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4 results for “laboratory colonization”
Data from: Generational conservation of composition and diversity of field-acquired midgut microbiota in Anopheles gambiae sensu lato during colonization in the laboratory
The gut microbiota is known to play a role in the mosquito vectors' life history, which is a subject of increasing research. Laboratory experiments are essential for such studies and require laboratory colonies. In this study, the conservation of field-obtained midgut microbiota was evaluated in laboratory-reared Anopheles gambiae s.l. mosquitoes continuously hatched in water from the field breeding habitats. Pupae and late instars were obtained from the field and reared, and the emerged adults were blood fed. The eggs obtained from them were hatched in either water from the field or in dechlorinated tap water. The mosquito colonies were maintained for 10 generations. Midguts of female adults from unfed F0 (emerging from field-caught pupae and larvae), F5, and F10 were dissected out and genomic DNA were extracted for 16S metagenomic sequencing. The sequences were compared to investigate the diversity, and bacteria compositional differences using ANCOM and correlation clustering methods. Less than 10% of the bacteria families identified had differential relative abundances between generational groups and accounted for 46% of the variation observed. Although diversity reduced in F10 mosquitoes during lab colonization (Shannon-Weaver; p-value< 0.05), 50% of bacteria genera were conserved in those bred continuously in field-water compared to 38% in those bred in dechlorinated tap water. The study is the first report on the assessment of gut bacterial community of mosquitoes during laboratory colonization and recommends the use of water from the natural breeding habitats if they are intended for microbiota research.
Data from: Generational conservation of composition and diversity of field-acquired midgut microbiota in Anopheles gambiae sensu lato during colonization in the laboratory
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Figure 2 from: Schutze MK, Dammalage T, Jessup A, Vreysen MJB, Wornoayporn V, Clarke AR (2015) Effects of laboratory colonization on Bactrocera dorsalis (Diptera, Tephritidae) mating behaviour: 'what a difference a year makes'. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 369-383. https://doi.org/10.3897/zookeys.540.9770
Figure 2 - Index of Sexual Isolation (ISI) and relative performance indices for males (MRPI) and females (FRPI) with associated 95% confidence intervals calculated for 2010 and 2011 mating compatibility comparisons between Bactrocera dorsalis from Saraburi and Nakhon Si Thammarat, Thailand. Dotted line (0.00) represents random mating (ISI) or equal participation by the sexes (MRPI and FRPI).
Figure 1 from: Schutze MK, Dammalage T, Jessup A, Vreysen MJB, Wornoayporn V, Clarke AR (2015) Effects of laboratory colonization on Bactrocera dorsalis (Diptera, Tephritidae) mating behaviour: 'what a difference a year makes'. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 369-383. https://doi.org/10.3897/zookeys.540.9770
Figure 1 - Behavioural parameters of Bactrocera dorsalis flies from Saraburi (S) and Nakhon Si Thammarat (N) (Thailand) during mating compatibility trials in 2010 and 2011. A Relative percentages and total numbers of each possible couple formed. Numbers in bars are total numbers of each couple formed summed across replicates B Mating latency as average time since first couple observed for couples formed C Average percentage of respective couples collected from the tree for each of the six mating compatibility comparisons. For all graphs, columns surmounted by the same letter within a year are not significantly different at α = 0.05.
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