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iris/− nicotine
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Non-ganglionic effects of nicotine in the pig iris sphincter.
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Nonganglionic parasympathomimetic action of nicotine upon the isolated cat iris.
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Iris yellow spot virus on Onion in Colorado.
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A new disease was found in September 2001 on greenhouse-produced onion transplants of cv. Colorado 6 grown in a field in Larimer County in northern Colorado. Symptoms included straw-colored, dry, tan, spindle- or diamond-shaped lesions on the leaves and scapes of onion plants. Infected plants were
The role of the iris in chick accommodation.
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OBJECTIVE
Peripheral defocus, higher-order aberrations, and accommodation interact with pupil size to influence retinal image quality and possibly eye growth. Iridectomy (ID) provides a fixed, enlarged pupil. Results from in vitro studies suggest that ID may reduce or eliminate accommodation in the
MECHANISM OF THE SYMPATHOMIMETIC RESPONSE OF THE CAT'S IRIS TO NICOTINE.
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Mechanism of action of nicotine in isolated iris sphincter preparations of rabbit.
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1. Nicotine produced a transient contraction of rabbit isolated iris sphincter muscle, a parasympathetic ganglion-free tissue. The response to nicotine was antagonized by hexamethonium, but was insensitive to tetrodotoxin (TTX). While single treatments with atropine, capsaicin or [D-Arg1, D-Pro2,
Bioassays for insecticidal activity of iris ribosome-inactivating proteins expressed in tobacco plants.
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Female sex pheromone of iris borer,Macronoctua onusta (Lepidoptera: Noctuidae).
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Chromatographic and mass spectrometry studies of heptane extracts of the ovipositors of the iris borer,Macronoctua onusta, showed that the females produce several compounds that are the same as those produced by females of the tobacco budworm,Heliothis virescens. In trapping experiments, a mixture
Iris Yellow Spot Tospovirus Detected in Onion (Allium cepa) in Israel.
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During March 1997, 20 to 30% of field-grown onion (Allium cepa), observed in Bet Shean Valley, Israel, had unusual viral symptoms of straw-colored ringspots on leaves and flower stalks. Leaf samples were analyzed by transmission electron microscopy (EM) of leaf dip preparations. Typical
Cholinergic inhibition of adrenergic neurosecretion in the rabbit iris-ciliary body.
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The prejunctional effects of cholinergic agents on release of norepinephrine from sympathetic nerve endings were investigated in the isolated, superfused rabbit iris-ciliary body. Stimulation-evoked release of 3H-norepinephrine was inhibited by the cholinergic agonists methacholine, oxotremorine,
Occurrence of iris yellow spot virus from onion crops in Egypt.
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Iris yellow spot virus (IYSV) is a infects onion bulb and seed crops in many countries including Egypt. Results of the mechanical inoculation reveled that, small chlorotic lesions and systemic necrosis were observed on both Nicotiana benthamiana and Datura stramonium after 10 days, while there were
Iris yellow spot virus (Tospovirus: Bunyaviridae): from obscurity to research priority.
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METHODS
Iris yellow spot virus (IYSV) is in the genus Tospovirus, family Bunyaviridae, with a single-stranded, tri-segmented RNA genome with an ambisense genome organization. Members of the other genera in the family infect predominantly vertebrates and insects.
UNASSIGNED
IYSV is present in most
A new potyvirus from butterfly flower (Iris japonica Thunb.) in Zhejiang, China.
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A filamentous virus isolated from Iris japonica with mosaic symptoms was pathogenic to I. japonica and I. bulleyana but not to 12 virus indicator species. Sequencing of the 3'-terminus of the genome showed that it was a potyvirus, most closely related to sunflower mosaic virus (63.2% identical), and
Molecular cloning and functional characterisation of an H+-pyrophosphatase from Iris lactea.
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Tonoplast H+-pyrophosphatases (VPs) mediate vacuolar Na+ sequestration, a process important for salt tolerance of plants. The function of VP in the highly drought- and salt-tolerant perennial Iris lactea under salt stress is unclear. Here, we isolated IlVP from I. lactea and investigated its
Iris Yellow Spot Virus in Onion Bulb and Seed Crops in Washington.
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The geographic distribution of Iris yellow spot virus (IYSV, Genus Tospovirus, Family Bunyaviridae) in onion (Allium cepa L.) crops in the western United States has increased with the most recent report in Colorado (1,4). Furthermore, the incidence of IYSV has increased significantly in onion crops
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