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<p>MicroRNAs (miRNAs) are extremely diversified non coding RNAs which negatively regulate numerous target genes involved in different physiological processes in plants. MiRNAs mediated gene regulation modulates different signalling networks and alters the metabolic pathways for their growth and survival. In this investigation, our goal was to identify the different disease responsive miRNAs from chilli (<i>Capsicum annuum</i>) in response to anthracnose disease, caused by <i>Colletotrichum capsici.</i> The high throughput next generation sequencing was performed from control and infected leaves of chilli (cultivar bullet) to identify differentially regulated miRNAs. A total of 161 known and 26 novel miRNAs were found to be differentially regulated in response to the fungal infection. Among them, 8 novel miRNAs were identified as disease responsive. Moreover, further in-depth analysis demonstrated that can-miRC7-3p, can-miRC13-5p.2, can-miRC27-3p and can-miRC29-5p plays the pivotal role in anthracnose disease progression by regulating their different defense responsive genes. Therefore, this current study provides solid evidence that how the novel miRNAs can regulate the anthracnose disease progression in chilli and makes the bullet cultivar susceptible against the fungal infection.</p>

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Disease-responsive novel miRNAs regulate anthracnose disease progression in bullet cultivar of chilli (Capsicum annuum L.)

  • 期刊论文

  • 发表日期：

    2025年5月20日

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  • Dibyendu Shee,
  • Jayeeta Bijali,
  • Krishnendu Acharya,
  • Riddhi Datta,
  • Soumitra Paul

摘要

MicroRNAs (miRNAs) are extremely diversified non coding RNAs which negatively regulate numerous target genes involved in different physiological processes in plants. MiRNAs mediated gene regulation modulates different signalling networks and alters the metabolic pathways for their growth and survival. In this investigation, our goal was to identify the different disease responsive miRNAs from chilli (Capsicum annuum) in response to anthracnose disease, caused by Colletotrichum capsici. The high throughput next generation sequencing was performed from control and infected leaves of chilli (cultivar bullet) to identify differentially regulated miRNAs. A total of 161 known and 26 novel miRNAs were found to be differentially regulated in response to the fungal infection. Among them, 8 novel miRNAs were identified as disease responsive. Moreover, further in-depth analysis demonstrated that can-miRC7-3p, can-miRC13-5p.2, can-miRC27-3p and can-miRC29-5p plays the pivotal role in anthracnose disease progression by regulating their different defense responsive genes. Therefore, this current study provides solid evidence that how the novel miRNAs can regulate the anthracnose disease progression in chilli and makes the bullet cultivar susceptible against the fungal infection.