Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown Gall

This study investigates the physiological and genetic diversity of Allorhizobium vitis strains in Morocco, focusing on their ability to produce and utilize opines as sources of carbon, nitrogen, and energy. Using ultra-high performance liquid chromatography coupled with quadrupole time-of-flight mas...

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Main Authors: Khaoula Habbadi, Hajar Hamzaoui, Imane Hourmatallah, Hiba Yahyaoui, Faiçal Aoujil, Majida Hafidi, Aziz Aziz, Salma El Iraqui El Houssaini
Format: Article
Language:English
Published: National Institute of Agronomic Research "INRA" Morocco 2024-12-01
Series:African and Mediterranean Agricultural Journal - Al Awamia
Online Access:https://revues.imist.ma/index.php/Afrimed/article/view/48941
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author Khaoula Habbadi
Hajar Hamzaoui
Imane Hourmatallah
Hiba Yahyaoui
Faiçal Aoujil
Majida Hafidi
Aziz Aziz
Salma El Iraqui El Houssaini
author_facet Khaoula Habbadi
Hajar Hamzaoui
Imane Hourmatallah
Hiba Yahyaoui
Faiçal Aoujil
Majida Hafidi
Aziz Aziz
Salma El Iraqui El Houssaini
author_sort Khaoula Habbadi
collection DOAJ
description This study investigates the physiological and genetic diversity of Allorhizobium vitis strains in Morocco, focusing on their ability to produce and utilize opines as sources of carbon, nitrogen, and energy. Using ultra-high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF) and specific PCR assays, we identified and characterized opines in tumors induced in tomato plants by Moroccan strains of A. vitis. All strains showed the rare octopine/vitopine combination. Chromatographic analysis and molecular validation revealed metabolic and genetic uniformity in opine catabolism among the strains. These results suggest a homogeneity of octopine/vitopine tumour-inducing plasmids (pTi), which contribute to the uniformity of opine-related genes. This comprehensive approach provides insights into the molecular mechanisms of opine utilization and bacterial virulence, suggesting that targeting specific pathways or key virulence genes may be a strategy to control crown gall disease.
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id doaj-art-16b0c30b9c4b47a2a68264d011b794f6
institution Kabale University
issn 0572-2721
2658-9184
language English
publishDate 2024-12-01
publisher National Institute of Agronomic Research "INRA" Morocco
record_format Article
series African and Mediterranean Agricultural Journal - Al Awamia
spelling doaj-art-16b0c30b9c4b47a2a68264d011b794f62025-01-07T14:58:12ZengNational Institute of Agronomic Research "INRA" MoroccoAfrican and Mediterranean Agricultural Journal - Al Awamia0572-27212658-91842024-12-0114516317310.34874/IMIST.PRSM/afrimed-i145.4894168706Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown GallKhaoula Habbadi0https://orcid.org/0000-0002-1890-4601Hajar Hamzaoui1Imane Hourmatallah2Hiba Yahyaoui3Faiçal Aoujil4Majida Hafidi5Aziz Aziz6Salma El Iraqui El Houssaini7INRA, Regional Center of Agricultural Research of MeknesSidi Mohamed Ben Abdellah University, Faculté of Sciences of Fes & INRA Regional Center of Agricultural Research of MeknsSidi Mohamed Ben Abdellah University, Faculté of Sciences of Fes & INRA Regional Center of Agricultural Research of MeknsMoulay Ismail University, Faculty of Sciences of Meknes & INRA Regional Center of Agricultural Research of MeknesMoulay Ismail University, Faculty of Sciences of Meknes & INRA Regional Center of Agricultural Research of MeknesMoulay Ismail University, Faculty of Sciences of MeknesReims Champagne-Ardenne UniversityINRA, Regional Center of Agricultural Research of MeknesThis study investigates the physiological and genetic diversity of Allorhizobium vitis strains in Morocco, focusing on their ability to produce and utilize opines as sources of carbon, nitrogen, and energy. Using ultra-high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF) and specific PCR assays, we identified and characterized opines in tumors induced in tomato plants by Moroccan strains of A. vitis. All strains showed the rare octopine/vitopine combination. Chromatographic analysis and molecular validation revealed metabolic and genetic uniformity in opine catabolism among the strains. These results suggest a homogeneity of octopine/vitopine tumour-inducing plasmids (pTi), which contribute to the uniformity of opine-related genes. This comprehensive approach provides insights into the molecular mechanisms of opine utilization and bacterial virulence, suggesting that targeting specific pathways or key virulence genes may be a strategy to control crown gall disease.https://revues.imist.ma/index.php/Afrimed/article/view/48941
spellingShingle Khaoula Habbadi
Hajar Hamzaoui
Imane Hourmatallah
Hiba Yahyaoui
Faiçal Aoujil
Majida Hafidi
Aziz Aziz
Salma El Iraqui El Houssaini
Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown Gall
African and Mediterranean Agricultural Journal - Al Awamia
title Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown Gall
title_full Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown Gall
title_fullStr Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown Gall
title_full_unstemmed Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown Gall
title_short Characterizing Opine Physiological and Genetic Diversity in Moroccan strains of Allorhizobium vitis, the Causal Agent of Grapevine Crown Gall
title_sort characterizing opine physiological and genetic diversity in moroccan strains of allorhizobium vitis the causal agent of grapevine crown gall
url https://revues.imist.ma/index.php/Afrimed/article/view/48941
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