Abstract
Rice leaf POX (EC 1.11.1.7) and LOX (EC 1.13.11.12) activities were induced by press-injured application of ETP, an ethylene generating chemical, ACC and Glu. A higher concentration of Glu was required to induce rice leaf POX when compared with the induction of LOX and the previously reported case of PAL. Both the POX and LOX activities were induced by press-injured inoculation with incompatible or compatible blast fungus conidia, or by press-injured application of its RIF. The induction of POX by press-injured inoculation of incompatible conidia, compatible conidia or RIF was inhibited by a preapplication of TR, AOA, CY or ABA, while the induction of LOX was similarly inhibited by the former three, but not at all, or only weakly inhibited by ABA. The activity itself of induced POX or LOX was not inhibited by the inhibitors used in this experiment. The enzyme induction spectra either by the incompatible or compatible combination in terms of tm (the time to the maximum rate of induction after inoculation) showed good orderliness (O−2 FES < PAL < LOX < POX) with the relaxation in compatible combination. A higher outbreak of rice blast was observed when rice seedlings were pretreated with TR, AOA or ABA 4 hr before the spray inoculation.
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Claims 9
Claim · model-written summary
ETP, ACC, and Glu induced rice leaf POX and LOX activities.
- Taxon
- Rice
Oryza sativae0 - Treatment
- press-injured application of ETP, an ethylene generating chemical, ACC and Glue0
- Gene
- POXe0
- Outcome
- POX (EC 1.11.1.7) and LOX (EC 1.13.11.12) activitiese0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice leaf POX (EC 1.11.1.7) and LOX (EC 1.13.11.12) activities were induced by press-injured application of ETP, an ethylene generating chemical, ACC and Glu.”
Claim · model-written summary
POX induction required a higher Glu concentration than LOX and PAL induction.
- Taxon
- riceOryza sativae0
- Gene
- POXe0
- Outcome
- concentration of Glu was required to induce rice leaf POXe0
- Direction
- highere0
- Comparator
- induction of LOXe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A higher concentration of Glu was required to induce rice leaf POX when compared with the induction of LOX and the previously reported case of PAL.”
Claim · model-written summary
Blast fungus conidia or RIF induced rice leaf POX and LOX activities.
- Taxon
- RiceOryza sativat0
- Treatment
- press-injured inoculation with incompatible or compatible blast fungus conidiae0
- Interactor
- blast funguse0pathogen
- Outcome
- POX and LOX activitiese0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both the POX and LOX activities were induced by press-injured inoculation with incompatible or compatible blast fungus conidia, or by press-injured application of its RIF.”
t0“Rice Leaf Infected with Blast Fungus”
Claim · model-written summary
Preapplication of TR, AOA, CY, or ABA inhibited POX induction by blast fungus inoculation or RIF.
- Taxon
- RiceOryza sativat0
- Treatment
- preapplication of TR, AOA, CY or ABAe0
- Interactor
- Blast Fungust0pathogen
- Outcome
- induction of POXe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The induction of POX by press-injured inoculation of incompatible conidia, compatible conidia or RIF was inhibited by a preapplication of TR, AOA, CY or ABA”
t0“Rice Leaf Infected with Blast Fungus”
Claim · model-written summary
TR, AOA, and CY inhibited LOX induction.
- Taxon
- RiceOryza sativat0
- Treatment
- TR, AOA, CYe1
- Interactor
- Blast Fungust0pathogen
- Outcome
- induction of LOXe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the induction of LOX was similarly inhibited by the former three”
e1“a preapplication of TR, AOA, CY or ABA”
t0“Rice Leaf Infected with Blast Fungus”
Claim · model-written summary
ABA did not inhibit or only weakly inhibited LOX induction.
- Taxon
- RiceOryza sativat0
- Treatment
- ABAe0
- Interactor
- Blast Fungust0pathogen
- Outcome
- induction of LOXe1
- Direction
- not at all, or only weakly inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“not at all, or only weakly inhibited by ABA”
e1“the induction of LOX was similarly inhibited by the former three, but not at all, or only weakly inhibited by ABA”
t0“Rice Leaf Infected with Blast Fungus”
Claim · model-written summary
The inhibitors did not inhibit the activity of induced POX or LOX itself.
- Taxon
- RiceOryza sativat0
- Treatment
- inhibitors used in this experimente0
- Outcome
- activity itself of induced POX or LOXe0
- Direction
- not inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activity itself of induced POX or LOX was not inhibited by the inhibitors used in this experiment.”
t0“Rice Leaf Infected with Blast Fungus”
Claim · model-written summary
Enzyme induction times followed O−2 FES < PAL < LOX < POX, with relaxation in the compatible combination.
- Taxon
- RiceOryza sativat0
- Interactor
- Blast Fungust0pathogen
- Outcome
- enzyme induction spectrae0
- Value
- O−2 FES < PAL < LOX < POXe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The enzyme induction spectra either by the incompatible or compatible combination in terms of tm (the time to the maximum rate of induction after inoculation) showed good orderliness (O−2 FES < PAL < LOX < POX) with the relaxation in compatible combination.”
t0“Rice Leaf Infected with Blast Fungus”
Claim · model-written summary
Rice blast outbreak was higher after pretreatment with TR, AOA, or ABA.
- Taxon
- riceOryza sativae0
- Treatment
- pretreated with TR, AOA or ABA 4 hr before the spray inoculatione0
- Interactor
- Blast Fungust0pathogen
- Outcome
- outbreak of rice blaste0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A higher outbreak of rice blast was observed when rice seedlings were pretreated with TR, AOA or ABA 4 hr before the spray inoculation.”
t0“Blast Fungus”
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