Abstract
Argentinian catharanthus little leaf phytoplasma (ACLL) was found naturally infecting Daucus carota L. (carrot), Catharanthus roseus (LG Don) (periwinkle) and wild Matricaria chamomilla L. (chamomile). All infected plants showed symptoms of yellowing, little leaf and internodes shortening. Flower scape distortion, malformations of umbels and roots were observed in infected carrots and witches´ broom in chamomile. Only periwinkles showed virescence and phyllody. On the basis of RFLP analyses of partial 16S rDNA, ribosomal protein rpl22 and tuf (EF-Tu) genes, ACLL phytoplasma was classified in group 16SrI (‘Ca. Phytoplasma asteris’), new subgroup 16SrI-S (rr-rp) tuf-H. All ACLL phytoplasma strains have 16S rRNA interoperon sequence heterogeneity as shown by PCR-RFLP and nucleotide sequence analyses. Phylogenetic analysis using 16S rDNA sequences clustered ACLL phytoplasma strains into a new phylogenetic lineage within group 16SrI.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
