Results 81 to 90 of about 18,547 (301)

Fenología reproductiva y anatomía floral de las plantas Aloe vera y Aloe saponaria (Aloaceae) en Cumaná, Venezuela

open access: yesRevista de Biología Tropical, 2008
Se analizó la fenología reproductiva y aspectos anatómicos florales en dos especies de Aloe conservadas en condiciones de vivero en el oriente de Venezuela, de septiembre 2001 a septiembre 2002. A. vera floreció de diciembre a mayo; A.
Róger Velásquez-Arenas   +1 more
doaj  

More than symbioses : orchid ecology ; with examples from the Sydney Region [PDF]

open access: yes, 2013
The Orchidaceae are one of the largest and most diverse families of flowering plants. Orchids grow as terrestrial, lithophytic, epiphytic or climbing herbs but most orchids native to the Sydney Region can be placed in one of two categories.
Entwisle, Timothy J.   +2 more
core  

Chemical engineering as an essential element of industrial biotechnology in Mexico: New aims in research and university education

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract On the centennial of higher education in Chemical Engineering in Mexico, it is pertinent to revisit the key stages that have contributed to its consolidation as a vital discipline for the nation's scientific and technological advancement. Although the initial mission of chemical engineering education was primarily oriented toward the training ...
Agustín López Munguía   +3 more
wiley   +1 more source

Nuclear Entanglement: New Insights Into the Role of Cytoskeleton and Nucleoskeleton in Plant Nuclear Function

open access: yesCytoskeleton, EarlyView.
ABSTRACT Of the three types of cytoskeleton known in animals—actin, microtubules, and intermediate filaments—only actin and microtubules exist in plants. Both play important roles in cellular shaping, organelle movement, organization of the endomembrane system, and cell signaling.
Norman R. Groves   +3 more
wiley   +1 more source

Flies and Flowers II: Floral Attractants and Rewards

open access: yesJournal of Pollination Ecology, 2014
This paper comprises Part II of a review of flower visitation and pollination by Diptera (myiophily or myophily). While Part I examined taxonomic diversity of anthophilous flies, here we consider the rewards and attractants used by flowers to procure ...
Thomas S. Woodcock   +4 more
doaj   +1 more source

Diverse pollination systems of the twin-spurred orchid genus Satyrium in African grasslands [PDF]

open access: yes, 2013
The large terrestrial orchid genus Satyrium underwent evolutionary radiations in the Cape floral region and the grasslands of southern and eastern Africa. These radiations were accompanied by tremendous diversification of the unusual twin-spurred flowers
Boberg, E   +5 more
core   +2 more sources

Engineering Lipid Nanoparticles for Precision RNA Delivery: Design Principles, Targeting Strategies, and Clinical Prospects

open access: yesCancer Nexus, EarlyView.
ABSTRACT Lipid nanoparticles (LNPs) represent the most clinically advanced platform for RNA delivery and have enabled major breakthroughs in vaccines and gene therapies. However, their broader application is still limited by inefficient extrahepatic delivery, immunogenicity, and insufficient control over tissue‐ and cell‐specific targeting. This review
Yu Han   +5 more
wiley   +1 more source

Sexual organs of Sarcotheca macrophylla Blume (Oxalidaceae), an endemic species of Borneo with two floral types confirmed as heterostyly

open access: yesJournal of Asia-Pacific Biodiversity
: Sarcotheca macrophylla Blume (Oxalidaceae), an endemic plant species to Borneo, consists of short-styled (S-morph) and long-styled (L-morph) flowers, referred to as heterostyly.
Esthi Liani Agustiani   +4 more
doaj   +1 more source

Hybrid Decay: A Transgenerational Epigenetic Decline in Vigor and Viability Triggered in Backcross Populations of Teosinte with Maize. [PDF]

open access: yes, 2019
In the course of generating populations of maize with teosinte chromosomal introgressions, an unusual sickly plant phenotype was noted in individuals from crosses with two teosinte accessions collected near Valle de Bravo, Mexico.
Albert, Patrice S   +15 more
core   +1 more source

Cytologic Findings in Esophageal Perforation: An Institutional Experience With Pleural Fluid Specimens

open access: yesDiagnostic Cytopathology, EarlyView.
ABSTRACT Introduction Esophageal perforation (EP) is a rare but life‐threatening condition, and most cases are due to iatrogenic causes. The rest occur spontaneously, due to malignancies, or trauma. The mortality rates can approach 50%, and delayed diagnosis of EP exacerbates patient outcomes.
Mason Marshall   +3 more
wiley   +1 more source

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