来自南极海洋沉积物的真菌:对织染料脱色和排毒的表征和评估
Thaís Tiemi Yoshinaga1, Patrícia Giovanella1,2, Gabriele Santana de Farias1
1Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Universidade Estadual Paulista (UNESP), 24A, 1515, Rio Claro, CEP 13506-900, SP, Brazil.
概括
南极真菌,包括Penicillium和Pseudogymnoascus属,在脱色和排毒织染料红色卡明 (IC) 方面表现有前途. 这些适应寒冷的微生物为染料降解中的环境生物技术应用提供了潜在的解决方案.
科学领域:
- 环境生物技术 环境生物技术
- 微生物生态学 微生物生态学
- 生物修复是一种生物修复.
背景情况:
- 适应寒冷的微生物产生低温活跃的酶,对环境应用有价值.
- 织品染料,如红色卡明 (IC),由于其持久性和毒性,造成了环境挑战.
研究的目的:
- 描述南极真菌,确定它们的属,并确定生长温度.
- 评估南极真菌的能力,单独和联盟,去色和排毒印花 (IC).
主要方法:
- 使用ITS rDNA测序进行真菌鉴定.
- 对20种南极真菌分离物进行选,以检测印花 (IC) 脱色和排毒.
- 对真菌群体的评估,包括海洋衍生的南极菌体和菌体,对染料降解效率的评估.
主要成果:
- 隔离物属于七个ascomycete属:阿斯伯吉卢斯,Cosmospora,Leuconeurospora,Penicillium,Pseudogymnoascus,Thelebolus,和Trichoderma. 它们可以分为四种类型.
- 子菌分离物达到60-82%的IC脱色;伪菌分离物显示49-74%的排毒.
- 联盟显示了不同的脱色率,增强的真菌生物质表明着染料代谢.
结论:
- 海洋衍生的南极真菌具有重要的生物降解和脱毒织染料的显著潜力,如蓝色卡明.
- 需要进一步的研究,以阐明涉及这些心理和心理耐受性真菌染料降解的特定代谢途径.
更多相关视频
09:49Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation
Published on: October 31, 2019
22.3K
08:21Isolation and Screening from Soil Biodiversity for Fungi Involved in the Degradation of Recalcitrant Materials
Published on: May 16, 2022
4.7K
相关概念视频
01:13Special Staining Techniques
Specialized staining techniques play a vital role in microbiology by enabling the visualization of specific bacterial structures that remain undetectable with standard microscopy methods. These techniques not only enhance the structural visualization of bacterial cells but also provide critical insights into their pathogenicity and classification. Additionally, they support diagnostic and research endeavors in microbiology by identifying key bacterial features.Capsule Staining for Virulence...
01:25Microbial Mats
Microbial communities forming biofilms and mats represent complex, spatially structured ecosystems where metabolic processes are stratified according to light, oxygen, and nutrient gradients. Biofilms are initial colonization stages, only a few millimeters thick, while mature microbial mats can reach centimeter-scale thickness and display intricate vertical organization. Their structural and functional heterogeneity allows microorganisms to occupy distinct ecological niches within a few...
01:28Microbial Bioremediation of Pesticides
Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
01:28Biodeterioration
Biodeterioration refers to the unwanted alteration of materials caused by microorganisms—especially fungi—which damage both organic substrates (paper, wood, textiles) and inorganic ones (stone, plaster, glass). Unlike abiotic decay, biodeterioration results from biological activity that produces physical disruption and chemical degradation.Physical deterioration occurs as fungal hyphae penetrate pores, cracks, and surface irregularities. Hyphal turgor pressure, thigmotropic growth along...