A phytoplasma survey reveals the presence of ‘Candidatus Phytoplasma fragariae’ in Ulmus spp. and Acer pseudoplatanus in Belgium

Kris De Jonghe, Thomas Goedefroit, Anne-Marie Deeren, Frédéric Fauche, Stéphan Steyer

Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikel

Uittreksel

A Belgium-wide survey to determine the presence of ‘Candidatus Phytoplasma ulmi’ elm trees 18 was performed on nearly 600 elm trees. The randomly sampled elms were screened for the 19 presence of phytoplasmas using a standard generic nested PCR method. In five symptomless 20 elm trees, phytoplasmas were detected. Multiple gene sequence analysis (16S rRNA, tuf, rplV-21 rpsC-rplP), virtual RFLP of the 16S rRNA gene fragment, and phylogenetic analysis showed that 22 the phytoplasma strains detected in all five elm trees could be classified in the 16SrXII-E 23 subgroup (‘Candidatus Phytoplasma fragariae’ - related phytoplasma). In addition, a maple tree (Acer pseudoplatanus) located in close proximity to one of these elm trees was also determined to be infected with ‘Ca. P. fragariae’. Ulmus and Acer are new host plant genera for this phytoplasma. Further studies are needed to elucidate the epidemiological impact of these findings.
TaalEngels
Artikel nummer2020;00:e12635
TijdschriftForest Pathology
Volume50
Exemplaarnummer5
Pagina's (van-tot)1-6
Aantal pagina's6
ISSN1437-4781
DOI's
StatusGepubliceerd - 15-okt-2020

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