Results 31 to 40 of about 4,414 (154)

Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP: pteridophyta: 13. Lycopodiaceae e 20. Selaginellaceae

open access: yesHoehnea
Neste trabalho são apresentados os dados referentes ao levantamento florístico das famílias Lycopodiaceae e Selaginellaceae no Parque Estadual das Fontes do Ipiranga (PEFI). Lycopodiaceae está representada na área por três gêneros (Huperzia, Lycopodiella
Jefferson Prado, Regina Yoshie Hirai
doaj   +1 more source

Lycopodiaceae in Brazil. Conspectus of the family III. The genera Huperzia and Phlegmariurus

open access: yesRodriguésia, 2019
The subfamily Huperzioideae of the Lycopodiaceae includes 41 species in Brazil. The genus Huperzia is represented by a single species, and Phlegmariurus has 40 species.
Benjamin Øllgaard, Paulo G. Windisch
doaj   +1 more source

A Novel Way for Propagation of Huperzia squarrosa (G. Forst.) Trev.

open access: yesNotulae Scientia Biologicae, 2012
Huperzia squarrosa (G. Forst.) Trev. is an endangered epiphytic fern ally with economical, traditional and horticultural interest. It posses various alkaloids like huperzine, huperzinine, lycoporine and carina-tumine which are responsible for its ...
Sanatombi Devi YUMKHAM   +1 more
doaj   +3 more sources

The Lycophytes of the Caxiuanã National Forest, Pará State, Brazil: Lycopodiaceae and Selaginellaceae [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2009
This work is part of a series of studies accomplishing the lycophytes and monilophytes from Caxiuanã National Forest, which encloses ca. 200,000 ha of terra firme forest, periodically flooded forests (várzea and igapó forest), savannoid vegetation and ...
Marcio Roberto Pietrobom   +5 more
doaj  

Study of the interaction of Huperzia saururus Lycopodium alkaloids with the Acetylcholinesterase enzyme [PDF]

open access: yes, 2013
In the present study, we describe and compare the binding modes of three Lycopodium alkaloids (sauroine, 6-hydroxylycopodine and sauroxine; isolated from Huperzia saururus) and huperzine A with the enzyme acetylcholinesterase. Refinement and rescoring of
Agnese, Mariel   +6 more
core   +1 more source

Exploring Linalool‐Based Phytotherapy for Excitatory/Inhibitory Imbalance in Alzheimer's Disease: A Review of Lavender and Cannabis Therapeutic Effects on Sleep, Seizures, and Cognition

open access: yesPhytotherapy Research, EarlyView.
Schematic overview of the proposed neuromodulatory actions of linalool in Alzheimer's disease. Through multi‐target effects on oxidative stress, amyloid aggregation, GABAergic and glutamatergic signaling, linalool may restore excitatory/inhibitory balance.
Ilaria Piccialli   +4 more
wiley   +1 more source

Epidermal studies in medicinal ferns and lycophytes from Córdoba Province, Argentina [PDF]

open access: yes, 2011
(Estudios epidérmicos en helechos y licófitas medicinales de Provincia de Córdoba, Argentina). Se realiza un análisis epidérmico de los órganos vegetativos y reproductivos de 28 helechos y licófitas medicinales, que crecen en Córdoba (Argentina).
Barboza, Gloria Estela   +2 more
core   +2 more sources

Neuronutraceuticals for Alzheimer's Disease Treatment: A Systematic Review of Randomised Controlled Trials Over the Last 20 Years

open access: yesPhytochemicals in Food and Medicine, Volume 1, Issue 1, March 2026.
This PROSPERO‐registered review analysed 37 RCTs on neuronutraceuticals for Alzheimer's disease. Despite diverse targets—amyloid/tau, inflammation, oxidative stress, metabolism, synaptic plasticity, cholinergic and hormonal—the evidence was of low quality. RoB2 flagged attrition (86.5%) and reporting bias (81%). Current data do not support clinical use;
Mehmet Akif Topcuoglu, Esen Saka
wiley   +1 more source

Nomenclatural changes in Brazilian Lycopodiaceae

open access: yesRodriguésia
This paper presents new nomenclatural combinations in Brazilian Lycopodiaceae, necessary for an upcoming conspectus of the family: there are 39 new combinations in the genus Phlegmariurus, and one in Pseudolycopodiella.
Benjamin Øllgaard
doaj   +1 more source

Lack of conservation of bacterial type promoters in plastids of Streptophyta [PDF]

open access: yes, 2010
We demonstrate the scarcity of conserved bacterial-type promoters in plastids of Streptophyta and report widely conserved promoters only for genes psaA, psbA, psbB, psbE, rbcL.
Vassily A Lyubetsky   +2 more
core   +2 more sources

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