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Transcriptome resequencing data for rock pigeon (Columba livia)



How do birds navigate their way? It is one of the interesting question about homing pigeons, however the genetic of navigation has reminded as a puzzle. Optic lobe, olfactory bulb, hippocampus and cere were collected for RNA sampling. The generated RNA-seq represent RNA resequencing data for racing homer (homing) pigeon and other rock pigeon breeds. The obtained data set can provide new insight about hippocampus role and GSR contribution to pigeon magnetoreception.

Data description

To investigate the navigation ability of rock pigeon breeds, 60 whole transcriptome sequence data sets related to homing pigeon, Shiraz tumblers, feral pigeons and Persian high flyers were obtained. RNA extraction was performed from three brain regions (optic lobe, olfactory bulb, hippocampus) and cere. Paired-end 150 bp short reads (Library size 350 bp) were sequenced by Illumina Hiseq 2000. In this way, about 342.1 Gbp and 130.3 Gb data were provided. The whole transcriptome data sets have been deposited at the NCBI SRA database (PRJNA532674). The submitted data set may play critical role to describe the mechanism of navigation ability of rock pigeon breeds.


Iran is a large country that contains a special range of altitudes and climates. Therefore, there is a remarkable genetic diversity of animal species [1, 2]. In Iran, due to several reasons such as decoration, food source and dry droppings pigeons have been considered for many years. Ancient pigeon houses (pigeon towers) in Iran plateau are an interesting historical example of pigeon production [3]. Next generation sequencing (NGS) platforms have revolutionized the DNA sequencing. One of the most popular platforms of NGS is whole transcriptome sequencing (RNA-seq). Whole transcriptome analysis plays a critical role in order to describe the genomic features, identifying biological pathways and networks underlying environmental challenges or different biological systems. The outcomes of RNA-seq data analysis provides new insights about biological puzzles [4]. Previously, we carried out a RNA-seq data analysis among different breeds of rock pigeons in order to explain the navigation ability of different breeds of rock pigeon in Iran [5]. Three brain regions (hippocampus, olfactory bulb, optic lobe) and also cere were selected from Persian high flyers, feral, Shiraz tumblers and homing pigeons. It should be noted that, the navigation ability of studied rock pigeon’s breeds can be classified in different groups. Persian high flyer and Shiraz tumblers are similar in navigation ability. Homing pigeon is known as racing pigeon for orientation of long distances. In contrast, feral pigeons have the weakest navigation ability. Hippocampus through complex structure contribute to learning and memory [5]. The neural basis for olfactory navigation in pigeons has been reported and also the olfactory bulb and hippocampus contribute to navigation in pigeons and mammals [6]. It should be noted that, optic lobe as a part of the midbrain, processes visual, auditory and somatosensory information. Therefore, optic lobe may critical role in navigation, however, no accurate evidence is available for this claim [7]. Various hypotheses are available about navigation and migration ability of birds such as processing spatial cues (hippocampus) [8], magnetoreception [9], olfaction (olfactory bulb), audition (auditory cortex) and visual cues (entopallium) [7]. In order to identify the differentially expressed genes in selected brain regions, 60 whole transcriptomes were sequenced from rock pigeon breeds. The provided data sets showed that the most number of differentially expressed genes (DEGs, 234) were in hippocampus. In contrast to hippocampus, few DEGs were detected in the olfactory bulb (15 genes) and the optic lobe (68 genes) between homing pigeons and other breeds [5]. The most DEGs were reported in hippocampus, for instance candidate genes such as MFSD2A, KIRREL3, KCNAB2, and MAPK8IP2 were significantly up-regulated at least 1.3-fold in the homing pigeon. The outcomes of GO enrichment analysis showed that the DEGs in the hippocampus were overrepresented in terms such as cognition, learning or memory and associative learning. In addition, the potential role of GSR in pigeon magnetoreception was reported [5]. The presented data set can provide new perspective about navigation ability of rock pigeon breeds and also explanation of navigation mechanism by RNA-seq analysis.

Data description

It should be noted that, the outcomes of transcriptome data analysis and additional methods details have previously been published in Molecular Biology and Evolution journal [5]. In order to investigate the navigation ability of rock pigeon breeds, four rock pigeon breeds, including 4 homing pigeons [30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45], 3 Shiraz tumblers [62,63,64,65,66,67,68,69,70,71,72,73], 4 feral pigeons [14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29], 4 Persian high flyers [46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61] were collected for RNA sampling from hippocampus (HC), olfactory bulb (OB) and optic lobe (OP) and cere (NS) tissues (Table 1). Pigeon samples were collected from different regions (Tehran, Marvdasht, Shiraz and Kerman) in Iran. In current study, 15 samples of rock pigeons were collected, however RNA sampling was carried out for OP, OB, NS and HC tissues (four different tissues) for each breed. In this way, the BioProject contains 60 RNA-seq samples [11]. Table 1 shows the all direct links for each tissue of rock pigeons. RNA was extracted by QIAGEN kit protocol. Agarose gel (1%) electrophoresis and Nanodrop [ratio 260/280 (nm)] were used to evaluation of the extracted RNA. Paired-end 150 bp short reads (Library size 350 bp) were sequenced by Illumina Hiseq 2000 [5]. Around 342.1 Gbp and 130.3 Gb data were provided [5] (Table 1). Btrim (version: 2.0) was applied to adaptors trimming and quality control of RNA-seq samples. Tophat2 (v2.0.13) [10] under default parameters was utilized to map the short reads to the Cliv_1.0 rock pigeon reference genome [12]. Cufflinks (v2.1.1) [13] was used to assemble the transcripts, with the cuffquant and cuffnorm programs in cufflinks used to quantify and normalize the transcript/gene expression abundances, and cuffdiff (located in the cufflinks software) used to detect differentially expressed genes using a Poisson dispersion model with a false discovery rate (FDR < 0.05). The provided data sets provide new insight about importance of the hippocampus for homing ability, and the potential role of GSR in pigeon magnetoreception.

Table 1 The complete RNA-seq data sets of rock pigeons at NCBI SRA database


In the current study, only four breeds of rock pigeon were investigated and also four tissues were sampled for RNA-seq analysis. In this way, the data set could not present a comprehensive information of brain regions for navigation ability in rock pigeons.

Availability of data and materials

The whole genome sequence data described herein have been deposited in NCBI database as the sequence read archive (SRA) format ( under the accession number of PRJNA532674. Please see Table 1 and the references [14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73] for details and links to the data.



Giga byte


Giga base pair


Gene ontology


The National Center for Biotechnology Information


Deoxyribonucleic acid


Ribonucleic acid


Glutathione-disulfide reductase


Major facilitator superfamily domain containing 2A


Kirre like nephrin family adhesion molecule 3


Potassium voltage-gated channel subfamily A regulatory beta subunit 2


Mitogen-activated protein kinase 8 interacting protein 2


Next generation sequencing


RNA sequencing


Differentially expressed genes


Olfactory bulb


Optic lobe






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The authors appreciate the pigeon breeders in Iran for their assistance in collecting pigeon samples.


This work was supported by the National Natural Science Foundation of China (31822048) and Strategic Priority Research Program of the Chinese Academy of Sciences (XDB13020600), and the Animal Branch of the Germplasm Bank of Wild Species of Chinese Academy of Science.

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AE conceived the study. Sampling was done by HKK. The genome resequencing data were created and assessed by AE and HKK. HKK and FS prepared the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Hamed Kharrati-Koopaee.

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The procedure of blood sampling was approved by the Department of Animal Science at Shiraz University (Permit number: 93-192).

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The authors declare that they have no competing interests.

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Kharrati-Koopaee, H., Esmailizadeh, A. & Sabahi, F. Transcriptome resequencing data for rock pigeon (Columba livia). BMC Res Notes 15, 121 (2022).

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