🧬 biology

Preserved social development but impaired executive function in a Shank3-deficient rat model of Phelan-McDermid syndrome

This study demonstrates that Shank3-deficient rats on a Long-Evans background exhibit preserved basic sensorimotor and social behaviors but display significant impairments in executive function, highlighting high-order cognitive dysfunction as a primary consequence of Shank3 loss.

Yogita Chudasama, Anna Pearson, Taylor Drazan, Sean Bradley, Audrey Thurm, Joseph Buxbaum, Jill L. Silverman2026-09-07
🧬 biology

Microstructure-Induced Variability in Residence Time Distributions of Fibrous Porous Media

This study utilizes computational fluid dynamics to demonstrate that the spatial arrangement of fibers in porous media, rather than volume fraction alone, is the primary determinant of residence time distribution variability, with ordered hexagonal structures promoting plug-flow behavior while clustered configurations induce significant dispersion and prolonged mean residence times.

E.G. Karvelas, A. Tsiantis, P. Chatzisaroglou, T.D. Papathanasiou2026-09-07
🧬 biology

Ethylene Response Factor OfERF16 Delays Postharvest Petal Senescence and Alters Floral Architecture in Osmanthus fragrans

This study demonstrates that the ethylene response factor OfERF16 delays postharvest petal senescence in *Osmanthus fragrans* by enhancing redox homeostasis and interacting with OfMYB306, while also altering floral architecture and being transcriptionally repressed by OfbHLH68.

Gongwei Chen, Zian Chen, Fengyuan Chen, Xuyang Qin, Hongyu Cai, Heng Gu, Yuanzheng Yue, Lianggui Wang, Xiulian Yang, Guo (…)2026-09-07
🧬 biology

Microcirculatory Bed and Liver Parenchyma of Piglets: Hierarchical Transformation After Birth

This study demonstrates that the hepatic microcirculatory bed and parenchyma of piglets undergo a hierarchical transformation over the first 20 days after birth, evolving from an immature, non-oriented prenatal state into a mature, radially organized lobular structure through the coexistence of transitional architectures and the elimination of provisional features.

Vladimir Lemeshchenko2026-09-07
🧬 biology

A Dual Targeted/Untargeted LC--MS/MS Protocol Uncovers Macroevolutionary and Ontogenetic Dynamics in Aristolochia Metabolomes

This study introduces a novel dual targeted/untargeted LC–MS/MS protocol to reveal that macroevolutionary conservation and ontogenetic optimization of aristolochic acid defenses in *Aristolochia* plants are driven by coevolutionary pressures from their specialist herbivore, the *Battus philenor* butterfly.

Michaela Butler, Kehinde Ologbonjaye, Ana Isabel Vitorino Maia, Fabrizio Donnarumma, Samridhi Chaturvedi2026-09-07
🧬 biology

Revisiting root morphological responses to arbuscular mycorrhizal fungal inoculation (AMF): a global meta-analysis

This global meta-analysis of 269 trials reveals that arbuscular mycorrhizal fungal inoculation generally promotes the expansion of root systems in non-woody plants by increasing surface area, length, and biomass, with these morphological responses being primarily driven by host plant family rather than fungal traits or environmental stress.

Sarkal Jyakhwa, Ivika Ostonen, Maarja Öpik2026-09-07
🧬 biology

Ontogenetic changes in body size are weakly associated with basal metabolic rate in a maternity colony of Myotis velifer

This study reveals that while body mass scales positively with basal metabolic rate in *Myotis velifer*, individual variation in metabolic rate is only weakly explained by body size, age, or reproductive status, suggesting that other intrinsic and ecological factors drive energy expenditure within maternity colonies.

Jafet Morales-Castillo, Erick David Acosta-Luzuriaga, Jorge Ayala-Berdon2026-09-07