Functional Symbionts

2682 records

Records of insect symbionts with verified function from literatures.

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  • • Phylum (e.g., "Proteobacteria")
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Host Insect Classification Localization Function Function Tags Year Edit
Bacteria and Fungi

2024
Pantoea dispersa

Pseudomonadota
Bacteria
Intracellular and Extracellular

Pantoea dispersa acts as a probiotic for the fall armyworm (Spodoptera frugiperda), helping to detoxify benzoxazinoids (maize secondary metabolites) and promote caterpillar growth.
Detoxification Enzymes

2024
Arsenophonus sp

Pseudomonadota
Bacteria

Arsenophonus sp. performs the sole production of threonine and lysine (essential amino acids) for the corn planthopper, Peregrinus maidis.
Amino Acid Provision

2024
Acetobacter

Pseudomonadota
Bacteria
Extracellular

Acetobacter (as part of the gut microbiome) enhances the brain levels of tyrosine decarboxylase 2 (Tdc2), an enzyme that synthesizes the neuroactive substance octopamine (OA), thereby promoting larval locomotion in Drosophila melanogaster.
Other

2024
Lactobacillus

Bacillota
Bacteria
Extracellular

Lactobacillus (as part of the gut microbiome) enhances the brain levels of tyrosine decarboxylase 2 (Tdc2), an enzyme that synthesizes the neuroactive substance octopamine (OA), thereby promoting larval locomotion in Drosophila melanogaster.
Other

2024
Bacteria
Extracellular

2024
Burkholderia

Pseudomonadota
Bacteria
Extracellular

Burkholderia enrichment in the host gut plays a significant role in enhancing the reproduction (fertility) of the plant-sucking insect, Riptortus pedestris.
Fertility

2024
Rickettsia

Pseudomonadota
Bacteria
Intracellular

Rickettsia plays an essential role in energy metabolism and nutrient synthesis in Bemisia tabaci MEAM1, but its survival depends on metabolites obtained from the host.
Amino Acid Provision

2024
Wolbachia

Pseudomonadota
Bacteria
Intracellular

Wolbachia positively affects the female fecundity and offspring mass of Drosophila suzukii following a diet shift.
Fertility Growth Regulation

2024
Wolbachia

Pseudomonadota
Bacteria
Intracellular

Wolbachia uses its parthenogenesis-induction feminization factor (piff) gene to modulate sex determination in Encarsia formosa by regulating doublesex (dsx) expression, resulting in haploid male offspring when the symbiont is removed.
Feminization

2024
Wolbachia

Pseudomonadota
Bacteria
Intracellular

Wolbachia titers are related to the sex determination of the host, Trichogramma pretiosum.
Reproductive Manipulation

2024
Bacteria
Extracellular

Citrobacter amalonaticus promotes black soldier fly larval growth and development by directly promoting the expression of two intestinal protein metabolism gene families (Hitryp and Himtp).
Digestive Enzymes

2023
Klebsiella electrica

Pseudomonadota
Bacteria

Klebsiella electrica is a nitrogen-fixing bacterium that possesses all necessary nitrogen fixation genes and colonizes the gut lumen of the leafhopper, Recilia dorsalis.
Nitrogen Fixation

2023
Rickettsiella

Pseudomonadota
Bacteria

Rickettsiella infection causes reduced aphid fecundity, decreased heat tolerance, and modified aphid body color (from light to dark green) in Myzus persicae.
Fertility Pigmentation Alteration Temparature Adaptation

2023
Bacteria

2023
Bacteria
Extracellular

2023
Bacteria
Extracellular

2023
Bacteria
Extracellular

Arsenophonus ameliorated the growth performance of Aphis gossypii when the host was fed an amino acid-deficient diet.
Developmental Modulation

2023
Amycolatopsis

Actinomycetota
Bacteria
Extracellular

Amycolatopsis (from desert specialist fungus-growing ants) produces the antibiotic EC0-0501, which has strong activity against ant-associated Actinobacteria and may play a role in bacterial competition in this niche.
Antimicrobial Activity

2023
Fungi

Metarhizium anisopliae produces the volatile compound phenylethyl alcohol (PEA), which causes behavioral avoidance in locusts, and upregulates LmOBP1 expression, negatively affecting the insect immune response to benefit successful mycosis by the pathogen.
Immune Priming Chemical Biosynthesis

2023
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