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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...
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...
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...
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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 atmosphere, the...

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Related Experiment Video

Updated: May 31, 2026

Potato Virus X-Based microRNA Silencing (VbMS) In Potato.
11:51

Potato Virus X-Based microRNA Silencing (VbMS) In Potato.

Published on: May 11, 2020

MicroRNAs in tomato plants.

JinHua Zuo1, YunXiang Wang, HaiPing Liu

  • 1College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China.

Science China. Life Sciences
|July 13, 2011
PubMed
Summary
This summary is machine-generated.

MicroRNAs (miRNAs) regulate gene expression in plants. This review highlights their crucial roles in tomato fruit ripening, development, stress responses, and potential as diagnostic markers for virus infections.

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Last Updated: May 31, 2026

Potato Virus X-Based microRNA Silencing (VbMS) In Potato.
11:51

Potato Virus X-Based microRNA Silencing (VbMS) In Potato.

Published on: May 11, 2020

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

RNA Blot Analysis for the Detection and Quantification of Plant MicroRNAs

Published on: July 11, 2020

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

Area of Science:

  • Molecular Biology
  • Plant Science
  • Genetics

Background:

  • MicroRNAs (miRNAs) are small RNA molecules that regulate gene expression in eukaryotes.
  • In plants, miRNAs function via mRNA cleavage or translational repression.
  • Tomato is a model organism for studying fleshy fruit development and ripening.

Purpose of the Study:

  • To systematically review current knowledge on miRNA functions in tomato.
  • To highlight the involvement of miRNAs in tomato fruit ripening and senescence.
  • To explore the potential of miRNAs as diagnostic markers for virus infections in tomato.

Main Methods:

  • Literature review and synthesis of existing research on tomato miRNAs.
  • Analysis of predicted and verified miRNA targets and functions.
  • Discussion of recent findings in host-virus interactions related to miRNAs.

Main Results:

  • MiRNAs are implicated in nearly all biological processes in tomato, including development, differentiation, and stress responses.
  • Several miRNAs have been verified to play roles in tomato fruit ripening and senescence.
  • Emerging evidence suggests miRNAs are involved in host-virus interactions in tomato.

Conclusions:

  • MiRNAs are critical regulators of diverse processes in tomato, notably fruit ripening.
  • Further research into tomato miRNAs could lead to novel diagnostic tools for viral diseases.
  • This review provides a foundation for future investigations into tomato miRNA biology.