منابع مشابه
Mitochondrial DNA sequences reveal the photosynthetic relatives of Rafflesia, the world's largest flower.
All parasites are thought to have evolved from free-living ancestors. However, the ancestral conditions facilitating the shift to parasitism are unclear, particularly in plants because the phylogenetic position of many parasites is unknown. This is especially true for Rafflesia, an endophytic holoparasite that produces the largest flowers in the world and has defied confident phylogenetic place...
متن کاملPerigone Lobe Transcriptome Analysis Provides Insights into Rafflesia cantleyi Flower Development
Rafflesia is a biologically enigmatic species that is very rare in occurrence and possesses an extraordinary morphology. This parasitic plant produces a gigantic flower up to one metre in diameter with no leaves, stem or roots. However, little is known about the floral biology of this species especially at the molecular level. In an effort to address this issue, we have generated and characteri...
متن کاملThe Arabidopsis FILAMENTOUS FLOWER gene is required for flower formation.
A screen for mutations affecting flower formation was carried out and several filamentous flower (fil) alleles were identified. In fil mutants, floral primordia occasionally give rise to pedicels lacking flowers at their ends. This defect is dramatically enhanced in fil rev double mutants, in which every floral primordium produces a flowerless pedicel. These data suggest that the FIL and REV ge...
متن کاملViability of having the gigantic Rafflesia flowers in our park
Rafflesia is said to be vulnerable to extinction because of its biological peculiarities.1 Being unisexual and dioeciously, the male and female flowers need to bloom synchroniously in the same area for effective pollination by carrion flies to succeed. Without new seeds formed to be deposited onto the mature hosts, no one can guarantee that they will be there in the ecosystem forever. It is tru...
متن کاملShaping our understanding of endothermic thermoregulation.
Dear Editor-in-Chief, The paper by Kobayashi entitled “Temperature receptors in cutaneous nerve endings are thermostat molecules that induce thermoregulatory behaviors against thermal load” summarizes a series of elegant studies conducted by Kobayashi and colleagues during the past 30 years. These studies have challenged the “hypothalamic proportional control” model which remains the most widel...
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ژورنال
عنوان ژورنال: New Phytologist
سال: 2002
ISSN: 0028-646X,1469-8137
DOI: 10.1046/j.1469-8137.2002.00396.x