Functional Symbionts

759 records

Records of insect symbionts with verified function from literatures.

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Host Insect Classification Localization Function Function Tags Year Edit
Bacteria
Intracellular

Blochmannia floridanus provides essential amino acids to its host and may also play a role in nitrogen recycling via its functional urease.
Nitrogen Fixation Amino Acid Provision

2007
Bacteria
Extracellular

Candidatus Ishikawella capsulata enhances the pest status of the insect host.
Other

2007
Pantoea agglomerans

Pseudomonadota

Daktulosphaira vitifoliae

USA, France, Germany

Bacteria

2007
Bacteria
Intracellular

2006
Bacteria

Candidatus Regiella insecticola reduces winged offspring production and changes the timing of sexual morph production.
Other

2006
Regiella insecticola

Pseudomonadota
Bacteria
Extracellular

Regiella insecticola protects the aphid from a pathogen.
Other

2005
Bacteria

Candidatus Hamiltonella defensa ameliorates the effects of parasitoid wasp attack by causing the wasp larva to die prematurely, allowing the aphid host to develop and reproduce.
Natural Enemy Resistance

2005
Hamiltonella defensa

Pseudomonadota
Bacteria

Hamiltonella defensa is the source of resistance to A. ervi parasitism.
Natural Enemy Resistance

2005
Erwinia

Pseudomonadota
Bacteria

Erwinia shortens the time to maturity and increases the oviposition rate (fertility and growth regulation).
Fertility Growth Regulation

2004
Klebsiella oxytoca

Pseudomonadota
Bacteria
Extracellular

Klebsiella oxytoca produces the volatile alkyl disulfides in fecal pellets, which serve as kairomones to attract the parasitoid Diadromus pulchellus.
Semiochemical Biosynthesis

2004
Ishikawaella

Pseudomonadota
Bacteria

Ishikawaella is required for normal growth and development; without the symbiont, the babies cannot grow and die.
Growth Regulation Developmental Modulation

2003
Buchnera aphidicola

Pseudomonadota
Bacteria

Buchnera aphidicola supports the exploitation of the poor diet of plant-phloem sap by aphids through supplementation of deficient nutrients, primarily essential amino acids.
Amino Acid Provision

2003
Bacteria

Blochmannia floridanus is able to supply nitrogen and sulfur compounds to the host while utilizing the host's metabolic machinery (nitrogen fixation).
Nitrogen Fixation

2003
Bacteria

Photorhabdus luminescens acts as a pathogen upon release from its symbiotic entomopathogenic nematode into the insect blood system.
Other

2002
Bacteria
Intracellular

Wigglesworthia glossinidia brevipalpis provides its tsetse host with metabolites, such as vitamins.
Vitamin Supplementation

2002
Pantoea agglomerans

Pseudomonadota
Bacteria
Extracellular

Pantoea agglomerans produces an antifungal and antibacterial molecule, serving as an antimicrobial defense against gut pathogens.
Antimicrobial Activity

2002
Bacteria

Sodalis glossinidius maintains and expresses $inv/spa$ genes, which encode a type III secretion system homologous to that used for invasion by bacterial pathogens (pathogen interaction).
Pathogen Interaction

2002
Bacteria
Intracellular and extracellular

Enterobacter aerogenes (a homologue of GroEL, a protective heat-shock protein) produces a paralyzing toxin in the saliva of Myrmeleon bore larvae.
Toxin Production

2001
Buchnera

Pseudomonadota
Bacteria
Intracellular and extracellular

Buchnera synthesizes essential amino acids from dietary glutamic acid.
Amino Acid Provision

2001
Buchnera

Pseudomonadota
Bacteria
Extracellular

Buchnera produces essential amino acids.
Amino Acid Provision

2001
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