相关实验视频
Updated: Feb 28, 2026

12:29
mRNA Interactome Capture from Plant Protoplasts
Published on: July 28, 2017
9.6K
含有子棕基因的RNA识别动机 (RRM) 的遗传特征
Shazia Rehman1, Runan Chen1, Jiajia Li1
1State Key Laboratory of Topical Crop Breeding, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication)/School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China.
Plants (Basel, Switzerland)
|February 27, 2026
概括
子RRM蛋白质是基因表达的关键调节者. 该研究确定了326个子RRM基因,并发现CnHRLP1通过抑制吉伯雷林生物合成来抑制生长.
科学领域:
- 植物分子生物学 植物分子生物学
- 基因组学就是基因组学.
- 文字转录学 (Transcriptomics) 是一个学科.
背景情况:
- 含有RNA识别动机 (RRM) 的蛋白质调节关键的细胞过程.
- 在像子 (Cocos nucifera) 这样的热带作物中对RRM基因的全面表征是有限的.
研究的目的:
- 为了对子中RRM基因进行全基因组分析.
- 为了功能性地描述含有RRM的特定基因,CnHRLP1,并阐明其在植物生长中的作用.
主要方法:
- 326个CnRRM基因的全基因组识别和遗传学分析.
- 转录组分析分析基因表达模式.
- 亚细胞局部化,在Arabidopsis中的基因过度表达,RNA-seq和KEGG通路分析用于CnHRLP1的功能特征.
主要成果:
- 鉴定了326个CnRRM基因,分为11个分类,具有多样化的表达模式.
- 编码一种类似hNRNP的蛋白质的CnHRLP1,局部存在于核中.
- 在Arabidopsis中过度表达CnHRLP1导致化,并显著改变了转录组,影响了吉伯雷林 (GA) 生物合成和代谢途径.
结论:
- 为子RRM蛋白提供了一个全面的基因组资源.
- 建立CnHRLP1作为一种转录调节剂,抑制植物生长,可能通过抑制GA生物合成和促进代谢来调节GA稳态.
相关概念视频
Ribosome Profiling
4.2K
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
4.2K
RNA Structure
79.5K
Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
79.5K
RNA Structure
7.9K
The basic structure of RNA consists of a string of ribonucleotides attached by phosphodiester bonds. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA) involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three...
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA) involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three...
7.9K
Riboswitches
9.9K
Riboswitches are non-coding mRNA domains that regulate the transcription and translation of downstream genes without the help of proteins. Riboswitches bind directly to a metabolite and can form unique stem-loop or hairpin structures in response to the amount of the metabolite present. They have two distinct regions – a metabolite-binding aptamer and an expression platform.
The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
9.9K
piRNA - Piwi-interacting RNAs
7.7K
PIWI-interacting RNAs, or piRNAs, are the most abundant short non-coding RNAs. More than 20,000 genes have been found in humans that code for piRNAs while only 2000 genes have been found for miRNAs. piRNAs can act at the transcriptional and post-transcriptional levels and have a vital role in silencing transposable elements present in germ cells. They are also involved in epigenetic silencing and activation. Previously, they were thought to function only in germ cells but new evidence suggests...
7.7K
Cis-regulatory Sequences
12.0K
Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
12.0K

