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相关概念视频

Transgenic Plants02:50

Transgenic Plants

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...
Production of Biopesticides01:18

Production of Biopesticides

Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...
Bioplastics01:27

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...

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相关实验视频

Updated: Jun 23, 2026

Measuring Volatile and Non-volatile Antifungal Activity of Biocontrol Products
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由新型Trichoderma spp 生产的peptaibol的表征和量化:利用它们在黑胡 (Piper nigrum L.) 中通过增强的生化和生理反应来减轻水分压力的潜力.

Vijayasanthi Kodakkal Valiyambath1,2, Titty Anna Thomas1, Priya George1

  • 1ICAR-Indian Institute of Spices Research, Marikunnu, Kozhikode, Kerala, 673012, India.

World journal of microbiology & biotechnology
|October 2, 2024
PubMed
概括
此摘要是机器生成的。

某些Trichoderma物种通过促进二次代谢物生产来增强黑胡植物的生长和耐旱能力. 这些生物控制剂刺激抗氧化机制,并在水分压力下积累保护性化合物.

关键词:
三皮菌 spp. 三皮菌干旱 干旱 干旱 干旱佩普塔伊博尔 (Peptaibol) 是一种可怕的药物.类化合物 类化合物氨酸 (proline) 是一种氨酸.二次代谢产物二次代谢产物

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科学领域:

  • 植物病理学 植物病理学
  • 微生物生物技术 微生物生物技术
  • 农业科学 农业科学

背景情况:

  • 三皮菌 spp. 三皮菌 众所周知,它们可以控制生物植物的压力.
  • 它们还可以通过增强植物防御机制和二次代谢物合成来减轻非生物压力.

研究的目的:

  • 优化新型Trichoderma spp.中化醇生产的条件.
  • 调查选择的Trichoderma分离物在改善黑胡生长和水分压力下的生理化学反应方面的有效性.

主要方法:

  • 在体外对51个Trichoderma分离物的选,以检测它们对低湿度和高温的耐受性.
  • 在不同的水分水平下,在黑胡植物上的有希望的分离物的体内评估 (现场容量[FC]:75%,50%,25%).
  • 二次代谢物的量化 (,,MDA,可溶性蛋白质) 和生长参数.

主要成果:

  • 六个Trichoderma分离物 (T. asperellum,T. erinaceum,T. harzianum,T. lixii) 显示出对干旱和热应激的耐受性.
  • 用T. asperellum和T. harzianum进行注射,在水分压力下显著改善了黑胡的生长.
  • 在低水分水平 (50%和25%FC) 的植物中,Trichoderma注射导致了proline,phenols,MDA和可溶蛋白在植物中的积累增加.

结论:

  • 特里科德玛分离物,特别是T. harzianum和T. asperellum,提高了黑胡的干旱耐受性.
  • 特里科德玛公司生产的胺醇可能对它们的生物控制有效性至关重要.
  • 这些发现突显了特异性Trichoderma菌株在提高作物对非生物应激的抵抗力方面的潜力.