的身份决定了菌种子的丰富性和组成
Tiago V Fernandes1,2,3, Otavio L Fernandes4, Inácio J M T Gomes2,3
1Programa de Pós-Graduação em Biologia Animal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil.
PloS one
|March 7, 2024
概括
由 (myrmecochory) 传播的种子会根据物种对种子相关的真菌产生不同的影响. 一些增加了真菌负荷,影响了种子的命运和分散效率.
科学领域:
- 生态生态学 生态生态学
- 菌类学 菌类学是指菌类学.
- 同生相互作用的交互.
背景情况:
- 菌,的种子散布,是植物的相互相互作用,结果是可变的.
- 微生物群落,特别是真菌在调解这些结果中的作用尚未完全理解.
- 种类对种子发芽具有截然不同的影响,并具有不同的抗微生物清洁策略.
研究的目的:
- 调查两种种类 (Atta sexdens和Acromyrmex subterraneus) 操纵种子对相关的真菌群落的影响.
- 测试假设,真菌丰富度在被A. subterraneus操纵的种子中更高,并且真菌组成在操纵治疗中不同.
主要方法:
- 在三个种子组中确定了真菌形态型:被A. sexdens操纵,被Ac.操纵. 地下,并且没有被操纵.
- 对每个组进行了种子发芽和真菌丰富性的评估.
主要成果:
- 经过Acromyrmex subterraneus操纵的种子显示出明显更高的真菌丰富度,与那些被Atta sexdens和未经操纵的种子操纵的种子相比.
- 与未经处理的种子相比,atta sexdens并没有显著降低真菌丰富度.
- 在所有三种种子处理方法 (A. sexdens,Ac. 地下,和未经操纵的).
结论:
- 物种的身份在塑造与菌种子相关的真菌群落中起着至关重要的作用.
- 在真菌群落中观察到的差异表明,作为种子分散者的有效性可能受到它们对微生物负载的影响.
- 考虑操纵策略对于评估种子分散器质量很重要,因为微生物感染可能对种子命运产生影响.
相关概念视频
02:11The Roles of Bacteria and Fungi in Plant Nutrition
35.3K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
35.3K
02:33Seed Structure and Early Development of the Sporophyte
28.2K
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.
28.2K
00:58Symbiosis
27.9K
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
27.9K
01:21Frequency-dependent Selection
22.0K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
22.0K
03:24Seedless Vascular Plants
60.4K
Seedless Vascular Plants Were the First Tall Plants on Earth
60.4K
02:40Pollination and Flower Structure
64.7K
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
64.7K