Stochastic Processes Drive the Assembly of Planktonic Ciliates in A Trellised River Network DOI
Chang Chu, Lei Zhao, Lele Chen

и другие.

Journal of Eukaryotic Microbiology, Год журнала: 2025, Номер 72(3)

Опубликована: Май 1, 2025

ABSTRACT The topology and connectivity of rivers can be modified by the water project operation for agriculture civilization, as exemplified trellised river system in Chongming Island. Ciliates, an exceptional indicator, are often employed monitoring health aquatic ecosystems. However, assembly structure planktonic microeukaryote (e.g., ciliates) communities, especially complex networks, rarely investigated. Here, we investigated ciliate community mechanism among seasons Island's network using both metabarcoding quantitative protargol stain (QPS) approaches. Both methods showed that ciliates exhibited similar composition at class level distinct seasonal succession, which attributed to variations nutrients, dissolved oxygen temperature. stochastic process was main factor explaining all seasons, is probably high frequent opening sluices operation. Collectively, unique structure, variation, specific driven hydrology were reported this study. Furthermore, methodological differences also should fully considered when conducting ecological study hydrographic waters.

Язык: Английский

Genome-wide identification of novel flagellar motility genes in Pseudomonas syringae pv. tomato DC3000 DOI Creative Commons
Zichu Yang, Tyler C. Helmann, Maël Baudin

и другие.

Frontiers in Microbiology, Год журнала: 2025, Номер 16

Опубликована: Янв. 28, 2025

Pseudomonas syringae pv. tomato DC3000 ( Pst DC3000) is a plant pathogenic bacterium that possesses complicated motility regulation pathways including typical chemotaxis system. A significant portion of our understanding about the genes functioning in based on comparison to other bacteria. This leaves uncertainty whether gene functions are conserved, especially since specific regulatory modules can have opposite sets . In this study, we used competitive selection enrich for mutants with altered swimming and random barcode transposon-site sequencing (RB-TnSeq) identify roles motility. Besides many known or predicted genes, method identified PSPTO_0406 dipA ), PSPTO_1042 chrR ) PSPTO_4229 (hypothetical protein) as novel regulators. homolog , cyclic di-GMP degrading enzyme P. aeruginosa part an extracytoplasmic sensing system controls expression response reactive oxygen species, suggesting may function mechanism enables alter when encountering oxidative stressors. encodes protein containing HD-related output domain (HDOD), but no previously functions. We found deletion overexpression both reduce motility, its sensitive level. phenotype screen nonsense missense longer pair conserved arginine residues necessary suppression. Together these results provide global perspective structural controlling flagellar DC3000.

Язык: Английский

Процитировано

0

Estimated Timeline for the Evolution of Symbiotic Nitrogen Fixing Paraburkholderia DOI

Lazarus Mavima,

Emma T. Steenkamp,

Chrizelle W. Beukes

и другие.

Опубликована: Янв. 1, 2025

Язык: Английский

Процитировано

0

Unlocking the Interactions Between the Whole-Body Microbiome and HPV Infection: A Literature Review DOI Creative Commons
Myrto Papamentzelopoulou, Vassiliki Pitiriga

Pathogens, Год журнала: 2025, Номер 14(3), С. 293 - 293

Опубликована: Март 18, 2025

The human microbiome plays a vital role in maintaining homeostasis, acting as key regulator of host immunity and defense mechanisms. However, dysbiotic microbial communities may cause disruption the symbiotic relationship between local microbiota, leading to pathogenesis various diseases, including viral infections cancers. One most common infectious agents causing cancer is papilloma virus (HPV), which accounts for more than 90% cervical In cases, immune system activated clears HPV, whereas some infection persists can lead precancerous lesions. Over last two decades, advent next-generation sequencing (NGS) technology bioinformatics has allowed thorough in-depth analysis composition anatomical niches, allowing researchers unveil interactions underlying mechanisms through microbiota could affect HPV establishment, persistence, progression. Accordingly, present narrative review aims shed light on our understanding context its progression, mainly cancer. Furthermore, we explore by balance exert potential pathogenic or protective effects, either persistence disease outcomes clearance. Special interest given how modulate infection. Lastly, summarize latest findings therapeutic efficacy probiotics prebiotics preventing and/or treating vaginal transplantation while highlighting significance personalized medicine approaches emerging from NGS-based profiling artificial intelligence (AI) optimal management HPV-related diseases.

Язык: Английский

Процитировано

0

Niche vs habitat: Insights of aging microplastics and wetland types on bacterial community assembly DOI
Yansong Shi,

Longrui Liang,

Meng Liang

и другие.

Journal of Environmental Sciences, Год журнала: 2025, Номер unknown

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0

Stochastic Processes Drive the Assembly of Planktonic Ciliates in A Trellised River Network DOI
Chang Chu, Lei Zhao, Lele Chen

и другие.

Journal of Eukaryotic Microbiology, Год журнала: 2025, Номер 72(3)

Опубликована: Май 1, 2025

ABSTRACT The topology and connectivity of rivers can be modified by the water project operation for agriculture civilization, as exemplified trellised river system in Chongming Island. Ciliates, an exceptional indicator, are often employed monitoring health aquatic ecosystems. However, assembly structure planktonic microeukaryote (e.g., ciliates) communities, especially complex networks, rarely investigated. Here, we investigated ciliate community mechanism among seasons Island's network using both metabarcoding quantitative protargol stain (QPS) approaches. Both methods showed that ciliates exhibited similar composition at class level distinct seasonal succession, which attributed to variations nutrients, dissolved oxygen temperature. stochastic process was main factor explaining all seasons, is probably high frequent opening sluices operation. Collectively, unique structure, variation, specific driven hydrology were reported this study. Furthermore, methodological differences also should fully considered when conducting ecological study hydrographic waters.

Язык: Английский

Процитировано

0