Abstract
Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5 (a chilling-sensitive cultivar) pretreated with multiple sprays of 200 m m H 2 O 2 showed a tolerance to chilling at 4 °C for 36 h, measured by electrolyte leakage, that was greater than that induced by a single treatment and similar to that induced by cold-acclimation at 10 °C for 48 h. Two H 2 O 2 treatments at an interval of 3 h gave the optimum chilling tolerance. Tolerance induced by H 2 O 2 could be distinguished from that induced by acclimation at 10 °C according to length at 4 °C and corresponding electrolyte leakage. Chilling tolerance induced by H 2 O 2 depended on accumulation of glutathione (GSH), which could be significantly reversed by pretreatment with buthionine sulfoximine (BSO). In contrast, tolerance induced by incubation at 10 °C for 48 h in light was neither accompanied by accumulation of GSH nor reversed by BSO, suggesting that there are at least two independent mechanisms of developing chilling tolerance. Chilling tolerance of both cold-acclimated and H 2 O 2 -treated seedlings was decreased by ethyleneglycol-bis(aminoethylether)- N , N ′-tetraacetic acid (EGTA) but not by ruthenium red, indicating that the influx of Ca 2+ from extracellular, but not intracellular, pools is an important signal in the induction of tolerance. In confirmation, sprays of Ca 2+ could be substituted for H 2 O 2 .
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Claims 13
Claim · model-written summary
Multiple H2O2 sprays gave greater chilling tolerance in mung bean seedlings than a single treatment
- Taxon
- Mung bean
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Vigna radiatae3 - Material
- Tainan No. 5e3
- Organ / stage
- seedlingse3
- Treatment
- multiple sprays of 200 m m H 2 O 2e1
- Outcome
- tolerance to chillinge1
- Direction
- greatere1
- Qualifier
- measured by electrolyte leakagee1
- Comparator
- single treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e1“pretreated with multiple sprays of 200 m m H 2 O 2 showed a tolerance to chilling at 4 °C for 36 h, measured by electrolyte leakage, that was greater than that induced by a single treatment”
Claim · model-written summary
Multiple H2O2 sprays gave chilling tolerance similar to that from cold acclimation at 10 °C for 48 h
- Taxon
- Mung beanVigna radiatae3
- Treatment
- multiple sprays of 200 m m H 2 O 2e1
- Outcome
- tolerance to chillinge1
- Direction
- no_changeinferrede2
- Comparator
- cold-acclimation at 10 °C for 48 he2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e1“pretreated with multiple sprays of 200 m m H 2 O 2 showed a tolerance to chilling at 4 °C for 36 h, measured by electrolyte leakage, that was greater than that induced by a single treatment”
e2“similar to that induced by cold-acclimation at 10 °C for 48 h”
Claim · model-written summary
Two H2O2 treatments at a 3 h interval gave the optimum chilling tolerance in mung bean
- Taxon
- Mung beanVigna radiatae3
- Treatment
- Two H 2 O 2 treatments at an interval of 3 he4
- Outcome
- optimum chilling tolerancee4
- Direction
- optimume4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e4“Two H 2 O 2 treatments at an interval of 3 h gave the optimum chilling tolerance”
Claim · model-written summary
Tolerance induced by H2O2 can be distinguished from acclimation at 10 °C by length at 4 °C and electrolyte leakage
- Taxon
- Mung beanVigna radiatae3
- Treatment
- H 2 O 2e5
- Outcome
- Tolerancee5
- Qualifier
- according to length at 4 °C and corresponding electrolyte leakagee5
- Comparator
- acclimation at 10 °Ce5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e5“Tolerance induced by H 2 O 2 could be distinguished from that induced by acclimation at 10 °C according to length at 4 °C and corresponding electrolyte leakage”
Claim · model-written summary
Chilling tolerance induced by H2O2 depended on glutathione (GSH) accumulation
- Taxon
- Mung beanVigna radiatae3
- Compound
- glutathione (GSH)e6
- Outcome
- Chilling tolerancee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e6“Chilling tolerance induced by H 2 O 2 depended on accumulation of glutathione (GSH)”
Claim · model-written summary
Pretreatment with buthionine sulfoximine (BSO) significantly reversed the H2O2-induced chilling tolerance of mung bean
- Taxon
- Mung beanVigna radiatae3
- Treatment
- pretreatment with buthionine sulfoximine (BSO)e7
- Compound
- glutathione (GSH)e7
- Outcome
- Chilling tolerancee7
- Direction
- reversede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e7“Chilling tolerance induced by H 2 O 2 depended on accumulation of glutathione (GSH), which could be significantly reversed by pretreatment with buthionine sulfoximine (BSO)”
Claim · model-written summary
Cold-acclimation at 10 °C for 48 h in light gave tolerance not accompanied by GSH accumulation
- Taxon
- Mung beanVigna radiatae3
- Treatment
- incubation at 10 °C for 48 h in lighte5
- Compound
- GSHe5
- Outcome
- accumulation of GSHe5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e5“In contrast, tolerance induced by incubation at 10 °C for 48 h in light was neither accompanied by accumulation of GSH nor reversed by BSO”
Claim · model-written summary
The cold-acclimation tolerance in mung bean was not reversed by BSO
- Taxon
- Mung beanVigna radiatae3
- Treatment
- BSOe5
- Outcome
- tolerancee5
- Qualifier
- reversed by BSOe5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e5“In contrast, tolerance induced by incubation at 10 °C for 48 h in light was neither accompanied by accumulation of GSH nor reversed by BSO”
Claim · model-written summary
Two independent mechanisms of chilling tolerance development are suggested in mung bean (author inference)
- Taxon
- Mung beanVigna radiatae3
- Outcome
- chilling tolerancee5
- Qualifier
- at least two independent mechanismse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e5“suggesting that there are at least two independent mechanisms of developing chilling tolerance”
Claim · model-written summary
EGTA decreased the chilling tolerance of cold-acclimated and H2O2-treated mung bean seedlings
- Taxon
- Mung beanVigna radiatae3
- Treatment
- EGTAe5
- Outcome
- Chilling tolerancee5
- Direction
- decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e5“Chilling tolerance of both cold-acclimated and H 2 O 2 -treated seedlings was decreased by ethyleneglycol-bis(aminoethylether)- N , N ′-tetraacetic acid (EGTA)”
Claim · model-written summary
Ruthenium red did not decrease the chilling tolerance of mung bean seedlings
- Taxon
- Mung beanVigna radiatae3
- Treatment
- ruthenium rede6
- Outcome
- Chilling tolerancee5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e5“Chilling tolerance of both cold-acclimated and H 2 O 2 -treated seedlings was decreased by ethyleneglycol-bis(aminoethylether)- N , N ′-tetraacetic acid (EGTA)”
e6“but not by ruthenium red, indicating that the influx of Ca 2+ from extracellular, but not intracellular, pools is an important signal in the induction of tolerance”
Claim · model-written summary
Extracellular Ca2+ influx is an important signal for the induction of chilling tolerance (author inference)
- Taxon
- Mung beanVigna radiatae3
- Compound
- Ca 2+e6
- Outcome
- induction of tolerancee6
- Qualifier
- from extracellular, but not intracellular, poolse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e6“but not by ruthenium red, indicating that the influx of Ca 2+ from extracellular, but not intracellular, pools is an important signal in the induction of tolerance”
Claim · model-written summary
Sprays of Ca2+ could substitute for H2O2 in inducing chilling tolerance in mung bean
- Taxon
- Mung beanVigna radiatae3
- Treatment
- sprays of Ca 2+e6
- Outcome
- Chilling tolerancee5
- Comparator
- H 2 O 2e6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Mung bean seedlings ( Vigna radiata L.) of the cultivar Tainan No. 5”
e6“In confirmation, sprays of Ca 2+ could be substituted for H 2 O 2”
e5“Chilling tolerance of both cold-acclimated and H 2 O 2 -treated seedlings was decreased by ethyleneglycol-bis(aminoethylether)- N , N ′-tetraacetic acid (EGTA)”
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See all 20 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.