GrTEdb: the first web-based database of transposable elements in cotton (Gossypium raimondii) | Zendy

Zhenzhen Xu | Zendy; Jing Liu | Zendy; NI Wan-chao | Zendy; Zhen Peng | Zendy; Yue Guo | Zendy; Wuwei Ye | Zendy; Fang Huang | Zendy; Xianggui Zhang | Zendy; Peng Xu | Zendy; Qi Guo | Zendy; Xinlian Shen | Zendy; Jianchang Du | Zendy

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GrTEdb: the first web-based database of transposable elements in cotton (Gossypium raimondii)

Author(s) -

Zhenzhen Xu,

Jing Liu,

NI Wan-chao,

Zhen Peng,

Yue Guo,

Wuwei Ye,

Fang Huang,

Xianggui Zhang,

Peng Xu,

Qi Guo,

Xinlian Shen,

Jianchang Du

Publication year - 2017

Publication title -

database

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.406

H-Index - 62

ISSN - 1758-0463

DOI - 10.1093/database/bax013

Subject(s) - genome , biology , gossypium , transposable element , ploidy , web server , gene , genetics , computer science , world wide web , the internet

Although several diploid and tetroploid Gossypium species genomes have been sequenced, the well annotated web-based transposable elements (TEs) database is lacking. To better understand the roles of TEs in structural, functional and evolutionary dynamics of the cotton genome, a comprehensive, specific, and user-friendly web-based database, Gossypium raimondii transposable elements database (GrTEdb), was constructed. A total of 14 332 TEs were structurally annotated and clearly categorized in G. raimondii genome, and these elements have been classified into seven distinct superfamilies based on the order of protein-coding domains, structures and/or sequence similarity, including 2929 Copia-like elements, 10 368 Gypsy-like elements, 299 L1 , 12 Mutators , 435 PIF-Harbingers , 275 CACTAs and 14 Helitrons . Meanwhile, the web-based sequence browsing, searching, downloading and blast tool were implemented to help users easily and effectively to annotate the TEs or TE fragments in genomic sequences from G. raimondii and other closely related Gossypium species. GrTEdb provides resources and information related with TEs in G. raimondii , and will facilitate gene and genome analyses within or across Gossypium species, evaluating the impact of TEs on their host genomes, and investigating the potential interaction between TEs and protein-coding genes in Gossypium species.

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