Paper · 1992 · FEBS Letters

Thermal injury and ozone stress affect soybean lipoxygenases expression

Mauro Maccarrone; Gerrit A. Veldink; Johannes F.G. Vliegenthart

6
claims
11
verbatim quotes
42
citations
2
research areas
✓
Open access

Abstract

The effects of thermal injury (cold and heat shock) and ozone treatment on lipoxygenases 1 (LOX-1) and 2 (LOX-2) of soybean seedlings have been investigated. Cold stress led to a decrease of the specific activities of both isoenzymes, attributable at least in part to a down-regulation of gene expression at the translational level. Both heat shock and ozone treatment enhanced lipoxygenases-specific activities, acting at the level of transcription of the genes. It is proposed that LOX-1 and LOX-2 are involved in the thermotolerance of soybeans and in the precocious aging induced by ozone.

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Claims 6

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cold stress decreased activities of both soybean lipoxygenase isoenzymes.

Taxon
soybeanGlycine maxt0
Treatment
Cold stresse0
Outcome
specific activities of both isoenzymese0
Direction
decreasee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Cold stress led to a decrease of the specific activities of both isoenzymes”

✓ located verbatim in the source · abstract, characters 158–233 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 39–46 · show in text ↑
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Cold stress downregulated lipoxygenase expression at the translational level.

Taxon
soybeanGlycine maxt0
Outcome
down-regulation of gene expressione0
Qualifier
translational levele0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“attributable at least in part to a down-regulation of gene expression at the translational level.”

✓ located verbatim in the source · abstract, characters 235–332 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 39–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Heat shock enhanced lipoxygenase activities.

Taxon
soybeanGlycine maxt0
Treatment
heat shocke0
Outcome
lipoxygenases-specific activitiese0
Direction
enhancede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Both heat shock and ozone treatment enhanced lipoxygenases-specific activities, acting at the level of transcription of the genes.”

✓ located verbatim in the source · abstract, characters 333–463 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 39–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ozone treatment enhanced lipoxygenase activities.

Taxon
soybeanGlycine maxt0
Treatment
ozone treatmente0
Outcome
lipoxygenases-specific activitiese0
Direction
enhancede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Both heat shock and ozone treatment enhanced lipoxygenases-specific activities, acting at the level of transcription of the genes.”

✓ located verbatim in the source · abstract, characters 333–463 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 39–46 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Heat shock and ozone acted at the transcriptional level.

Taxon
soybeanGlycine maxt0
Outcome
transcription of the genese0
Qualifier
level of transcriptione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“acting at the level of transcription of the genes.”

✓ located verbatim in the source · abstract, characters 413–463 · show in text ↑
t0

“soybean”

✓ located verbatim in the source · title, characters 39–46 · show in text ↑
Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

The authors propose LOX-1 and LOX-2 involvement in thermotolerance and ozone-related early aging.

Taxon
soybeansGlycine maxe0
Gene
LOX-1 and LOX-2e0
Outcome
thermotolerance of soybeans and in the precocious aging induced by ozonee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“It is proposed that LOX-1 and LOX-2 are involved in the thermotolerance of soybeans and in the precocious aging induced by ozone.”

✓ located verbatim in the source · abstract, characters 464–593 · show in text ↑