MicroRNA annotation in plants: current status and challenges.

Area of Science:

• Plant biology
• Bioinformatics
• Genomics

Background:

• MicroRNA (miRNA) research has surged in plants and animals over the last two decades.
• Accurate miRNA annotation is crucial for understanding gene regulation in plants.

Purpose of the Study:

• To review the current progress and challenges in plant miRNA annotation.
• To compare plant and animal miRNA annotation to identify specific difficulties and propose solutions.
• To survey existing bioinformatics tools and databases for plant miRNA annotation.

Main Methods:

• Comparative analysis of plant and animal miRNA annotation strategies.
• Systematic review and categorization of bioinformatics tools for miRNA annotation, focusing on those mimicking biogenesis pathways.
• Compilation and assessment of available plant miRNA databases.

Main Results:

• Identified key challenges in plant miRNA annotation, distinct from animal systems.
• Evaluated the strengths and weaknesses of various bioinformatics tools and databases.
• Proposed optimization strategies for plant miRNA databases, including enhancing signal-to-noise ratio.

Conclusions:

• Plant miRNA annotation faces unique hurdles requiring specialized approaches.
• Integration of artificial intelligence offers promising avenues for developing all-in-one annotation tools and platforms.
• Future efforts should focus on refining annotation criteria and developing integrated computational solutions.