Results 41 to 50 of about 20,582 (262)

Seed macro- and micro- morphology in Allium (Amaryllidaceae) and its phylogenetic significance.

Annals of Botany, 2022
BACKGROUND AND AIMS Macro- and micro-morphology of seeds are diagnostic characteristics of importance in delimiting taxa in Allium (Amaryllidaceae). However, there is no consensus on phylogenetic significance of testa cell characteristics and whether ...
Ziyoviddin Yusupov, I. Ergashov, S. Volis, Dilmurod Makhmudjanov, D. Dekhkonov, F. Khassanov, K. Tojibaev, Tao Deng, Hang Sun   +8 more
semanticscholar   +1 more source

Amaryllidaceae-Type Alkaloids from Pancratium maritimum: Apoptosis-Inducing Effect and Cell Cycle Arrest on Triple-Negative Breast Cancer Cells

Molecules, 2022
Aiming to find Amaryllidaceae alkaloids against breast cancer, including the highly aggressive triple-negative breast cancer, the phytochemical study of Pancratium maritimum was carried out. Several Amaryllidaceae-type alkaloids, bearing scaffolds of the
Shirley A R Sancha, A. V. Gomes, Joana B Loureiro, L. Saraíva, Maria-José U. Ferreira   +4 more
semanticscholar   +1 more source

Testing robustness of relative complexity measure method constructing robust phylogenetic trees for Galanthus L. Using the relative complexity measure [PDF]

, 2013
Background: Most phylogeny analysis methods based on molecular sequences use multiple alignment where the quality of the alignment, which is dependent on the alignment parameters, determines the accuracy of the resulting trees.
Bakis, Yasin, Bakış, Yasin, Bilgin, Nese, Bilgin, Neşe, Meydan, Cem, Otu, Hasan H., Sezerman, Ugur, Sezerman, Uğur, Tasci, Nivart, Taşçı, Nivart, Yuzbasioglu, Sirri, Yüzbaşıoğlu, Sırrı   +11 more
core   +2 more sources

Chemical Synthesis and Biological Activities of Amaryllidaceae Alkaloid Norbelladine Derivatives and Precursors

Molecules, 2022
Amaryllidaceae alkaloids (AAs) are a structurally diverse family of alkaloids recognized for their many therapeutic properties, such as antiviral, anti-cholinesterase, and anticancer properties.
Marie-Pier Girard, Vahid Karimzadegan, Marianne Héneault, F. Cloutier, G. Bérubé, L. Berthoux, Natacha Mérindol, I. Desgagné-Penix   +7 more
semanticscholar   +1 more source

The Biological Activity of Alkaloids from the Amaryllidaceae: From Cholinesterases Inhibition to Anticancer Activity

Natural Product Communications, 2016
Modern research has shown that Amaryllidaceae alkaloids represent a rich reservoir of potential small chemical molecules exhibiting several medicinal properties through various mechanisms.
Klára Habartová, Lucie Cahlíková, Martina Řezáčová, Radim Havelek   +3 more
doaj   +1 more source

Anti-Trypanosoma cruzi activity of alkaloids isolated from Habranthus brachyandrus (Amaryllidaceae) from Argentina.

Phytomedicine, 2022
BACKGROUND Chagas disease, caused by the parasite Trypanosoma cruzi, affects over six million people worldwide, mainly in Latin American countries. Currently available drugs have variable efficacy in the chronic phase and significant side effects, so ...
Nieves Martinez-Peinado, Javier E. Ortiz, Nuria Cortes-Serra, M. Pinazo, J. Gascón, A. Tapia, G. Roitman, J. Bastida, G. Feresin, Julio Alonso-Padilla   +9 more
semanticscholar   +1 more source

Narcissus × caramulensis (Amaryllidaceae), a new hybrid for the portuguese flora

Anales del Jardín Botánico de Madrid, 2007
We describe Narcissus × caramulensis P. Ribeiro, Paiva & Freitas, a new natural hybrid of Narcissus cyclamineus DC. and N. bulbocodium L. subsp. bulbocodium, collected in the Caramulo Mountains (Beira Alta, Central Portugal), is described.
Pedro Ribeiro, Jorge Paiva, Helena Freitas   +2 more
doaj   +1 more source

Chemoenzymatic Synthesis of Triazololactams Structurally Related to Pancratistatin [PDF]

, 2017
Four tricyclic lactams that structurally resemble alkaloids with the pancratistatin skeleton were synthetized from bromobenzene by a chemoenzymatic strategy.
Bastida, Bellomo, Bellomo, Bellomo, Bellomo, Bellomo, Brovetto, Brovetto, Cao, Carless, Carrau, Carrera, Carrera, Chrétien, Desjardins, Ghavre, Gibson, Gibson, Goietsenoven, Griffen, Griffin, He, Hudlicky, Hudlicky, Hudlicky, Hudlicky, Kolb, Kornienko, la Sovera, la Sovera, la Sovera, Labora, Lamoral-Theys, Ma, Ma, Ma, McNulty, Plietker, Rinner, Staudinger, Thevenet, Tian, Vila, Vshyvenko, Vshyvenko, Vshyvenko, Vshyvenko, Wu, Yadav   +48 more
core   +1 more source

What is Allium achaium Boiss. & Orph.? Disentangling the taxonomy of a Greek mountain species [PDF]

, 2019
Allium oreohellenicum Tzanoud., Tsakiri & Raus (Amaryllidaceae), endemic of the Greek mountains, is described and illustrated as a species new to science.
Raus, Thomas, Tsakiri, Maria, Tzanoudakis, Dimitris   +2 more
core   +1 more source

Amaryllidaceae

Bothalia, 2001
A NEW SPECIES OF CYRTANTHUS (CYRTANTHEAE) FROM THE SOUTHERN CAPE, SOUTH ...
  +5 more sources