Claim · model-written summary
The spermidine effect occurred earlier in Jinpengchaoguan than Zhongza No. 9.
- Taxon
- tomato
Solanum lycopersicumt0 - Material
- Jinpengchaoguane0
- Outcome
- effect occurrede0
- Direction
- earliere0
- Comparator
- Zhongza No. 9e0
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The effect occurred earlier in cultivar Jinpengchaoguan than in cultivar Zhongza No. 9.”
t0“tomato”
Title
Jianming Li; Lipan Hu; Li Zhang; et al. BMC Plant Biology 2015. doi:10.1186/s12870-015-0699-7
Other claims from this paper (12)
- Intervention effect Salinity-alkalinity stress disrupted chlorophyll metabolism.
- Intervention effect Salinity-alkalinity stress hindered conversion of uroorphyrinogen III to protoporphyrin IX.
- Observation Stress effects were more pronounced in Zhongza No. 9 than Jinpengchaoguan.
- Intervention effect Spermidine alleviated declines in total chlorophyll and chlorophyll a and b after four days of stress.
- Intervention effect With extended stress, spermidine reduced three chlorophyll precursors.
- Intervention effect With extended stress, spermidine increased protoporphyrin IX, Mg-protoporphyrin IX and protochlorophyllide.
- Intervention effect Spermidine alleviated stress-induced increases in malondialdehyde, superoxide generation and chlorophyllase activity.
- Intervention effect Spermidine alleviated stress-induced chlorophyllase gene expression.
- Intervention effect Spermidine alleviated stress-induced decreases in antioxidant enzyme activity and antioxidants.
- Intervention effect Spermidine alleviated decreased expression of the porphobilinogen deaminase gene.
- Intervention effect Spermidine stabilized chloroplast ultrastructure under stress.
- Mechanism The authors propose chloroplast structure, oxidative damage and chlorophyll and antioxidant regulation as mechanisms of spermidine protection.