Results 31 to 40 of about 2,240 (189)

Characterization of the complete chloroplast genome of an important medicinal plant, Sinomenium acutum (Menispermaceae, Ranunculales)

open access: yesMitochondrial DNA. Part B. Resources, 2020
Sinomenium acutum is a woody vine of great virtue in traditional Chinese medicine and, nowadays, a potent anticancer drug against several types of cancers.
Faiza Hina   +3 more
doaj   +1 more source

Elucidation of the (R)-enantiospecific benzylisoquinoline alkaloid biosynthetic pathways in sacred lotus (Nelumbo nucifera)

open access: yesScientific Reports, 2023
Benzylisoquinoline alkaloids (BIAs) are a structurally diverse group of plant specialized metabolites found mainly in members of the order Ranunculales, including opium poppy (Papaver somniferum), for which BIA biosynthetic pathways leading to the ...
Ivette M. Menéndez-Perdomo   +1 more
doaj   +1 more source

Convergence and parallelism in the evolution of plant metabolism. [PDF]

open access: yesJ Integr Plant Biol
Similar traits in different organisms may originate from shared ancestry or evolve independently. The terminology used to define phenotypic similarity is often confusing. This review attempts to clarify the definitions and present examples from plant domestication and specialized metabolism to explain how complex traits evolve repeatedly in plants ...
Scossa F   +4 more
europepmc   +2 more sources

Spermatophyta Molecular Clock: Time Drift and Recent Acceleration. [PDF]

open access: yesPlant Environ Interact
Exponential increase in the base substitution rate in recent geologic time. ABSTRACT Angiospermae radiation is widely recognized as a mid‐Cretaceous event, but the adaptive radiation of Asarum and Viola as spring ephemerals also occurred during the Quaternary. To better understand the evolution of Angiospermae through geological time, a robust and well‐
Osozawa S.
europepmc   +2 more sources

One Size Fits All? Molecular Evidence for a Commonly Inherited Petal Identity Program in Ranunculales [PDF]

open access: yes, 2012
Petaloid organs are a major component of the floral diversity observed across nearly all major clades of angiosperms. The variable morphology and development of these organs has led to the hypothesis that they are not homologous but, rather, have evolved
Kramer, Elena M.   +2 more
core   +1 more source

Phylogeography of a Tertiary relict plant, Meconopsis cambrica (Papaveraceae), implies the existence of northern refugia for a temperate herb [PDF]

open access: yes, 2011
The perennial herb Meconopsis cambrica, a western European endemic, is the only European species of the otherwise Himalayan genus Meconopsis and has been interpreted as a Tertiary relict species.
Kadereit, Joachim W.   +2 more
core   +3 more sources

Early eudicot reproductive structure: Fruit and flower morphology of Ranunculaecarpus Samyl. from the Early Cretaceous of eastern Siberia

open access: yesActa Palaeobotanica, 2018
Floral and fruit morphology of the early eudicot Ranunculaecarpus quinquecarpellatus Samyl. is described based on details from sectioning and microscopy of the permineralized type material from the Albian Buor-Kemyus Formation of the Zyryanka coal basin.
STEVEN R. MANCHESTER   +3 more
doaj   +1 more source

Paisia, an Early Cretaceous eudicot angiosperm flower with pantoporate pollen from Portugal [PDF]

open access: yes, 2018
A new fossil angiosperm, Paisia pantoporata, is described from the Early Cretaceous Catefica mesofossil flora, Portugal, based on coalified floral buds, flowers and isolated floral structures.
Argue CL   +20 more
core   +1 more source

A Global Analysis of Alternative Splicing of Dichocarpum Medicinal Plants, Ranunculales

open access: yesCurrent Genomics, 2022
Background: The multiple isoforms are often generated from a single gene via alternative splicing (AS) in plants, and the functional diversity of plant genome is significantly increased. Despite well studied gene functions, the specific functions of isoforms are little known, therefore the accurate prediction of isoform functions is exceedingly wanted.
Tao Jiang   +3 more
openaire   +4 more sources

Plant–Insect Interactions on Aquatic and Terrestrial Angiosperms from the Latest Albian (Early Cretaceous) of Estercuel (Northeastern Spain) and Their Paleoenvironmental Implications

open access: yesPlants, 2023
Fossils of plant–insect interactions are direct evidence of paleoecological relationships between these two dominant groups in terrestrial ecosystems. We present a variety of plant–insect interactions from the late Early Cretaceous (latest Albian) in the
Artai A. Santos   +3 more
doaj   +1 more source

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