Results 81 to 90 of about 9,779 (269)
Carpels are a distinctive feature of angiosperms, the ovule-bearing female reproductive organs that endow them with multiple selective advantages likely linked to the evolutionary success of flowering plants.
Africa Gomariz-Fernández +3 more
doaj +1 more source
We describe Stachytarpheta forzzae, a new species from an inselberg located in the municipality of Guaratinga, state of Bahia, within the Brazilian Atlantic forest. Morphologically, it resembles S. sprucei, the only other species of the genus known to inhabit inselbergs.
Pedro Henrique Cardoso +5 more
wiley +1 more source
Mutations in the PERIANTHIA gene of Arabidopsis specifically alter floral organ number and initiation pattern [PDF]
An open question in developmental biology is how groups of dividing cells can generate specific numbers of segments or organs. We describe the phenotypic effects of mutations in PERIANTHIA, a gene specifically required for floral organ patterning in ...
Meyerowitz, Elliot M., Running, Mark P.
core
Evolution and development of the spikelet and flower of Rhynchospora (Cyperaceae) [PDF]
Premise of research. Rhynchospora, one of the biggest genera of sedges, displays several spikelet and flower modifications and is one of a few genera where the pollination strategy changes from wind to insect pollination; however, the mechanisms that ...
Lucero, Leandro Exequiel +2 more
core +2 more sources
Holoendoparasites are extremely rare plants that live entirely hidden inside their hosts, with only flowers and fruits visible. We studied Apodanthes caseariae, found in central and South America, parasitizing Casearia sylvestris. Little is known about its life cycle.
Jessica A. Ramírez‐Ramírez +4 more
wiley +1 more source
LEUNIG regulates AGAMOUS expression in Arabidopsis flowers [PDF]
LEUNIG was identified in a genetic screen designed to isolate second-site enhancer mutations of the floral homeotic mutant apetala2-1. leunig mutations not only enhance apetala2, but by themselves cause a similar but less-pronounced homeotic ...
Liu, Zhongchi, Meyerowitz, Elliot M.
core
Evolution of the SPATULA/ALCATRAZ gene lineage and expression analyses in the basal eudicot, Bocconia frutescens L. (Papaveraceae) [PDF]
Background SPATULA (SPT) and ALCATRAZ (ALC) are recent paralogs that belong to the large bHLH transcription factor family. Orthologs of these genes have been found in all core eudicots, whereas pre-duplication genes, named paleoSPATULA/ALCATRAZ, have ...
Barbara Ann Ambrose +2 more
core +6 more sources
Read the free Plain Language Summary for this article on the Journal blog. Abstract Pollination is a key tenet of ecosystem sustainability and food security, but it is threatened by climate change. While many studies investigated the response of plant‐pollination traits to temperature, few attempted multifactorial and integrative approaches with ...
Mathieu A. J. Leclerc +2 more
wiley +1 more source
Direct ETTIN-auxin interaction controls chromatin states in gynoecium development
Hormonal signalling in animals often involves direct transcription factor-hormone interactions that modulate gene expression1, 2. In contrast, plant hormone signalling is most commonly based on de-repression via the degradation of transcriptional ...
André Kuhn +4 more
semanticscholar +1 more source
Genomic methylation patterns in pre-meiotic gynoecia of wild-type and RdDM mutants of Arabidopsis
IntroductionAlthough DNA methylation patterns are generally considered to be faithfully inherited in Arabidopsis thaliana (Arabidopsis), there is evidence of reprogramming during both male and female gametogenesis.
Quetzely Ortiz-Vasquez +8 more
doaj +1 more source

