Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species
In the context of an increasing utilization of the interspecific hybrid Acacia mangium x A. auriculiformis as a plantation tree in the tropical humid zone, its symbiotic characterization was carried out in comparison with that of its two parental species. Rhizobium strains of diverse geographical origins were isolated from root nodules of the hybrid and its parents. Almost all Acacia hybrid isolates were fast growing on yeast extractmannitol medium, in contrast to those isolated from both parental species, which were mostly slow growing. The rhizobium strains were characterized through partial sequencing of the rRNA operon. In the phylogenetic tree, almost all strains isolated from the hybrid were grouped together in a clade close to Bradyrhizobium japonicum, while all strains isolated from both parental species were close to Bradyrhizobium elkanii. Inoculation experiments performed under in vitro or greenhouse conditions showed that all strains were infective with their original hosts but exhibited very variable degrees of effectivity according to the host plant tested. Thus, homologous strain-host associations were more effective than heterologous ones. This shows that there is still a high potential for isolating and testing new strains from hybrids to be used as inoculants in the context of large-scale afforestation programs.
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Subjects: | P34 - Biologie du sol, F62 - Physiologie végétale - Croissance et développement, K10 - Production forestière, Acacia auriculiformis, Acacia mangium, Bradyrhizobium, http://aims.fao.org/aos/agrovoc/c_35, http://aims.fao.org/aos/agrovoc/c_42, http://aims.fao.org/aos/agrovoc/c_27138, http://aims.fao.org/aos/agrovoc/c_4533, http://aims.fao.org/aos/agrovoc/c_714, |
Online Access: | http://agritrop.cirad.fr/553007/ http://agritrop.cirad.fr/553007/1/document_553007.pdf |
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dig-cirad-fr-5530072022-12-30T18:31:41Z http://agritrop.cirad.fr/553007/ http://agritrop.cirad.fr/553007/ Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species. Le Roux Christine, Tentchev Diana, Prin Yves, Goh Doreen Kim Soh, Japarudin Yani, Perrineau Marie-Mathilde, Duponnois Robin, Domergue Odile, De Lajudie Philippe, Galiana Antoine. 2009. Applied and Environmental Microbiology, 75 (24) : 7752-7759.https://doi.org/10.1128/AEM.01887-09 <https://doi.org/10.1128/AEM.01887-09> Researchers Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species Le Roux, Christine Tentchev, Diana Prin, Yves Goh, Doreen Kim Soh Japarudin, Yani Perrineau, Marie-Mathilde Duponnois, Robin Domergue, Odile De Lajudie, Philippe Galiana, Antoine eng 2009 Applied and Environmental Microbiology P34 - Biologie du sol F62 - Physiologie végétale - Croissance et développement K10 - Production forestière Acacia auriculiformis Acacia mangium Bradyrhizobium http://aims.fao.org/aos/agrovoc/c_35 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_27138 Malaisie Australie http://aims.fao.org/aos/agrovoc/c_4533 http://aims.fao.org/aos/agrovoc/c_714 In the context of an increasing utilization of the interspecific hybrid Acacia mangium x A. auriculiformis as a plantation tree in the tropical humid zone, its symbiotic characterization was carried out in comparison with that of its two parental species. Rhizobium strains of diverse geographical origins were isolated from root nodules of the hybrid and its parents. Almost all Acacia hybrid isolates were fast growing on yeast extractmannitol medium, in contrast to those isolated from both parental species, which were mostly slow growing. The rhizobium strains were characterized through partial sequencing of the rRNA operon. In the phylogenetic tree, almost all strains isolated from the hybrid were grouped together in a clade close to Bradyrhizobium japonicum, while all strains isolated from both parental species were close to Bradyrhizobium elkanii. Inoculation experiments performed under in vitro or greenhouse conditions showed that all strains were infective with their original hosts but exhibited very variable degrees of effectivity according to the host plant tested. Thus, homologous strain-host associations were more effective than heterologous ones. This shows that there is still a high potential for isolating and testing new strains from hybrids to be used as inoculants in the context of large-scale afforestation programs. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/553007/1/document_553007.pdf application/pdf Cirad license info:eu-repo/semantics/openAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1128/AEM.01887-09 10.1128/AEM.01887-09 info:eu-repo/semantics/altIdentifier/doi/10.1128/AEM.01887-09 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1128/AEM.01887-09 |
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P34 - Biologie du sol F62 - Physiologie végétale - Croissance et développement K10 - Production forestière Acacia auriculiformis Acacia mangium Bradyrhizobium http://aims.fao.org/aos/agrovoc/c_35 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_27138 http://aims.fao.org/aos/agrovoc/c_4533 http://aims.fao.org/aos/agrovoc/c_714 P34 - Biologie du sol F62 - Physiologie végétale - Croissance et développement K10 - Production forestière Acacia auriculiformis Acacia mangium Bradyrhizobium http://aims.fao.org/aos/agrovoc/c_35 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_27138 http://aims.fao.org/aos/agrovoc/c_4533 http://aims.fao.org/aos/agrovoc/c_714 |
spellingShingle |
P34 - Biologie du sol F62 - Physiologie végétale - Croissance et développement K10 - Production forestière Acacia auriculiformis Acacia mangium Bradyrhizobium http://aims.fao.org/aos/agrovoc/c_35 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_27138 http://aims.fao.org/aos/agrovoc/c_4533 http://aims.fao.org/aos/agrovoc/c_714 P34 - Biologie du sol F62 - Physiologie végétale - Croissance et développement K10 - Production forestière Acacia auriculiformis Acacia mangium Bradyrhizobium http://aims.fao.org/aos/agrovoc/c_35 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_27138 http://aims.fao.org/aos/agrovoc/c_4533 http://aims.fao.org/aos/agrovoc/c_714 Le Roux, Christine Tentchev, Diana Prin, Yves Goh, Doreen Kim Soh Japarudin, Yani Perrineau, Marie-Mathilde Duponnois, Robin Domergue, Odile De Lajudie, Philippe Galiana, Antoine Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species |
description |
In the context of an increasing utilization of the interspecific hybrid Acacia mangium x A. auriculiformis as a plantation tree in the tropical humid zone, its symbiotic characterization was carried out in comparison with that of its two parental species. Rhizobium strains of diverse geographical origins were isolated from root nodules of the hybrid and its parents. Almost all Acacia hybrid isolates were fast growing on yeast extractmannitol medium, in contrast to those isolated from both parental species, which were mostly slow growing. The rhizobium strains were characterized through partial sequencing of the rRNA operon. In the phylogenetic tree, almost all strains isolated from the hybrid were grouped together in a clade close to Bradyrhizobium japonicum, while all strains isolated from both parental species were close to Bradyrhizobium elkanii. Inoculation experiments performed under in vitro or greenhouse conditions showed that all strains were infective with their original hosts but exhibited very variable degrees of effectivity according to the host plant tested. Thus, homologous strain-host associations were more effective than heterologous ones. This shows that there is still a high potential for isolating and testing new strains from hybrids to be used as inoculants in the context of large-scale afforestation programs. |
format |
article |
topic_facet |
P34 - Biologie du sol F62 - Physiologie végétale - Croissance et développement K10 - Production forestière Acacia auriculiformis Acacia mangium Bradyrhizobium http://aims.fao.org/aos/agrovoc/c_35 http://aims.fao.org/aos/agrovoc/c_42 http://aims.fao.org/aos/agrovoc/c_27138 http://aims.fao.org/aos/agrovoc/c_4533 http://aims.fao.org/aos/agrovoc/c_714 |
author |
Le Roux, Christine Tentchev, Diana Prin, Yves Goh, Doreen Kim Soh Japarudin, Yani Perrineau, Marie-Mathilde Duponnois, Robin Domergue, Odile De Lajudie, Philippe Galiana, Antoine |
author_facet |
Le Roux, Christine Tentchev, Diana Prin, Yves Goh, Doreen Kim Soh Japarudin, Yani Perrineau, Marie-Mathilde Duponnois, Robin Domergue, Odile De Lajudie, Philippe Galiana, Antoine |
author_sort |
Le Roux, Christine |
title |
Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species |
title_short |
Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species |
title_full |
Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species |
title_fullStr |
Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species |
title_full_unstemmed |
Bradyrhizobia nodulating the Acacia mangium x A. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species |
title_sort |
bradyrhizobia nodulating the acacia mangium x a. auriculiformis interspecific hybrid are specific and differ from those associated with both parental species |
url |
http://agritrop.cirad.fr/553007/ http://agritrop.cirad.fr/553007/1/document_553007.pdf |
work_keys_str_mv |
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