Paper · 2012 · AFRICAN JOURNAL OF BIOTECHNOLOGY

Flooding response in rice: Ethylene networks and sugar signaling

Qian Dai

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claims
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verbatim quotes
0
citations
2
research areas
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Open access

Abstract

Rice (Oryza sativa) is an aerobic organism, for which oxygen shortage poses a serious problem. Longtime complete submergence leads to damage or even death of the plant. Submergence-tolerant rice adapts to flood (complete submergence) in a long time. Ethylene regulation networks and sugar signaling are involved in the submergence response of rice. This is mainly through the regulation of many key genes such as SUB1A and SK1/2; therefore, the level of abscisic acid (ABA) andgibberellic acid (GA) was regulated. This paper reviews these two signaling pathways, understanding which can help us develop new varieties and improve existing cultivars. Key words: Rice, ethylene regulation networks, sugar signaling, submergence.

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Claims 5

Observationobservedreview summarynegativebasis n/a

Claim · model-written summary

Long complete submergence damages or kills rice.

Treatment
Longtime complete submergencee0
Outcome
damage or even deathe0

Not reportedTaxonDirection

Verbatim

e0

“Longtime complete submergence leads to damage or even death of the plant”

✓ located verbatim in the source · abstract, characters 95–167 · show in text ↑
Observationobservedreview summarypositivebasis n/a

Claim · model-written summary

Submergence-tolerant rice adapts to prolonged complete submergence.

Material
Submergence-tolerant ricee0
Outcome
adapts to floode0
Qualifier
in a long timee0

Not reportedDirection

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Submergence-tolerant rice adapts to flood (complete submergence) in a long time”

✓ located verbatim in the source · abstract, characters 169–248 · show in text ↑
Mechanismobservedreview summarybasis n/a

Claim · model-written summary

Ethylene regulation networks and sugar signaling participate in rice submergence response.

Outcome
submergence responsee0
Qualifier
Ethylene regulation networks and sugar signalinge0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Ethylene regulation networks and sugar signaling are involved in the submergence response of rice”

✓ located verbatim in the source · abstract, characters 250–347 · show in text ↑
Mechanismobservedreview summarybasis n/a

Claim · model-written summary

Submergence signaling regulates SUB1A and SK1/2.

Gene
SUB1A and SK1/2e0
Outcome
regulation of many key genese0
Qualifier
mainlye0

Not reportedTaxon

Verbatim

e0

“This is mainly through the regulation of many key genes such as SUB1A and SK1/2”

✓ located verbatim in the source · abstract, characters 349–428 · show in text ↑
Mechanismobservedreview summarybasis n/a

Claim · model-written summary

The signaling pathways regulate abscisic acid and gibberellic acid levels.

Compound
abscisic acid (ABA) andgibberellic acid (GA)e0
Outcome
level of abscisic acid (ABA) andgibberellic acid (GA) was regulatede0
Qualifier
thereforee0

Not reportedTaxon

Verbatim

e0

“therefore, the level of abscisic acid (ABA) andgibberellic acid (GA) was regulated”

✓ located verbatim in the source · abstract, characters 430–512 · show in text ↑