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The Indo-Burma biodiversity hotspot for ferns: Updated phylogeny, hidden diversity, and biogeography of the java fern genus (Polypodiaceae).
Plant Divers
November 2024
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization and Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, P.O. Box 416, Chengdu, Sichuan 610041, China.
The Indo-Burma Biodiversity Hotspot is renowned for its rich biodiversity, including that of vascular plants. However, the fern diversity and its endemism in this hotspot have not been well understood and so far, the diversity of very few groups of ferns in this region has been explored using combined molecular and morphological approaches. Here, we updated the plastid phylogeny of the Java fern genus with 226 (115% increase of the latest sampling) samples across the distribution range, specifically those of three phylogenetically significant species, , .
View Article and Find Full Text PDFParasitic plants are a diverse and unique polyphyletic assemblage of flowering plants that survive by obtaining resources via direct vascular connections to a host plant. Ecologically important in their native ecosystems, these typically cryptic plants remain understudied and fundamental knowledge of the biology, ecology, and evolution of most species is lacking. This gap limits our understanding of ecosystems and conservation management.
View Article and Find Full Text PDFEvaluation of V-type titanium cable internal fixation for the treatment of young adult fifth lumbar spondylolysis: technical notes and a retrospective clinical study.
J Orthop Surg Res
November 2024
Department of Spine Surgery, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, China.
Article Synopsis
- The study explores a new V-shaped titanium cable and pedicle screw fixation system for treating lumbar spondylolysis in young adults, addressing limitations of existing strategies.* -
- Twenty-one patients were treated at a military hospital, and various metrics like surgery duration and blood loss were recorded, along with long-term recovery assessments using different evaluation scales.* -
- After one year, all patients completed follow-ups, with one experiencing minor complications, and results indicated significant improvements in pain and function post-surgery.*
Etiology of Pine Ghost Canker in Southern California Urban Forests.
Plant Dis
November 2024
University of California Davis, Plant Pathology, One Shields Ave., Davis, Davis, California, United States, 95616-5270;
Pine ghost canker is a recently described disease affecting multiple pine species in urban forests of Southern California. Symptoms include wedged cankers with irregular margins and cryptic discoloration on cross-sections of branches, which can lead to severe dieback and potentially tree death. In this study, we identified and characterized five species (, , , , and ) as the primary etiological agents of pine ghost canker.
View Article and Find Full Text PDFParasitic plants show striking convergence in host preference across angiosperm lineages.
Ann Bot
October 2024
Department of Biology, University of Oxford, Oxford, OX1 3RB, UK.
Article Synopsis
- The study investigates the host specificity of parasitic plants, highlighting how their relationships with host plants can influence their evolution and distribution.
- Analysis of host preference data shows that certain plant families, like Asteraceae, have a significantly higher infection rate by parasites compared to others, indicating a potential ecological pattern in host selection.
- The findings reveal variability in host specificity among closely related parasite species and suggest that evolutionary pathways may favor eudicots over monocots, pointing to the need for further understanding of host-parasite dynamics in plant taxonomy.
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