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Systemic gene knockdown in Camponotus floridanus workers by feeding of dsRNA

Title data

Ratzka, Carolin ; Gross, Roy ; Feldhaar, Heike:
Systemic gene knockdown in Camponotus floridanus workers by feeding of dsRNA.
In: Insectes Sociaux. Vol. 60 (2013) Issue 4 . - pp. 475-484.
ISSN 0020-1812
DOI: https://doi.org/10.1007/s00040-013-0314-6

Abstract in another language

RNA interference (RNAi) technology enables to study specific gene functions also in social insects, which are otherwise difficult to access for genetic manipulations. The recent sequencing of the genomes from seven ant species made these members of the Formicidae available for knockdown studies. However, for this purpose the RNAi technology first needs to be adapted for application in ants. Studies on other insects show that the effectiveness of RNAi is quite species-specific and can depend on several experimental parameters such as the investigated stage of the insect, the target gene and/or the dsRNA delivery method. RNAi in ants through feeding of dsRNA is a preferable approach, since knockdown can be achieved in individuals without interfering with the animal's physiology in contrast to injection of dsRNA. Here, we present a protocol for gene knockdown in Formicidae by feeding of dsRNA to worker animals. The expression of a peptidoglycan recognition protein gene, PGRP-LB, was efficiently knocked down in the body of Camponotus floridanus worker ants. Moreover, we describe a relatively cheap method to extract dsRNA from bacteria in order to obtain large quantities needed for feeding experiments.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER120877
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Animal Population Ecology > Professorship Animal Population Ecology - Univ.-Prof. Dr. Heike Feldhaar
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Professorship Animal Population Ecology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: No
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 570 Life sciences, biology
500 Science > 590 Animals (Zoology)
Date Deposited: 24 Apr 2015 13:00
Last Modified: 24 Apr 2015 13:00
URI: https://eref.uni-bayreuth.de/id/eprint/10805