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lilium davidii/phosphatase
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Further Studies on myo-Inositol-1-phosphatase from the Pollen of Lilium longiflorum Thunb.
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myo-Inositol-1-phosphatase has been purified to homogeneity from Lilium longiflorum pollen using an alternative procedure which includes pH change and phenyl Sepharose column chromatography. Sodium dodecyl sulfate-polyacrylamide gel electrophoretic analysis shows that the enzyme is a dimer (subunit
myo-Inositol-1-Phosphatase from the Pollen of Lilium longiflorum Thunb.
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A Mg(2+)-dependent, alkaline phosphatase has been isolated from mature pollen of Lilium longiflorum Thunb., cv. Ace and partially purified. It hydrolyzes 1l- and 1d-myo-inositol 1-phosphate, myo-inositol 2-phosphate, and beta-glycerophosphate at rates decreasing in the order named. The affinity of
Release of an acid phosphatase activity during lily pollen tube growth involves components of the secretory pathway.
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An acid phosphatase (acPAse) activity was released during germination and tube growth of pollen of Lilium longiflorum Thunb. By inhibiting components of the secretory pathway, the export of the acPase activity was affected and tube growth stopped. Brefeldin A (1 microM) and cytochalasin D (1
Alkaline phytase from Lilium longiflorum: purification and structural characterization.
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Phytases catalyze the hydrolysis of phytic acid (myo-inositol hexakisphosphate), the most abundant inositol phosphate in cells. Phytases are of great commercial importance because their use as food and animal feed supplement has been approved by many countries to alleviate environmental and
Disturbance of endomembrane trafficking by brefeldin A and calyculin A reorganizes the actin cytoskeleton of Lilium longiflorum pollen tubes.
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We investigated the effect of brefeldin A on membrane trafficking and the actin cytoskeleton of pollen tubes of Lilium longiflorum with fluorescent dyes, inhibitor experiments, and confocal laser scanning microscopy. The formation of a subapical brefeldin A-induced membrane aggregation (BIA) was
Nondiffusional release of allergens from pollen grains of Artemisia vulgaris and Lilium longiflorum depends mainly on the type of the allergen.
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BACKGROUND
Upon contact with a wet surface, mature pollen grains hydrate and release proteins including allergens. Knowledge of the release mechanism of allergens that are mainly localized intracellularly may allow the design of strategies for inhibition of allergen release and the consequent
Reversible protein phosphorylation regulates the dynamic organization of the pollen tube cytoskeleton: effects of calyculin A and okadaic acid.
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We investigated the cytoskeleton of Lilium longiflorum pollen tubes and examined the effects of the type 2A protein phosphatase (PP2A) inhibitors calyculin A and okadaic acid. An improved method for actin visualization, the simultaneous fixation and staining with rhodamine-labelled phalloidin during
Molluscicidal activity of fatty acids in the kernel of Chimonanthus praecox cv. Luteus against the golden apple snail Pomacea canaliculata
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The fatty acid composition of the kernel of Chimonanthus praecox cv. Luteus (FKC) was analyzed by gas chromatography-mass spectrometry (GC-MS), its ability to kill Pomacea canaliculata was detected, and the degree of damage and physiological and biochemical effects of an FKC soaking treatment on the
Events in the cytoplasm during male meiosis in Lilium.
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An electron microscopic investigation of the events associated with meiosis in Lilium has revealed a number of changes in both the organellar population and the other cytoplasmic components. Ribosome numbers decrease significantly in early prophase and are later replenished in the tetrads, a process
In vivo cross-linking combined with mass spectrometry analysis reveals receptor-like kinases and Ca(2+) signalling proteins as putative interaction partners of pollen plasma membrane H(+) ATPases.
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During fertilisation in plants, pollen grains germinate and generate a pollen tube which grows through the style tissue to the egg apparatus delivering the two sperm cells for fertilisation. For this process, adaption to specific environmental conditions and communication between male and female
[Variations in the protein and enzyme pattern during pollen meiosis and pollen development].
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During pollen development and meiosis in Lilium henryi the protein pattern was analysed by disc electrophoresis, the microsporocytes and the tapetal fractions, being taken seperately. The pattern undergoes a phase-specific variation: every cytological stage shows a specific protein pattern.The
Characterization of two subclasses of PR-10 transcripts in lily anthers and induction of their genes through separate signal transduction pathways.
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The lily PR-10 belongs to a family of intracellular pathogenesis-related (IPR) proteins. Genomic Southern analysis indicates that the PR-10 is encoded by a family of multiple genes. Seven heterogeneous cDNA clones encoding lily PR-10 from Lilium longiflorum are divided into two subclasses based on
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