Abstract
Abstract Phosphorus metabolism and circulation are essential bio-physicochemical processes during development of a plant and have been extensively studied and known to be affected by temperature, humidity, lighting, hormones etc. However, a quantitative description of how various phosphorous species evolve over time has not been reported. In this work, a combined 31 P liquid and solid state NMR spectroscopic methodology is employed, supported by a new extraction scheme and data analysis method, to carry out a quantitative investigation of phosphorous circulation in germinating sesame seeds in dark and under illumination with and without adding a growth hormone. The spectra show that only slight changes occur for phosphorous metabolism at the initial stage but a rapid change takes place between 48–96 hours after germination is started. The metabolism is found to be temperature dependent and affected by illumination and hormone. However, neither illumination nor hormone affects the final residual concentration of phytin. Moreover, phytin does not flow out of cotyledon and the phosphorous flowing to other parts of the plant is always in the inorganic form. The overall evolution profile of phytate consumption is found to be a Gaussian decaying function. These findings can be explained with a dynamic model on phytin conversion.
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Claims 8
Claim · model-written summary
Phosphorus metabolism changed slightly at first and rapidly at 48–96 hours after germination began.
- Taxon
- Sesame
Sesamum indicumt0 - Outcome
- phosphorous metabolisme0
- Qualifier
- between 48–96 hours after germination is startede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only slight changes occur for phosphorous metabolism at the initial stage but a rapid change takes place between 48–96 hours after germination is started.”
t0“Sesame Seed”
Claim · model-written summary
Phosphorus metabolism depended on temperature.
- Taxon
- SesameSesamum indicumt0
- Treatment
- temperaturee0
- Outcome
- metabolisme0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The metabolism is found to be temperature dependent and affected by illumination and hormone.”
t0“Sesame Seed”
Claim · model-written summary
Illumination affected phosphorus metabolism.
- Taxon
- SesameSesamum indicumt0
- Treatment
- illuminatione0
- Outcome
- metabolisme0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The metabolism is found to be temperature dependent and affected by illumination and hormone.”
t0“Sesame Seed”
Claim · model-written summary
Hormone affected phosphorus metabolism.
- Taxon
- SesameSesamum indicumt0
- Treatment
- hormonee0
- Outcome
- metabolisme0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The metabolism is found to be temperature dependent and affected by illumination and hormone.”
t0“Sesame Seed”
Claim · model-written summary
Illumination and hormone did not affect final residual phytin concentration.
- Taxon
- SesameSesamum indicumt0
- Treatment
- illuminatione0
- Outcome
- final residual concentration of phytine0
- Direction
- neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“neither illumination nor hormone affects the final residual concentration of phytin.”
t0“Sesame Seed”
Claim · model-written summary
Phytin remained in the cotyledon.
- Taxon
- SesameSesamum indicumt0
- Outcome
- phytin does not flow out of cotyledone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phytin does not flow out of cotyledon”
t0“Sesame Seed”
Claim · model-written summary
Phosphorus moved to other plant parts only in inorganic form.
- Taxon
- SesameSesamum indicumt0
- Outcome
- phosphorous flowing to other parts of the plant is always in the inorganic forme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the phosphorous flowing to other parts of the plant is always in the inorganic form.”
t0“Sesame Seed”
Claim · model-written summary
Phytate consumption followed a Gaussian decaying function.
- Taxon
- SesameSesamum indicumt0
- Outcome
- evolution profile of phytate consumptione0
- Qualifier
- Gaussian decaying functione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The overall evolution profile of phytate consumption is found to be a Gaussian decaying function.”
t0“Sesame Seed”
The same questions in other papers
light · molecular: metabolites · Sesamum indicum (sesame)Positive and negative results
2 in the opposite direction
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.