Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty
Morphological and histocytological characteristics of Acacia mangium shoot apical meristems (SAMs) were assessed in natural and in vitro conditions in relation to heteroblasty. In the natural environment, SAMs with a mature-phyllode morphology were much bigger, contained more cells with larger vacuolated area, or vacuome, and lower nucleoplasmic ratios than those from the juvenile type (Juv). In these latter, nuclei appeared more voluminous, evenly and lightly stained, with clearly distinguishable nucleolei and less abundant chromocenters. In vitro, where reversions from mature to juvenile morphological traits do occur unpredictably, heteroblasty was less obvious in the SAM characteristics examined. In vitro SAMs corresponding to the juvenile and mature types showed similarities with outdoor Juv SAMs, but could be distinguished from these latter by a much larger vacuome that might be induced by the culture conditions. These findings encourage pursuing the investigations at the chromatin and nucleolus level in SAM zones where heteroblasty-related differences have been detected.
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Subjects: | F62 - Physiologie végétale - Croissance et développement, F02 - Multiplication végétative des plantes, K10 - Production forestière, Acacia mangium, développement biologique, culture de méristème, méristème apical, vieillissement, feuille, culture in vitro, pathologie, http://aims.fao.org/aos/agrovoc/c_42, http://aims.fao.org/aos/agrovoc/c_921, http://aims.fao.org/aos/agrovoc/c_7043, http://aims.fao.org/aos/agrovoc/c_528, http://aims.fao.org/aos/agrovoc/c_192, http://aims.fao.org/aos/agrovoc/c_4243, http://aims.fao.org/aos/agrovoc/c_24135, http://aims.fao.org/aos/agrovoc/c_5631, |
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dig-cirad-fr-5640782024-01-28T20:23:34Z http://agritrop.cirad.fr/564078/ http://agritrop.cirad.fr/564078/ Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty. Hatt Clémence, Mankessi François, Durand Jean-Baptiste, Boudon Frédéric, Montes Fabienne, Lartaud Marc, Verdeil Jean-Luc, Monteuuis Olivier. 2012. Trees, 26 (3) : 1031-1044.https://doi.org/10.1007/s00468-012-0680-0 <https://doi.org/10.1007/s00468-012-0680-0> Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty Hatt, Clémence Mankessi, François Durand, Jean-Baptiste Boudon, Frédéric Montes, Fabienne Lartaud, Marc Verdeil, Jean-Luc Monteuuis, Olivier eng 2012 Trees F62 - Physiologie végétale - Croissance et développement F02 - Multiplication végétative des plantes K10 - Production forestière Acacia mangium développement biologique culture de méristème méristème apical vieillissement feuille culture in vitro pathologie http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_528 http://aims.fao.org/aos/agrovoc/c_192 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_5631 Morphological and histocytological characteristics of Acacia mangium shoot apical meristems (SAMs) were assessed in natural and in vitro conditions in relation to heteroblasty. In the natural environment, SAMs with a mature-phyllode morphology were much bigger, contained more cells with larger vacuolated area, or vacuome, and lower nucleoplasmic ratios than those from the juvenile type (Juv). In these latter, nuclei appeared more voluminous, evenly and lightly stained, with clearly distinguishable nucleolei and less abundant chromocenters. In vitro, where reversions from mature to juvenile morphological traits do occur unpredictably, heteroblasty was less obvious in the SAM characteristics examined. In vitro SAMs corresponding to the juvenile and mature types showed similarities with outdoor Juv SAMs, but could be distinguished from these latter by a much larger vacuome that might be induced by the culture conditions. These findings encourage pursuing the investigations at the chromatin and nucleolus level in SAM zones where heteroblasty-related differences have been detected. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/564078/1/document_564078.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s00468-012-0680-0 10.1007/s00468-012-0680-0 info:eu-repo/semantics/altIdentifier/doi/10.1007/s00468-012-0680-0 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s00468-012-0680-0 |
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F62 - Physiologie végétale - Croissance et développement F02 - Multiplication végétative des plantes K10 - Production forestière Acacia mangium développement biologique culture de méristème méristème apical vieillissement feuille culture in vitro pathologie http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_528 http://aims.fao.org/aos/agrovoc/c_192 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_5631 F62 - Physiologie végétale - Croissance et développement F02 - Multiplication végétative des plantes K10 - Production forestière Acacia mangium développement biologique culture de méristème méristème apical vieillissement feuille culture in vitro pathologie http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_528 http://aims.fao.org/aos/agrovoc/c_192 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_5631 |
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F62 - Physiologie végétale - Croissance et développement F02 - Multiplication végétative des plantes K10 - Production forestière Acacia mangium développement biologique culture de méristème méristème apical vieillissement feuille culture in vitro pathologie http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_528 http://aims.fao.org/aos/agrovoc/c_192 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_5631 F62 - Physiologie végétale - Croissance et développement F02 - Multiplication végétative des plantes K10 - Production forestière Acacia mangium développement biologique culture de méristème méristème apical vieillissement feuille culture in vitro pathologie http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_528 http://aims.fao.org/aos/agrovoc/c_192 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_5631 Hatt, Clémence Mankessi, François Durand, Jean-Baptiste Boudon, Frédéric Montes, Fabienne Lartaud, Marc Verdeil, Jean-Luc Monteuuis, Olivier Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty |
description |
Morphological and histocytological characteristics of Acacia mangium shoot apical meristems (SAMs) were assessed in natural and in vitro conditions in relation to heteroblasty. In the natural environment, SAMs with a mature-phyllode morphology were much bigger, contained more cells with larger vacuolated area, or vacuome, and lower nucleoplasmic ratios than those from the juvenile type (Juv). In these latter, nuclei appeared more voluminous, evenly and lightly stained, with clearly distinguishable nucleolei and less abundant chromocenters. In vitro, where reversions from mature to juvenile morphological traits do occur unpredictably, heteroblasty was less obvious in the SAM characteristics examined. In vitro SAMs corresponding to the juvenile and mature types showed similarities with outdoor Juv SAMs, but could be distinguished from these latter by a much larger vacuome that might be induced by the culture conditions. These findings encourage pursuing the investigations at the chromatin and nucleolus level in SAM zones where heteroblasty-related differences have been detected. |
format |
article |
topic_facet |
F62 - Physiologie végétale - Croissance et développement F02 - Multiplication végétative des plantes K10 - Production forestière Acacia mangium développement biologique culture de méristème méristème apical vieillissement feuille culture in vitro pathologie http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_7043 http://aims.fao.org/aos/agrovoc/c_528 http://aims.fao.org/aos/agrovoc/c_192 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_24135 http://aims.fao.org/aos/agrovoc/c_5631 |
author |
Hatt, Clémence Mankessi, François Durand, Jean-Baptiste Boudon, Frédéric Montes, Fabienne Lartaud, Marc Verdeil, Jean-Luc Monteuuis, Olivier |
author_facet |
Hatt, Clémence Mankessi, François Durand, Jean-Baptiste Boudon, Frédéric Montes, Fabienne Lartaud, Marc Verdeil, Jean-Luc Monteuuis, Olivier |
author_sort |
Hatt, Clémence |
title |
Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty |
title_short |
Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty |
title_full |
Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty |
title_fullStr |
Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty |
title_full_unstemmed |
Characteristics of Acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty |
title_sort |
characteristics of acacia mangium shoot apical meristems in natural and in vitro conditions in relation to heteroblasty |
url |
http://agritrop.cirad.fr/564078/ http://agritrop.cirad.fr/564078/1/document_564078.pdf |
work_keys_str_mv |
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1792498167895293952 |