Biologia plantarum 2013, 57:11-25 | DOI: 10.1007/s10535-012-0109-z

Recent advances in plant immunity: recognition, signaling, response, and evolution

S. Hou1,*, C. Zhang1, Y. Yang1, D. Wu1
1 School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan, P.R. China

Innate immune system is employed by plants to defend against phytopathogenic microbes through specific perception of non-self molecules and subsequent initiation of resistance responses. Current researches elucidate that plants mostly rely on cell surface-located pattern recognition receptors (PRRs) and intracellular nucleotide-binding leucine-rich repeat proteins (NB-LRRs) to recognize pathogen-associated molecular patterns (PAMPs) and effector proteins from microbial pathogens, initiating PAMP- and effector-triggered immunity (PTI and ETI), respectively. Some pathogenic bacterial effector proteins are usually secreted into plant cells and play a virulence function by suppressing plant PTI, implying an evolutionary process of plant immunity from PTI to ETI. In the past several years, a great progress has been achieved to reveal fascinating molecular mechanisms underlying the pathogenic recognition, resistance signaling transduction, and plant immunity evolution. Here, we summarized the latest breakthroughs about these topics, and offered an integral understanding of plant molecular immunity.

Keywords: ETI; hypersensitive response; NB-LRR; PTI; receptor-like cytoplasmic kinases; RIN4
Subjects: immunity; hypersensitive response; leucine-rich repeat proteins; receptor-like cytoplasmic kinases; signaling

Received: August 2, 2010; Accepted: November 24, 2011; Published: March 1, 2013Show citation

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Hou, S., Zhang, C., Yang, Y., & Wu, D. (2013). Recent advances in plant immunity: recognition, signaling, response, and evolution. Biologia plantarum, 57(1), 11-25. doi: 10.1007/s10535-012-0109-z.
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