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Cellular and Organismic Networks

Bacterial community structure and succession in nests of two megachilid bee genera

Posted on January 4, 2019June 28, 2022
Studies on honeybees have revealed bacterial taxa which adopt key functions in the hive, in terms of nutrient uptake and immune responses. Despite solitary bees providing invaluable ecological services, the contribution of their microbial communities to larval health and the development and fitness of adults is mainly unknown. To address this gap, we conducted a 16S rDNA meta-barcoding study including larvae and stored pollen in nest chambers from two different megachilid solitary bee genera. We tested how host taxonomy, environmental context and the developmental stage of larvae determined richness and composition of associated bacterial communities. A total of 198 specimens from Osmia bicornis, Osmia caerulescens, Megachile rotundataandMegachile versicolor nests were investigated. Solitary bee bacterial microbiota in the nesting environment were mostly homogeneous within species, and not significantly affected by landscape. For each bee species, we identified bacterial taxa that showed consistent occurrence in the larvae and stored pollen. For the pollen provision, we also described a community shift with progressing larval development, suggesting a reduction of imported floral bacteria.

 

Full article: https://academic.oup.com/femsec/article/95/1/fiy218/5145846
 
by: Anna Voulgari-Kokota, Gudrun Grimmer, Ingolf Steffan-Dewenter, Alexander Keller

Alexander Keller Follow

CiyaTheFox
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alinecmar Aline C. Martins @alinecmar ·
2 Sep

Happy to share our paper on stingless bees foraging behavior on the Cerrado biodiversity hotspot!
Read and spread! 🐝🌼
With Carol Proença Fernanda Carvalho @TNCVasconcelos @ajcaguiar @CiyaTheFox
And other amazing students and colleagues

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biorxivpreprint bioRxiv @biorxivpreprint ·
23 Jun

Opportunistic bacteria of grapevine crown galls are equipped with the genomic repertoire for opine utilization https://biorxiv.org/cgi/content/short/2023.06.20.545721v1 #bioRxiv

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ciyathefox Alexander Keller @ciyathefox ·
15 Jun

Semi-automated curation and manual addition of sequences to build reliable and extensive reference databases for ITS2 vascular plant DNA (meta-)barcoding

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alinecmar Aline C. Martins @alinecmar ·
8 Jun

New preprint

Contrasting patterns of foraging behavior in Neotropical stingless bees using pollen and honey metabarcoding

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geobiodiversity Senckenberg Research @geobiodiversity ·
30 May

#Invasive alien species not only colonize foreign regions, but they can also carry #invasive #microbiomes on their skin and in their gut. This may pose an undiscovered threat to native ecosystems, according to a recent study. 👉http://sgn.one/m8z
#SenckenbergScience

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