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Updated: Jun 27, 2025

Measuring Gene Expression in Bombarded Barley Aleurone Layers with Increased Throughput
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Measuring Gene Expression in Bombarded Barley Aleurone Layers with Increased Throughput

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转录因子DIVARICATA1在应对盐度压力的情况下积极调节种子发芽

Da Zhang1, Tan He1, Xumin Wang2

  • 1State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, National Yangling Agricultural Biotechnology & Breeding Center, Shaanxi Key Laboratory of Crop Heterosis, and College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.

Plant physiology
|April 30, 2024
PubMed
概括

这项研究揭示了DIVARICATA1 (DIV1) 基因是如何在盐度压力下调节芽的. DIV1受吉伯雷利酸和酸的影响,影响关键的发芽基因.

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A Seed Coat Bedding Assay to Genetically Explore In Vitro How the Endosperm Controls Seed Germination in Arabidopsis thaliana08:52

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相关概念视频

Responses to Salt Stress02:02

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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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Transcription01:10

Transcription

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...
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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
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During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.
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Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.
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