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THE EVOLUTIONARY HISTORY OF MYCORRHIZAL SPECIFICITY AMONG LADY'S SLIPPER ORCHIDS
TLDR
Mycorrhizal specificity in genus Cypripedium appears to be an evolvable trait, and associations with particular fungi are phylogenetically conserved. Expand
Model for perianth formation in orchids
TLDR
A conserved principle, called the Perianth (P) code, which involves competition between two protein complexes containing different AP3/AGL6 homologues to determine the formation of the complex perianth patterns in orchids is demonstrated. Expand
Embryo development in the lady's slipper orchid, Paphiopedilum delenatii, with emphasis on the ultrastructure of the suspensor.
TLDR
The morphological features of the transfer cell and the absence of cuticular material in the Suspensor cell wall corroborate the hypothesis that the suspensor is the major nutrient uptake site for the developing embryo in the lady's slipper orchid. Expand
C- and D-class MADS-box genes from Phalaenopsis equestris (Orchidaceae) display functions in gynostemium and ovule development.
TLDR
Results indicated that both C-class PeMADS1 and D-classPeMADS7 play important roles in orchid gynostemium and ovule development. Expand
Plant regeneration from protocorm-derived callus of Cypripedium formosanum
  • Yung-I Lee, N. Lee
  • Biology
  • In Vitro Cellular & Developmental Biology - Plant
  • 1 September 2003
TLDR
Totipotent callus of Cypripedium formosanum was induced from seed-derived protocorm segments on a quarter-strength Murashige and Skoog medium containing 4.52 μM 2,4-dichlorophenoxyacetic acid and 1-phenyl-3-(1,2,3-thiadiazol-5-yl)-urea (thidiazuron). Expand
Embryo Development of Cypripedium formosanum in Relation to Seed Germination In Vitro
TLDR
For seed germination, the results indicate that the timing of seed collection outweighs the composition of medium and the seed pretreatments. Expand
Effects of calcium on rhizotoxicity and the accumulation and translocation of copper by grapevines.
TLDR
The morphological phenomena of root response to an increase in Cu levels were relatively pronounced at a background concentration of 5 mM Ca; epidermal cell walls thickened, cortical cells remained intact and root terminal swelling was enhanced with Cu exposure. Expand
Copper accumulation, translocation, and toxic effects in grapevine cuttings
TLDR
Investigating the macroscopic root growth and Cu accumulation by grapevine and the microscopic changes in root tissue at the cell level after the exposure experiment revealed that root growth, as well as the histological changes in rhizodermal cells, can be used as phytotoxic indicators of grapevine under Cu stress. Expand
Chromosomal polymorphism of ribosomal genes in the genus Oryza
TLDR
It is suggested that chromosomal inversion and the amplification and transposition of rDNA might occur during Oryza species evolution. Expand
Influence of magnesium on copper phytotoxicity to and accumulation and translocation in grapevines.
TLDR
The results suggest that the toxic effect resulted from metals depend not only on the competition of coexistent cations for plasma membrane surface, but also on the transport and distribution of toxic metals in physiological active sites in plants. Expand
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