Morphogenic gradients of adventitious bud and shoot regeneration in epicotyl explants of Citrus
Identifieur interne : 000335 ( PascalFrancis/Curation ); précédent : 000334; suivant : 000336Morphogenic gradients of adventitious bud and shoot regeneration in epicotyl explants of Citrus
Auteurs : M. G. C. Costa [Brésil] ; V. S. Alves [Brésil] ; E. R. G. Lani [Brésil] ; P. R. Mosquim [Brésil] ; C. R. Carvalho [Brésil] ; W. C. Otoni [Brésil]Source :
- Scientia horticulturae [ 0304-4238 ] ; 2004.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Horticulture.
English descriptors
- KwdEn :
Abstract
The in vitro responses of epicotyl explants from 'Cravo' rangpur lime (Citruslimonia Osb.), 'Foster' grapefruit (C. paradisi Macf.), and 'Pera' sweet orange (C. sinensis (L.) Osb.) were characterized for the first time. Further analysis was performed in 'Cravo' rangpur lime and 'Foster' grapefruit aiming to verify the in vitro morphogenesis of five distinct regions of the epicotyl under different treatments. It was observed the same general pattern of morphogenic gradient along the epicotyl axis in both citrus cultivars, with greater organogenic response as the distance of the explants from the cotyledonary node increased. This morphogenic gradient was influenced by factors related to plant material, composition of the culture medium, and conditions of incubation. The regions of the epicotyl farthest from cotyledons could be used as a source of explants in experiments of genetic transformation of the genotypes evaluated aiming to improve the efficiency of production of transgenic Citrus plants.
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adventitious bud</term>
<term>Citrus limonia</term>
<term>Citrus paradisi</term>
<term>Citrus sinensis</term>
<term>Epicotyl</term>
<term>Explant</term>
<term>Gradient</term>
<term>Grapefruit</term>
<term>Horticulture</term>
<term>Morphogenesis</term>
<term>Organogenesis</term>
<term>Regeneration</term>
<term>Shoot</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Morphogenèse</term>
<term>Gradient</term>
<term>Bourgeon adventif</term>
<term>Pousse plante</term>
<term>Régénération</term>
<term>Epicotyle</term>
<term>Explant</term>
<term>Pomélo</term>
<term>Organogenèse</term>
<term>Citrus paradisi</term>
<term>Citrus sinensis</term>
<term>Horticulture</term>
<term>Citrus limonia</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Horticulture</term>
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<front><div type="abstract" xml:lang="en">The in vitro responses of epicotyl explants from 'Cravo' rangpur lime (Citruslimonia Osb.), 'Foster' grapefruit (C. paradisi Macf.), and 'Pera' sweet orange (C. sinensis (L.) Osb.) were characterized for the first time. Further analysis was performed in 'Cravo' rangpur lime and 'Foster' grapefruit aiming to verify the in vitro morphogenesis of five distinct regions of the epicotyl under different treatments. It was observed the same general pattern of morphogenic gradient along the epicotyl axis in both citrus cultivars, with greater organogenic response as the distance of the explants from the cotyledonary node increased. This morphogenic gradient was influenced by factors related to plant material, composition of the culture medium, and conditions of incubation. The regions of the epicotyl farthest from cotyledons could be used as a source of explants in experiments of genetic transformation of the genotypes evaluated aiming to improve the efficiency of production of transgenic Citrus plants.</div>
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<fC01 i1="01" l="ENG"><s0>The in vitro responses of epicotyl explants from 'Cravo' rangpur lime (Citruslimonia Osb.), 'Foster' grapefruit (C. paradisi Macf.), and 'Pera' sweet orange (C. sinensis (L.) Osb.) were characterized for the first time. Further analysis was performed in 'Cravo' rangpur lime and 'Foster' grapefruit aiming to verify the in vitro morphogenesis of five distinct regions of the epicotyl under different treatments. It was observed the same general pattern of morphogenic gradient along the epicotyl axis in both citrus cultivars, with greater organogenic response as the distance of the explants from the cotyledonary node increased. This morphogenic gradient was influenced by factors related to plant material, composition of the culture medium, and conditions of incubation. The regions of the epicotyl farthest from cotyledons could be used as a source of explants in experiments of genetic transformation of the genotypes evaluated aiming to improve the efficiency of production of transgenic Citrus plants.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A32</s0>
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<fC03 i1="01" i2="X" l="FRE"><s0>Morphogenèse</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Morphogenesis</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Morfogénesis</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Gradient</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Gradient</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Gradiente</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Bourgeon adventif</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Adventitious bud</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Yema adventicia</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Pousse plante</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Shoot</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Brote planta</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Régénération</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Regeneration</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Regeneración</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Epicotyle</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Epicotyl</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Epicotilo</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Explant</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Explant</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Explante</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Pomélo</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Grapefruit</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Toronja</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Organogenèse</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Organogenesis</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Organogénesis</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Citrus paradisi</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Citrus paradisi</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Citrus paradisi</s0>
<s2>NS</s2>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Horticulture</s0>
<s5>27</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Horticulture</s0>
<s5>27</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Horticultura</s0>
<s5>27</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Citrus limonia</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Citrus limonia</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Citrus limonia</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
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<fC07 i1="03" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
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<s2>NS</s2>
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<s2>NS</s2>
</fC07>
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<s2>NS</s2>
</fC07>
<fN21><s1>299</s1>
</fN21>
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</fN44>
<fN82><s1>OTO</s1>
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