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Polymorphisms in nuclear rDNA and mtDNA reveal the polyphyletic nature of isolates of Phomopsis pathogenic to sunflower and a tight monophyletic clade of defined geographic origin.
- D. Rekab, G. del Sorbo, C. Reggio, A. Zoina, G. Firrao
- Biology, Medicine
- Mycological research
- 1 April 2004
The molecular diversity of Diaporthe helianthi (anamorph Phomopsis helianthi), the causal agent of sunflower stem canker, was studied in 16 isolates of different geographic origin using nuclear and… Expand
Geminivirus-related extrachromosomal DNAs of the X-clade phytoplasmas share high sequence similarity.
Southern blot hybridization analysis revealed that the extrachromosomal DNAs (EC-DNAs) associated with Vaccinium witches' broom (VAC) and walnut witches' broom phytoplasmas and various strains of the… Expand
Evolutionary analysis of endopolygalacturonase-encoding genes of Botrytis cinerea.
- Emanuele Cettul, D. Rekab, R. Locci, G. Firrao
- Medicine, Biology
- Molecular plant pathology
- 1 September 2008
Sequence analysis of five of the six endopolygalacturonase-encoding genes (Bcpg1, Bcpg2, Bcpg3, Bcpg4, Bcpg5) from 32 strains of Botrytis cinerea showed marked gene to gene differences in the amount… Expand
On the apple proliferation symptom display and the canopy colonization pattern of “Candidatus Phytoplasma mali” in apple trees
- D. Rekab, G. Pirajno, Emanuele Cettul, F. Salvador, G. Firrao
- European Journal of Plant Pathology
- 5 February 2010
Notwithstanding the availability of several different real time PCR protocols for “Candidatus Phytoplasma mali”, it is still unclear how informative is the estimation of the concentration of… Expand
A NOVEL GENE CODING FOR AN ABC TRANSPORTER IN BOTRYTIS CINEREA (BOTRYOTINIA FUCKELIANA) IS INVOLVED IN RESISTANCE TO H2O2
SUMMARY ATP-binding cassette (ABC) transporters are a large superfamily of proteins responsible for the ATP-dependent translocation of a wide variety of different endogenous and exogenous toxicants… Expand
PCR-mediated whole genome amplification of phytoplasmas.
- M. García-Chapa, A. Batlle, D. Rekab, M. Rosquete, G. Firrao
- Biology, Medicine
- Journal of microbiological methods
- 1 February 2004
A method was developed for genome analysis of phytoplasmas, bacterial plant pathogens that cannot be cultivated in vitro in cell-free media. The procedure includes a CsCl-bisbenzimide gradient… Expand
Mitochondrial plasmids of the pCp family are spread worldwide in Cryphonectria parasitica populations
A worldwide collection of strains of Cryphonectria parasitica was examined to draw a precise picture of the incidence and diversity of mitochondrial plasmids related to the plasmid pUG1.… Expand
Analysis of genetic variability in the phytopathogenic fungus Diaporthe helianthi
An endopolygalacturonase gene of Diaporthe helianthi
In an attempt to define virulence determinants of Diaporthe helianthi, the causative agent of sunflower stem canker, the gene named Dhpg , coding for an endopolygalacturonase, was investigated in the… Expand