相关实验视频
Updated: Jan 29, 2026

08:52
Live-cell Video Microscopy of Fungal Pathogen Phagocytosis
Published on: January 9, 2013
40.6K
释放菌株的潜力,以对麦中线虫和真菌病原体进行双面攻击
Aneta Buntić1, Marina Dervišević Milenković2, Jelena Pavlović1
1Institute of Soil Science, Teodora Drajzera 7, 11000 Belgrade, Serbia.
Insects
|January 28, 2026
概括
百菌 velezensis 和百菌 thuringiensis 显示了作为麦的生物注射剂的潜力. 这些细菌有效控制线虫和Fusarium真菌,同时促进植物生长和产量.
科学领域:
- 农业科学 农业科学
- 微生物学 微生物学
- 植物病理学 植物病理学
背景情况:
- 麦 (Avena sativa) 易受联合生物压力因素的影响,如线虫 (Agriotes lineatus) 和菌.
- 协同作用的压力影响损害了麦根的发育和营养吸收.
- 农药效率下降需要可持续的生物控制策略,重点关注细菌生物注射剂.
研究的目的:
- 确定用于抑制麦中线虫和虫菌的细菌菌株.
- 评估同时促进植物生长的细菌潜力.
- 对于促进植物生长 (PGP) 和生物控制特征的屏幕隔离物.
主要方法:
- 选细菌分离物以检测IAA和 siderophore 生产,以及酸盐溶解.
- 评估针对目标害虫和病原体的杀虫剂和抗真菌活性.
- 在子实验中评估选定的Bacillus菌株,以在压力下增强麦生长.
主要成果:
- 细菌 velezensis BHC 3.1 显示显著的杀虫活性 (63.33%) 对线虫.
- 这种隔离物还显示出强烈抑制虫类物种 (15-71%).
- 用B. velezensis BHC 3.1和B. thuringiensis BHC 2.4注射增加了麦生物质,谷物产量和含量.
结论:
- 百菌 velezensis BHC 3.1 和 B. thuringiensis BHC 2.4 是用于麦种植的有希望的多功能生物注射剂.
- 这些菌株有效地减轻了线虫和Fusarium病原体的联合压力.
- 鉴定到的细菌促进了麦的生长,为化学农药提供了可持续的替代品.
相关概念视频
Acid Attack on Concrete
747
When acids come into contact with concrete, they initiate a chemical reaction that dissolves the hydrated cement paste. This process leads to softening and structural weakening of the concrete. This issue is commonly observed in environments such as chimneys, sewers, and industrial settings. The severity of the damage increases as the pH of the water interacting with the concrete drops below 6.5. In particular, a pH under 4.5 can cause significant concrete damage.
The rate at which hydrogen...
The rate at which hydrogen...
747
Sulfate Attack on Concrete
727
Sulfate attack on concrete is a deterioration process characterized by a whitish discoloration beginning at the edges and corners, accompanied by cracking and spalling. This phenomenon occurs when sulfates react with the components of hardened concrete, forming compounds like calcium sulfate and calcium sulfoaluminate which occupy more space than the substances they replace, causing the concrete to expand and disrupt.
Sulfates from sources like soil, groundwater, or industrial effluents...
Sulfates from sources like soil, groundwater, or industrial effluents...
727
Fungal Group Zygomycota
1.2K
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
1.2K
Fungal Phylum Microsporidia
501
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
501
Fungal Phylum Ascomycota
1.3K
Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
1.3K
Fungal Phylum Basidiomycota
1.1K
Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
1.1K

