Functional Symbionts

37 records

Records of insect symbionts with verified function from literatures.

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Host Insect Classification Localization Function Function Tags Year Edit
Hamiltonella defensa

Pseudomonadota
Bacteria

Hamiltonella defensa attenuates the systemic release of volatiles by plants after aphid attack, reducing parasitic wasp recruitment and increasing aphid fitness.
Natural Enemy Resistance Plant Defense Modulation

2017
Hamiltonella defensa

Pseudomonadota

Acyrthosiphon pisum

USA, Germany, France

Bacteria
Intracellular

Candidatus Hamiltonella defensa and Rickettsiella viridis co-infection causes aphid larvae to become darker green.
Pigmentation Alteration

2015
Bacteria
Intracellular

Candidatus Hamiltonella defensa provides resistance to certain parasitic wasps, such as Aphidius.
Natural Enemy Resistance

2015
Bacteria
Intracellular

The genome of Candidatus Hamiltonella defensa revealed that this secondary symbiont can not only provide vitamins and cofactors but also complete the missing steps of some of the metabolic pathways of Portiera.
Amino Acid Provision Vitamin Supplementation

2015
Bacteria
Intracellular

Candidatus Hamiltonella defensa provided strong protection against L. fabarum and Aphidius colemani, but there was no evidence that $H. defensa$-infected aphids were more resistant to the other parasitoid species.
Natural Enemy Resistance

2015
Hamiltonella defensa

Pseudomonadota
Bacteria
Intracellular

Hamiltonella defensa mediates whitefly–plant interactions by suppressing induced plant defenses in tomato.
Plant Defense Modulation

2015
Bacteria

2015
Hamiltonella defensa

Pseudomonadota
Bacteria

Hamiltonella defensa is a secondary symbiont.
Amino Acid Provision

2014
Bacteria
Intracellular

Candidatus Hamiltonella defensa confers protection against parasitoid wasps.
Natural Enemy Resistance

2013
Bacteria
Intracellular

Hamiltonella phage APSE confers protection against parasitoid wasps, but only when Candidatus Hamiltonella defensa is itself infected by the phage.
Natural Enemy Resistance

2013
Hamiltonella defensa

Pseudomonadota

Aphis fabae

Switzerland

Bacteria
Intracellular

Hamiltonella defensa (in Aphis fabae) suggests a high specificity of symbiont-conferred resistance, where parasitoids preferentially attack the youngest host stages or discriminate against protected aphids.
Natural Enemy Resistance

2012
Hamiltonella defensa

Pseudomonadota
Bacteria

2012
Bacteria

Candidatus Hamiltonella defensa 5AT can block the larval development of solitary endoparasitoid wasps (Aphidius ervi and Aphidius eadyi), thereby rescuing the aphid host.
Natural Enemy Resistance

2009
Hamiltonella defensa

Pseudomonadota
Bacteria
Intracellular

Hamiltonella defensa kills parasitoid wasp larvae, allowing aphid hosts to survive and reproduce.
Natural Enemy Resistance

2008
Bacteria
Intracellular

Candidatus Hamiltonella defensa provides protection against parasitism by the wasp, Aphidius ervi.
Natural Enemy Resistance

2008
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
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