PoplarV1, Main, Exploration, bibRecord, 003F14

[Effects of exogenous nitric oxide on drought-resistance of poplar].

Identifieur interne : 003F14 ( Main/Exploration ); précédent : 003F13; suivant : 003F15

[Effects of exogenous nitric oxide on drought-resistance of poplar].

Auteurs : Miao Wang [République populaire de Chine] ; Qiurong Li ; Shilei Fu ; Dongmei Xiao ; Baili Dong

Source :

Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2005.

RBID : pubmed:16110649

Descripteurs français

KwdFr :
- Catastrophes (MeSH), Eau (analyse), Feuilles de plante (physiologie), Monoxyde d'azote (pharmacologie), Oxydoréduction (MeSH), Populus (croissance et développement), Sol (analyse).
MESH :
- analyse : Eau, Sol.
- croissance et développement : Populus.
- pharmacologie : Monoxyde d'azote.
- physiologie : Feuilles de plante.
- Catastrophes, Oxydoréduction.

English descriptors

KwdEn :
- Disasters (MeSH), Nitric Oxide (pharmacology), Oxidation-Reduction (MeSH), Plant Leaves (physiology), Populus (growth & development), Soil (analysis), Water (analysis).
MESH :
- chemical , analysis : Soil, Water.
- chemical , pharmacology : Nitric Oxide.
- growth & development : Populus.
- physiology : Plant Leaves.
- Disasters, Oxidation-Reduction.

Abstract

This paper studied the effects of NO donor sodium nitroprusside (SNP) on the photosynthesis and active oxygen-scavenging enzyme activities of poplar leaves under drought stress. The results showed that SNP had a remarkable positive effect on leaf water content. When the SNP level was > 500 micromol.L(-1), no significant difference in leaf water content was found between SNP treatments. SNP could increase photosynthesis rate, photochemical efficiency of PSII (F(v)/F(m)), and ratios of F(m)/F(o) and F(v)/F(o), but the effects decreased with the prolongation of drought stress. The SOD and POD activities of poplar leaves were higher in short time (1 h) drought stress than in longer time (3 h) one. The activity of POD was increased by SNP, while that of SOD was changed little. With increasing SNP level, the POD and SOD activities first increased and then decreased. The NO donor could retard the accumulation of active oxygen through inducing POD and SOD activities, alleviate the effects of drought stress on photosynthesis, and increase the drought-resistance of poplar.

PubMed: 16110649

Affiliations:

République populaire de Chine

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Le document en format XML

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<author><name sortKey="Wang, Miao" sort="Wang, Miao" uniqKey="Wang M" first="Miao" last="Wang">Miao Wang</name>
<affiliation wicri:level="1"><nlm:affiliation>Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China. wangmiao@iae.ac.cn</nlm:affiliation>
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<wicri:regionArea>Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang</wicri:regionArea>
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<author><name sortKey="Li, Qiurong" sort="Li, Qiurong" uniqKey="Li Q" first="Qiurong" last="Li">Qiurong Li</name>
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<author><name sortKey="Fu, Shilei" sort="Fu, Shilei" uniqKey="Fu S" first="Shilei" last="Fu">Shilei Fu</name>
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<author><name sortKey="Xiao, Dongmei" sort="Xiao, Dongmei" uniqKey="Xiao D" first="Dongmei" last="Xiao">Dongmei Xiao</name>
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<author><name sortKey="Dong, Baili" sort="Dong, Baili" uniqKey="Dong B" first="Baili" last="Dong">Baili Dong</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Disasters (MeSH)</term>
<term>Nitric Oxide (pharmacology)</term>
<term>Oxidation-Reduction (MeSH)</term>
<term>Plant Leaves (physiology)</term>
<term>Populus (growth & development)</term>
<term>Soil (analysis)</term>
<term>Water (analysis)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Catastrophes (MeSH)</term>
<term>Eau (analyse)</term>
<term>Feuilles de plante (physiologie)</term>
<term>Monoxyde d'azote (pharmacologie)</term>
<term>Oxydoréduction (MeSH)</term>
<term>Populus (croissance et développement)</term>
<term>Sol (analyse)</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Soil</term>
<term>Water</term>
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<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Nitric Oxide</term>
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<term>Sol</term>
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<keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Monoxyde d'azote</term>
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<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Feuilles de plante</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Leaves</term>
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<keywords scheme="MESH" xml:lang="en"><term>Disasters</term>
<term>Oxidation-Reduction</term>
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<term>Oxydoréduction</term>
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<front><div type="abstract" xml:lang="en">This paper studied the effects of NO donor sodium nitroprusside (SNP) on the photosynthesis and active oxygen-scavenging enzyme activities of poplar leaves under drought stress. The results showed that SNP had a remarkable positive effect on leaf water content. When the SNP level was > 500 micromol.L(-1), no significant difference in leaf water content was found between SNP treatments. SNP could increase photosynthesis rate, photochemical efficiency of PSII (F(v)/F(m)), and ratios of F(m)/F(o) and F(v)/F(o), but the effects decreased with the prolongation of drought stress. The SOD and POD activities of poplar leaves were higher in short time (1 h) drought stress than in longer time (3 h) one. The activity of POD was increased by SNP, while that of SOD was changed little. With increasing SNP level, the POD and SOD activities first increased and then decreased. The NO donor could retard the accumulation of active oxygen through inducing POD and SOD activities, alleviate the effects of drought stress on photosynthesis, and increase the drought-resistance of poplar.</div>
</front>
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<DateCompleted><Year>2006</Year>
<Month>06</Month>
<Day>20</Day>
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<DateRevised><Year>2017</Year>
<Month>11</Month>
<Day>16</Day>
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<Issue>5</Issue>
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<Pagination><MedlinePgn>805-10</MedlinePgn>
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<Abstract><AbstractText>This paper studied the effects of NO donor sodium nitroprusside (SNP) on the photosynthesis and active oxygen-scavenging enzyme activities of poplar leaves under drought stress. The results showed that SNP had a remarkable positive effect on leaf water content. When the SNP level was > 500 micromol.L(-1), no significant difference in leaf water content was found between SNP treatments. SNP could increase photosynthesis rate, photochemical efficiency of PSII (F(v)/F(m)), and ratios of F(m)/F(o) and F(v)/F(o), but the effects decreased with the prolongation of drought stress. The SOD and POD activities of poplar leaves were higher in short time (1 h) drought stress than in longer time (3 h) one. The activity of POD was increased by SNP, while that of SOD was changed little. With increasing SNP level, the POD and SOD activities first increased and then decreased. The NO donor could retard the accumulation of active oxygen through inducing POD and SOD activities, alleviate the effects of drought stress on photosynthesis, and increase the drought-resistance of poplar.</AbstractText>
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[Effects of exogenous nitric oxide on drought-resistance of poplar].

[Effects of exogenous nitric oxide on drought-resistance of poplar].

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki