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#MicrobialDiversity

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Lukas VF Novak

Unravelling the microbial world in European soils ecoevocommunity.nature.com/pos #bacteria #fungi #mushrooms

Patterns in soil #MicrobialDiversity across Europe: Maëva Labouyrie et al. nature.com/articles/s41467-023

"We observed an incredible diversity beneath our feet. We detected more than 25’000 #fungal and 79’000 #bacterial taxa. #Microbial richness & diversity are highest in more disturbed areas, such as #croplands and #grasslands, but potential #PlantPathogens are more abundant in these areas as well"

Left photo shows a colony of cyanobacteria under microscope. Right photo shows a small mushroom.
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Kostas Kormas

#Midgut Bacterial #Microbiota of 12 #Fish Species from a Marine Protected Area in the #Aegean Sea (#Greece)

tinyurl.com/ykfee37m

@jess_rieder #gutmicrobes #hostmicrobiota #hostmicrobe #microbialecology #microbeinteractions #Symbionauts #symbiosis #MicrobialInteractions #MicrobialLife #MicrobialDiversity #aquaculture #aquacultureeurope #aquaculturenutrition #CIRCLESEU #microbiome

SpringerLinkMidgut Bacterial Microbiota of 12 Fish Species from a Marine Protected Area in the Aegean Sea (Greece) - Microbial EcologyFish microbiome science is progressing fast, but it is biased toward farmed or laboratory fish species against natural fish populations, which remain considerably underinvestigated. We analyzed the midgut bacterial microbiota of 45 specimens of 12 fish species collected from the Gyaros Island marine protected area (Aegean Sea, Greece). The species belong to seven taxonomic families and are either herbivores or omnivores. Mucosa midgut bacterial diversity was assessed by amplicon metabarcoding of the 16S rRNA V3–V4 gene region. A total of 854 operational taxonomic units (OTUs) were identified. In each fish species, between 2 and 18 OTUs dominated with cumulative relative abundance ≥ 70%. Most of the dominating bacterial taxa have been reported to occur both in wild and farmed fish populations. The midgut bacterial communities were different among the 12 fish species, except for Pagrus pagrus and Pagellus erythrinus, which belong to the Sparidae family. No differentiation of the midgut bacterial microbiota was found based on feeding habits, i.e., omnivorous vs. carnivorous. Comparing wild and farmed P. pagrus midgut bacterial microbiota revealed considerable variation between them. Our results expand the gut microbiota of wild fish and support the host species effect as the more likely factor shaping intestinal bacterial microbiota.
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