Abstract
Herbaspirillum sp. strain RV1423 was isolated from a site contaminated with alkanes and aromatic compounds and harbors the complete pathway for naphthalene degradation. The new features found in RV1423 increase considerably the versatility and the catabolic potential of a genus of bacteria previously considered mainly to be diazotrophic endophytes to plants.
Highlights
Herbaspirillum sp. strain RV1423 was isolated from a site contaminated with alkanes and aromatic compounds and harbors the complete pathway for naphthalene degradation
Bacteria of the Herbaspirillum genus are commonly described as diazotrophic plant endophytes [1, 2], recent studies show their greater versatility
The 16S rRNA gene sequence shows 99% similarity with that of Herbaspirillum lusitanum P6-12, they share only 2,760 ORFs with Ͼ80% similarity, and 1,472 ORFs observed in the genome of strain RV1423 are absent from the genome of strain P6-12
Summary
Herbaspirillum sp. strain RV1423 was isolated from a site contaminated with alkanes and aromatic compounds and harbors the complete pathway for naphthalene degradation. Bacteria of the Herbaspirillum genus are commonly described as diazotrophic plant endophytes [1, 2], recent studies show their greater versatility. Several studies provided insights into the potential role of Herbaspirillum spp. in the biodegradation of fluoranthene [9] and 4-chlorophenol [10]. Even though the versatility of Herbaspirillum spp. becomes more and more evident, to date, all but one genome project [7] have been focused on root-associated endophytic bacteria, while the genomes of Herbaspirillum spp. with catabolic potential remain unexplored.
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