#rhizobia — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #rhizobia, aggregated by home.social.
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Hare's-foot #clover, #Trifolium #arvense (#Fabaceae), is native to Europe/Western Asia and inhabits dry, sandy, nitrate-poor #habitats. #Seeds are enclosed in feathery calyxes that protect against desiccation, serve as #flightorgans, but also adhere to animals. It hosts #symbiotic nitrogen-fixing bacteria (paraphyletic "#Rhizobia"), which S. Schulz et al. (2013) analyzed in more detail via functional marker gene nifH.
©#StefanFWirth #Berlin 2025Ref
https://doi.org/10.5194/bg-10-1183-2013#Photos
©S.F.Wirth -
Hare's-foot #clover, #Trifolium #arvense (#Fabaceae), is native to Europe/Western Asia and inhabits dry, sandy, nitrate-poor #habitats. #Seeds are enclosed in feathery calyxes that protect against desiccation, serve as #flightorgans, but also adhere to animals. It hosts #symbiotic nitrogen-fixing bacteria (paraphyletic "#Rhizobia"), which S. Schulz et al. (2013) analyzed in more detail via functional marker gene nifH.
©#StefanFWirth #Berlin 2025Ref
https://doi.org/10.5194/bg-10-1183-2013#Photos
©S.F.Wirth -
How do plants pick their friends?
A new Insight Article delves into research investigating the symbiotic relationship between legumes, such as soybean, and #rhizobia bacteria and the central role of protein RIN4.
https://elifesciences.org/articles/108116?utm_source=mastodon&utm_medium=social&utm_campaign=organic_insights
#Symbiosis -
How do plants pick their friends?
A new Insight Article delves into research investigating the symbiotic relationship between legumes, such as soybean, and #rhizobia bacteria and the central role of protein RIN4.
https://elifesciences.org/articles/108116?utm_source=mastodon&utm_medium=social&utm_campaign=organic_insights
#Symbiosis -
#Bacteria that live in soil and help roots #fix #nitrogen can
⭐️boost certain plants' capacity to reproduce,
according to an article published in the American Journal of Botany describing a study of this mechanism
in #Chamaecrista #latistipula,
a legume belonging to the Fabaceae family, which includes beans and peas#rhizobia are bacteria that fix nitrogen in plant roots
In nitrogen-poor sandy soil with nitrogen-fixing bacteria, plants were almost twice as tall and three times larger than those grown in nitrogen-rich soil with organic matter and rhizobia.
On the other hand, the plants grown without rhizobia in both sandy soil and soil rich in organic matter were shorter and smaller than those grown with rhizobia
https://phys.org/news/2024-09-presence-bacteria-soil-pollinators.html
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#Bacteria that live in soil and help roots #fix #nitrogen can
⭐️boost certain plants' capacity to reproduce,
according to an article published in the American Journal of Botany describing a study of this mechanism
in #Chamaecrista #latistipula,
a legume belonging to the Fabaceae family, which includes beans and peas#rhizobia are bacteria that fix nitrogen in plant roots
In nitrogen-poor sandy soil with nitrogen-fixing bacteria, plants were almost twice as tall and three times larger than those grown in nitrogen-rich soil with organic matter and rhizobia.
On the other hand, the plants grown without rhizobia in both sandy soil and soil rich in organic matter were shorter and smaller than those grown with rhizobia
https://phys.org/news/2024-09-presence-bacteria-soil-pollinators.html
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2024 has been a spectacular year for #phytoplankton symbiosis: @vincentflora at #ISME19.
Nitrogen-fixing #organelle in a marine alga https://www.science.org/doi/10.1126/science.adk1075
#Rhizobia–diatom #symbiosis fixes missing nitrogen in the ocean https://www.nature.com/articles/s41586-024-07495-w
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2024 has been a spectacular year for #phytoplankton symbiosis: @vincentflora at #ISME19.
Nitrogen-fixing #organelle in a marine alga https://www.science.org/doi/10.1126/science.adk1075
#Rhizobia–diatom #symbiosis fixes missing nitrogen in the ocean https://www.nature.com/articles/s41586-024-07495-w
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Rhythmic #GeneExpression in #plants is crucial for #symbiosis with nutrient-providing bacteria
https://phys.org/news/2024-07-rhythmic-gene-crucial-symbiosis-nutrient.htmlPeriodic #cytokinin responses in Lotus japonicus #rhizobium infection and nodule development https://www.science.org/doi/10.1126/science.adk5589
"#Legumes thrive in low-nitrogen environments by partnering with #rhizobia, #soil #bacteria that convert atmospheric #nitrogen into #ammonium, a usable form for the plants. These beneficial bacteria are housed in root nodules formed on legume roots."
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Rhythmic #GeneExpression in #plants is crucial for #symbiosis with nutrient-providing bacteria
https://phys.org/news/2024-07-rhythmic-gene-crucial-symbiosis-nutrient.htmlPeriodic #cytokinin responses in Lotus japonicus #rhizobium infection and nodule development https://www.science.org/doi/10.1126/science.adk5589
"#Legumes thrive in low-nitrogen environments by partnering with #rhizobia, #soil #bacteria that convert atmospheric #nitrogen into #ammonium, a usable form for the plants. These beneficial bacteria are housed in root nodules formed on legume roots."
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CW: Marine nitrogen fixation (nerdy but awesome!)
Wow!
For years, researchers couldn't identify the source of so much nitrogen (N) in the oceans. It was thought that cyanobacteria were the only organisms capable of fixing nitrogen in marine ecosystems, but their numbers could explain only half of the observed N.
Some years ago, mysterious gene fragments coding for a nitrogenase (the enzyme that fixes nitrogen) were found in seawater samples. These traces were not from cyanobacteria. But then, from who?A recent study found that the N-fixing bacteria are related to Rhizobia and seem to be symbiotic with diatomees (unicellular algae). Yes, *the rhizobia*. *In a symbiosis*. *with unicellular algae* (= plants)
😃
Rhizobia are the bacteria that fix the Nitrogen in the root nodules of leguminous plants, effectively making the rich terrestrial ecosystems possible.
And their cousins in the sea seem to do the same. The plants provide the bacteria carbohydrates (easy-peasy for photosynthetic organisms, as carbon is not their problem) and shelter, and the bacteria fix nitrogen. Just like this. And everyone benefits, including the surrounding ecosystem.
This is really cool and made my day!https://www.nature.com/articles/s41586-024-07495-w
#Microbiology #Ecology #Nitrogen #Rhizobia #NitrogenCycle #Oceans #MarineBiology #SciComm
#ScienceIsWonderful #AmazingScience -
CW: Marine nitrogen fixation (nerdy but awesome!)
Wow!
For years, researchers couldn't identify the source of so much nitrogen (N) in the oceans. It was thought that cyanobacteria were the only organisms capable of fixing nitrogen in marine ecosystems, but their numbers could explain only half of the observed N.
Some years ago, mysterious gene fragments coding for a nitrogenase (the enzyme that fixes nitrogen) were found in seawater samples. These traces were not from cyanobacteria. But then, from who?A recent study found that the N-fixing bacteria are related to Rhizobia and seem to be symbiotic with diatomees (unicellular algae). Yes, *the rhizobia*. *In a symbiosis*. *with unicellular algae* (= plants)
😃
Rhizobia are the bacteria that fix the Nitrogen in the root nodules of leguminous plants, effectively making the rich terrestrial ecosystems possible.
And their cousins in the sea seem to do the same. The plants provide the bacteria carbohydrates (easy-peasy for photosynthetic organisms, as carbon is not their problem) and shelter, and the bacteria fix nitrogen. Just like this. And everyone benefits, including the surrounding ecosystem.
This is really cool and made my day!https://www.nature.com/articles/s41586-024-07495-w
#Microbiology #Ecology #Nitrogen #Rhizobia #NitrogenCycle #Oceans #MarineBiology #SciComm
#ScienceIsWonderful #AmazingScience -
#Genes identified that allow #bacteria to thrive despite #toxic #heavy_metal in #soil.
#rhizobia #evolution #genomics
https://phys.org/news/2024-03-genes-bacteria-toxic-heavy-metal.html
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#Genes identified that allow #bacteria to thrive despite #toxic #heavy_metal in #soil.
#rhizobia #evolution #genomics
https://phys.org/news/2024-03-genes-bacteria-toxic-heavy-metal.html
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How legumes detect microbes: a novel EPR3-type LysM receptor kinase recognizes fungal β-glucans & rhizobial exopolysaccharides, and regulates infection by arbuscular #mycorrhiza & #rhizobia, in the model #legume #Lotus japonicus #PLOSBiology https://plos.io/3MHEe2P
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How legumes detect microbes: a novel EPR3-type LysM receptor kinase recognizes fungal β-glucans & rhizobial exopolysaccharides, and regulates infection by arbuscular #mycorrhiza & #rhizobia, in the model #legume #Lotus japonicus #PLOSBiology https://plos.io/3MHEe2P
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@trregeagle The life of the bacteria (called "#rhizobia" (="those who live in the root")) in the #RootNodules is really weird. They are totally isolated from oxygen because the nitrogen fixation only works in absence of oxygen. The plant feeds the rhizobia completely. It's like a golden cage. But as with the golden cage, there is a downside. After a while, the plant simply disassembles the root nodules and digests the bacteria. Although often considered as #symbiosis, it's actually #farming.
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@trregeagle The life of the bacteria (called "#rhizobia" (="those who live in the root")) in the #RootNodules is really weird. They are totally isolated from oxygen because the nitrogen fixation only works in absence of oxygen. The plant feeds the rhizobia completely. It's like a golden cage. But as with the golden cage, there is a downside. After a while, the plant simply disassembles the root nodules and digests the bacteria. Although often considered as #symbiosis, it's actually #farming.
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Hi folks, some info about what keeps me busy in the lab. Here we are doing some automate #phenotyping using a linear #multispectral camera/image analysis to detect functional #mutualistic interaction between mimosa plants and different (and evolved) #rhizobia bacteria. When it "works" the plants get #nitrogen from the bacteria and the plant is greener and growth faster. Keep posted for more on this.
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CW: Introduction
I was trying to follow ecoevo folks from my @sfba account, but got overwhelmed and decided to add a verified account here so that I could peruse the Local timeline rather than following everyone.
We are currently studying #Bacteriophages of #Legume #Rhizobia Also, #Plant #Microbiome
