Publications

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demographic fitness of belminus ferroae (hemiptera: triatominae) on three different hosts under laboratory conditions.triatominae are widely recognised for their role as vectors of trypanosoma cruzi. one of the main biological characteristics of this subfamily is their obligate haematophagous condition. however, previous studies on belminus herreri and belminus ferroae suggested that cockroaches are their principal hosts in domiciles. due to this peculiar behaviour, the aim of this study was to analyse several demographic and reproductive parameters of b. ferroae fed on three different hosts (mice, cockroaches ...024141961
genetic basis of triatomine behavior: lessons from available insect genomes.triatomines have been important model organisms for behavioural research. diverse reports about triatomine host search, pheromone communication in the sexual, shelter and alarm contexts, daily cycles of activity, refuge choice and behavioural plasticity have been published in the last two decades. in recent times, a variety of molecular genetics techniques has allowed researchers to investigate elaborate and complex questions about the genetic bases of the physiology of insects. this, together w ...024473804
interaction of lipophorin with rhodnius prolixus oocytes: biochemical properties and the importance of blood feeding.lipophorin (lp) is the main haemolymphatic lipoprotein in insects and transports lipids between different organs. in adult females, lipophorin delivers lipids to growing oocytes. in this study, the interaction of this lipoprotein with the ovaries of rhodnius prolixus was characterised using an oocyte membrane preparation and purified radiolabelled lp (125i-lp). lp-specific binding to the oocyte membrane reached equilibrium after 40-60 min and when 125i-lp was incubated with increasing amounts of ...024037104
the origin and evolution of six miniature inverted-repeat transposable elements in bombyx mori and rhodnius prolixus.miniature inverted-repeat transposable elements (mites) are a specific group of nonautonomous dna transposons, and they are distributed in a wide range of hosts. however, the origin and evolutionary history of mites in eukaryotic genomes remain unclear. in this study, six mites were identified in the silkworm (bombyx mori). five elements are grouped into four known superfamilies of dna transposons, and one represents a novel class of mites. unexpectedly, six similar mites are also present in the ...024115603
neuropeptide action in insects and crustaceans.physiological processes are regulated by a diverse array of neuropeptides that coordinate organ systems. the neuropeptides, many of which act through g protein-coupled receptors, affect the levels of cyclic nucleotides (camp and cgmp) and ca(2+) in target tissues. in this perspective, their roles in molting, osmoregulation, metabolite utilization, and cardiovascular function are highlighted. in decapod crustaceans, inhibitory neuropeptides (molt-inhibiting hormone and crustacean hyperglycemic ho ...020550437
standardization of a continuous assay for glycosidases and its use for screening insect gut samples at individual and populational levels.glycoside hydrolases (ghs) are enzymes able to recognize and cleave glycosidic bonds. insect ghs play decisive roles in digestion, in plant-herbivore, and host-pathogen interactions. gh activity is normally measured by the detection of a release from the substrate of products as sugars units, colored, or fluorescent groups. in most cases, the conditions for product release and detection differ, resulting in discontinuous assays. the current protocols result in using large amounts of reaction mix ...028553236
the waterproofing process in eggs of rhodnius prolixus stahl. 194620281587
the formation and structure of the chorion of the egg in an hemipteran, rhodnius prolixus. 194620286262
a method for observing growing epithelial tissue in rhodnius prolixus (hemiptera). 194718932738
the epicuticle in an insect, rhodnius prolixus (hemiptera). 194720292372
the formation and structure of the micropylar complex in the egg-shell of rhodnius prolixus stähl; (heteroptera reduviidae). 194720292360
the regeneration of legs in rhodnius prolixus (hempiptera). 194818115870
the penetration of the insect egg-shells; penetration of the chorion of rhodnius prolixus, stal. 194818104362
the penetration of insect eggshells; the properties and permeability of subchorial membranes during development of rhodnius prolixus, stål. 194918117674
spermatophore production and egg-laying behaviour in rhodnius prolixus stal. (hemiptera; reduviidae). 195014785969
[the proboscis of rhodnius prolixus and its function]. 195213040097
[allergic reactions to the sting of reduvidoidea, rhodnius prolixus]. 195413230817
[analysis of the blood-sucking act of bug rhodnius prolixus]. 195613411782
histamine and histidine in excreta of the blood-sucking bug rhodnius prolixus. 195613358716
[morphological and neuro-physiological analysis of bites of rhodnius prolixus stål 1858]. 195713424388
arthropod transmission of rabbit papillomatosis.the virus of rabbit papillomatosis, a neoplastic disease studied intensively in relation to cancer because of its tendency toward malignant transformation, has been successfully transmitted by aedes aegypti, rhodnius prolixus, and triatoma infestans from papillomas induced in cottontail rabbits, and by the first species mentioned, from papillomas induced in domestic rabbits. this was accomplished by interrupted feeding, feeding after an interval of several days from the infective meal, or by app ...195813549638
[data on trypanosoma rangeli tejera, 1920, i. technic for obtaining it from the salivary gland of rhodnius prolixus]. 195813586728
[the influence of intestinal symbionts of rhodnius prolixus on trypanosoma cruzi]. 195913856183
[study of the proteins of the hemolymph of triatoma infestans and rhodnius prolixus by ultra-microelectrophoresis in agar gel]. 195913798984
a simple apparatus for the artificial feeding of rhodnius prolixus (hemiptera, reduviidae). 196014399808
studies on rhodnius prolixus: growth and development of normal and sterile bugs, and the symbiotic relationship. 196014399809
synthesis of thiamine and folic acid by nocardia rhodnii, the micro-symbiont of rhodnius prolixus. 196013711570
studies of the amino acids of rhodnius prolixus ii. analysis of the excretory material. 196113904706
studies of the amino acids of rhodnius prolixus i. analysis of the haemolymph. 196113904705
[survey of extra-domiciliary rhodnius prolixus in venezuela. (preliminary report)]. 196313946326
[verification of extradomestic rhodnius prolixus in venezuela. preliminary report]. 196314112052
increased infectivity of a cyclically maintained strain of trypanosoma rangeli to rhodnius prolixus and mode of transmission by invertebrate host. 196414215475
mass rearing of rhodnius prolixus. 196414272468
excretion in the blood-sucking bug, rhodnius prolixus stal. 3. the control of the release of the diuretic hormone. 196414221042
anticoagulant and fibrinolytic activities from rhodnius prolixus stal. 196414191567
excretion in the blood-sucking bug, rhodnius prolixus stal. ii. the normal course of diuresis and the effect of temperature. 196414161607
haemolymph proteins and yolk formation in rhodnius prolixus stål. 19655893421
the hemocytes of rhodnius prolixus stal. 19655831926
prolixins-s and prolixin-g; two anticoagulants from rhodnius prolixus stål. 19655887330
the gorging response in rhodnius prolixus stahl. 196514287033
[development of a new method for the evaluation of house infestation by rhodnius prolixus]. 196514334652
the effect of nutrient intake on the development and the egg production of rhodnius prolixus ståhl (hemiptera: reduviidae). 19655838417
biological factors influencing transmission of trypanosoma rangeli by rhodnius prolixus. 19655857287
ultrastructure of trypanosoma cruzi in the rectum of rhodnius prolixus. 19665960783
investigations on a plasminogen activator in two blood-suckers, rhodnius prolixus stål and hirudo medicinalis. 19664222073
studies on the hormonal control of metabolism in rhodnius prolixus stål. ii. the fifth-stage insect. 19666004918
effects of ddt on oxygen consumption of rhodnius prolixus stål. 19665945566
cell interactions in the repair of wounds in an insect (rhodnius prolixus). 19666004783
toxicity of ddt, dieldrin, mlathion and fenthion to rhodnius prolixus in the laboratory. 19665298045
[notes on the dispersion methods of rhodnius prolixus stal]. 19664959558
[demonstration of cholinesterase activity at the level of the ultrastructures of the rerocerebral complex in rhodnius prolixus (hemiptera, reduvidae)]. 19664228370
mitosis and meiosis in rhodnius prolixus: the fine structure of the spindle and diffuse kinetochore. 19676067449
laboratory studies of trypanosoma cruzi infections in: rhodnius prolixus--larvae and adults in: triatoma infestans, t. protracta and t. maculata--adults. 19674861087
the use of artificial diets to determine some of the effects of nocardia rhodnii on the development of rhodnius prolixus. 19685649234
pathogenicity of trypanosoma rangeli for rhodnius prolixus stal in nature (hemiptera: reduviidae) (kinetoplastida: trypanosomatidae). 19685699971
mechanical transmission of trypanosoma lewisi (kinetoplastida: trypanosomidae) by rhodnius prolixus (hemiptera: reduviidae). 19685699976
experimental infection of triatoma infestans and rhodnius prolixus with trypanosomatidae of the genera crithidia and blastocrithidia. 19685703437
[electron microscopic studies on the life cycle of trypanosoma cruzi with special reference to developmental forms in the vector rhodnius prolixus]. 19684388645
the fine structure of the ventral intersegmental abdominal muscles of the insect rhodnius prolixus during the molting cycle. ii. muscle changes in preparation for molting.the development of the ventral intersegmental abdominal muscles of rhodnius prolixus is triggered by feeding. the early muscle (1 day after feeding) contains essentially nonstriated fibrils. however, in cross-sections, areas indicating early i bands, z lines, and a bands can be recognized. interdigitating thick and thin myofilaments do not assemble into a precise lattice until sometime between 4 and 5 days after feeding. as development continues, the number of fibrils increases, the region corre ...19685656402
the fine structure of the ventral intersegmental abdominal muscles of the insect rhodnius prolixus during the molting cycle. i. muscle structure at molting.rhodnius prolixus, a south american insect, molts five times in its development to an adult after emerging from the egg. each molting cycle is triggered with a blood-meal. the ventral intersegmental abdominal muscles of rhodnius develop during each molting cycle and are functional at molting. the fine structure of these fully developed muscles from fourth stage larval insects is studied. they have the characteristic structure of slow muscles. they have multiple motor nerve endings, and the myofi ...19685656401
the fine structure of wound repair in an insect (rhodnius prolixus). 19684297319
[histologic study of neurosecretion in the ventral nervous chain of rhodnius prolixus stål (hemiptera)]. 19684180634
fate of some culture flagellates in the hemocoel of rhodnius prolixus. 19684919049
the effect of colchicine on myogenesis in vivo in rana pipiens and rhodnius prolixus (hemiptera).the effect of colchicine on myogenesis in vivo has been studied in the regenerating tadpole tail of the frog, rana pipiens, and in the abdominal molting muscles of a blood-sucking bug, rhodnius prolixus stål. colchicine is shown to disrupt microtubules in the differentiating muscle cells of both these organisms. the disruption of microtubules is correlated with a loss of longitudinal anisometry in the myoblasts and myotubes of the regeneration blastema in the tadpole tail. before colchicine trea ...19684177377
[study of neurosecretion in the brain and subesophageal ganglion of rhodnius prolixus (stål) hemiptera female imagos]. 19694181412
resting places, dispersal and survival of co60-tagged adult rhodnius prolixus. 19695775478
an electron microscope study of differentiation of the molting muscles of rhodnius prolixus. 19695765553
the uptake of trypanosoma cruzi by rhodnius prolixus and its later excretion. 19695368019
some observations on xenodiagnosis with rhodnius prolixus and triatoma infestans in human infections with bahian strains of trypanosoma cruzi. 19694980623
natural infections and behavior of trypanosoma rangeli and trypanosoma cruzi in the vector rhodnius prolixus in colombia. 19694980776
observations on the development of trypanosoma rangeli in the hemocoel of rhodnius prolixus. 19705442845
[preliminary research on sterilization of rhodnius prolixus by tarsal contact on surfaces treated with metepa (oxide of tris-(2-methyl-aziridinyl) phosphate)]. 19705002288
effects of sub-lethal high temperature on an insect, rhodnius prolixus (stål.). v. a possible mechanism of the inhibition of reproduction. 19705483398
effects of sub-lethal high temperature on an insect, rhodnius prolixus (stål.). iv. egg formation, oviposition and sterility. 19705483397
injury metabolism in an insect, rhodnius prolixus. 19705433723
the effects of vinblastine sulfate on the microtubular organization of the ovary of rhodnius prolixus. 19705466483
[study in vivo of action of cerebral tissue homogenate on the rectum of rhodnius prolixus (hemiptera) stael]. 19704988314
[experimental study of neuroendocrine control of diuresis in rhodnius prolixus (hemiptera stael)]. 19704988156
the effects of nutrient and non-nutrient diets on the fat body cell nuclei and nucleoli of starved nymphs of rhodnius prolixus (hemiptera). 19705448821
haemocytes in the repair of wounds in an insect (rhodnius prolixus). 19705442853
effects of sub-lethal high temperature on the composition of the larval fat body in rhodnius prolixus. 19705438074
the fine structure of developing type 'b' dermal glands in rhodnius prolixus.the fine structure of the developing type 'b' dermal gland, the more common type in fifth instar larvae of rhodnius, is described. each gland consists of three cells responsible for secretion of the duct, saccule and secretion product or precursors, and a fourth capsule cell. the cuticular linings of the duct and saccule are secreted and shed synchronously with the cuticle of the body surface. mechanisms of secretion and discharge are suggested.197018631504
feeding and excretion of rhodnius prolixus infected with schizotrypanum cruzi. 19705442067
uric acid synthesis in rhodnius prolixus. 19705417704
the isolation and study of an unidentified factor from the haemolymph of rhodnius prolixus. 19704922130
[preliminary data on the activity of ionizing radiation on fertile eggs of triatomideos-rhodnius prolixus]. 19704911045
the biology and vector capability of triatoma sanguisuga texana usinger and triatoma gerstaeckeri (stål) compared with rhodnius prolixus (stål) (hemiptera: triatominae). 19704907991
tapinoma melanocephalum as an inhibitor of rhodnius prolixus populations. 19715005142
the control of protease synthesis in the intestine of adults of rhodnius prolixus. 19714937554
dynamics of the neurosecretory system in the brain of an insect, rhodnius prolixus, during growth and molting. 19714104369
feeding in rhodnius prolixus: mouthpart activity and salivation, and their correlation with chanees of electrical resistance. 19714928384
some effects of juvenile hormone mimics on aedes aegypta and rhodnius prolixus. 19714398587
trypanosoma rangeli: effect on excretion in rhodnius prolixus. 19715558074
histology of rhodnius prolixus infected with trypanosoma rangeli. 19714997588
proteolytic enzymes in the rhodnius prolixus midgut.sequential chromatographic fractionation of rhodnius prolixus midgut homogenate yielded only one endopeptidase, but revealed the presence of carboxypeptidase-a and b-like enzyme, di- and tripeptidases, as well as aminopeptidase activities.1971376330
a new approach to the problem of the role of the obligatory symbiotic nocardia sp. of rhodnius prolixus. 19724262757
[sterilization of rhodnius prolixus stal, by metepa (tris (1-(2 methyl) aziridinil phosphoric oxide) and its action of trypanosoma cruzi]. 19724615357
[a laboratory experiment with the chemosterilant hempa in rhodnius prolixus]. 19724632845
a cytological study of the ovary of rhodnius prolixus. cytoarchitecture and development of the trophic chamber. 19724560671
a cytological study of the ovary of rhodnius prolixus. ii. oocyte differentiation. 19724558545
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