http://www.cnr.it/ontology/cnr/individuo/prodotto/ID56826
Striking Diversity of vmp1, a Variable Gene Encoding a Putative Membrane Protein of the Stolbur Phytoplasma (Articolo in rivista)
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- Striking Diversity of vmp1, a Variable Gene Encoding a Putative Membrane Protein of the Stolbur Phytoplasma (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1128/AEM.02613-08 (literal)
- Alternative label
Cimerman, A., Pacifico, D., Salar, P., Marzachi, C., Foissac, X. (2009)
Striking Diversity of vmp1, a Variable Gene Encoding a Putative Membrane Protein of the Stolbur Phytoplasma
in Applied and environmental microbiology (Print); ASM, American society for microbiology, Washington, DC (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Cimerman, A., Pacifico, D., Salar, P., Marzachi, C., Foissac, X. (literal)
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- ISI Web of Science (WOS) (literal)
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- CA, SP, FX: Univ Bordeaux 2, INRA, UMR Genom Diversite Pouvoir Pathogene 1090, F-33883 Villenave Dornon, France
PD, MC: Istituto di Virologia Vegetale, CNR, Torino, Italia (literal)
- Titolo
- Striking Diversity of vmp1, a Variable Gene Encoding a Putative Membrane Protein of the Stolbur Phytoplasma (literal)
- Abstract
- Studies of phytoplasma-insect vector interactions and epidemiological surveys of plant yellows associated
with the stolbur phytoplasma (StolP) require the identification of relevant candidate genes and typing markers.
A recent StolP genome survey identified a partial coding sequence, SR01H10, having no homologue in the
Candidatus Phytoplasma asteris genome but sharing low similarity with a variable surface protein of animal
mycoplasmas. The complete coding sequence and its genetic environment have been fully characterized by
chromosome walking. The vmp1 gene encodes a protein of 557 amino acids predicted to possess a putative
signal peptide and a potential C-terminal transmembrane domain. The mature 57.8-kDa VMP1 protein is
likely to be anchored in the phytoplasma membrane with a large N-terminal hydrophilic part exposed to the
phytoplasma cell surface. Southern blotting experiments detected multiple sequences homologous to vmp1 in
the genomes of nine StolP isolates. vmp1 is variable in size, and eight different vmp1 RsaI restriction fragment
length polymorphism types could be distinguished among 12 StolP isolates. Comparison of vmp1 sequences
revealed that insertions in largest forms of the gene encode an additional copy of a repeated domain of 81
amino acids, while variations in 11-bp repeats led to gene disruption in two StolP isolates. vmp1 appeared to
be much more variable than three housekeeping genes involved in protein translation, maturation, and
secretion and may therefore be involved in phytoplasma-host interactions. (literal)
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