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Paspalum minus is a small grass widely distributed from North America and the Greater Antilles to Paraguay and Bolivia in South America. Previous studies indicated that diploid, tetraploid, and pentaploid races exist. Cytoembryological studies in pentaploid plants indicate irregular meiotic...
Bud regeneration from seedling hypocotyls and stem cuttings arising from micropropagated plantlets of Eucalyptus globulus was achieved using inoculation with the wild Agrobacterium tumefaciens strain 82.139 which induced shooty tumors. The adventitious buds regenerated on the shooty tumors were...
Photosynthetic parameters have been investigated using complementary approaches throughout the in vitro development of coconut zygotic embryos into plantlets. Patterns of chlorophyll fluorescence were comparable in in vitro grown coconut plantlets ( θ MAX P =0.72 and θ P =0.45) and in...
On contact with 5°C water for 3 s, photosynthesis of Saintpaulia leaf stopped with concomitant drop of delayed luminescence, followed by the decrease in chlorophyll (Chl) fluorescence to the F 0 level within 20 s. In the chloroplasts isolated from chill-treated leaves, the PS I activity became...
Batch suspension cultures of Lucerne ( Medicago media cv Rambler), established directly from surface-sterilized leaflet explants, were subcultured into media of progressively higher salinity to produce a cell line tolerant to 400 mol/m 3 NaCl. After these cells were grown for eight passages (28...
Genetically transformed Japanese white birch ( Betula platyphylla var. japonica ) plants were regenerated after co-cultivation of leaf discs with Agrobacterium tumefaciens strain LBA4404 that harbored a binary vector (pBI121) which included genes for β -glucuronidase (GUS) and neomycin...
Basic proteins from seeds of cotton ( Gossypium hirsutum ) were purified by a procedure involving cation exchange chromatography on carboxymethyl cellulose (CM52) and reversed phase high performance liquid chromatography (HPLC). The basic protein fraction from these seeds contains a multiplicity...
A halotolerant Chlamydomonas strain, designated strain HS-5, was isolated and its osmoregulating mechanism was examined. When the NaCl concentration in the medium was elevated from 0.5 to 1.5 M, the intracellular free sugars were degraded rapidly and the algal cells accumulated glycerol as an...
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