Transcriptional profiling of chickpea genes differentially regulated by salicylic acid, methyl jasmonate and aminocyclopropane carboxylic acid to reveal pathways of defence-related gene regulation

Functional Plant Biology : FPB
Tristan E Coram, Edwin C K Pang

Abstract

Using microarray technology and a set of chickpea (Cicer arietinum L.) unigenes and grasspea (Lathyrus sativus L.) expressed sequence tags, chickpea responses to treatments with the defence signalling compounds salicylic acid (SA), methyl jasmonate (MeJA) and aminocyclopropane carboxylic acid (ACC) were studied in three chickpea genotypes with ranging levels of resistance to ascochyta blight [Ascochyta rabiei (Pass.) L.]. The experimental system minimised environmental effects and was conducted in reference design, where samples from untreated controls acted as references against post-treatment samples. Microarray observations were also validated by quantitative reverse transcription-polymerase chain reaction. The time-course expression patterns of 715 experimental microarray features resulted in differential expression of 425 transcripts. The A. rabiei resistant chickpea genotypes showed a more substantial range of defence-related gene induction by all treatments, indicating that they may possess stronger abilities to resist pathogens. Further, the involvement of SA, MeJA and ACC signalling was identified for the regulation of some important A. rabiei responsive transcripts, as well as cross-talk between these pathways. In the...Continue Reading

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Citations

May 7, 2010·Plant, Cell & Environment·Damla D BilginEvan H DeLucia
Feb 2, 2016·International Journal of Molecular Sciences·Yahui HanHaiyang Jiang
Aug 19, 2008·Molecular Plant Pathology·Tristan E CoramXianming Chen
May 9, 2012·Molecular Biology Reports·Xiansheng WangHao Ma
Oct 1, 2007·Functional Plant Biology : FPB·Tristan E CoramEdwin C K Pang
Feb 11, 2020·Journal of Proteome Research·María-Ángeles CastillejoDiego Rubiales

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