Dataset Information

Genome Sequence of "Candidatus Carsonella ruddii" Strain BT from the Psyllid Bactericera trigonica.

ABSTRACT: The genome of "Candidatus Carsonella ruddii" strain BT from Bactericera trigonica in Israel was sequenced. The full-length genome is 173,904 bp long and has a G+C content of 14.6%, with 224 predicted open reading frames (ORFs) and 30 RNAs.

SUBMITTER: Katsir L

PROVIDER: S-EPMC5786676 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Publications

Genome Sequence of "Candidatus Carsonella ruddii" Strain BT from the Psyllid Bactericera trigonica.

Katsir Leron L Zhepu Ruan R Piasezky Alon A Jiang Jiandong J Sela Noa N Freilich Shiri S Bahar Ofir O

Genome announcements 20180125 4

The genome of "Candidatus Carsonella ruddii" strain BT from Bactericera trigonica in Israel was sequenced. The full-length genome is 173,904 bp long and has a G+C content of 14.6%, with 224 predicted open reading frames (ORFs) and 30 RNAs. ...[more]

PMID: 29371350

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Project description:'Candidatus Liberibacter solanacearum' (Lso) is a phloem-limited bacterium that severely affects important Solanaceae and Apiaceae crops, including potato, tomato, pepper, tobacco, carrot and celery. This bacterium is transmitted to solanaceous species by potato psyllid, Bactericera cockerelli, and to Apiaceae by carrot psyllids, including Trioza apicalis and Bactericera trigonica. Five haplotypes of Lso have so far been described, two are associated with solanaceous species and potato psyllids, whereas the other three are associated with carrot and celery crops and carrot psyllids. Little is known about cross-transmission of Lso to carrot by potato psyllids or to potato by carrot psyllids. Thus, the present study assessed whether potato psyllid can transmit Lso to carrot and whether Lso haplotypes infecting solanaceous species can also infect carrot and lead to disease symptom development. In addition, the stylet probing behavior of potato psyllid on carrot was assessed using electropenetrography (EPG) technology to further elucidate potential Lso transmission to Apiaceae by this potato insect pest. Results showed that, while potato psyllids survived on carrot for several weeks when confined on the plants under controlled laboratory and field conditions, the insects generally failed to infect carrot plants with Lso. Only three of the 200 carrot plants assayed became infected with Lso and developed characteristic disease symptoms. Lso infection in the symptomatic carrot plants was confirmed by polymerase chain reaction assay and Lso in the carrots was determined to be of the haplotype B, which is associated with solanaceous species. EPG results further revealed that potato psyllids readily feed on carrot xylem but rarely probe into the phloem tissue, explaining why little to no Lso infection occurred during the controlled laboratory and field cage transmission trials. Results of our laboratory and field transmission studies, combined with our EPG results, suggest that the risk of Lso infection and spread between psyllid-infested solanaceous and Apiaceae crops is likely to be negligible under normal field conditions.

Dataset Information

Genome Sequence of "Candidatus Carsonella ruddii" Strain BT from the Psyllid Bactericera trigonica.

Publications

Genome Sequence of "<i>Candidatus</i> Carsonella ruddii" Strain BT from the Psyllid <i>Bactericera trigonica</i>.

Similar Datasets

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