OrangerV1, PascalFrancis, Curation, bibRecord, 000958

Cellular boron allocation and pectin composition in two citrus rootstock seedlings differing in boron-deficiency response

Identifieur interne : 000958 ( PascalFrancis/Curation ); précédent : 000957; suivant : 000959

Cellular boron allocation and pectin composition in two citrus rootstock seedlings differing in boron-deficiency response

Auteurs : Gui-Dong Liu [République populaire de Chine] ; Rui-Dong Wang [République populaire de Chine] ; Lei-Chao Liu [République populaire de Chine] ; Li-Shu Wu [République populaire de Chine] ; Cun-Cang Jiang [République populaire de Chine]

Source :

Plant and soil [ 0032-079X ] ; 2013.

RBID : Pascal:13-0289581

Descripteurs français

Pascal (Inist)
- Affectation, Porte greffe, Stade juvénile plante, Déficit, Réponse, Efficacité, Paroi cellulaire, Relation sol plante, Rutaceae, Agrume, Bore, Pectine.
Wicri :
- topic : Déficit, Agrume.

English descriptors

KwdEn :
- Allocation, Boron, Cell wall, Citrus fruit, Deficiency, Efficiency, Pectin, Plant juvenile growth stage, Response, Rootstock, Rutaceae, Soil plant relation.

Abstract

Aims Variation in boron (B) efficiency in citrus in different rootstock genotypes is expressed as large differences in the occurrence of leaf symptoms and dry mass production under low B conditions, but the mechanisms responsible for such differences are unknown. This paper aims to determine whether differences in B uptake, cellular B allocation, and pectin content can explain genotype differences in B efficiency between B-efficient citrange (Citrus sinensis (L.) Osb. x Poncirus trifoliata (L.) Raf.) and B-inefficient trifoliate orange (Poncirus trifoliata (L.) Raf.) citrus rootstock. Methods Plants were grown hydroponically in a nutrient solution supplemented with 5 μMB for 14 days and then transferred to a B-free medium (0 μMB) or control medium (5 μM B) for 35 days. Boron uptake and allocation and cell wall pectin contents were examined. Results After 35 days under B deprivation, shoot dry mass in trifoliate orange decreased by 28 %, but shoot dry mass of citrange was not significantly affected. Root growth of both types of rootstock seedlings was inhibited, but the trifoliate orange was affected more than the citrange. In comparison with B concentrations in plants prior to the commencement of B treatments, B deprivation for 35 days decreased B concentration in various parts of citrange plants, and the reduction was much greater in trifoliate orange plants. Trifoliate orange seedlings contained higher B concentration and total B in cell wall on a dry leaf basis than citrange subject to 5 μM B treatment. However, the proportion of leaf B allocated in cell wall was higher in citrange than trifoliate orange when B supply was deficient in the nutrient. The changes in pectin composition in cell wall due to B deprivation differed between citrange and trifoliate orange. The decreased uronic acid (UA) content in the Na₂CO₃-soluble pectin was observed in both rootstock, but the increased UA content in CDTA-soluble pectin was observed only in citrange. Conclusions These results demonstrated that a combination of greater B uptake ability, greater B accumulation in cell walls, as well as the increased CDTA-soluble pectin, under limited external B supply, contribute to the integrity of cell walls in citrange and therefore increased tolerance to B deficiency.

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C01	`01`		`ENG`	@0 Aims Variation in boron (B) efficiency in citrus in different rootstock genotypes is expressed as large differences in the occurrence of leaf symptoms and dry mass production under low B conditions, but the mechanisms responsible for such differences are unknown. This paper aims to determine whether differences in B uptake, cellular B allocation, and pectin content can explain genotype differences in B efficiency between B-efficient citrange (Citrus sinensis (L.) Osb. x Poncirus trifoliata (L.) Raf.) and B-inefficient trifoliate orange (Poncirus trifoliata (L.) Raf.) citrus rootstock. Methods Plants were grown hydroponically in a nutrient solution supplemented with 5 μMB for 14 days and then transferred to a B-free medium (0 μMB) or control medium (5 μM B) for 35 days. Boron uptake and allocation and cell wall pectin contents were examined. Results After 35 days under B deprivation, shoot dry mass in trifoliate orange decreased by 28 %, but shoot dry mass of citrange was not significantly affected. Root growth of both types of rootstock seedlings was inhibited, but the trifoliate orange was affected more than the citrange. In comparison with B concentrations in plants prior to the commencement of B treatments, B deprivation for 35 days decreased B concentration in various parts of citrange plants, and the reduction was much greater in trifoliate orange plants. Trifoliate orange seedlings contained higher B concentration and total B in cell wall on a dry leaf basis than citrange subject to 5 μM B treatment. However, the proportion of leaf B allocated in cell wall was higher in citrange than trifoliate orange when B supply was deficient in the nutrient. The changes in pectin composition in cell wall due to B deprivation differed between citrange and trifoliate orange. The decreased uronic acid (UA) content in the Na₂CO₃-soluble pectin was observed in both rootstock, but the increased UA content in CDTA-soluble pectin was observed only in citrange. Conclusions These results demonstrated that a combination of greater B uptake ability, greater B accumulation in cell walls, as well as the increased CDTA-soluble pectin, under limited external B supply, contribute to the integrity of cell walls in citrange and therefore increased tolerance to B deficiency.
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C03	`12`	`X`	`FRE`	`@0 Pectine @5 16`
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C03	`12`	`X`	`SPA`	`@0 Pectina @5 16`
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C07	`02`	`X`	`SPA`	`@0 Angiospermae @2 NS`
C07	`03`	`X`	`FRE`	`@0 Spermatophyta @2 NS`
C07	`03`	`X`	`ENG`	`@0 Spermatophyta @2 NS`
C07	`03`	`X`	`SPA`	`@0 Spermatophyta @2 NS`
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C07	`06`	`X`	`FRE`	`@0 Polyoside @2 NK @5 50`
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C07	`06`	`X`	`SPA`	`@0 Poliósido @2 NK @5 50`
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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Allocation</term>
<term>Boron</term>
<term>Cell wall</term>
<term>Citrus fruit</term>
<term>Deficiency</term>
<term>Efficiency</term>
<term>Pectin</term>
<term>Plant juvenile growth stage</term>
<term>Response</term>
<term>Rootstock</term>
<term>Rutaceae</term>
<term>Soil plant relation</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Affectation</term>
<term>Porte greffe</term>
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<term>Réponse</term>
<term>Efficacité</term>
<term>Paroi cellulaire</term>
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<term>Rutaceae</term>
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<term>Bore</term>
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<front><div type="abstract" xml:lang="en">Aims Variation in boron (B) efficiency in citrus in different rootstock genotypes is expressed as large differences in the occurrence of leaf symptoms and dry mass production under low B conditions, but the mechanisms responsible for such differences are unknown. This paper aims to determine whether differences in B uptake, cellular B allocation, and pectin content can explain genotype differences in B efficiency between B-efficient citrange (Citrus sinensis (L.) Osb. x Poncirus trifoliata (L.) Raf.) and B-inefficient trifoliate orange (Poncirus trifoliata (L.) Raf.) citrus rootstock. Methods Plants were grown hydroponically in a nutrient solution supplemented with 5 μMB for 14 days and then transferred to a B-free medium (0 μMB) or control medium (5 μM B) for 35 days. Boron uptake and allocation and cell wall pectin contents were examined. Results After 35 days under B deprivation, shoot dry mass in trifoliate orange decreased by 28 %, but shoot dry mass of citrange was not significantly affected. Root growth of both types of rootstock seedlings was inhibited, but the trifoliate orange was affected more than the citrange. In comparison with B concentrations in plants prior to the commencement of B treatments, B deprivation for 35 days decreased B concentration in various parts of citrange plants, and the reduction was much greater in trifoliate orange plants. Trifoliate orange seedlings contained higher B concentration and total B in cell wall on a dry leaf basis than citrange subject to 5 μM B treatment. However, the proportion of leaf B allocated in cell wall was higher in citrange than trifoliate orange when B supply was deficient in the nutrient. The changes in pectin composition in cell wall due to B deprivation differed between citrange and trifoliate orange. The decreased uronic acid (UA) content in the Na<sub>2</sub>
CO<sub>3</sub>
-soluble pectin was observed in both rootstock, but the increased UA content in CDTA-soluble pectin was observed only in citrange. Conclusions These results demonstrated that a combination of greater B uptake ability, greater B accumulation in cell walls, as well as the increased CDTA-soluble pectin, under limited external B supply, contribute to the integrity of cell walls in citrange and therefore increased tolerance to B deficiency.</div>
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</fA43>
<fA44><s0>0000</s0>
<s1>© 2013 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>1 p.3/4</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>13-0289581</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Plant and soil</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Aims Variation in boron (B) efficiency in citrus in different rootstock genotypes is expressed as large differences in the occurrence of leaf symptoms and dry mass production under low B conditions, but the mechanisms responsible for such differences are unknown. This paper aims to determine whether differences in B uptake, cellular B allocation, and pectin content can explain genotype differences in B efficiency between B-efficient citrange (Citrus sinensis (L.) Osb. x Poncirus trifoliata (L.) Raf.) and B-inefficient trifoliate orange (Poncirus trifoliata (L.) Raf.) citrus rootstock. Methods Plants were grown hydroponically in a nutrient solution supplemented with 5 μMB for 14 days and then transferred to a B-free medium (0 μMB) or control medium (5 μM B) for 35 days. Boron uptake and allocation and cell wall pectin contents were examined. Results After 35 days under B deprivation, shoot dry mass in trifoliate orange decreased by 28 %, but shoot dry mass of citrange was not significantly affected. Root growth of both types of rootstock seedlings was inhibited, but the trifoliate orange was affected more than the citrange. In comparison with B concentrations in plants prior to the commencement of B treatments, B deprivation for 35 days decreased B concentration in various parts of citrange plants, and the reduction was much greater in trifoliate orange plants. Trifoliate orange seedlings contained higher B concentration and total B in cell wall on a dry leaf basis than citrange subject to 5 μM B treatment. However, the proportion of leaf B allocated in cell wall was higher in citrange than trifoliate orange when B supply was deficient in the nutrient. The changes in pectin composition in cell wall due to B deprivation differed between citrange and trifoliate orange. The decreased uronic acid (UA) content in the Na<sub>2</sub>
CO<sub>3</sub>
-soluble pectin was observed in both rootstock, but the increased UA content in CDTA-soluble pectin was observed only in citrange. Conclusions These results demonstrated that a combination of greater B uptake ability, greater B accumulation in cell walls, as well as the increased CDTA-soluble pectin, under limited external B supply, contribute to the integrity of cell walls in citrange and therefore increased tolerance to B deficiency.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A32C02B</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002A14</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Affectation</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Allocation</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Afectación</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Porte greffe</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Rootstock</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Portainjerto</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Stade juvénile plante</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Plant juvenile growth stage</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Estado juvenil planta</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Déficit</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Deficiency</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Déficiencia</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Réponse</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Response</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Respuesta</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Efficacité</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Efficiency</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Eficacia</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Paroi cellulaire</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Cell wall</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Pared celular</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Relation sol plante</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Soil plant relation</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Relación suelo planta</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Agrume</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Agrios</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Bore</s0>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Boron</s0>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Boro</s0>
<s2>NC</s2>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Pectine</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Pectin</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Pectina</s0>
<s5>16</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Non métal</s0>
<s2>NC</s2>
<s5>33</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Non metal</s0>
<s2>NC</s2>
<s5>33</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>No metal</s0>
<s2>NC</s2>
<s5>33</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Stade développement</s0>
<s5>34</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Developmental stage</s0>
<s5>34</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Grado desarrollo</s0>
<s5>34</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Polyoside</s0>
<s2>NK</s2>
<s5>50</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Polysaccharide</s0>
<s2>NK</s2>
<s5>50</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Poliósido</s0>
<s2>NK</s2>
<s5>50</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Glucide</s0>
<s5>51</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Carbohydrate</s0>
<s5>51</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Glúcido</s0>
<s5>51</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Oside</s0>
<s5>52</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Oside</s0>
<s5>52</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Osido</s0>
<s5>52</s5>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Composé biochimique</s0>
<s5>53</s5>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Biochemical compound</s0>
<s5>53</s5>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Compuesto bioquímico</s0>
<s5>53</s5>
</fC07>
<fN21><s1>273</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>

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Cellular boron allocation and pectin composition in two citrus rootstock seedlings differing in boron-deficiency response

Cellular boron allocation and pectin composition in two citrus rootstock seedlings differing in boron-deficiency response

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