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Related Concept Videos

Transcription01:10

Transcription

138.2K
Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
138.2K
Photoreceptors and Plant Responses to Light02:00

Photoreceptors and Plant Responses to Light

22.5K
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
22.5K
Transcription Attenuation in Prokaryotes02:42

Transcription Attenuation in Prokaryotes

14.6K
Transcriptional attenuation occurs when RNA transcription is prematurely terminated due to the formation of a terminator mRNA hairpin structure.  Bacteria use these hairpins to regulate the transcription process and control the synthesis of several amino acids including histidine, lysine, threonine, and phenylalanine. Transcription attenuation takes place in the non-coding regions of mRNA.
There are several different mechanisms used to attenuate transcription. In ribosome mediated...
14.6K
Transgenic Plants02:50

Transgenic Plants

7.0K
Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
7.0K
Regulation of Expression at Multiple Steps01:23

Regulation of Expression at Multiple Steps

1.4K
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
1.4K
Gene Regulation During Sporulation01:17

Gene Regulation During Sporulation

713
Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
713

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Correction: Gupta, P.; Jaiswal, P. Transcriptional Modulation During Photomorphogenesis in Rice Seedlings. Genes

Parul Gupta1, Pankaj Jaiswal1

  • 1Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA.

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|January 8, 2025
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Summary

This study investigated the effects of [specific intervention] on [specific outcome]. Results indicate a significant improvement in [specific outcome] following the intervention, highlighting its potential therapeutic benefits.

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Area of Science:

  • Biomedical Research
  • Clinical Medicine

Context:

  • The study addresses a critical gap in understanding [specific disease/condition] progression.
  • Existing treatments for [specific disease/condition] have limitations.

Purpose:

  • To evaluate the efficacy of [specific intervention] in patients with [specific disease/condition].
  • To elucidate the underlying mechanisms of action for [specific intervention].

Summary:

  • The intervention group showed a statistically significant reduction in [specific biomarker] compared to the control group.
  • Qualitative data revealed improved patient-reported outcomes, including [specific symptom/quality of life measure].

Impact:

  • These findings suggest [specific intervention] as a promising new therapeutic strategy.
  • Further research is warranted to explore long-term effects and optimal dosing.