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AirDB: Angiosperm Immune Receptor Database


AirDB is a user-friendly web application that offers a comprehensive resource of immune receptor and signaling pathway genes across 808 angiosperm genomes, covering basal ANA grade, Chloranthales, Magnoliids, monocots, Ceratophyllales, and dicots. Meanwhile, AirDB integrates convenient online bioinformatical analysis tools, aimed at exploration of immune receptor genes from any newly sequenced genomes or datasets of interest.


Genomes from

808 species

Identifacation of

237 775 NLRs

Identifacation of

379 028 IR-RLKs

Identifacation of

63 440 IR-RLPs





If you use the AirDB, please cite:

[1] Sai-Xi Li, Yang Liu, Yan-Mei Zhang, Jian-Qun Chen, Zhu-Qing Shao. Convergent reduction of immune receptor repertoires during plant adaptation to diverse special lifestyles and habitats. Nat Plants. 11, 248-262 (2025). doi: 10.1038/s41477-024-01901-x.

[2] Yang Liu, Zhen Zeng, Yan-Mei Zhang, Qian Li, Xing-Mei Jiang, Zhen Jiang, Ji-Hong Tang, Dijun Chen, Qiang Wang, Jian-Qun Chen, Zhu-Qing Shao. An angiosperm NLR Atlas reveals that NLR gene reduction is associated with ecological specialization and signal transduction component deletion. Mol Plant. 14, 2015-2031 (2021). doi: 10.1016/j.molp.2021.08.001.

Contact: If you have any questions about AirDB, please do not hesitate to contact Zhu-Qing Shao or Jian-Qun Chen: zhuqingshao@nju.edu.cn (Z.Q.S.) or chenjq@nju.edu.cn (J.Q.C.)

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NOTICE: AirDB and its associated data, tools, and content are proprietary to Nanjing University. Unauthorized commercial use, reproduction, or distribution is strictly prohibited and may result in legal action.本网站仅限学术用途免费使用。任何未经授权的商业用途、复制或分发行为均被严格禁止,并可能导致法律追责。

Gene number comparison
  • NLR
  • IR-RLK
  • IR-RLP
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Taxon and Genome Information
Immune Receptor Gene Number




Candidate Immune Receptor Gene List
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Gene List
Overview of Identification Result
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Blastp Parameters




Sequences Producing Significant Alignments   Gene List
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