Abstract
A volunteer rye plant ( Secale cereale ) infected by a reticulate spored species of Tilletia was collected in a wheat field in southeastern Idaho in 1993 (WSP 71279). The smut fungus was identified as Tilletia contraversa , the dwarf bunt pathogen of wheat, based on teliospore morphology and stunting of the host. Inoculation studies conducted in the greenhouse confirmed that the rye-infecting bunt was able to infect wheat. A phylogenetic analysis based on the internal transcribed spacer region rDNA, eukaryotic translation elongation factor 1 alpha, and the second largest subunit of RNA polymerase II demonstrated that the rye-infecting bunt was distinct from T. contraversa and the common bunt pathogens of wheat, T. caries and T. laevis . The rye-infecting bunt fits within the species concept of T. secalis , a pathogen of cultivated rye in Europe. The ability of T . contraversa , T. caries and T. laevis to infect rye and of T. secalis to infect wheat has resulted in confusion over the identity of bunts found infecting rye. This study is the first demonstration in North America of a bunt fungus infecting rye that is genetically distinct from the wheat bunt pathogens.
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Claims 5
Claim · model-written summary
A Tilletia fungus infected a volunteer rye plant in Idaho.
- Taxon
- rye
Secale cerealee0 - Outcome
- infectede0
- Setting
- southeastern Idahoe0
TilletiaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A volunteer rye plant ( Secale cereale ) infected by a reticulate spored species of Tilletia was collected in a wheat field in southeastern Idaho in 1993”
Claim · model-written summary
Greenhouse inoculation confirmed the rye infecting bunt can infect wheat.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Inoculatione0
- Interactor
- rye-infecting bunte0pathogen
- Outcome
- able to infect wheate0
- Setting
- greenhousee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation studies conducted in the greenhouse confirmed that the rye-infecting bunt was able to infect wheat”
Claim · model-written summary
Phylogenetic analysis distinguished the rye infecting bunt from wheat bunt pathogens.
- Taxon
- wheatTriticum aestivume0
- Interactor
- rye-infecting bunte0pathogen
- Outcome
- rye-infecting bunt was distincte0
- Qualifier
- T. contraversa and the common bunt pathogens of wheat, T. caries and T. laevise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rye-infecting bunt was distinct from T. contraversa and the common bunt pathogens of wheat, T. caries and T. laevis”
Claim · model-written summary
The rye infecting bunt fits the species concept of T. secalis.
- Taxon
- ryeSecale cerealee0
- Interactor
- T. secalisTilletia secalise0pathogen
- Outcome
- fits within the species concept of T. secalise0
- Setting
- Europee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rye-infecting bunt fits within the species concept of T. secalis , a pathogen of cultivated rye in Europe”
Claim · model-written summary
The study demonstrates a North American rye bunt genetically distinct from wheat bunt pathogens.
- Taxon
- ryeSecale cerealee0
- Interactor
- bunt funguse0pathogen
- Outcome
- bunt fungus infecting rye that is genetically distincte0
- Setting
- North Americae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“first demonstration in North America of a bunt fungus infecting rye that is genetically distinct from the wheat bunt pathogens”