Results 81 to 90 of about 15,393,385 (190)

Sub-functionalization to ovule development following duplication of a floral organ identity gene

open access: yesDevelopmental Biology, 2015
Gene duplications result in paralogs that may be maintained due to the gain of novel functions (neo-functionalization) or the partitioning of ancestral function (sub-functionalization). Plant genomes are especially prone to duplication; paralogs are particularly widespread in the floral MADS box transcription factors that control organ identity through
Galimba, Kelsey D.   +1 more
openaire   +2 more sources

Molecular and environmental regulation of floral development, flowering, and sex differentiation in angiosperms

open access: yesDiscover Plants
Floral organ development and sex differentiation are key processes controlling plant reproduction and yield in angiosperms. The ABCDE model explains floral organ identity through the combinatorial action of MADS-box transcription factors; however ...
Sabir Iqbal   +10 more
doaj   +1 more source

The Function of RcAG2 and RcFUL in the Flower Shape Change of Rosa chinensis ‘Viridiflora’

open access: yesPlants
The floral morphology of Rosa chinensis significantly influences its ornamental value. However, the molecular mechanisms underlying specific floral types remain poorly understood. Viridiflora, a stable genetic variant of R.
Jinfeng Zhang   +8 more
doaj   +1 more source

The early inflorescence of Arabidopsis thaliana demonstrates positional effects in floral organ growth and meristem patterning [PDF]

open access: yes, 2017
Most flowering plants, including the genetic model Arabidopsis thaliana, produce multiple flowers in sequence from a reproductive shoot apex to form a flower spike (inflorescence). The development of individual flowers on an Arabidopsis inflorescence has
Phillips, A. L.   +18 more
core   +3 more sources

Early Development of Floral Organs and Embryonic Structures of Scrophularia marylandica

open access: yesBotanical Gazette, 1919
1. The order of the development of the floral parts of Scrophularia marylandica is calyx, stamens, corolla, and pistil. The stamens and the corolla arise from a common outgrowth. 2. The archesporium of the megaspore consists of a single hypodermal cell, which functions as a megaspore mother cell. 3. The megaspore mother cell by two successive divisions
openaire   +3 more sources

The genome and transcriptome of Phalaenopsis yield insights into floral organ development and flowering regulation

open access: yesPeerJ, 2016
The Phalaenopsis orchid is an important potted flower of high economic value around the world. We report the 3.1 Gb draft genome assembly of an important winter flowering Phalaenopsis ‘KHM190’ cultivar.
Jian-Zhi Huang   +12 more
openaire   +4 more sources

Organ and tissue donation: Exploring the needs of families

open access: yes, 2003
Relatives of potential organ donors are the most critical link in maintaining organ availability, as they must express their lack of objection before organ retrieval may take place. The often sudden and unexpected nature of the death of a potential organ
Payne, S.   +5 more
core   +1 more source

Transcriptomic insights into unisexual flower development in Cannabis sativa: conserved MADS-box networks and divergent developmental programs

open access: yesBMC Plant Biology
Background Cannabis sativa, a dioecious species characterized by striking sexual dimorphism and exceptional sexual plasticity, presents a powerful model for exploring floral development and the evolution of dioecy. The unique male and female flowers each
Orly Lavie   +8 more
doaj   +1 more source

Dioxygenase RhDAO1 regulates floral organ identity by controlling auxin homeostasis in miniature rose (Rosa hybrida)

open access: yesHorticultural Plant Journal
Miniature rose (Rosa hybrida) is one of the most extensively cultivated ornamental plants worldwide, and the double-flower traits strongly enhance its aesthetic value.
Wen Chen   +5 more
doaj   +1 more source

Functional analysis of B and C class floral organ genes in spinach demonstrates their role in sexual dimorphism

open access: yesBMC Plant Biology, 2010
Background Evolution of unisexual flowers entails one of the most extreme changes in plant development. Cultivated spinach, Spinacia oleracea L., is uniquely suited for the study of unisexual flower development as it is dioecious and it achieves ...
Jovanovic Maja   +2 more
doaj   +1 more source

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