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Related Concept Videos

MicroRNAs01:22

MicroRNAs

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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...
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Key Elements for Plant Nutrition02:35

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Experimental RNAi02:15

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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
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Updated: Sep 25, 2025

Potato Virus X-Based microRNA Silencing VbMS In Potato.
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MicroRNAs: emerging regulators in horticultural crops.

Meiying He1, Xiangjin Kong1, Yueming Jiang1

  • 1Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China.

Trends in Plant Science
|April 25, 2022
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Summary

MicroRNAs (miRNAs) are key regulators in horticultural crops, influencing development and quality. Research highlights their potential for improving fruit, vegetable, and ornamental plant varieties.

Keywords:
horticultural cropsmiRNAquality

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Area of Science:

  • Plant Science
  • Agricultural Science
  • Molecular Biology

Background:

  • Horticulture is a globally significant agricultural practice encompassing fruits, vegetables, and ornamental plants.
  • MicroRNAs (miRNAs) are small endogenous RNAs regulating plant development and physiology.
  • Over 100 horticultural crops have had thousands of miRNAs identified.

Purpose of the Study:

  • To review the regulatory roles of miRNAs in horticultural crop quality.
  • To explore the potential of miRNAs as tools for crop improvement.

Main Methods:

  • Literature review of studies on miRNAs in horticultural crops.
  • Analysis of identified miRNAs and their functions.
  • Synthesis of current knowledge on miRNA-mediated regulation.

Main Results:

  • miRNAs play critical roles in the quality development of diverse horticultural crops.
  • Numerous miRNAs have been identified and characterized across various species.
  • Evidence demonstrates miRNAs' impact on traits like yield, stress tolerance, and nutritional value.

Conclusions:

  • MicroRNAs are vital regulators in horticultural crop development and quality.
  • Targeting miRNAs offers promising strategies for enhancing horticultural crop traits.
  • Further research into miRNA applications can drive innovation in horticulture.