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Anas platyrhynchos

ABSTRACT: Transcriptomic analysis of ovaries from ducks with high and low egg production

PROVIDER: PRJNA357037 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5098022_1.fastq.gz	Fastqsanger.gz
	SRR5098022_2.fastq.gz	Fastqsanger.gz
	SRR5098023_1.fastq.gz	Fastqsanger.gz
	SRR5098023_2.fastq.gz	Fastqsanger.gz
	SRR5098025_1.fastq.gz	Fastqsanger.gz

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Comparative analysis of Tsaiya duck (Anas platyrhynchos) transcriptional profiling between high and low hatchability

Project description:Hatchability is one of the important reproductive traits of poulty, however, molecular biological study related to hatchability of poultry is very limited. The magnum is where the egg white components are produced. During embryo development, egg white secreted by the magnum is gradually transferred into the amniotic fluid, and albumen finally migrates to the embryo. Egg white proteins are composed of ovalbumin, conalbumin, lysozyme, ovomucoid, riboflavin binding protein (RfBP), and other less abundant proteins. Mutation of ovalbumin and RfBP genes increases the mortality of embryos; therefore, egg white might be closely related to poultry hatchability. Tsaiya duck (Anas platyrhynchos) is the major egg-laying duck in Taiwan. In this study, gene expression profiling by cDNA microarray chip technology was performed using mRNA prepared from the magnum epithelium of Tsaiya ducks, and a number of differentially expressed transcripts were found. Keywords = Tsaiya duck (Anas platyrhynchos), magnum, hachability, cDNA microarray, transcriptional profiling. Analysis used low hachability RNA as control samples for comparison to the experimental samples taken from high hachability group. Total RNA was isolated by the RareRNA reagent (GenePure). The MicroMax direct labeling kit (PerkinElmer) was used to prepare the labeled cDNA and further process the hybridization on the arrays. Dye swap was design with four arrays. Arrays were scanned using a GenePix 4000B microarray scanner (Axon Instruments). GenePix Pro 4.1 software was then used to acquire the raw data. The data was analyzed by Avadis software (Strand Life Science).

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Transcriptomic analysis of ovaries from ducks with high and low egg production

Project description:Gene expression differences between the ovaries of Jingding duck with high and low egg production were assessed using the RNA-Seq technology. A total of 843 differentially expressed genes were identified. These genes have known or potential roles in regulation the egg production. Therefore, they are appealing candidates for further investigation of the gene expression and associated regulatory mechanisms related to egg production of ducks.

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