Fungal and fungal‐like diversity present in ornithogenically influenced maritime Antarctic soils assessed using metabarcoding
Wiley Online Library » Journal of Basic Microbiology
by Vívian Nicolau Gonçalves, Raphael Sânzio Pimenta, Fabyano A. C. Lopes, Karita C. R. Santos, Micheline C. Silva, Peter Convey, Paulo E. A. S. Câmara, Luiz H. Rosa
2d ago
Abstract We assessed soil fungal and fungal-like diversity using metabarcoding in ornithogenically influenced soils around nests of the bird species Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis adelie on the South Shetland Islands, maritime Antarctic. A total of 1,392,784 fungal DNA reads was obtained and assigned to 186 amplicon sequence variants (ASVs). The dominant fungal phylum was Ascomycota, followed by Basidiomycota, Chytridiomycota, Blastocladiomycota, Rozellomycota, Mortierellomycota, Monoblepharomycota, Aphelidiomycota, Basidiobolomycota, Muco ..read more
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Green titanium dioxide (TiO2) nanoparticles assisted biodegradation of anthracene employing Serratia quinivorans HP5
Wiley Online Library » Journal of Basic Microbiology
by Paramita Chakravarty, Hemen Deka, Devasish Chowdhury
4d ago
Abstract The anthracene biodegradation potential of Serratia quinivorans HP5 was studied under a controlled laboratory environment. The green TiO2 nanoparticles (NPs) synthesized from Paenibacillus sp. HD1PAH was used to accelerate the biodegradation process. The synergistic application of TiO2 NPs and S. quinivorans HP5 resulted in a reduction of anthracene concentration by 1.2 folds in liquid-medium and 1.5 folds in contaminated soil. Gas-chromatography and mass-spectrometric investigation showed the production of four anthracene derivatives, namely 1,2-anthracene dihydrodiol, 6,7-benzocouma ..read more
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COMPASS core subunits MpSet1 and MpSwd3 regulate Monascus pigments synthesis in Monascus purpureus
Wiley Online Library » Journal of Basic Microbiology
by Zhongling Wu, Hongyan Gao, Zhenmin Liu
1w ago
Abstract In eukaryotes, methylation of histone H3 at lysine 4 (H3K4me) catalyzed by the complex of proteins associated with Set1 (COMPASS) is crucial for the transcriptional regulation of genes and the development of organisms. In Monascus, the functions of COMPASS in establishing H3K4me remain unclear. This study first identified the conserved COMPASS core subunits MpSet1 and MpSwd3 in Monascus purpureus and confirmed their roles in establishing H3K4me2/3. Loss of MpSet1 and MpSwd3 resulted in slower growth and development and inhibited the formation of cleistothecia, ascospores, and conidia ..read more
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Codon usage bias of secretory protein in Fusarium oxysporum f. sp. cubense tropical race 4
Wiley Online Library » Journal of Basic Microbiology
by Hui Fang, Min Li, Shenxin Yu, Jiaman Sun, Zelin Qin
1w ago
Abstract Banana Fusarium oxysporum f. sp. cubense tropical race 4 (Foc-TR4) is a highly destructive pathogen that infects nearly all major banana cultivars and has a tendency to spread further. Secreted proteins play a crucial role in the process of Fusarium wilt infection in bananas. In this study, we analyzed the codon usage bias (CUB) of the Foc-TR4 classical secretory protein genome for the first time and observed a strong bias toward codons ending with C. We found that 572 out of the 14,543 amino acid sequences in the Foc-TR4 genome exhibited characteristics of classical secretory protein ..read more
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Screening biosurfactant‐producing actinomycetes: Identification of Streptomyces sp. RP1 as a potent species for bioremediation
Wiley Online Library » Journal of Basic Microbiology
by Adilah Ayoib, Subash C. B. Gopinath, Nor Syafirah Zambry, Ahmad Ramli Mohd Yahya
1w ago
Abstract This study aimed to isolate biosurfactant-producing and hydrocarbon-degrading actinomycetes from different soils using glycerol–asparagine and starch–casein media with an antifungal agent. The glycerol–asparagine agar exhibited the highest number of actinomycetes, with a white, low-opacity medium supporting pigment production and high growth. Biosurfactant analyses, such as drop collapse, oil displacement, emulsification, tributyrin agar test, and surface tension measurement, were conducted. Out of 25 positive isolates, seven could utilize both olive oil and black oil for biosurfactan ..read more
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Codon usage bias of human papillomavirus type 33 and 58: A comprehensive analysis
Wiley Online Library » Journal of Basic Microbiology
by Xiaochun Tan, Yucheng Xie, Chaoyue Jiang, Hui Li, Yu Lu, Weifeng Shen, Jing Chen
1w ago
Abstract Cervical cancer is closely linked to specific strains of human papillomavirus (HPV), notably HPV-33 and HPV-58, which exhibit a significant prevalence among women in China. Nevertheless, the codon usage bias in HPV-33 and HPV-58 is not well comprehended. The objective of this research is to analyze the codon usage patterns HPV-33 and HPV-58, pinpoint the primary factors that influence codon preference. The overall preference for codon usage in two HPV genotypes is not significant. Both HPV genotypes exhibit a preference for codons that end with A/U. The GC3 content for HPV-33 is 25.43 ..read more
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Cover: Journal of Basic Microbiology. 2/2024
Wiley Online Library » Journal of Basic Microbiology
by
1w ago
Cover illustration: The white-rot fungus Schizophyllum commune has been used to examine mating types starting a hundred years ago. (Photo: Friedrich-Schiller-University, Jena, Germany ..read more
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Issue Information: Journal of Basic Microbiology. 2/2024
Wiley Online Library » Journal of Basic Microbiology
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1w ago
Journal of Basic Microbiology, Volume 64, Issue 2, February 2024 ..read more
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Characterization of the Fusarium circinatum biofilm environmental response role
Wiley Online Library » Journal of Basic Microbiology
by Francinah M. Ratsoma, Nthabiseng Z. Mokoena, Quentin C. Santana, Brenda D. Wingfield, Emma T. Steenkamp, Thabiso E. Motaung
2w ago
Abstract The capacity to form biofilms is a common trait among many microorganisms present on Earth. In this study, we demonstrate for the first time that the fatal pine pitch canker agent, Fusarium circinatum, can lead a biofilm-like lifestyle with aggregated hyphal bundles wrapped in extracellular matrix (ECM). Our research shows F. circinatum's ability to adapt to environmental changes by assuming a biofilm-like lifestyle. This was demonstrated by varying metabolic activities exhibited by the biofilms in response to factors like temperature and pH. Further analysis revealed that while plank ..read more
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Study on the virulence of Metarhizium anisopliae against Spodoptera frugiperda (J. E. Smith, 1797)
Wiley Online Library » Journal of Basic Microbiology
by Vivekanandhan Perumal, Swathy Kannan, Lucy Alford, Sarayut Pittarate, Patcharin Krutmuang
3w ago
Abstract This study examined the impact of Metarhizium anisopliae (Hypocreales: Clavicipitaceae) conidia on the eggs, larvae, pupae, and adults of Spodoptera frugiperda. The results showed that eggs, larvae, pupae, and adults exhibited mortality rates that were dependent on the dose. An increased amount of conidia (1.5 × 109 conidia/mL) was found to be toxic to larvae, pupae, and adults after 9 days of treatment, resulting in a 100% mortality rate in eggs, 98% in larvae, 76% in pupae, and 85% in adults. A study using earthworms as bioindicators found that after 3 days of exposure, M. anisoplia ..read more
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