Abstract
SUMMARY Radio‐labelled phosphate ( 32 P) was used to study the effect of 150 mM NaCl on P 1 uptake and P distribution in the roots of cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2), Salinity inhibited P, uptake more severely at low P 1 concentration (30μM) than at high P, concentration (1 niM). Data of 32 P 1 uptake at low P 1 concentration μM range) in the nutrient solution showed a typical Michaelis‐Menten hyperbolic curve (uptake rate VS max concentration). NaCl increased the apparent K m (from 2.23 to 4.73 μM and decreased the apparent V max (from 1.18 to 0.87 μmol g −1 f. wt h −1 ). High NaCl inhibited P, uptake in the mature root zone. However, salinity enhanced P, uptake in the root tips. We speculate that salinity may induce alkalinization of the cytoplasm in root tips cells, increasing the transmembrane pH gradient and therefore P, uptake. Our results showed an inhibition of 32 P transport within the roots and from the roots to the shoots m the salt treatment.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 7
Claim · model-written summary
Salinity inhibited cotton phosphate uptake more severely at low than high phosphate concentration.
- Taxon
- cotton
Gossypium hirsutume1 - Treatment
- Salinitye0
- Outcome
- P, uptakee0
- Direction
- inhibitede0
- Qualifier
- low P 1 concentration (30μM)e0
- Comparator
- high P, concentration (1 niM)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity inhibited P, uptake more severely at low P 1 concentration (30μM) than at high P, concentration (1 niM)”
e1“cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2)”
Claim · model-written summary
At low phosphate concentration, uptake followed a Michaelis–Menten hyperbolic curve.
- Taxon
- cottonGossypium hirsutume1
- Outcome
- 32 P 1 uptakee0
- Qualifier
- typical Michaelis‐Menten hyperbolic curvee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Data of 32 P 1 uptake at low P 1 concentration μM range) in the nutrient solution showed a typical Michaelis‐Menten hyperbolic curve (uptake rate VS max concentration).”
e1“cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2)”
Claim · model-written summary
NaCl increased apparent phosphate uptake Km from 2.23 to 4.73 μM.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- NaCle0
- Outcome
- apparent K me0
- Direction
- increasede0
- Value
- 2.23 to 4.73 μMe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl increased the apparent K m (from 2.23 to 4.73 μM”
e1“cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2)”
Claim · model-written summary
NaCl decreased apparent phosphate uptake Vmax from 1.18 to 0.87 μmol g−1 fresh weight per hour.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- NaCle2
- Outcome
- apparent V maxe0
- Direction
- decreasede0
- Value
- 1.18 to 0.87 μmol g −1 f. wt h −1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased the apparent V max (from 1.18 to 0.87 μmol g −1 f. wt h −1”
e1“cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2)”
e2“NaCl increased the apparent K m”
Claim · model-written summary
High NaCl inhibited phosphate uptake in the mature cotton root zone.
- Taxon
- cottonGossypium hirsutume1
- Organ / stage
- mature root zonee0
- Treatment
- High NaCle0
- Outcome
- P, uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High NaCl inhibited P, uptake in the mature root zone.”
e1“cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2)”
Claim · model-written summary
Salinity enhanced phosphate uptake in cotton root tips.
- Taxon
- cottonGossypium hirsutume1
- Organ / stage
- root tipse0
- Treatment
- salinitye0
- Outcome
- P, uptakee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity enhanced P, uptake in the root tips”
e1“cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2)”
Claim · model-written summary
Salt treatment inhibited phosphate transport within cotton roots and from roots to shoots.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- salt treatmente0
- Outcome
- 32 P transport within the roots and from the roots to the shootse0
- Direction
- inhibitione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“inhibition of 32 P transport within the roots and from the roots to the shoots m the salt treatment”
e1“cotton plants (Gossypium hirsutum L. cv Alcala SJ‐2)”
The same questions in other papers
sodium chloride · nutrient: content · Gossypium hirsutum (cotton)Positive and negative results
9 papers in the same direction as this paper · 1 in the opposite direction
- negative
- negative
- positive
7 papers more in this group
See all 11 papers →salinity · nutrient: content · Gossypium hirsutum (cotton)Positive and negative results
4 papers in the same direction as this paper · 22 in the opposite direction
- negative
- negative
- negative
23 papers more in this group
See all 27 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.