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Related Concept Videos

MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
Microbe-Plant Interactions01:09

Microbe-Plant Interactions

Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
Microbial Phylogeny01:28

Microbial Phylogeny

Understanding the evolutionary relationships among microorganisms is fundamental to microbial ecology and taxonomy. Phylogenetic trees are essential tools for inferring these relationships, relying primarily on comparative analyses of molecular sequences such as DNA, RNA, or proteins. In microbial studies, these trees typically depict the evolutionary paths of diverse bacterial and archaeal species by mapping genetic differences accumulated over time.Phylogenetic trees are composed of tips,...

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Updated: May 26, 2026

mirMachine: A One-Stop Shop for Plant miRNA Annotation
06:16

mirMachine: A One-Stop Shop for Plant miRNA Annotation

Published on: May 1, 2021

MicroRNAs in trees.

Ying-Hsuan Sun1, Rui Shi, Xing-Hai Zhang

  • 1Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC 27695, USA.

Plant Molecular Biology
|December 14, 2011
PubMed
Summary
This summary is machine-generated.

MicroRNAs (miRNAs) regulate tree biology, influencing development and adaptation. Artificial miRNAs offer a powerful tool for genetic modification in trees, bypassing traditional breeding methods.

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Last Updated: May 26, 2026

mirMachine: A One-Stop Shop for Plant miRNA Annotation
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mirMachine: A One-Stop Shop for Plant miRNA Annotation

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RNA Blot Analysis for the Detection and Quantification of Plant MicroRNAs
14:41

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Published on: July 11, 2020

A Bioinformatics Pipeline to Accurately and Efficiently Analyze the MicroRNA Transcriptomes in Plants
06:34

A Bioinformatics Pipeline to Accurately and Efficiently Analyze the MicroRNA Transcriptomes in Plants

Published on: January 21, 2020

Area of Science:

  • Plant molecular biology
  • Genetics and genomics
  • Biotechnology

Background:

  • MicroRNAs (miRNAs) are small RNA molecules regulating gene expression in plants by degrading messenger RNAs (mRNAs).
  • Tree biology, encompassing development, metabolism, adaptation, and evolution, is significantly influenced by miRNA activity.
  • Understanding miRNA roles is crucial for advancing tree science and genetic applications.

Purpose of the Study:

  • To review the current knowledge on microRNAs in trees (woody perennials).
  • To guide future research into the functions of miRNAs in tree biology.
  • To highlight the potential of miRNAs in the genetic engineering of trees.

Main Methods:

  • This review synthesizes existing research on plant microRNAs, focusing on their specific roles and applications in trees.
  • It examines the use of modified (artificial) miRNAs as dominant genetic suppressors.
  • The review discusses how artificial miRNAs facilitate gene function studies and genetic modification in trees.

Main Results:

  • MicroRNAs are key regulators of diverse aspects of tree biology.
  • Artificial miRNAs provide an efficient method for gene suppression in trees, overcoming limitations of traditional genetics.
  • This technology enables faster research into gene function and accelerates tree improvement through genetic engineering.

Conclusions:

  • MicroRNAs play a vital role in regulating fundamental processes in tree development, adaptation, and evolution.
  • Artificial miRNAs represent a significant advancement for tree genetics, enabling precise gene manipulation and functional studies.
  • Harnessing miRNAs offers promising avenues for the directed genetic modification of trees for research and practical applications.