Functional Symbionts

48 records

Records of insect symbionts with verified function from literatures.

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Host Insect Classification Localization Function Function Tags Year Edit
Bacteria

Candidatus Hamiltonella defensa increases the reproductive capacity of wheat aphids (number of offspring and reduced age of first breeding) and suppresses the host's salicylic acid (SA)- and jasmonic acid (JA)-related defense pathways.
Fertility Plant Defense Modulation

2019
Bacteria

Candidatus Hamiltonella defensa defensa may indirectly improve the fitness of Sitobion miscanthi by stimulating the proliferation of Buchnera aphidicola.
Stress Resistance

2018
Hamiltonella defensa

Pseudomonadota
Bacteria

Hamiltonella defensa increased progeny and female progeny size of Aphelinus glycinis.
Fertility

2018
Hamiltonella defensa

Pseudomonadota
Bacteria

Hamiltonella defensa decreased adult survival on Acyrthosiphon pisum.
Growth Regulation

2018
Bacteria

2017
Bacteria
Intracellular

Candidatus Hamiltonella defensa substantially affected the hyperparasitoid (either Aphidius ervi or Aphelinus abdominalis) hatch rate.
Natural Enemy Resistance

2017
Hamiltonella

Pseudomonadota

Bemisia tabaci

Croatia, Montenegr…

Bacteria
Extracellular

Hamiltonella confers resistance to parasitoids and increases thermotolerance.
Natural Enemy Resistance

2017
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

Pseudomonadota
Bacteria
Intracellular

Hamiltonella is known to protect aphids against parasitism.
Natural Enemy Resistance

2016
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
Hamiltonella

Pseudomonadota
Bacteria
Intracellular

Hamiltonella increases the growth rate of its host Bemisia tabaci during periods of nutritional stress.
Growth Regulation

2014
Hamiltonella

Pseudomonadota
Bacteria
Intracellular

Hamiltonella (in Bemisia tabaci MED) conferred significant benefits, including increased egg production, higher nymphal survival, faster development times, and larger adult body size, compared to Hamiltonella-free whiteflies.
Fertility Growth Regulation

2013
Hamiltonella

Pseudomonadota
Bacteria
Intracellular

The ability of B. tabaci Q to acquire, retain, and transmit TYLCV is affected by its S-symbiont Hamiltonella.
Virus Interaction

2013
Bacteria
Intracellular

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

2013
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