Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor

Rhizobium leguminosarum is a soil bacterium that infects root hairs and induces the formation of nitrogen-fixing nodules on leguminous plants. Light, oxygen, and voltage (LOV)-domain proteins are bluelight receptors found in higher plants and many algae, fungi, and bacteria. The genome of R. legumin...

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Autores principales: Bonomi, H.R., Posadas, D.M., Paris, G., Del Carmen Carrica, M., Frederickson, M., Pietrasanta, L.I., Bogomolni, R.A., Zorreguieta, A., Goldbaum, F.A.
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pea
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00278424_v109_n30_p12135_Bonomi
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spelling todo:paper_00278424_v109_n30_p12135_Bonomi2023-10-03T14:38:07Z Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor Bonomi, H.R. Posadas, D.M. Paris, G. Del Carmen Carrica, M. Frederickson, M. Pietrasanta, L.I. Bogomolni, R.A. Zorreguieta, A. Goldbaum, F.A. bacterial polysaccharide bacterial protein exopolysaccharide light oxygen and voltage histidine kinase unclassified drug adaptation amino terminal sequence article bacterial gene bacterium culture biofilm blue light environmental factor illumination light lov gene nodulation nonhuman pea plant root priority journal protein synthesis real time polymerase chain reaction reverse transcription polymerase chain reaction Rhizobium leguminosarum symbiosis Amino Acid Sequence Bacterial Adhesion Base Sequence Biofilms Blotting, Western Flagella Gentian Violet Light Microscopy, Electron, Scanning Molecular Sequence Data Peas Photoreceptors, Microbial Plant Root Nodulation Polysaccharides, Bacterial Protein Kinases Protein Structure, Tertiary Real-Time Polymerase Chain Reaction Rhizobium leguminosarum Sequence Alignment Sequence Analysis, DNA Statistics, Nonparametric Symbiosis algae Bacteria (microorganisms) Embryophyta Fabaceae Fungi Pisum sativum Rhizobium leguminosarum Rhizobium leguminosarum is a soil bacterium that infects root hairs and induces the formation of nitrogen-fixing nodules on leguminous plants. Light, oxygen, and voltage (LOV)-domain proteins are bluelight receptors found in higher plants and many algae, fungi, and bacteria. The genome of R. leguminosarum bv. viciae 3841, a peanodulating endosymbiont, encodes a sensor histidine kinase containing a LOV domain at the N-terminal end (R-LOV-HK). R-LOV-HK has a typical LOV domain absorption spectrum with broad bands in the blue and UV-A regions and shows a truncated photocycle. Here we show that the R-LOV-HK protein regulates attachment to an abiotic surface and production of flagellar proteins and exopolysaccharide in response to light. Also, illumination of bacterial cultures before inoculation of pea roots increases the number of nodules per plant and the number of intranodular bacteroids. The effects of light on nodulation are dependent on a functional lov gene. The results presented in this work suggest that light, sensed by R-LOV-HK, is an important environmental factor that controls adaptive responses and the symbiotic efficiency of R. leguminosarum. Fil:Posadas, D.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Zorreguieta, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00278424_v109_n30_p12135_Bonomi
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic bacterial polysaccharide
bacterial protein
exopolysaccharide
light oxygen and voltage histidine kinase
unclassified drug
adaptation
amino terminal sequence
article
bacterial gene
bacterium culture
biofilm
blue light
environmental factor
illumination
light
lov gene
nodulation
nonhuman
pea
plant root
priority journal
protein synthesis
real time polymerase chain reaction
reverse transcription polymerase chain reaction
Rhizobium leguminosarum
symbiosis
Amino Acid Sequence
Bacterial Adhesion
Base Sequence
Biofilms
Blotting, Western
Flagella
Gentian Violet
Light
Microscopy, Electron, Scanning
Molecular Sequence Data
Peas
Photoreceptors, Microbial
Plant Root Nodulation
Polysaccharides, Bacterial
Protein Kinases
Protein Structure, Tertiary
Real-Time Polymerase Chain Reaction
Rhizobium leguminosarum
Sequence Alignment
Sequence Analysis, DNA
Statistics, Nonparametric
Symbiosis
algae
Bacteria (microorganisms)
Embryophyta
Fabaceae
Fungi
Pisum sativum
Rhizobium leguminosarum
spellingShingle bacterial polysaccharide
bacterial protein
exopolysaccharide
light oxygen and voltage histidine kinase
unclassified drug
adaptation
amino terminal sequence
article
bacterial gene
bacterium culture
biofilm
blue light
environmental factor
illumination
light
lov gene
nodulation
nonhuman
pea
plant root
priority journal
protein synthesis
real time polymerase chain reaction
reverse transcription polymerase chain reaction
Rhizobium leguminosarum
symbiosis
Amino Acid Sequence
Bacterial Adhesion
Base Sequence
Biofilms
Blotting, Western
Flagella
Gentian Violet
Light
Microscopy, Electron, Scanning
Molecular Sequence Data
Peas
Photoreceptors, Microbial
Plant Root Nodulation
Polysaccharides, Bacterial
Protein Kinases
Protein Structure, Tertiary
Real-Time Polymerase Chain Reaction
Rhizobium leguminosarum
Sequence Alignment
Sequence Analysis, DNA
Statistics, Nonparametric
Symbiosis
algae
Bacteria (microorganisms)
Embryophyta
Fabaceae
Fungi
Pisum sativum
Rhizobium leguminosarum
Bonomi, H.R.
Posadas, D.M.
Paris, G.
Del Carmen Carrica, M.
Frederickson, M.
Pietrasanta, L.I.
Bogomolni, R.A.
Zorreguieta, A.
Goldbaum, F.A.
Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor
topic_facet bacterial polysaccharide
bacterial protein
exopolysaccharide
light oxygen and voltage histidine kinase
unclassified drug
adaptation
amino terminal sequence
article
bacterial gene
bacterium culture
biofilm
blue light
environmental factor
illumination
light
lov gene
nodulation
nonhuman
pea
plant root
priority journal
protein synthesis
real time polymerase chain reaction
reverse transcription polymerase chain reaction
Rhizobium leguminosarum
symbiosis
Amino Acid Sequence
Bacterial Adhesion
Base Sequence
Biofilms
Blotting, Western
Flagella
Gentian Violet
Light
Microscopy, Electron, Scanning
Molecular Sequence Data
Peas
Photoreceptors, Microbial
Plant Root Nodulation
Polysaccharides, Bacterial
Protein Kinases
Protein Structure, Tertiary
Real-Time Polymerase Chain Reaction
Rhizobium leguminosarum
Sequence Alignment
Sequence Analysis, DNA
Statistics, Nonparametric
Symbiosis
algae
Bacteria (microorganisms)
Embryophyta
Fabaceae
Fungi
Pisum sativum
Rhizobium leguminosarum
description Rhizobium leguminosarum is a soil bacterium that infects root hairs and induces the formation of nitrogen-fixing nodules on leguminous plants. Light, oxygen, and voltage (LOV)-domain proteins are bluelight receptors found in higher plants and many algae, fungi, and bacteria. The genome of R. leguminosarum bv. viciae 3841, a peanodulating endosymbiont, encodes a sensor histidine kinase containing a LOV domain at the N-terminal end (R-LOV-HK). R-LOV-HK has a typical LOV domain absorption spectrum with broad bands in the blue and UV-A regions and shows a truncated photocycle. Here we show that the R-LOV-HK protein regulates attachment to an abiotic surface and production of flagellar proteins and exopolysaccharide in response to light. Also, illumination of bacterial cultures before inoculation of pea roots increases the number of nodules per plant and the number of intranodular bacteroids. The effects of light on nodulation are dependent on a functional lov gene. The results presented in this work suggest that light, sensed by R-LOV-HK, is an important environmental factor that controls adaptive responses and the symbiotic efficiency of R. leguminosarum.
format JOUR
author Bonomi, H.R.
Posadas, D.M.
Paris, G.
Del Carmen Carrica, M.
Frederickson, M.
Pietrasanta, L.I.
Bogomolni, R.A.
Zorreguieta, A.
Goldbaum, F.A.
author_facet Bonomi, H.R.
Posadas, D.M.
Paris, G.
Del Carmen Carrica, M.
Frederickson, M.
Pietrasanta, L.I.
Bogomolni, R.A.
Zorreguieta, A.
Goldbaum, F.A.
author_sort Bonomi, H.R.
title Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor
title_short Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor
title_full Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor
title_fullStr Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor
title_full_unstemmed Light regulates attachment, exopolysaccharide production, and nodulation in Rhizobium leguminosarum through a LOV-histidine kinase photoreceptor
title_sort light regulates attachment, exopolysaccharide production, and nodulation in rhizobium leguminosarum through a lov-histidine kinase photoreceptor
url http://hdl.handle.net/20.500.12110/paper_00278424_v109_n30_p12135_Bonomi
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