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5 results on '"Vimoltust A"'

1. Effect of Light to Expression Control of Eucalyptus KORRIGAN Promoter in Tobacco

Author

Artit Vimoltust, Wichai Kositratana, and Srimek Chowpongpang

Subjects
การแสดงออกของยีน, แสงและความมืดในการควบคุมยีน กระบวนการสังเคราะห์เซลลูโลส, KORRIGAN โปรโมเตอร์, KORRIGAN Promoter, Light and dark gene control Cellulose Biosynthesis, Gene expression
Abstract

Thai Agricultural Research Journal, 37, 2, 128-138

Published
2019
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2. The microbiome of the leaf surface of Arabidopsis protects against a fungal pathogen

Author

Unyarat Ritpitakphong, Antoine Berger, Artit Vimoltust, Laurent Falquet, Floriane L’Haridon, and Jean-Pierre Métraux

Subjects
DNA, Bacterial, 0301 basic medicine, food.ingredient, Physiology, Arabidopsis, Plant Science, Plant disease resistance, Microbiology, 03 medical and health sciences, food, Botany, Arabidopsis thaliana, Microbiome, Phylogeny, Disease Resistance, Plant Diseases, Botrytis, Botrytis cinerea, biology, Microbiota, fungi, Pseudomonas, food and beverages, biology.organism_classification, Plant Leaves, 030104 developmental biology, Mutation, Phyllosphere, Bacteria
Abstract

We have explored the importance of the phyllosphere microbiome in plant resistance in the cuticle mutants bdg (BODYGUARD) or lacs2.3 (LONG CHAIN FATTY ACID SYNTHASE 2) that are strongly resistant to the fungal pathogen Botrytis cinerea. The study includes infection of plants under sterile conditions, 16S ribosomal DNA sequencing of the phyllosphere microbiome, and isolation and high coverage sequencing of bacteria from the phyllosphere. When inoculated under sterile conditions bdg became as susceptible as wild-type (WT) plants whereas lacs2.3 mutants retained the resistance. Adding washes of its phyllosphere microbiome could restore the resistance of bdg mutants, whereas the resistance of lacs2.3 results from endogenous mechanisms. The phyllosphere microbiome showed distinct populations in WT plants compared to cuticle mutants. One species identified as Pseudomonas sp isolated from the microbiome of bdg provided resistance to B. cinerea on Arabidopsis thaliana as well as on apple fruits. No direct activity was observed against B. cinerea and the action of the bacterium required the plant. Thus, microbes present on the plant surface contribute to the resistance to B. cinerea. These results open new perspectives on the function of the leaf microbiome in the protection of plants.

Published
2016

3. The microbiome of the leaf surface of Arabidopsis protects against a fungal pathogen

Author

Ritpitakphong, Unyarat, Falquet, Laurent, Vimoltust, Artit, Berger, Antoine, Métraux, Jean-Pierre, and L'Haridon, Floriane

Subjects
fungi, food and beverages
Abstract

We have explored the importance of the phyllosphere microbiome in plant resistance in the cuticle mutants bdg (BODYGUARD) or lacs2.3 (LONG CHAIN FATTY ACID SYNTHASE 2) that are strongly resistant to the fungal pathogen Botrytis cinerea. The study includes infection of plants under sterile conditions, 16S ribosomal DNA sequencing of the phyllosphere microbiome, and isolation and high coverage sequencing of bacteria from the phyllosphere. When inoculated under sterile conditions bdg became as susceptible as wild-type (WT) plants whereas lacs2.3 mutants retained the resistance. Adding washes of its phyllosphere microbiome could restore the resistance of bdg mutants, whereas the resistance of lacs2.3 results from endogenous mechanisms. The phyllosphere microbiome showed distinct populations in WT plants compared to cuticle mutants. One species identified as Pseudomonas sp isolated from the microbiome of bdg provided resistance to B. cinerea on Arabidopsis thaliana as well as on apple fruits. No direct activity was observed against B. cinerea and the action of the bacterium required the plant. Thus, microbes present on the plant surface contribute to the resistance to B. cinerea. These results open new perspectives on the function of the leaf microbiome in the protection of plants.

Published
2016

5. The microbiome of the leaf surface of Arabidopsis protects against a fungal pathogen

Author

Ritpitakphong, Unyarat, Falquet, Laurent, Vimoltust, Artit, Berger, Antoine, Métraux, Jean-Pierre, L'Haridon, Floriane, Ritpitakphong, Unyarat, Falquet, Laurent, Vimoltust, Artit, Berger, Antoine, Métraux, Jean-Pierre, and L'Haridon, Floriane

Abstract

We have explored the importance of the phyllosphere microbiome in plant resistance in the cuticle mutants bdg (BODYGUARD) or lacs2.3 (LONG CHAIN FATTY ACID SYNTHASE 2) that are strongly resistant to the fungal pathogen Botrytis cinerea. The study includes infection of plants under sterile conditions, 16S ribosomal DNA sequencing of the phyllosphere microbiome, and isolation and high coverage sequencing of bacteria from the phyllosphere. When inoculated under sterile conditions bdg became as susceptible as wild-type (WT) plants whereas lacs2.3 mutants retained the resistance. Adding washes of its phyllosphere microbiome could restore the resistance of bdg mutants, whereas the resistance of lacs2.3 results from endogenous mechanisms. The phyllosphere microbiome showed distinct populations in WT plants compared to cuticle mutants. One species identified as Pseudomonas sp isolated from the microbiome of bdg provided resistance to B. cinerea on Arabidopsis thaliana as well as on apple fruits. No direct activity was observed against B. cinerea and the action of the bacterium required the plant. Thus, microbes present on the plant surface contribute to the resistance to B. cinerea. These results open new perspectives on the function of the leaf microbiome in the protection of plants.

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