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Commensalibacter

ABSTRACT: Commensalibacter sp. overview

PROVIDER: PRJNA170579 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR8084165_1.fastq.gz	Fastqsanger.gz
	SRR8084165_2.fastq.gz	Fastqsanger.gz
	SRR8084166_1.fastq.gz	Fastqsanger.gz

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Honey bee (Apis mellifera) queen quality: Host-microbial transcriptomes exploring the influence of age and hindgut symbiont Commensalibacter melissae

Project description:Understanding the biological mechanisms underlying extreme lifespan variation within species remains a fundamental challenge in aging research. Here, we investigated the role of gut microbiota and age in honey bee (Apis mellifera) queens combining metagenomics and transcriptomics. Analysis of 40 queen hindguts revealed that Commensalibacter melissae (Alpha 2.1) relative abundance was significantly higher in young queens compared to old queens. Using queens with the highest and lowest C. melissae relative abundance, RNA sequencing identified 1,451 differentially expressed genes associated with C. melissae abundance, twice the number associated with age alone (719 genes). Queens with high C. melissae abundance showed distinct transcriptional profiles related to stress response, protein homeostasis, and longevity-regulating pathways, particularly genes involved in oxidative stress response and cellular maintenance. Our analysis revealed complex relationships between age, C. melissae abundance, and gene expression patterns, suggesting that multiple interacting factors contribute to queen quality. These findings contribute to our understanding of host-microbe interactions in honey bee queens and highlight the intricate relationship between gut microbiota composition and host physiology in honey bees.

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Commensalibacter papalotli (ex Servi¦ün-Garciduen¦âas et al. 2014) strain:MX-MONARCH01

Project description:Commensalibacter papalotli (ex Servi¦ün-Garciduen¦âas et al. 2014) strain:MX-MONARCH01 Genome sequencing and assembly

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A phylogenomic and comparative genomic analysis of Commensalibacter, a versatile insect symbiont.

Project description:BackgroundTo understand mechanisms of adaptation and plasticity of pollinators and other insects a better understanding of diversity and function of their key symbionts is required. Commensalibacter is a genus of acetic acid bacterial symbionts in the gut of honey bees and other insect species, yet little information is available on the diversity and function of Commensalibacter bacteria. In the present study, whole-genome sequences of 12 Commensalibacter isolates from bumble bees, butterflies, Asian hornets and rowan berries were determined, and publicly available genome assemblies of 14 Commensalibacter strains were used in a phylogenomic and comparative genomic analysis.ResultsThe phylogenomic analysis revealed that the 26 Commensalibacter isolates represented four species, i.e. Commensalibacter intestini and three novel species for which we propose the names Commensalibacter melissae sp. nov., Commensalibacter communis sp. nov. and Commensalibacter papalotli sp. nov. Comparative genomic analysis revealed that the four Commensalibacter species had similar genetic pathways for central metabolism characterized by a complete tricarboxylic acid cycle and pentose phosphate pathway, but their genomes differed in size, G + C content, amino acid metabolism and carbohydrate-utilizing enzymes. The reduced genome size, the large number of species-specific gene clusters, and the small number of gene clusters shared between C. melissae and other Commensalibacter species suggested a unique evolutionary process in C. melissae, the Western honey bee symbiont.ConclusionThe genus Commensalibacter is a widely distributed insect symbiont that consists of multiple species, each contributing in a species specific manner to the physiology of the holobiont host.

| S-EPMC10149009 | biostudies-literature

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