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2025-01-06

A Comprehensive Guide to Yeast-Based Screening for Stress Resistance Genes

Unlike animals, which can move freely to find suitable environments, plants are stationary organisms, rooted in the soil, and inevitably exposed to harsh environmental conditions. Environmental stresses can be divided into two main categories based on their nature: biotic and abiotic stresses.

2025-01-03

Practical Tips | Guide to Choosing a Protein Expression System

Protein expression refers to a molecular biology technique that uses hosts like bacteria, yeast, animal cells, or plant cells to express foreign gene proteins. A protein expression system is a setup composed of a host, foreign gene, vector, and auxiliary components, which enables the expression of the foreign gene within the host.

2025-01-02

Relative Quantification and Absolute Quantification in Fluorescent Quantitative PCR

In molecular biology research, quantitative polymerase chain reaction (qPCR) is a commonly used technique to detect and quantify specific DNA sequences. Two major applications of qPCR—absolute quantification and relative quantification—play crucial roles in gene expression analysis.

2024-12-31

Project Article | Sichuan Agricultural University Maize Research Institute Utilizes MTP to Assist in the Creation of Disease-resistant, Stress-tolerant Dwarf Maize Germplasm

Dwarfing traits represent desirable characteristics such as high yield, fertilizer tolerance, and lodging resistance. These traits are an important research focus in the breeding of high-yielding varieties of crops like wheat, rice, and maize. In maize, dwarfing breeding has mainly focused on the Br2 gene. However, the application of a single gene limits genetic diversity. Therefore, new dwarfing resources need to be created and identified through methods such as natural mutation, artificial mutagenesis, and genetic engineering.

2024-12-30

Solution Strategy for Large-Scale Library Screening—CrY2H-seq

Yeast two-hybrid (Y2H) assays are currently one of the most widely used methods for mapping protein interactions. The data from these assays help enrich protein interaction databases. However, Y2H requires the use of a known protein (bait protein) to "fish" for other proteins that interact with it (prey proteins). To uncover all interactions, if we want to understand the interaction patterns of 1,000 proteins within a cell, we would need to conduct 1,000 separate experiments, where each bait protein interacts with all proteins in the cell.

2024-12-27

AI algorithms 'unveil' protein structures and predict protein interactions

Proteins are the core components of life systems, and their structure is the decisive factor in their functionality.Generally, proteins do not function independently; instead, they carry out tasks through interactions with each other, known as protein-protein interactions (PPI).

2024-12-26

How Much Do You Know About Nanobodies?

Antibodies are protective proteins produced by the body in response to antigen stimulation. They are Y-shaped proteins composed of four linked polypeptide chains.Two of these chains, with relatively larger molecular weights, are called heavy chains, while the other two are light chains. Each chain has two ends: the C-terminus and the N-terminus. Analysis of the sequences of the four chains reveals that approximately 110 amino acids near the N-terminus exhibit significant variability, known as the variable region. In contrast, other regions of the sequence remain relatively consistent, referred to as the constant region.

2024-12-16

How Membrane-Based Yeast Two-Hybrid Systems Revolutionize P Detection in Biopharmaceuticals

How Membrane-Based Yeast Two-Hybrid Systems Revolutionize P Detection in Biopharmaceuticals Table of Contents 1. Introduction to Membrane-Based Yeast Two-Hybrid Systems 2. The Importance of P Detection in Biopharmaceuticals 3. Understanding Membrane-Based Yeast Two-Hybrid Systems 3.1 Basic Principles of Yeast Two-Hybrid Technology 3.2 Membrane Integration and Its Advantages 4. Applicat

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