterium isolated from the junction between the ocean and a freshwater spring, and emended description of Actibacterium mucosum Lucena et al. 2012. Antonie Van Leeuwenhoek 2014; 106:969-977. Oren A, Garrity GM. List of changes in taxonomic opinion no. 21. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2015; 65:7-10.

• Notes:
  • Nomenclatural type of the genus Actibacterium Lucena et al. 2012. Publication: Lucena T, Ruvira MA, Garay E, Macian MC, Arahal DR, Pujalte MJ. Actibacterium mucosum gen. nov., sp. nov., a marine alphaproteobacterium from Mediterranean seawater. Int J Syst Evol Microbiol 2012; 62:2858-2864.
  • The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.

Parent taxon: Actibacterium Lucena et al. 2012

Assigned by: Lucena T, Ruvira MA, Garay E, Macian MC, Arahal DR, Pujalte MJ. Actibacterium mucosum gen. nov., sp. nov., a marine alphaproteobacterium from Mediterranean seawater. Int J Syst Evol Microbiol 2012; 62:2858-2864.

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Record number: 790313