Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Wheat regeneration frequencies improved at 2.1 mM O2 rather than 7.4 mM O2.

Taxon: wheatTriticum aestivume0
Treatment: 2.1 mM O2e0
Outcome: Regeneration frequenciese0
Direction: improvede0
Comparator: 7.4 mM O2e0

Verbatim

e0
“Regeneration frequencies were improved when embryos were cultured at the O2 concentration found in the wheat ovule (2.1 mM O2) rather than atmospheric 02concentration (7.4 mM O2)”
✓ located verbatim in the source · abstract, characters 1504–1682

Title

Physiological and Biochemical Aspects of Agrobacterium-Wheat (Triticum Aestivum L.) Interactions

Parrott, David L. Digital Commons - USU (Utah State University) 2021. doi:10.26076/57a7-3a08

Other claims from this paper (14)

Observation Both bacteria grew without inhibition on exposure to wheat roots or embryos.
Observation The bacteria colonized wheat root surfaces to levels similar to dicotyledonous plants.
Intervention effect Agrobacterium exposure caused 23% embryo cell death at 7.4 mM O2 versus 8% at 2.1 mM O2.
Intervention effect Contact with either bacterium rapidly induced H202 production in wheat embryo and root cells.
Intervention effect H202 production decreased when wheat embryos and roots were cultured at 2.1 mM O2.
Observation Agrobacterium exposure produced browning and autofluorescence in wheat embryo and root epidermal cells.
Observation Ferulic acid increased in cell walls of Agrobacterium-exposed wheat cells.
Observation Neither lignin nor callose was detected in exposed wheat cells.
Intervention effect Simulating the in ovulo environment significantly improved wheat regeneration by somatic embryogenesis.
Intervention effect TEC improved callus and somatic embryo formation and regeneration compared with Murashige and Skoog medium.
Intervention effect TEC reduced precocious germination compared with Murashige and Skoog medium.
Intervention effect Antioxidants and reduced O2 lowered necrosis after Agrobacterium cocultivation.
Intervention effect Antioxidants and reduced O2 increased wheat plant regeneration.
Observation Transformation was documented in 6.0% of regenerated wheat plants exposed to WAg 11.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

O2 medium produced the highest growth rates.

Taxon: peppert0
Treatment: O2 mediume0
Outcome: growth ratese0
Direction: higheste0

Not reportedComparator

Verbatim

e0
“The highest growth rates were obtained from the O2 medium”
✓ located verbatim in the source · abstract, characters 521–578

t0
“Pepper”
✓ located verbatim in the source · title, characters 44–50

Title

Doublehaploidization Efficiency of Selected Pepper Genotypes Via in Vitro Anther Culture

Münevver İlhan; Ertan Sait Kurtar Selcuk Journal of Agricultural and Food Sciences 2022. doi:10.15316/sjafs.2022.033

Other claims from this paper (12)

Observation Culture media affected pepper anther development, embryo initiation and plantlet initiation.
Observation SU-31 had the lowest anther developmental value, 2.47%.
Observation Flinta F1 had the highest anther developmental rate, 12.79%.
Observation Dolphin reached 25.0% growth in O2 medium.
Observation Dolphin produced eight embryos.
Observation Dolphin produced five plants.
Observation Flinta F1 yielded no embryos or plants.
Observation SU-34 yielded no embryos or plants.
Observation Of 2868 cultured pepper anthers, 195 enlarged, a growth rate of 6.8%.
Observation The pepper culture produced 37 embryos at a frequency of 1.29%.
Observation The pepper culture produced 18 plants at a frequency of 0.63%.
Observation Stomatal observations identified 13 haploid plants and the remaining plants as double haploids.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Phosphorylation-deficient O2 seeds did not exhibit the reported enhancements.

Taxon: maizeZea mayst0
Material: phosphorylation-deficient O2 seedse0
Outcome: did note0

Verbatim

e0
“whereas the phosphorylation-deficient O2 seeds did not”
✓ located verbatim in the source · abstract, characters 1033–1087

t0
“maize seeds”
✓ located verbatim in the source · title, characters 78–89

Title

The CK1-Opaque2 module orchestrates endosperm filling and nutrient storage in maize seeds

Longyu Liao; Yunqin Huang; Shanshan Wang; et al. The Crop Journal 2024. doi:10.1016/j.cj.2024.11.004

Other claims from this paper (9)

Observation O2 had 18 identified phosphorylation sites.
Observation Five O2 sites apparently modulated subcellular localization and transactivation capacity.
Observation CK1 interacted with and phosphorylated O2 at T202.
Mechanism CK1 phosphorylation promoted O2-mediated transactivation and protein stability.
Intervention effect CK1 overexpression increased kernel size and 100-kernel weight.
Intervention effect CK1 overexpression increased nutrient storage.
Observation Phosphorylation-mimic O2 seeds had enhanced kernel dimension, test weight and vitreous endosperm area.
Observation Phosphorylation-mimic O2 seeds had enhanced nutrient accumulation.
Method / resource The work establishes an O2 phosphocode atlas during endosperm filling.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Exogenous H2 O2 promoted hypocotyl elongation.

Taxon: soybeanGlycine maxt0
Treatment: exogenous H2 O2 applicatione0
Outcome: hypocotyl elongatione0
Direction: promotede0

Not reportedComparator

Verbatim

e0
“exogenous H2 O2 application promoted hypocotyl elongation”
✓ located verbatim in the source · abstract, characters 669–726

t0
“soybean (Glycine max)”
✓ located verbatim in the source · title, characters 85–106

Title

Integrated analysis of transcriptomic and proteomic data reveals novel regulators of soybean (Glycine max) hypocotyl development

Xueliang Zhang; Zhikang Shen; Xiaohu Sun; et al. Functional Plant Biology 2023. doi:10.1071/fp23013

Other claims from this paper (8)

Observation Many proteins had extremely high translation efficiency during hypocotyl development.
Observation Peroxidases and cell wall enzymes were among potential regulators.
Observation Many proteins changed translation efficiency during hypocotyl development.
Intervention effect Ectopic GmPHYA1 expression affected Arabidopsis hypocotyl elongation.
Intervention effect Ectopic GmPIP1-6 expression affected Arabidopsis hypocotyl elongation.
Observation Candidate regulatory promoters contained light, gibberellin and auxin responsive elements.
Intervention effect Light regulated expression of some candidate regulators in hypocotyls.
Intervention effect Exogenous auxin or gibberellin regulated expression of some candidate regulators.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Nodal development of cucumber was not affected by lower dissolved O2 concentrations.

Taxon: Cucumber PlantsCucumis sativust0
Treatment: lower dissolved O2 concentrationse0
Outcome: nodal developmente0
Direction: not affectede0

Not reportedComparator

Verbatim

e0
“inhibited at lower dissolved O2 concentrations, while the nodal development was not affected”
✓ located verbatim in the source · abstract, characters 350–442

t0
“Cucumber Plants”
✓ located verbatim in the source · title, characters 19–34

Title

Growth Analysis of Cucumber Plants (Cucumis sativus L.) under Control of Dissolved O2 Concentration in Hydroponics.

Satoshi YOSHIDA; Masaharu KITANO; Hiromi EGUCHI Seibutsu kankyō chōsetsu/Seibutsu kankyou chousetsu 1996. doi:10.2525/ecb1963.34.223

Other claims from this paper (4)

Observationobservedoriginal resultmeasured

Claim · model-written summary

MDA, H2O2 and O2- production continued to rise.

Taxon: LilyLiliumt0
Outcome: MDA content, H2O2 content,and O2- production ratee0
Direction: continued to risee0

Verbatim

e0
“MDA content, H2O2 content,and O2- production rate continued to rise”
✓ located verbatim in the source · abstract, characters 850–917

t0
“Lily”
✓ located verbatim in the source · title, characters 79–83

Title

Analysis of lipid peroxidation metabolism during florescence and senescence of Lily

Si Ren; Qun-xian Deng; Tao He; et al. IOP Conference Series Earth and Environmental Science 2018. doi:10.1088/1755-1315/199/2/022013

Other claims from this paper (6)

Intervention effectobservedreview summarypositivebasis n/a

Claim · model-written summary

Lowering O2 levels during apple storage slows fruit maturation and senescence.

Taxon: appleMalus domesticae1
Treatment: Lowering O2 levelse1
Outcome: fruit maturation and senescencee2
Direction: slowse2

Not reportedComparator

Verbatim

e1
“Lowering O2 levels during apple storage”
✓ located verbatim in the source · abstract, characters 490–529

e2
“slows fruit maturation and senescence”
✓ located verbatim in the source · abstract, characters 584–621

Title

The trend toward lower oxygen levels during apple (Malus × domesticaBorkh) storage

A. H. Wright; J. M. Delong; J. Arul; et al. The Journal of Horticultural Science and Biotechnology 2015. doi:10.1080/14620316.2015.11513146

Other claims from this paper (9)

Intervention effect Lowering O2 levels during apple storage slows respiration.
Intervention effect Lowering O2 levels during apple storage reduces ethylene biosynthesis.
Intervention effect Low O2 influences the expression of genes associated with cellular energy consumption in apple.
Intervention effect When O2 levels become limiting, aerobic mitochondrial respiration is inhibited in apple tissues.
Intervention effect When O2 levels become limiting, plant tissues engage in the energetically less-efficient fermentation pathway.
Association Accumulation of fermentation-related volatiles may lead to off-flavours and odours.
Observation At low levels or for short durations, fermentation is generally not a problem and may even be commercially beneficial.
Association Plants limited in their ability to ferment succumb to low-O2 stress more quickly than those that can readily ferment anaerobically.
Recommendation The future of CA storage may lie in a better understanding of the lower O2 limit for metabolism and energy demands.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

O2 exposure increased blade intercellular spaces relative to air.

Taxon: TobaccoNicotiana tabacumt0
Treatment: O2 treatmente0
Outcome: result was vice versae0
Direction: increaseinferrede0
Qualifier: vice versae0

Not reportedComparator

Verbatim

e0
“In case of the O2 treatment, however, the result was vice versa.”
✓ located verbatim in the source · abstract, characters 1074–1138

t0
“Tobacco Leaves”
✓ located verbatim in the source · title, characters 35–49

Title

Some Leaf Characters of Flue-Cured Tobacco Leaves Sprayed with Transpiration Suppressant

Masao TANAKA Japanese Journal of Crop Science 1968. doi:10.1626/jcs.37.436

Other claims from this paper (12)

Intervention effect OED sprayed leaf halves had smaller intercellular spaces than unsprayed halves.
Observation The reduced intercellular spaces appeared the day after spraying and persisted at least 25 days.
Intervention effect CO2 exposure decreased blade intercellular spaces relative to air.
Mechanism The authors inferred that oxygen pressure controls intercellular space development.
Association Leaves with least or intermediate colour differences had larger intercellular spaces than leaves with intermediate or greatest differences.
Observation Average grading values for the three leaf colour groups were 1.0, 2.5 and 3.8.
Intervention effect OED sprayed leaves had larger dominant wavelength than unsprayed leaves.
Intervention effect OED sprayed leaves had larger excitation purity than unsprayed leaves.
Intervention effect Unsprayed leaves showed larger spectral reflectance differences between surfaces than OED sprayed leaves, especially at 533 to 612 mμ.
Intervention effect OED spraying reduced the green shade of cured leaves.
Intervention effect The authors concluded dilute OED spraying would reduce upper versus lower leaf colour differences.
Intervention effect The authors concluded dilute OED spraying would produce orange type leaves with high excitation purity.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Ovular O2-· concentrations rose throughout development.

Taxon: grapee1
Organ / stage: ovulee1
Outcome: concentrations of O2-·e0
Direction: rosee0

Verbatim

e0
“the concentrations of O2-· rose all the time”
✓ located verbatim in the source · abstract, characters 230–274

e1
“in the ovule of seedless grape‘Youngle’and seeded grape‘Jingxiu’”
✓ located verbatim in the source · abstract, characters 88–152

Title

A Comparative Study on Metabolism of Reactive Oxygen Species During Ovule Development in Seeded and Seedless Grapes

Xiping Wang Acta Horticulturae Sinica 2007

Other claims from this paper (12)

Observation The O2-· increase rate in Youngle ovules exceeded Jingxiu during middle and later development.
Observation H2O2 concentration initially increased.
Observation H2O2 concentration decreased after its initial rise.
Observation H2O2 concentration increased again after decreasing.
Observation The subsequent H2O2 increase was significantly greater in Youngle than Jingxiu.
Observation SOD, CAT and AsA-POD activities initially increased in Youngle.
Observation SOD, CAT and AsA-POD activities dropped drastically after Youngle ovule abortion.
Observation SOD, CAT and AsA-POD activities remained high in seeded Jingxiu.
Observation Youngle ovular POD activity followed the other enzymes' initial increase.
Observation Youngle ovular POD activity followed the other enzymes' decline after ovule abortion.
Observation Jingxiu ovular POD activity increased constantly, with a slower increase in later stages.
Association Changes in ovular reactive oxygen and antioxidant enzyme activity were related to Youngle ovule abortion.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Membrane permeability, MDA and O2- production rose as petals faded.

Taxon: tree peonyPaeonia suffruticosae2
Outcome: Membrane permeability, MDA content and O2- production ratese0
Direction: increasingly were enhancede0

Verbatim

e0
“Membrane permeability, MDA content and O2- production rates increasingly were enhanced”
✓ located verbatim in the source · abstract, characters 160–246

e2
“of tree peony, soluble protein”
✓ located verbatim in the source · abstract, characters 31–61

Title

The Changes of physiology and biochemistry in peony during senescence

Shengwang Zhang; Zheng Rongsheng; Meng Li; et al. Shandong Nongye Daxue xuebao 2002

Other claims from this paper (6)

Observation Petal and leaf soluble protein rose early and declined later.
Observation SOD activity declined as petals faded.
Observation Petals changed more obviously than leaves.
Association Petal soluble protein, permeability, MDA, SOD and O2- production were correlated.
Association Leaf soluble protein and free amino acid concentration were uncorrelated.
Mechanism Authors attributed tree peony senescence to programmed cell death under multiple factors.

“O2-.”

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