Morphogenic gradients of adventitious bud and shoot regeneration in epicotyl explants of Citrus
Identifieur interne : 002993 ( Main/Curation ); précédent : 002992; suivant : 002994Morphogenic 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.
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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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G. C." last="Costa">M. G. C. Costa</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Plant Biology, Federal University of Viçosa, University Campus, Peter Henry Rolfs Avenue</s1><s2>36571-000 Viçosa, MG</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Alves, V S" sort="Alves, V S" uniqKey="Alves V" first="V. S." last="Alves">V. S. Alves</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Plant Biology, Federal University of Viçosa, University Campus, Peter Henry Rolfs Avenue</s1><s2>36571-000 Viçosa, MG</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Lani, E R G" sort="Lani, E R G" uniqKey="Lani E" first="E. R. G." last="Lani">E. R. G. Lani</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Plant Science, Federal University of Viçosa, University Campus, Peter Henry Rolfs Avenue</s1><s2>36571-000 Viçosa, MG</s2><s3>BRA</s3><sZ>3 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Mosquim, P R" sort="Mosquim, P R" uniqKey="Mosquim P" first="P. R." last="Mosquim">P. R. Mosquim</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Plant Biology, Federal University of Viçosa, University Campus, Peter Henry Rolfs Avenue</s1><s2>36571-000 Viçosa, MG</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Carvalho, C R" sort="Carvalho, C R" uniqKey="Carvalho C" first="C. R." last="Carvalho">C. R. Carvalho</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>General Biology, Federal University of Viçosa, University Campus, Peter Henry Rolfs Avenue</s1><s2>36571-000 Viçosa, MG</s2><s3>BRA</s3><sZ>5 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Otoni, W C" sort="Otoni, W C" uniqKey="Otoni W" first="W. C." last="Otoni">W. C. Otoni</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Plant Biology, Federal University of Viçosa, University Campus, Peter Henry Rolfs Avenue</s1><s2>36571-000 Viçosa, MG</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Scientia horticulturae</title><title level="j" type="abbreviated">Sci. hortic.</title><idno type="ISSN">0304-4238</idno><imprint><date when="2004">2004</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Scientia horticulturae</title><title level="j" type="abbreviated">Sci. hortic.</title><idno type="ISSN">0304-4238</idno></seriesStmt></fileDesc><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></keywords></textClass></profileDesc></teiHeader><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></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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