(n.) A very venomous snake of India (Bungarus coeruleus), allied to the cobra. Its upper parts are bluish or brownish black, often with narrow white streaks; the belly is whitish.
Example Sentences:
(1) Adrenal gland is studied histologically in the common krait, the cobra and the viper.
(2) Anticholinesterase did not improve paralysis in 2 patients bitten by kraits.
(3) In situ hybridization with a cloned banded krait sex-specific repetitive DNA probe (Bkm) indicates a high concentration of Bkm sequences on the horse Y chromosome in both normal XY males and XY sex-reversed females.
(4) A nontoxic phospholipase A2 was purified from the venom of Indian krait (Bungarus caeruleus) by a four-step procedure involving electrophoresis, gel filtration and ion-exchange chromatography.
(5) We report our experiences of a patient who required ventilatory care after krait bite.
(6) A peptide, termed kappa-flavitoxin (kappa-flavitoxin), has been purified from the venom of the red-headed krait, Bungarus flaviceps, by low- and high-pressure liquid chromatography.
(7) The effects of five Thai snake venoms--Malayan pit viper--MPV (Ancistrodon rhodostoma); Russell's viper--RVV (Vipera russelli); cobra--CV (Naja naja); king cobra--KCV (Naja hannah) and banded krait--BKV (Bungarus fasciatus)--on blood coagulation fibrinolysis and platelet aggregation were studied.
(8) The Malayan krait (Bungarus candidus) was confused with B. fasciatus in 5 cases and B. fasciatus antivenom was used inappropriately.
(9) Percentage of dorsal chromaffin is higher in the viper and cobra than that of the krait, while that of intercoritcal chromaffin is higher in the krait than that of others.
(10) The krait (Bungarus) venom is known to contain bungarotoxins which act at the neuromuscular junction.
(11) With the exception of the venom of the Malayan krait Bungarus candidus, the elapid venoms had either little or no hyaluronidase activities, whereas the viperid venoms possessed considerable activity.
(12) Such a situation seems to occur in the human species with respect to the banded krait minor satellite, a repetitious DNA sequence associated with sex determination.
(13) I report that chloroquine reduced the toxicity in mice of the venom from the Formosan krait, Bungarus multicinctus, when both venom and drug were administered i.p.
(14) Banded krait minor (Bkm) satellite DNA (related to sequences originally recovered from the W chromosome of the banded krait and consisting essentially of a series of GATA repeats) is found in a wide spectrum of vertebrates and invertebrates.
(15) In amniotes, the banded krait minor (Bkm) minisatellite (GATA), the human telometric sequence (TTAGGG)7, and the Y-specific genes, ZFY and SRY, are associated with a particular sex.
(16) The results indicate that even though there are individual variations in the biological properties of the krait venoms, interspecific differences in the properties can be used for differentiation of the venoms from the four species of Bungarus.
(17) The respiratory failure in 2 patients was successfully treated by mechanical ventilation for 8 and 30 h. These observations confirm the importance of neurotoxic symptoms following bites by these species but also suggest a contributory role of generalized rhabdomyolysis in krait victims and emphasize the problem of severe local tissue necrosis in cobra victims.
(18) The intravenous median lethal doses (LD50), protease, phosphodiesterase, alkaline phosphomonoesterase, L-amino acid oxidase, acetylcholinesterase, phospholipase A, 5'-nucleotidase, hyauronidase and anticoagulant activities of fourteen samples of venoms from the four common species of krait (Bungarus caeruleus, Bungarus candidus, Bungarus multicinctus and Bungarus fasciatus) were examined.
(19) Banded krait minor ("Bkm") satellite DNA, originating in the W-chromosome of the snake Bungarus fasciatus, has been found in the genome of diverse eukaryotic species including fruit fly, quail, and horse.
(20) A postsynaptic acting short chain alpha-toxin, B.f. III, was isolated from venom of the banded krait (Bungarus fasciatus) using ion-exchange chromatography.
Venomous
Definition:
(a.) Full of venom; noxious to animal life; poisonous; as, the bite of a serpent may be venomous.
(a.) Having a poison gland or glands for the secretion of venom, as certain serpents and insects.
(a.) Noxious; mischievous; malignant; spiteful; as, a venomous progeny; a venomous writer.
Example Sentences:
(1) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
(2) Four new monochain phospholipases were purified from the Oxyuranus scutellatus (taipan) venom.
(3) The antibodies were used for identifying cross-reacting proteins in individual C. s. scutulatus and other Crotalus venoms and to isolate Mojave toxin.
(4) Analysis of the product by equilibrium density centrifugation and processive hydrolysis with snake venom phosphodiesterase suggested that the noncomplementary nucleotides were present in phosphodiester linkage.
(5) The structure of the oligonucleotide-adenylate was determined by enzymatic digestion with base-nonspecific nuclease and venom phosphodiesterase.
(6) Admission venom levels also correlated with the extent of local swelling and the occurrence of tissue necrosis at the site of the bite.
(7) omega-Conotoxin GVIA is a peptide purified from the venom of the marine snail, Conus geographus, that specifically blocks voltage-sensitive calcium channels in neurons.
(8) The potential use of ancrod, a purified isolate from the venom of the Malaysian pit viper, Agkistrodon rhodostoma, in decreasing the frequency of cyclic flow variations in severely stenosed canine coronary arteries and causing thrombolysis of an acute coronary thrombus induced by a copper coil was evaluated.
(9) We developed a continuous spectrophotometric assay of the phospholipase A2 activity specific for choline plasmalogen using rat liver lysoplasmalogenase and horse liver alcohol dehydrogenase as coupling enzymes and Naja naja venom phospholipase A2 as a source of the phospholipase A2 activity.
(10) Two polypeptides (protein S5C1 and toxin S5C10) were purified from Dendroaspis jamesoni kaimosae venom.
(11) Weighed amounts of lyophilized venom from each snake were compared chronologically for variation in isoelectric focusing patterns, using natural and immobilized gradients.
(12) The presence of proteins antigenically related to Bothrops asper myotoxins in various snake venoms, mainly from South America, was investigated by using polyclonal and monoclonal antibodies.
(13) Phospholipase A2 from cobra venom (Naja naja naja) is a homogeneous, heat-stable enzyme that has a monomer molecular weight of only 11,000 and contains one histidine and one tryptophan residue.
(14) Surprisingly, whole-rat envenomation, using very large doses of venom, produced little dye leakage even though obvious symptoms of neurotoxic action were observed.
(15) Most double-helical segments were reactive to cobra venom ribonuclease to some degree; the exceptions were the five "long-range" helices that are probably compactly folded within the structure.
(16) Phospholipase A2 has been purified from the venom of Horned viper (Cerastes cerastes) by gel permeation chromatography followed by reverse-phase HPLC.
(17) Protamine sulphate in vitro antagonized anticoagulant properties but did not protect mice from toxic envenomation; because venom was also neurotoxic and showed a curare like effect at the neuromuscular junction.
(18) Only the enzyme from Naja naja naja (cobra) venom was found to be activated significantly by phosphorylcholine-containing compounds when hydrolyzing phosphatidylethanolamine.
(19) Factor X activator of Vipera russelli venom and esterase of T. mucrosquamatus venom did not have any effect on prothrombin.
(20) IgE antibodies from patients allergic to Vespula usually cross-react with V. crabro venom.