可培养的种子内植物群落是否在共享相同息地的本地和入侵性 Fabaceae 之间有所不同?
J G Jesus1,2, F Gonçalves1, A Clemente1,2
1Departamento de Biologia Vegetal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal.
Plant biology (Stuttgart, Germany)
|October 24, 2025
概括
侵入性 Acacia 种类从本土植物中获得有益的种子内,增强它们在新环境中的发芽和入侵成功. 这种微生物伙伴关系有助于它们在沙丘和森林息地传播.
科学领域:
- 生态生态学 生态生态学
- 微生物学 微生物学
- 植物科学 植物科学
背景情况:
- 侵入性植物物种通过减少生物多样性和改变功能,对生态系统产生负面影响.
- 种子内菌因其在植物发芽和早期发育中的作用而越来越被认可,可能有助于入侵.
- 了解与入侵植物和本地植物相关的内植物群落对于预测入侵动态至关重要.
研究的目的:
- 描述和比较侵袭性 Acacia spp. 的可培养的种子内植物. 和葡萄牙本土的 Fabaceae 品种.
- 研究息地 (沙丘和森林) 对种子微生物群落的影响.
- 评估与入侵植物和本地植物相关的内植物的多样性和功能特征.
主要方法:
- 隔离和培养来自侵袭性亚卡西亚和本地Fabaceae物种的种子内植物.
- 使用16S rRNA和ITS测序识别细菌和真菌内细胞.
- 使用FAPROTAX和FungalTraits预测微生物功能特征.
主要成果:
- 总共确定了150个分离物 (99种细菌,51种真菌).
- 种子微生物群落在沙丘和森林息地之间明显聚集,显示出环境依赖.
- 侵袭性的 Acacia spp. 这种植物. 与本地物种相比,它们拥有更丰富,更多样化的可培养微生物群,并获得共同的微生物伙伴.
结论:
- 侵入性 Acacia 种类表现出获得本地有益的种子内植物的能力,这可能会增强它们的入侵成功.
- 在息地之间,内生植物群落有所不同,在沙丘息地中,入侵物种和本地物种之间的相似性更大.
- 内植物的多样性功能特征,特别是促进新陈代谢和生长的功能特征,可能有助于Acacia spp.的入侵成功.
更多相关视频
12:05A Workflow for the Quantitative Assessment of the Endophytic and Epiphytic Bacterial Microbiomes of the Bark of Populus trichocarpa
Published on: June 27, 2025
1.1K
06:53Isolation, Characterization, and Total DNA Extraction to Identify Endophytic Fungi in Mycoheterotrophic Plants
Published on: May 5, 2023
3.9K
相关概念视频
Seed Structure and Early Development of the Sporophyte
30.8K
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.
30.8K
Epiphytes, Parasites, and Carnivores
16.5K
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
16.5K
Introduction to Seed Plants
67.8K
Most plants are seed plants—characterized by seeds, pollen, and reduced gametophytes. Seed plants include gymnosperms and angiosperms.
67.8K
Seedless Vascular Plants
66.6K
Seedless Vascular Plants Were the First Tall Plants on Earth
66.6K
