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“decrease in relative water content”

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2000 ’10 ’20

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Organism: Nicotiana tabacum ✕

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The transgenic plants had decreased relative water content under early cold stress.

Taxon: tobaccoNicotiana tabacume0
Outcome: relative water contente0
Direction: decreasee0
Comparator: wild-type plantse0

Not reportedTreatment

Verbatim

e0
“Overexpression of HbICE1, HbICE2, and HbICE4 significantly enhanced the cold tolerance of transgenic Arabidopsis and tobacco, which showed a significant increase in chlorophyll content and decrease in relative water content and conductivity at the early stage of cold stress in comparison with wild-type plants”
✓ located verbatim in the source · abstract, characters 853–1163

Title

Functional Identification of ICE Transcription Factors in Rubber Tree

Yan Li; Caihong Quan; Shuguang Yang; et al. Forests 2022. doi:10.3390/f13010052

Other claims from this paper (14)

Observation Five ICE genes were isolated from rubber tree.
Observation The ICE genes shared a conserved domain region.
Observation The ICE factors localized to the nucleus.
Observation HbICE transcript abundance and expression patterns differed across cold and drought stress and clones.
Association HbICE expression was higher in cold-tolerant than cold-sensitive rubber tree clones.
Intervention effect HbICE1 overexpression enhanced cold tolerance in transgenic Arabidopsis and tobacco.
Intervention effect HbICE2 overexpression enhanced cold tolerance in transgenic Arabidopsis and tobacco.
Intervention effect HbICE4 overexpression enhanced cold tolerance in transgenic Arabidopsis and tobacco.
Intervention effect The transgenic plants had increased chlorophyll content under early cold stress.
Intervention effect The transgenic plants had decreased conductivity under early cold stress.
Intervention effect HbICE2 overexpression enhanced drought tolerance in Arabidopsis.
Intervention effect HbICE4 overexpression enhanced drought tolerance in Arabidopsis.
Intervention effect HbICE1 overexpression enhanced drought tolerance in Arabidopsis.
Mechanism Rubber tree cold tolerance is positively controlled by HbICE1, HbICE2 and HbICE4 expression.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought reduced leaf relative water content.

Taxon: TobaccoNicotiana tabacumt0
Treatment: Drought stresse0
Outcome: leaf relative water contente0
Direction: diminutione0

Not reportedComparator

Verbatim

t0
“Tobacco Plants”
✓ located verbatim in the source · title, characters 40–54

e0
“Drought stress led to diminution in leaf relative water content, photosynthesis inhibition, decrease in chlorophyll content and accumulation of malondialdehyde and proline.”
✓ located verbatim in the source · abstract, characters 681–853

Title

Response of Oryzacystatin I Transformed Tobacco Plants to Drought, Heat and Light Stress

K. Demirevska; L. Simova‐Stoilova; I. Fedina; et al. Journal of Agronomy and Crop Science 2009. doi:10.1111/j.1439-037x.2009.00396.x

Other claims from this paper (8)

Intervention effect Drought inhibited photosynthesis.
Intervention effect Drought decreased chlorophyll content.
Intervention effect Drought increased malondialdehyde and proline accumulation.
Intervention effect Heat alone did not significantly affect tobacco plants.
Intervention effect Heat intensified the effect of drought stress.
Intervention effect High light further increased proline content.
Intervention effect OC-I transformed tobacco had higher superoxide dismutase and guaiacol peroxidase activities and isoforms than controls in low light under stress and non-stress conditions.
Intervention effect OC-I expression did not highly affect catalase activity.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salinity slightly reduced relative leaf water content.

Taxon: Tobacco and PotatoNicotiana tabacum Solanum tuberosumt0
Treatment: Salinitye1
Outcome: relative water content in the leavese0
Direction: reductione0

Not reportedComparator

Verbatim

e0
“there was a slight reduction in the relative water content in the leaves”
✓ located verbatim in the source · abstract, characters 766–838

e1
“Salinity caused a decrease in photosynthesis activity”
✓ located verbatim in the source · abstract, characters 555–608

t0
“Tobacco and Potato”
✓ located verbatim in the source · title, characters 59–77

Title

Salt-Induced Changes in Cytosolic pH and Photosynthesis in Tobacco and Potato Leaves

Anna Pecherina; Marina Grinberg; Maria Ageyeva; et al. International Journal of Molecular Sciences 2022. doi:10.3390/ijms24010491

Other claims from this paper (4)

Intervention effect Salinity reduced photosynthetic activity and photosystem II quantum yield in tobacco and potato leaves.
Intervention effect Salinity increased non-photochemical quenching.
Intervention effect Salinity decreased transpiration.
Intervention effect Salinity decreased cytosolic pH in transformed tobacco and potato plants.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Amylase activity began to decrease when relative humidity fell below 75%.

Taxon: TobaccoNicotiana tabacumt0
Outcome: activity of amylasee0
Direction: decreasee0
Qualifier: relative humidity was below 75 %e0

Verbatim

t0
“Tobacco Leaf”
✓ located verbatim in the source · title, characters 56–68

e0
“The activity of amylase began to decrease when relative humidity was below 75 %”
✓ located verbatim in the source · abstract, characters 1197–1276

Title

Dynamics of Environmental Humidity and Water Content in Tobacco Leaf and Metabolism of Starch During Curing

Gong Chang-rong 中国农业科学(英文版) 2003

Other claims from this paper (10)

Intervention effect During early yellowing at low humidity, starch degradation and the decrease of water content in tobacco leaf were the most rapid.
Intervention effect Water loss was lowest under high humidity.
Intervention effect Starch residue in cured leaf differed among high-humidity yellowing, low-humidity yellowing and CK treatments in the stated order.
Intervention effect The duration of starch degradation under low humidity was longer than in CK.
Observation When leaf water content fell to around 50%, starch degradation became slow and starch content was stable.
Observation Starch degradation and the decrease of leaf water content were not synchronous.
Intervention effect Starch in tobacco leaf degraded more rapidly during yellowing when humidity was decreased at a high speed, but degradation stopped earlier at the late stage.
Intervention effect Starch degradation was quicker and higher under high environmental humidity.
Observation When humidity decreased to 70%, starch content was stable.
Observation Amylase activity stayed at a high level when environmental humidity was below 70%.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under cold stress, siCOR tobacco had smaller declines in relative water content and PSII quantum yield than controls.

Taxon: tobaccoNicotiana tabacume0
Treatment: siCORe0
Outcome: relative water contente0
Direction: lessere0
Qualifier: cold stresse0
Comparator: control tobaccoe0

Verbatim

e0
“Under the cold stress,the decrease of relative water content,reduction of relative quantum yield of PSⅡ,the increase of relative conductivity and MDA content of siCOR tobacco are lesser than that of control tobacco evidently.”
✓ located verbatim in the source · abstract, characters 764–989

Title

Obtained and Cold Resistance Identification of Tobacco Plants Transformed by siCOR of Saussurea involucrata Kar.et Kir.

Jianbo Zhu Xibei zhiwu xuebao 2012

Other claims from this paper (5)

Observation The siCOR cDNA was 661 bp long and had about 65.04% amino acid identity with Oryza sativa Japonica.
Observation RT-PCR indicated integration of siCOR into tobacco genome.
Intervention effect siCOR tobacco had deep green leaves, faster growth and no lateral buds versus wild type.
Intervention effect Under cold stress, siCOR tobacco had smaller increases in conductivity and MDA content than controls.
Observation Transgenic tobacco developed slower and lighter cold-stress symptoms.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

2 mmol/L KNO3 under PEG stress significantly increased chlorophyll a and b contents and relative water content

Taxon: Nicotiana tabacumNicotiana tabacumt0
Treatment: 2 mmol·L-1 KNO3e1
Outcome: chlorophyll a content,chlorophyll b content and relative water contente1
Direction: increasee1
Comparator: PEG stresse2

Verbatim

t0
“Tobacco (Nicotiana tabacum L.)”
✓ located verbatim in the source · title, characters 53–83

e1
“The results showed that 2 mmol·L-1 KNO3 treatment could significantly increase chlorophyll a content,chlorophyll b content and relative water content and decrease malondialdehyde(MDA) content and electrolyte leakage”
✓ located verbatim in the source · abstract, characters 506–721

e2
“could alleviate PEG stress effectively”
✓ located verbatim in the source · abstract, characters 756–794

Title

Effect of Potassium Nitrate on Proline Metabolism in Tobacco (Nicotiana tabacum L.) under Osmotic Stress

Fang Cao 2010

Other claims from this paper (5)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Amylase activity started to fall below 75% relative humidity.

Taxon: TobaccoNicotiana tabacume1
Gene: amylasee0
Outcome: activity of amylasee0
Direction: decreasee0
Qualifier: below 75 %e0

Verbatim

e0
“The activity of amylase began to decrease when relative humidity was below 75 %”
✓ located verbatim in the source · abstract, characters 1196–1275

e1
“Tobacco Leaf”
✓ located verbatim in the source · title, characters 56–68

Title

Dynamics of Environmental Humidity and Water Content in Tobacco Leaf and Metabolism of Starch During Curing

GONGChang-rong; CHENJiang-hua 中国农业科学：英文版 2003

Other claims from this paper (14)

Intervention effect Low humidity during early yellowing gave the fastest starch degradation.
Intervention effect Low humidity during early yellowing gave the fastest decrease in leaf water content.
Intervention effect Water loss was highest at low humidity and lowest at high humidity.
Intervention effect Starch degradation lasted longer under low humidity than CK.
Observation Cured leaf starch residue ranked high humidity above low humidity above CK.
Association Starch degradation slowed near 50% leaf water content.
Association Starch content stabilized near 50% leaf water content.
Observation Starch degradation and leaf water loss were asynchronous.
Intervention effect Rapid humidity decline caused faster starch degradation during yellowing.
Intervention effect Under rapid humidity decline, starch degradation stopped earlier at a late stage.
Intervention effect High environmental humidity gave quicker starch degradation.
Intervention effect High environmental humidity gave higher starch degradation.
Association Starch content stabilized when humidity fell to 70%.
Association Amylase activity remained high below 70% environmental humidity.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought decreased chlorophyll content.

Taxon: TobaccoNicotiana tabacumt0
Treatment: Drought stresse0
Outcome: chlorophyll contente0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“Tobacco Plants”
✓ located verbatim in the source · title, characters 40–54

e0
“Drought stress led to diminution in leaf relative water content, photosynthesis inhibition, decrease in chlorophyll content and accumulation of malondialdehyde and proline.”
✓ located verbatim in the source · abstract, characters 681–853

Title

Response of Oryzacystatin I Transformed Tobacco Plants to Drought, Heat and Light Stress

K. Demirevska; L. Simova‐Stoilova; I. Fedina; et al. Journal of Agronomy and Crop Science 2009. doi:10.1111/j.1439-037x.2009.00396.x

Other claims from this paper (8)

Intervention effect Drought reduced leaf relative water content.
Intervention effect Drought inhibited photosynthesis.
Intervention effect Drought increased malondialdehyde and proline accumulation.
Intervention effect Heat alone did not significantly affect tobacco plants.
Intervention effect Heat intensified the effect of drought stress.
Intervention effect High light further increased proline content.
Intervention effect OC-I transformed tobacco had higher superoxide dismutase and guaiacol peroxidase activities and isoforms than controls in low light under stress and non-stress conditions.
Intervention effect OC-I expression did not highly affect catalase activity.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under cold stress, siCOR tobacco had smaller increases in conductivity and MDA content than controls.

Taxon: tobaccoNicotiana tabacume0
Treatment: siCORe0
Outcome: relative conductivity and MDA contente0
Direction: lessere0
Qualifier: cold stresse0
Comparator: control tobaccoe0

Verbatim

e0
“Under the cold stress,the decrease of relative water content,reduction of relative quantum yield of PSⅡ,the increase of relative conductivity and MDA content of siCOR tobacco are lesser than that of control tobacco evidently.”
✓ located verbatim in the source · abstract, characters 764–989

Title

Obtained and Cold Resistance Identification of Tobacco Plants Transformed by siCOR of Saussurea involucrata Kar.et Kir.

Jianbo Zhu Xibei zhiwu xuebao 2012

Other claims from this paper (5)

Observation The siCOR cDNA was 661 bp long and had about 65.04% amino acid identity with Oryza sativa Japonica.
Observation RT-PCR indicated integration of siCOR into tobacco genome.
Intervention effect siCOR tobacco had deep green leaves, faster growth and no lateral buds versus wild type.
Intervention effect Under cold stress, siCOR tobacco had smaller declines in relative water content and PSII quantum yield than controls.
Observation Transgenic tobacco developed slower and lighter cold-stress symptoms.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought inhibited photosynthesis.

Taxon: TobaccoNicotiana tabacumt0
Treatment: Drought stresse0
Outcome: photosynthesise0
Direction: inhibitione0

Not reportedComparator

Verbatim

t0
“Tobacco Plants”
✓ located verbatim in the source · title, characters 40–54

e0
“Drought stress led to diminution in leaf relative water content, photosynthesis inhibition, decrease in chlorophyll content and accumulation of malondialdehyde and proline.”
✓ located verbatim in the source · abstract, characters 681–853

Title

Response of Oryzacystatin I Transformed Tobacco Plants to Drought, Heat and Light Stress

K. Demirevska; L. Simova‐Stoilova; I. Fedina; et al. Journal of Agronomy and Crop Science 2009. doi:10.1111/j.1439-037x.2009.00396.x

Other claims from this paper (8)

Intervention effect Drought reduced leaf relative water content.
Intervention effect Drought decreased chlorophyll content.
Intervention effect Drought increased malondialdehyde and proline accumulation.
Intervention effect Heat alone did not significantly affect tobacco plants.
Intervention effect Heat intensified the effect of drought stress.
Intervention effect High light further increased proline content.
Intervention effect OC-I transformed tobacco had higher superoxide dismutase and guaiacol peroxidase activities and isoforms than controls in low light under stress and non-stress conditions.
Intervention effect OC-I expression did not highly affect catalase activity.

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“decrease in relative water content”

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