Abstract
The effects of drought on chlorophyll fluorescence characteristics of PSII, photosynthetic pigments, thylakoid membrane protein (D1), and proline content in different varieties of mung bean plants were studied. Drought stress inhibits PSII activity and induces alterations in D1 protein. We observed a greater decline in the effective quantum yield of PSII, electron transport rate, and saturating photosynthetically active photon flux density (PPFDsat) under drought stress in var. Anand than var. K-851 and var. RMG 268. This may possibly be due to either downregulation of photosynthesis or photoinhibition process. Withholding irrigation resulted in gradual diminution in total Chl content at Day 4 of stress. HPLC analysis revealed that the quantity of β-carotene in stressed plants was always higher reaching maxima at Day 4. Photoinactivation of PSII in var. Anand includes the loss of the D1 protein, probably from greater photosynthetic damage caused by drought stress than the other two varieties.
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Claims 8
Claim · model-written summary
Drought inhibited PSII activity.
- Taxon
- Vigna radiata
.jpg?width=60)
Vigna radiatat0 - Treatment
- Drought stresse0
- Outcome
- PSII activitye0
- Direction
- inhibitse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Drought stress inhibits PSII activity and induces alterations in D1 protein.”
t0“Vigna radiata”
Claim · model-written summary
Drought altered D1 protein.
- Taxon
- Vigna radiataVigna radiatat0
- Treatment
- Drought stresse0
- Gene
- D1 proteine0
- Outcome
- D1 proteine0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress inhibits PSII activity and induces alterations in D1 protein.”
t0“Vigna radiata”
Claim · model-written summary
Anand had a greater drought-related decline in effective PSII quantum yield than K-851 and RMG 268.
- Taxon
- Vigna radiataVigna radiatat0
- Material
- var. Anande0
- Treatment
- drought stresse0
- Outcome
- effective quantum yield of PSIIe0
- Direction
- greater declinee0
- Comparator
- var. K-851 and var. RMG 268e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We observed a greater decline in the effective quantum yield of PSII, electron transport rate, and saturating photosynthetically active photon flux density (PPFDsat) under drought stress in var. Anand than var. K-851 and var. RMG 268.”
t0“Vigna radiata”
Claim · model-written summary
Anand had a greater drought-related decline in electron transport rate than K-851 and RMG 268.
- Taxon
- Vigna radiataVigna radiatat0
- Material
- var. Anande0
- Treatment
- drought stresse0
- Outcome
- electron transport ratee0
- Direction
- greater declinee0
- Comparator
- var. K-851 and var. RMG 268e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We observed a greater decline in the effective quantum yield of PSII, electron transport rate, and saturating photosynthetically active photon flux density (PPFDsat) under drought stress in var. Anand than var. K-851 and var. RMG 268.”
t0“Vigna radiata”
Claim · model-written summary
Anand had a greater drought-related decline in PPFDsat than K-851 and RMG 268.
- Taxon
- Vigna radiataVigna radiatat0
- Material
- var. Anande0
- Treatment
- drought stresse0
- Outcome
- saturating photosynthetically active photon flux density (PPFDsat)e0
- Direction
- greater declinee0
- Comparator
- var. K-851 and var. RMG 268e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We observed a greater decline in the effective quantum yield of PSII, electron transport rate, and saturating photosynthetically active photon flux density (PPFDsat) under drought stress in var. Anand than var. K-851 and var. RMG 268.”
t0“Vigna radiata”
Claim · model-written summary
Withholding irrigation gradually reduced total chlorophyll by stress day 4.
- Taxon
- Vigna radiataVigna radiatat0
- Treatment
- Withholding irrigatione0
- Outcome
- total Chl contente0
- Direction
- gradual diminutione0
- Qualifier
- Day 4 of stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Withholding irrigation resulted in gradual diminution in total Chl content at Day 4 of stress.”
t0“Vigna radiata”
Claim · model-written summary
Stressed plants had higher β-carotene quantity, peaking on day 4.
- Taxon
- Vigna radiataVigna radiatat0
- Treatment
- stressed plantse0
- Outcome
- quantity of β-carotenee0
- Direction
- highere0
- Qualifier
- Day 4e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the quantity of β-carotene in stressed plants was always higher reaching maxima at Day 4.”
t0“Vigna radiata”
Claim · model-written summary
Anand lost D1 protein during PSII photoinactivation.
- Taxon
- Vigna radiataVigna radiatat0
- Material
- var. Anande0
- Gene
- D1 proteine0
- Outcome
- loss of the D1 proteine0
- Direction
- losse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photoinactivation of PSII in var. Anand includes the loss of the D1 protein”
t0“Vigna radiata”
The same questions in other papers
drought · quality: protein · Vigna radiata (mung bean)Results differ
4 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
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See all 7 papers →drought · physiology: photosynthesis · Vigna radiata (mung bean)Positive and negative results
8 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
7 papers more in this group
See all 11 papers →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.