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Related Concept Videos

Alternative RNA Splicing02:18

Alternative RNA Splicing

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Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
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RNA Splicing01:32

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Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
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Plant Tissue Culture02:57

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Plant tissue culture is widely used in both primary and applied science. Applications range from plant development studies to functional gene studies, crop improvement, commercial micropropagation, virus elimination, and conservation of rare species.
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Chromatin Structure Regulates pre-mRNA Processing02:41

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In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
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Regulation of Expression Occurs at Multiple Steps02:24

Regulation of Expression Occurs at Multiple Steps

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Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
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Detection of Alternative Splicing During Epithelial-Mesenchymal Transition
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Detection of Alternative Splicing During Epithelial-Mesenchymal Transition

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Alternative Splicing as a Regulator of Early Plant Development.

Dóra Szakonyi1, Paula Duque1

  • 1Instituto Gulbenkian de Ciência, Oeiras, Portugal.

Frontiers in Plant Science
|August 31, 2018
PubMed
Summary

Alternative splicing (AS) generates diverse mRNA molecules in plants, crucial for development and stress responses. This review explores AS

Keywords:
alternative splicingearly seedling developmentembryogenesisphotomorphogenesisseed dormancyseed germinationseed maturationsplicing factors

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Area of Science:

  • Plant molecular biology
  • Genetics
  • Developmental biology

Background:

  • Most plant genes contain introns requiring pre-mRNA splicing.
  • Alternative splicing (AS) produces multiple mRNA variants from a single gene, increasing genomic potential.
  • AS plays roles in plant responses to environmental cues, development (e.g., flowering), and circadian rhythms.

Purpose of the Study:

  • To review the role of alternative splicing (AS) and splicing factors in early plant development.
  • To highlight recent findings and future challenges in this field.

Main Methods:

  • Literature review of existing evidence on AS in early plant development.
  • Analysis of studies on splicing factors and their involvement in embryogenesis, germination, and morphogenesis.

Main Results:

  • AS is implicated in critical early developmental stages like embryo formation, seed germination, and skoto-/photomorphogenesis.
  • Splicing factors are essential for executing the correct plant body plan and initiating reproduction.

Conclusions:

  • Alternative splicing is a key regulatory mechanism in early plant development.
  • Further research is needed to fully understand the complexities and challenges of AS in plant development.