Lonsdalea quercina subsp. populi subsp. nov., isolated from bark canker of poplar trees

Author:

Tóth Tímea1,Lakatos Tamás2,Koltay András3

Affiliation:

1. Research and Extension Centre for Fruit Growing, Vadastag 2, H-4244 Újfehértó, Hungary

2. Nemaform Ltd, Jókai Mór 37, H-4320 Nagykálló, Hungary

3. Hungarian Forest Research Institute, Hegyalja 18, H-3232 Mátrafüred, Hungary

Abstract

Seven Gram-negative bacterial strains were isolated from oozing bark canker of poplar (Populus×euramericana) trees in Hungary. They showed high (>98.3 %) 16S rRNA gene sequence similarity to Lonsdalea quercina ; however, they differed from this species in several phenotypic characteristics. Multilocus sequence analysis based on three housekeeping genes (gyrB, atpD and infB) revealed, and DNA–DNA hybridization analysis confirmed, that this group of bacterial strains forms a distinct lineage within the species Lonsdalea quercina . A detailed study of phenotypic and physiological characteristics confirmed the separation of isolates from poplars from other subspecies of L. quercina ; therefore, a novel subspecies, Lonsdalea quercina subsp. populi, type strain NY060T ( = DSM 25466T = NCAIM B 02483T), is proposed.

Funder

Hungarian North Great Plain Region

Publisher

Microbiology Society

Subject

General Medicine,Ecology, Evolution, Behavior and Systematics,Microbiology

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