养殖幼沙鱼的生长表型之间的肠道微生物多样性和组成的差异,Holothuria scabra
Joselito A Tabardillo1, Marie Antonette Juinio-Meñez2, Adam M Reitzel3
1The Marine Science Institute, College of Science, University of the Philippines Diliman, Quezon City, Philippines. jtabardillo@msi.upd.edu.ph.
BMC microbiology
|January 11, 2025
概括
肠道细菌的组成显著影响了水产养殖中的沙鱼生长变性. 大型幼虫具有较低的肠道细菌多样性,与较小的微生物相比,它们具有不同的微生物群落和功能,这凸显了肠道微生物群对海黄养殖的重要性.
科学领域:
- 海洋生物学 海洋生物学
- 微生物学 微生物学
- 水产养殖科学 水产养殖科学
背景情况:
- 水产养殖生产受限于养殖物种的生长变化.
- 沙鱼 (Holothuria scabra) 的肠道微生物群及其与生长的关系仍未得到充分研究.
- 了解微生物群可以改善沙鱼生产策略.
研究的目的:
- 在大和小沙鱼幼虫中表征肠道和便微生物群的差异.
- 确定与生长变异相关的微生物种类和功能.
- 评估便样本作为肠道微生物群的替代品的适用性.
主要方法:
- 来自沙鱼幼的肠道和便样本的16S rRNA扩增序列测序.
- 对细菌多样性和大小组之间的组成进行分析.
- 预测微生物社区的功能.
主要成果:
- 大和小的沙鱼幼虫之间肠道微生物群多样性和组成的显著差异.
- 在肠道样本中Burkholderia-Caballeronia-Paraburkholderia (BCP) 的占主导地位;与每个大小组相关的不同的种类 (例如,小的Roseobacter类,大的Schlegelella/Bosea).
- 不同的预测生理功能和肠道和便微生物群之间的显著差异.
结论:
- 肠道细菌组成是沙鱼生长变化的关键因素.
- 肠道微生物群在不同大小组之间显著不同,影响宿主生理学.
- 便微生物群不是沙鱼肠道微生物群的可靠替代品.
更多相关视频
09:58Environmental Screening of Aeromonas hydrophila, Mycobacterium spp., and Pseudocapillaria tomentosa in Zebrafish Systems
Published on: December 8, 2017
9.8K
08:38Application of Flow Vermimetry for Quantification and Analysis of the Caenorhabditis elegans Gut Microbiome
Published on: March 31, 2023
700
相关概念视频
01:15Diversity of Protists I
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
01:27Diversity of Protists II
Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
01:27Diversity of Protists III
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
01:27Diversity of Protists IV
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
01:24Freshwater Microbial Ecology
Freshwater systems such as streams, rivers, and lakes exhibit distinct physical and biological characteristics that influence their microbial communities. These environments are broadly categorized into lotic systems—those with flowing waters like streams and most rivers—and lentic systems, which include still or slow-moving waters such as lakes, ponds, and marshes.In lentic systems, phytoplankton drive primary production, generating autochthonous organic carbon. In contrast, lotic systems...
01:30Development of Human Microbiota
The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...