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Experimental RNAi

Experimental RNAi

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...

Gravitational Potential Energy for Extended Objects

Gravitational Potential Energy for Extended Objects

Consider a system comprising several point masses. The coordinates of the center of mass for this system can be expressed as the summation of the product of each mass and its position vector divided by the total mass:

RNA Interference

RNA Interference

RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...

Telomeres and Telomerase

Telomeres and Telomerase

In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded...

Photoreceptors and Plant Responses to Light

Photoreceptors and Plant Responses to Light

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.

Pollination and Flower Structure

Pollination and Flower Structure

Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.

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相关实验视频

Updated: Feb 6, 2026

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

Published on: February 13, 2012

RNAi扩展了它的影响范围.

Marjori Matzke¹, Antonius J M Matzke

¹Institute of Molecular Biology, Austrian Academy of Sciences, Billrothstrasse 11, A-5020 Salzburg, Austria. mmatzke@imb.oeaw.ac.at

Science (New York, N.Y.)

|August 23, 2003

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No abstract available in PubMed .

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Protocol for RNAi Assays in Adult Mosquitoes A. gambiae

Protocol for RNAi Assays in Adult Mosquitoes A. gambiae

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Last Updated: Feb 6, 2026

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

Published on: February 13, 2012

Bacterial Delivery of RNAi Effectors: Transkingdom RNAi

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Published on: August 18, 2010

Protocol for RNAi Assays in Adult Mosquitoes A. gambiae

Protocol for RNAi Assays in Adult Mosquitoes A. gambiae

Published on: July 3, 2007