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Abstract
Olivibacter sitiensis Ntougias et al. 2007 is a member of the family Sphingobacteriaceae, phylum Bacteroidetes. Members of the genus Olivibacter are phylogenetically diverse and of significant interest. They occur in diverse habitats, such as rhizosphere and contaminated soils, viscous wastes, composts, biofilter clean-up facilities on contaminated sites and cave environments, and they are involved in the degradation of complex and toxic compounds. Here we describe the features of O. sitiensis AW-6T, together with the permanent-draft genome sequence and annotation. The organism was sequenced under the Genomic Encyclopedia for Bacteria and Archaea (GEBA) project at the DOE Joint Genome Institute and is the first genome sequence of a species within the genus Olivibacter. The genome is 5,053,571 bp long and is comprised of 110 scaffolds with an average GC content of 44.61%. Of the 4,565 genes predicted, 4,501 were protein-coding genes and 64 were RNA genes. Most protein-coding genes (68.52%) were assigned to a putative function. The identification of 2-keto-4-pentenoate hydratase/2-oxohepta-3-ene-1,7-dioic acid hydratase-coding genes indicates involvement of this organism in the catechol catabolic pathway. In addition, genes encoding for β-1,4-xylanases and β-1,4-xylosidases reveal the xylanolytic action of O. sitiensis.
Highlights
The genus Olivibacter currently contains six species with validly published names, all of which are aerobic and heterotrophic, non-motile, rodshaped Gram-negative bacteria [1,2,3]
The strain was isolated from alkaline alperujo, an olive mill sludge-like waste produced by two-phase centrifugal decanters located in the vicinity of Toplou Monastery, Sitia, Greece [1]
O. soli and O. ginsengisoli were isolated from soil of a ginseng field [2], O. terrae from a compost prepared of cow manure and rice straw [2], O. oleidegradans from a
Summary
The genus Olivibacter currently contains six species with validly published names, all of which are aerobic and heterotrophic, non-motile, rodshaped Gram-negative bacteria [1,2,3]. Strain AW6T (= DSM 17696T = CECT 7133T = CIP 109529T) is the type strain of Olivibacter sitiensis [1], which is the type species of the genus Olivibacter. The strain was isolated from alkaline alperujo, an olive mill sludge-like waste produced by two-phase centrifugal decanters located in the vicinity of Toplou Monastery, Sitia, Greece [1]. The Neo-Latin species epithet sitiensis pertains to the region Sitia (Crete, Greece) where the olive mill is operating [1]. The other species of the genus are O. soli, O. ginsengisoli, O. terrae, O. oleidegradans and O. jilunii [2,3,4]. O. soli and O. ginsengisoli were isolated from soil of a ginseng field [2], O. terrae from a compost prepared of cow manure and rice straw [2], O. oleidegradans from a
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