Abstract
Changes of fatty acid and protein composition of endoplasmic reticulum(ER) membrane in root and leaf of Broussonetia papyrifera(L.) L'Hrit.ex Vent.plantlets at stress condition of 50-150 mmol·L-1 NaCl were studied by gas chromatography and SDS-PAGE electrophoresis.The results show that there are obvious differences in fatty acid composition of ER membrane in root and leaf,but the relative content of unsaturated fatty acids in both of them is higher.The fatty acid composition is mainly consisted of palmitic acid,stearic acid,palmitoleic acid,oleic acid,linoleic acid and linolelaidic acid,and there are also arachidic acid,behenic acid,lignoceric acid,linolenic acid and cis-11,14-eicosadienoic acid in root and elaidic acid in leaf.The index of unsaturated fatty acids(IUFA) is higher in root than in leaf.NaCl stress has a certain influence on fatty acid and protein compositions of ER membrane in root and leaf of B.papyrifera plantlets.In root,the relative content of saturated fatty acids of ER membrane increases,while the relative content of unsaturated fatty acids decreases,and the IUFA decreases gradually with the increase of NaCl concentration.In leaf,the variation trend of relative content of each fatty acid varies,the IUFA of ER membrane under low NaCl concentration is higher than that of the control,and then declines with the increase of NaCl concentration.Moreover,the decrease range of IUFA in root is greater than that in leaf.Protein composition of ER membrane in root and leaf is obviously different.NaCl stress with different concentrations not only has an effect on the expression amount of proteins in ER membrane,but also lead to the protein band with a relative molecular weight of 70 000 in root disappearing and a new protein band with a relative molecular weight of 95 000 in leaf appearing.
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Claims 15
Claim · model-written summary
Root and leaf ER membranes differed in fatty acid composition.
- Taxon
- Broussonetia papyrifera
Broussonetia papyriferat0 - Organ / stage
- root and leafe0
- Outcome
- differences in fatty acid composition of ER membranee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there are obvious differences in fatty acid composition of ER membrane in root and leaf”
t0“Broussonetia papyrifera”
Claim · model-written summary
Unsaturated fatty acids had higher relative content in both root and leaf.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Outcome
- relative content of unsaturated fatty acidse0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the relative content of unsaturated fatty acids in both of them is higher.”
t0“Broussonetia papyrifera”
Claim · model-written summary
The ER fatty acid composition mainly comprised six named acids.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Outcome
- fatty acid compositione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fatty acid composition is mainly consisted of palmitic acid,stearic acid,palmitoleic acid,oleic acid,linoleic acid and linolelaidic acid”
t0“Broussonetia papyrifera”
Claim · model-written summary
Additional root and leaf fatty acids were identified.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Outcome
- arachidic acid,behenic acid,lignoceric acid,linolenic acid and cis-11,14-eicosadienoic acid in root and elaidic acid in leafe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there are also arachidic acid,behenic acid,lignoceric acid,linolenic acid and cis-11,14-eicosadienoic acid in root and elaidic acid in leaf.”
t0“Broussonetia papyrifera”
Claim · model-written summary
The unsaturated fatty acid index was higher in roots than leaves.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Organ / stage
- roote0
- Outcome
- index of unsaturated fatty acids(IUFA)e0
- Direction
- highere0
- Comparator
- leafe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The index of unsaturated fatty acids(IUFA) is higher in root than in leaf.”
t0“Broussonetia papyrifera”
Claim · model-written summary
Salt stress increased saturated fatty acids in root ER membranes.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Organ / stage
- roote0
- Treatment
- NaCl stresse1
- Outcome
- relative content of saturated fatty acids of ER membranee0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In root,the relative content of saturated fatty acids of ER membrane increases”
e1“NaCl stress has a certain influence on fatty acid and protein compositions of ER membrane in root and leaf of B.papyrifera plantlets.”
t0“Broussonetia papyrifera”
Claim · model-written summary
Root unsaturated fatty acid content decreased under salt stress.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Organ / stage
- root and leafe1
- Treatment
- NaCl stresse1
- Outcome
- relative content of unsaturated fatty acidse0
- Direction
- decreasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while the relative content of unsaturated fatty acids decreases”
e1“NaCl stress has a certain influence on fatty acid and protein compositions of ER membrane in root and leaf of B.papyrifera plantlets.”
t0“Broussonetia papyrifera”
Claim · model-written summary
Root IUFA declined as NaCl concentration increased.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Treatment
- NaCl concentratione0
- Outcome
- IUFAe0
- Direction
- decreases graduallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the IUFA decreases gradually with the increase of NaCl concentration.”
t0“Broussonetia papyrifera”
Claim · model-written summary
Leaf IUFA exceeded the control at low NaCl concentration.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Treatment
- low NaCl concentratione0
- Outcome
- IUFA of ER membranee0
- Direction
- highere0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the IUFA of ER membrane under low NaCl concentration is higher than that of the control”
t0“Broussonetia papyrifera”
Claim · model-written summary
Leaf IUFA declined as NaCl concentration increased further.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Treatment
- NaCl concentratione0
- Outcome
- IUFA of ER membranee1
- Direction
- declinese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“then declines with the increase of NaCl concentration.”
e1“In leaf,the variation trend of relative content of each fatty acid varies,the IUFA of ER membrane under low NaCl concentration is higher than that of the control”
t0“Broussonetia papyrifera”
Claim · model-written summary
IUFA declined more in roots than leaves.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Organ / stage
- roote0
- Outcome
- decrease range of IUFAe0
- Direction
- greatere0
- Comparator
- leafe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the decrease range of IUFA in root is greater than that in leaf.”
t0“Broussonetia papyrifera”
Claim · model-written summary
ER membrane protein composition differed between roots and leaves.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Organ / stage
- root and leafe0
- Outcome
- Protein composition of ER membranee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Protein composition of ER membrane in root and leaf is obviously different.”
t0“Broussonetia papyrifera”
Claim · model-written summary
NaCl stress affected expression amounts of ER membrane proteins.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Treatment
- NaCl stress with different concentrationse0
- Outcome
- expression amount of proteins in ER membranee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl stress with different concentrations not only has an effect on the expression amount of proteins in ER membrane”
t0“Broussonetia papyrifera”
Claim · model-written summary
NaCl stress caused a root ER protein band of relative molecular weight 70 000 to disappear.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Organ / stage
- roote0
- Treatment
- NaCl stress with different concentrationse1
- Outcome
- protein band with a relative molecular weight of 70 000 in root disappearinge0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the protein band with a relative molecular weight of 70 000 in root disappearing”
e1“NaCl stress with different concentrations”
t0“Broussonetia papyrifera”
Claim · model-written summary
NaCl stress caused a new leaf ER protein band of relative molecular weight 95 000 to appear.
- Taxon
- Broussonetia papyriferaBroussonetia papyriferat0
- Organ / stage
- leafe0
- Treatment
- NaCl stress with different concentrationse1
- Outcome
- new protein band with a relative molecular weight of 95 000 in leaf appearinge0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a new protein band with a relative molecular weight of 95 000 in leaf appearing.”
e1“NaCl stress with different concentrations”
t0“Broussonetia papyrifera”
The same questions in other papers
sodium chloride · quality: protein · Broussonetia papyrifera (paper mulberry)Results agree
1 paper in the same direction as this paper
- no effect
salinity · quality: protein · Broussonetia papyrifera (paper mulberry)Results agree
1 paper in the same direction as this paper
- no effect
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.