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Data released on April 04, 2014

Genomic data of the pear (Pyrus bretschneideri).

Chen, H; Chen, N, J; Cong, L; Deng, C; Gou, C; Huang, X; Khan, M, A; Korban, S, S; Ming, R; Nishio, T; Qi, K; Qin, G; Sha, Y; Shi, Z; Song, Y; Tao, S; Tao, Y; Wang, H; Wang, Y; Wang, Z; Wu, J; Wu, J; Xu, X; Yang, Y; Yin, H; Zhang, S; Zhao, X; Zhou, W; Zhu, S; Li, L; Wang, J; Zhan, D; Dai, M; Gu, C; Shi, D; Wang, Y; Wang, X; Zhang, H; Zeng, L; Zheng, D; Wang, C; Chen, M; Wang, G; Xie, L; Sovero, V; Sha, S; Huang, W; Zhang, S; Zhang, M; Sun, J; Xu, L; Li, Y; Liu, X; Li, Q; Shen, J; Wang, J; Paull, R, E; Bennetzen, J, L; Wang, J; Zhang, S (2014): Genomic data of the pear (Pyrus bretschneideri). GigaScience Database. RIS BibTeX Text

Pear, the third most important temperate fruit species after grape and apple, belongs to the subfamily Pomoideae in the family Rosaceae. The majority of cultivated pears are functional diploids (2n = 34). The Pyrus genus is genetically diverse with thousands of cultivars, but it can be divided into two major groups, Occidental pears (European pears) and Oriental pears (Asiatic pears).
We sequenced the genome to a depth of approximately 107 X with short reads from a series of libraries with various insert sizes ( 170bp, 500bp, 800bp, 2kb, 5kb, 10kb, 20kb and 40kb) on a HiSeq 2000 sequencer.
The assembled scaffolds of high quality sequences total 57 Gb. We identified 42,812 protein-coding genes.

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Read the peer-reviewed publication(s):

Wu, J., Wang, Z., Shi, Z., Zhang, S., Ming, R., Zhu, S., … Wang, H. (2012). The genome of the pear (Pyrus bretschneideri Rehd.). Genome Research, 23(2), 396–408. doi:10.1101/gr.144311.112 (PubMed: 23149293)

Accessions (data included in GigaDB):

BioProject: PRJNA157875



Samples: Table Settings


Common Name
Scienfic Name
Sample Attributes
Taxonomic ID
Genbank Name

Sample IDTaxonomic IDCommon NameGenbank NameScientific NameSample Attributes
SRS373521225117Chinese white pearPyrus x bretschneideri Cultivar:Dangshansuli
Geographic location (country and/or sea,region):no...
Displaying 1-1 of 1 Sample(s).

Files: (FTP site) Table Settings


File Description
Sample ID
Data Type
File Format
Release Date
Download Link
File Attributes

File NameSample IDData TypeFile FormatSizeRelease Date 
SRS373521Coding sequenceUNKNOWN48.83 MB2014-04-04
SRS373521AnnotationGFF17.56 MB2014-04-04
SRS373521Protein sequenceUNKNOWN16.91 MB2014-04-04
SRS373521Sequence assemblyFASTA485.41 MB2014-04-04
ReadmeTEXT0.52 KB2014-04-04
Displaying 1-5 of 5 File(s).



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