AI Article Synopsis
- In 2015, researchers identified peach-colored actinobacterial strains from healthy tomato plants in Iran, which are non-pathogenic and distinct from known tomato pathogens.
- The strains were found to belong to a new species based on biochemical tests and advanced genetic analysis, confirming they are different from all previously described species.
- The study formally proposes the name *[new species name not provided]* sp. nov. for these strains, with one strain designated as the type strain.
Article Abstract
In 2015, Gram-positive peach-coloured actinobacterial strains were isolated from symptomless tomato phyllosphere in Iran. Biochemical and physiological characteristics, as well as 16S rRNA phylogeny showed that the strains belong to sp., while they were non-pathogenic on the host of isolation, and morphologically distinct from the tomato pathogen and other plant-associated bacteria. Multilocus sequence analysis of five housekeeping genes showed that the two peach-coloured strains CFBP 8615 (Tom532) and CFBP 8616 (Tom495) were phylogenetically distinct from all validly described species. Whole genome sequence-based indices, i.e. average nucleotide identity (orthoANI) and digital DNA-DNA hybridization (dDDH), showed that the two peach-colored strains share nearly 100 % orthoANI value with one another, while they differ from all validly described species with the orthoANI/dDDH values <93 % and <50 %, respectively. Thus, based on both phenotypic features and orthoANI/dDDH indices the peach-coloured strains could belong to a new species within . In this study, we provide a formal species description for the peach-coloured tomato-associated strains. sp. nov. is proposed for the new species with Tom532 = CFBP 8615 = ICMP 22100 as type strain.
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| http://dx.doi.org/10.1099/ijsem.0.006022 | DOI Listing |
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