大豆事件的特征与微管相关蛋白65-1 (MAP65-1) 的增强表达
Panya Kim1,2, Samira Mahboob1,2, Hanh T Nguyen3
1Center for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NE 68588, U.S.A.
Molecular plant-microbe interactions : MPMI
|October 27, 2023
概括
大豆中的过度表达微管相关蛋白65-1 (MAP65-1) 增强了对细菌和虫病原体的抵抗力,并改善了对除草剂和寒冷压力的耐受性. 这突出了MAP65-1的特点.
科学领域:
- 植物生物学 植物生物学
- 分子生物学分子生物学
- 遗传学 遗传学 是一个
背景情况:
- 微管相关蛋白65-1 (MAP65-1) 对于植物细胞骨的稳定性至关重要,并与植物对环境压力的反应有关.
- MAP65-1,特别是Arabidopsis MAP65-1 (AtMAP65-1),是细菌病原体的目标,并在植物免疫力中发挥作用.
- 大豆 (Glycine max) 是一种易受各种生物和非生物挑战的重要作物.
研究的目的:
- 调查AtMAP65-1及其大豆同类GmMAP65-1在转基因大豆植物中赋予耐压力的作用.
- 评估AtMAP65-1和GmMAP65-1过度表达对大豆对特定病原体的耐药性,对除草剂的耐受性和寒冷压力的影响.
主要方法:
- 在花马赛克病毒35S促销者下表达AtMAP65-1和GmMAP65-1的转基因大豆事件的生成.
- 挑战转基因大豆系与细菌病原体Pseudomonas syringae pv. 的挑战 甘氨酸和菌体病原体Phytophthora sojae. 这种病原体.
- 评估对除草剂奥里扎林的耐受性,并评估结条件下的细胞盐离子泄漏.
主要成果:
- 过度表达AtMAP65-1和GmMAP65-1的转基因大豆表现出对Pseudomonas syringae pv.的抗性增加. 甘氨酸和Phytophthora sojae. 这种植物.
- 这些转基因菌株也对微管破坏稳定的除草剂奥瑞扎林 (Oryzalin) 产生了耐受性.
- 表达GmMAP65-1-的植物在结温度下减少了细胞溶离子泄漏,这表明它们具有更强的寒冷耐受性.
结论:
- 在大豆中过度表达AtMAP65-1和GmMAP65-1,使其能耐受多种生物应激,包括细菌和卵菌类病原体.
- 这些MAP65-1基因的子宫外表达增强了对非生物压力的耐受性,例如除草剂处理和冷条件.
- MAP65-1是基因工程的一个有希望的目标,可以在不同的农业环境中提高大豆的弹性和产量.
相关概念视频
Gene Regulation During Sporulation
20
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...
20
Transgenic Plants
7.3K
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...
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...
7.3K
Cell Signaling in Plants
5.6K
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
5.6K
MAPK Signaling Cascades
5.6K
Mitogen-activated protein kinase, or MAPK pathway, activates three sequential kinases to regulate cellular responses such as proliferation, differentiation, survival, and apoptosis. The canonical MAPK pathway starts with a mitogen or growth factor binding to an RTK. The activated RTKs stimulate Ras, which recruits Raf or MAP3 Kinase (MAPKKK), the first kinase of the MAPK signaling cascade. Raf further phosphorylates and activates MEK or MAP2 Kinases (MAPKK), which in turn phosphorylates MAP...
5.6K
Constitutive and Regulated Gene Expression
24
Gene expression in prokaryotes is governed by constitutive and regulated systems, allowing cells to balance the production of essential proteins with adaptive responses to environmental changes.Constitutive Gene ExpressionConstitutive, or housekeeping, genes are continuously expressed as they encode proteins vital for fundamental cellular processes. These include enzymes for glycolysis, ribosomal components for protein synthesis, and proteins involved in DNA replication. Their constant...
24
Cell Specific Gene Expression
4.7K
4.7K


