🧬 biology

Development and Laboratory Evaluation of a Standardized Procedure for Environmental Sampling and Molecular Detection of Human Papillomavirus

This study evaluates six key factors affecting environmental HPV detection in a laboratory setting, concluding that dry polyester swabs combined with dedicated viral transport media offer the most practical approach for molecular recovery, while surface material and ambient temperature are the primary determinants of detectability.

Xiuzhi Duan, Meng Yang, Yiyi Xie, Xuchu Wang, Liqing Xu, Zhihua Tao2026-10-23
🧬 biology

Deriving and Transferring the SPEARpesticide Bioindicator to a New Region: an Ecotoxicity-Based, Indigenous-Fauna Sensitivity Index Field-Validated in the Seomjin River, South Korea

This study successfully adapted and field-validated a pesticide-specific bioindicator for South Korea's Seomjin River by integrating toxicity data from 20 indigenous species, demonstrating that controlling for organic pollution gradients reveals a robust correlation between the index and pesticide exposure that standard diversity metrics cannot detect.

Jong-Hyeon Lee, Jang-Yeon Park, Su-Hyun Kim, Seung-Been Heo2026-10-23
🧬 biology

Intratumor Heterogeneity Through the Lens of Gene Regulatory Networks

By analyzing scRNA-seq data across multiple cancer types and treatment cohorts, this study infers clone-specific gene regulatory networks to demonstrate that tumor clones exhibit distinct regulatory architectures linked to fitness, where treatment-induced remodeling drives structural divergence yet functional convergence, ultimately revealing conserved and variable regulons associated with patient survival.

Narein Rao, Nicolae Sapoval, Luay Nakhleh, Hamim Zafar2026-10-23
🧬 biology

Inflammatory stimuli promote lipid accumulation in myelin-phagocytosing macrophages: effects of LXR, PPARγ and RXR agonists

This study demonstrates that inflammatory stimuli impair myelin clearance by promoting lipid accumulation in macrophages, a process that can be mitigated by agonists of the nuclear receptors LXR, PPARγ, and RXR, suggesting these receptors as potential therapeutic targets for CNS injuries involving lipid debris.

Lorenzo Romero-Ramírez, Natalia Díaz-Rubio, Alejandro Arriero-Cabañero, Jörg Mey2026-10-23
🧬 biology

Functional analysis of mango MiFCA2 gene involved in the regulation of flowering and stress response in Arabidopsis

This study characterizes two mango FCA2 genes (MiFCA2-SJ and MiFCA2-JH), demonstrating their nuclear localization, interaction with stress-related proteins, and distinct roles in promoting early flowering under temperature stress and modulating responses to drought and salt via the ABA signaling pathway.

Siyuan He, Yanshu Meng, Mingyang Shu, Zhixi He, Xiao Mo, Shuquan Chen, Wenjing Mo, Yuexing Zhang, Cong Luo, Xinhua He2026-10-23
🧬 biology

The necessity of data-driven optimization of the number of principal components in scRNA-seq analysis - examples on real and simulated data

This study demonstrates that while fixed defaults for the number of principal components often work, data-driven optimization is essential for scRNA-seq analysis due to variable optimal ranges across diverse datasets, and it provides practical recommendations for selecting these methods based on a comprehensive evaluation of real and simulated data.

Manja Grønberg, Alisa Pavel, Line Clemmensen2026-10-23
🧬 biology

The reassembly of plant-pollinator interactions along tropical forest succession

While pollinator abundance and network structure remain resilient and facilitate pollen flow across agricultural landscapes during tropical forest recovery, the full restoration of specialized plant-pollinator interactions and old-growth network complexity is significantly delayed, taking decades to reassemble.

Ugo Diniz, Alexander Keller, Gunnar Brehm, Claus Rasmussen, Katharina Veltman, Santiago Erazo, Santiago Burneo, Marco Ts (…)2026-10-23