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Phytoplasma: phytopathogenic mollicutes.
During the past decade, research has yielded new knowledge about the plant and insect host ranges, geographical distribution, and phylogenetic relationships of phytoplasmas, and a taxonomic system
Phylogeny of mycoplasmalike organisms (phytoplasmas): a basis for their classification
It is proposed that MLOs should be represented taxonomically at the minimal level of genus and that each phylogenetically distinct MLO subclade identified should represent at least a distinct species under this new genus.
'Candidatus Phytoplasma asteris', a novel phytoplasma taxon associated with aster yellows and related diseases.
Aster yellows (AY) group (16SrI) phytoplasmas are associated with over 100 economically important diseases worldwide and represent the most diverse and widespread phytoplasma group. Strains that
Classification of aster yellows-group phytoplasmas based on combined analyses of rRNA and tuf gene sequences.
The taxonomic distinction of AY-subgroups 16SrI-A, -B, -C, -D, -E, -F, -K and -N appears to be substantial, on the basis of combined analyses of rDNA and tuf gene sequences.
"Candidatus phytoplasma australiense," a new phytoplasma taxon associated with Australian grapevine yellows.
A phylogenetic tree constructed on the basis of 16S rRNA gene sequences was consistent with the hypothesis that there was divergent evolution of Australian grapevine yellows phytoplasma and its closet known relative, European stolbur phy toplasma (subgroup 16SrI-G), from a common ancestor.
Genomic diversity and differentiation among phytoplasma strains in 16S rRNA groups I (aster yellows and related phytoplasmas) and III (X-disease and related phytoplasmas).
It is proposed that phytoplasma strains belonging to each group I and III subgroup should be distinguished taxonomically at a level equivalent to the subspecies level.
The phytoplasma associated with ash yellows and lilac witches'-broom: 'Candidatus phytoplasma fraxini'.
The AshY phytoplasma group is coherent but heterogeneous, and the name 'Candidatus Phy toplasma fraxini' is proposed for this group.
Phylogenetic analysis and delineation of phytoplasmas based on secY gene sequences.
The secY gene sequence is more useful genetic marker than the 16S rRNA gene for finer differentiation of closely related phytoplasma strains based on RFLP analysis with selected restriction enzymes and this study revealed two heterogeneous spc operons present in the phy toplasma clade.
Mn(II) Oxidation Is Catalyzed by Heme Peroxidases in “Aurantimonas manganoxydans” Strain SI85-9A1 and Erythrobacter sp. Strain SD-21
ABSTRACT A new type of manganese-oxidizing enzyme has been identified in two alphaproteobacteria, “Aurantimonas manganoxydans” strain SI85-9A1 and Erythrobacter sp. strain SD-21. These proteins were
Spliced leader RNA trans-splicing in metazoa.
  • R. Davis
  • Biology, Medicine
    Parasitology today
  • 1996
Current knowledge of the distribution, substrates, specificity and functional significance of trans-splicing in metazoa is described by Dick Davis.