Abstract:
:Four plant tumorigenic strains 932, 1019, 1078T and 1081 isolated from cane gall tumors on thornless blackberry (Rubus sp.) were characterized. They shared low sequence identity with related Rhizobium spp. based on comparisons of 16S rRNA gene (≤98%) and housekeeping genes atpD, recA and rpoB (<90%). Phylogenetic analysis indicated that the strains studied represent a novel species within the genus Rhizobium, with Rhizobium tubonense CCBAU 85046T as their closest relative. Furthermore, obtained average nucleotide identity (ANI) and in silico DNA-DNA hybridization (DDH) values calculated for whole-genome sequences of strain 1078T and related Rhizobium spp. confirmed the authenticity of the novel species. The ANI-Blast (ANIb), ANI-MUMmer (ANIm) and in silico DDH values between strain 1078T and most closely related R. tubonense CCBAU 85046T were 76.17%, 84.11% and 21.3%, respectively. The novel species can be distinguished from R. tubonense based on phenotypic and chemotaxonomic properties. Here, we demonstrated that four strains studied represent a novel species of the genus Rhizobium, for which the name Rhizobium tumorigenes sp. nov. is proposed (type strain 1078T = DSM 104880T = CFBP 8567T). R. tumorigenes is a new plant tumorigenic species carrying the tumor-inducing (Ti) plasmid.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Kuzmanović N,Smalla K,Gronow S,Puławska Jdoi
10.1038/s41598-018-27485-zsubject
Has Abstractpub_date
2018-06-13 00:00:00pages
9051issue
1issn
2045-2322pii
10.1038/s41598-018-27485-zjournal_volume
8pub_type
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