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On the relevance of technical variation due to building pools in microarray experiments [Honey bee]

ABSTRACT: The objective of the study was to assess the technical error due to blending of individual samples into pools in different experimental data sets. The blending error variance component corresponds to random effects for inaccuracies, which were modeled on the logarithmic scale of normalized gene expression. It's estimation based on a linear mixed model, fitted for each transcript.

ORGANISM(S): Apis mellifera

PROVIDER: GSE72943 | GEO | 2015/09/11

SECONDARY ACCESSION(S): PRJNA295389

REPOSITORIES: GEO

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On the relevance of technical variation due to building pools in microarray experiments [Honey bee]

Project description:The objective of the study was to assess the technical error due to blending of individual samples into pools in different experimental data sets. The blending error variance component corresponds to random effects for inaccuracies, which were modeled on the logarithmic scale of normalized gene expression. It's estimation based on a linear mixed model, fitted for each transcript. Honey bees showing hygienic behavior towards Varroa-parasitized brood were compared with controls and among each other. Tissues from mushroom body, antennal lobe and Antennae of honey bees were processed for microarray analysis. They were measured as single samples as well as pooled samples from 2 or 4 individuals.

2015-09-11 | E-GEOD-72943 | biostudies-arrayexpress

On the relevance of technical variation due to building pools in microarray experiments [Mouse]

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On the relevance of technical variation due to building pools in microarray experiments

Project description:The objective of the study was to assess the technical error due to blending of individual samples into pools in experimental data. The blending error variance component corresponds to random effects for inaccuracies, which were modeled on the logarithmic scale of normalized gene expression. It's estimation based on a linear mixed model, fitted for each transcript. Ovaries from 30 animals of line FL1 and of the control line DUKsi were collected at the metestrous stage. They were combined to 6 pools of 5 individuals each and processed for microarray analysis. Additionally, the 10 individuals used for the first two pools of each line were processed.

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On the relevance of technical variation due to building pools in microarray experiments

Project description:This SuperSeries is composed of the SubSeries listed below.

2015-09-11 | GSE72944 | GEO

On the relevance of technical variation due to building pools in microarray experiments

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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On the relevance of technical variation due to building pools in microarray experiments.

Project description: Not available

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Project description:Apis mellifera syriaca is the native honeybee subspecies of Jordan and much of the Middle East. It expresses behavioral adaptations to a regional climate with very high temperatures, nectar dearth in summer, attacks of the Oriental wasp Vespa orientalis and in most cases it is resistant to varroa mites. The Thorax control sample of A. m. syriaca in this experiment was originally collected and stored since 2001 from Wadi Ben Hammad a remote valley in the southern region of Jordan. Using morphometric and Mitochondrial DNA markers it was proved that bees from this area had show higher similarity than other samples collected from the Middle East as represented by reference samples collected in 1952 by Brother Adam. The samples L1-L5 are collected from the National Center for Agricultural Research and Extension breading apiary which was originally established for the conservation of Apis mellifera syriaca. Goal was to use the genetic information in the breeding for varroa resistant bees and to determine the successfulness of this conservation program. Project funded by USAID-MERC grant number: TA-MOU-09-M29-075.

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Honey bee "Apis mellifera intermissa"

Project description:Apis mellifera intermissa (Buttel-Reepen, 1906) is the native honeybee subspecies of Algeria. A.m.intermissa occurs in Tunisia, Algeria and Morocco, between the Atlas and the Mediterranean and Atlantic coasts (Ruttner, 1988), in an area of more than 2500 km long. Intermissa indicates the position through this bee races between tropical Africa and European breeds (Peyvel, 1994). The settlement area of the Tellian extends from Tunisia to Morocco. Ruttner et al (1978) describes the pure Tellian. It is a black hair of his coat poverty brings out the black color. It is a small size, there are some times light illumination on the tergites. This bee is very aggressive, nervous, sick to take part, as swarms huge fall and even produced many brood and can build up to one hundred queen cells (Le Conte, 2002). A.m.intermissa is prone to swarming, shows an aggressive behaviour and an abundant use of propolis (Ruttner 1988). This study is part of the project funded by the USAID Grant No. TA-MOU-08-M29-075.

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