Unknown

Dataset Information

0

Telomere-targeted retrotransposons in the rice blast fungus Magnaporthe oryzae: agents of telomere instability.


ABSTRACT: The fungus Magnaporthe oryzae is a serious pathogen of rice and other grasses. Telomeric restriction fragments in Magnaporthe isolates that infect perennial ryegrass (prg) are hotspots for genomic rearrangement and undergo frequent, spontaneous alterations during fungal culture. The telomeres of rice-infecting isolates are very stable by comparison. Sequencing of chromosome ends from a number of prg-infecting isolates revealed two related non-LTR retrotransposons (M. oryzae Telomeric Retrotransposons or MoTeRs) inserted in the telomere repeats. This contrasts with rice pathogen telomeres that are uninterrupted by other sequences. Genetic evidence indicates that the MoTeR elements are responsible for the observed instability. MoTeRs represent a new family of telomere-targeted transposons whose members are found exclusively in fungi.

SUBMITTER: Starnes JH 

PROVIDER: S-EPMC3374306 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

altmetric image

Publications

Telomere-targeted retrotransposons in the rice blast fungus Magnaporthe oryzae: agents of telomere instability.

Starnes John H JH   Thornbury David W DW   Novikova Olga S OS   Rehmeyer Cathryn J CJ   Farman Mark L ML  

Genetics 20120323 2


The fungus Magnaporthe oryzae is a serious pathogen of rice and other grasses. Telomeric restriction fragments in Magnaporthe isolates that infect perennial ryegrass (prg) are hotspots for genomic rearrangement and undergo frequent, spontaneous alterations during fungal culture. The telomeres of rice-infecting isolates are very stable by comparison. Sequencing of chromosome ends from a number of prg-infecting isolates revealed two related non-LTR retrotransposons (M. oryzae Telomeric Retrotransp  ...[more]

Similar Datasets

| S-EPMC5239798 | biostudies-literature
| S-EPMC2654668 | biostudies-literature
| S-EPMC4021558 | biostudies-literature
| S-EPMC1635262 | biostudies-literature
| S-EPMC7379127 | biostudies-literature
| S-EPMC5817273 | biostudies-literature
| S-EPMC4143928 | biostudies-literature
| S-EPMC4825015 | biostudies-literature
| S-EPMC5575296 | biostudies-literature
| S-EPMC4391826 | biostudies-literature