Publications

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evolutionary implications of leishmania amastigotes in circulating blood cells of lizards.amastigotes of 2 leishmania species are reported from the pakistani lizards teratoscincus scincus (gekkonidae) and agama agilis (agamidae) collected in western baluchistan and north-central sind, respectively. parasites were seen only in blood cells primarily within thrombocytes, and were detected on smears of peripheral blood. slides made at 3-day intervals for 38 days from an infected hatchling t. scincus demonstrated an increase with time in the mean number of amastigotes/infected thrombocyte ...1979542323
immunocytochemical discrimination of visual pigments in the retinal photoreceptors of the nocturnal gecko teratoscincus scincus.using a monoclonal antibody (cos-1) against a chicken cone visual pigment and an anti-rhodopsin serum, two visual pigments were distinguished in the gecko retina. one pigment, recognized by the monoclonal antibody cos-1, was found in the outer segments of all photoreceptor cells except the thinner members of type c double cells and the middle members of the triplet cells. these cos-1-negative photoreceptors contained another pigment which could be demonstrated by the anti-rhodopsin serum. based ...19863545866
microspectrophotometric and immunocytochemical identification of ultraviolet photoreceptors in geckos.retinas of the nocturnal geckos, hemidactylus turcicus, hemidactylus garnotii, and teratoscincus scincus, were studied with microspectrophotometry and immunocytochemistry against various visual pigment epitopes to reveal uv-sensitive photoreceptors. from 6-20% of the thinner members of type c double photoreceptors, earlier believed to be blue-sensitive, were found to contain a uv-absorbing visual pigment with lambda max at 363-366 nm. the pigment had bleaching and dichroic properties typical of ...19968737275
lithium secretion in kidneys of amphibians and reptiles under hydrated conditions.renal lithium transport was studied at different hydration levels in five species of anuran amphibians (bufo bufo, b. danatensis, b. viridis, rana ridibunda, and r. temporaria), two species of urodeles (triturus vulgaris and t. cristatus) and four species of reptiles (lizards eremias multiocellata, lacerta vivipara, trapelus sanguinolentus, and teratoscincus scincus). under dehydration conditions, li+ was reabsorbed in the kidneys of amphibians ans reptiles, but to a lesser degree than in mammal ...19979505431
molecular identification of cryptosporidium isolates from exotic pet animals in japan.the cryptosporidium horse genotype, a zoonotic protozoan parasite first found in a prezewalski wild horse, has not been found in any other mammal but calves, horses, and humans. hedgehogs, popular exotic pet animals in japan, are a reservoir of two zoonotic cryptosporidum: c. parvum and c. erinacei (previously known as the hedgehog genotype). recently, after finding cryptosporidium infection in a four-toed hedgehog (atelerix albiventris), we identified the isolate genetically as the cryptosporid ...201525801359
posture, speed, and habitat structure: three-dimensional hindlimb kinematics of two species of padless geckos.differences in habitat use are often correlated with differences in morphology and behavior, while animals in similar habitats often exhibit similarities in form and function. however, this has not been tested extensively among lizards, especially geckos. most studies of gecko locomotion have focused on the ability to adhere to surfaces. however, there are several species of geckos that have either secondarily lost adhesive capabilities or simply lack the capability. we quantified the three-dime ...201121392953
a contractile cochlear frame is a common feature of the hearing organs in gekkota (sauria, squamata): a comparative study.geckos are the most vocalizing animals among squamata. previously we discovered a contractile segment (the nal, noncartilaginous abneural limbus), within the rigid periotic cochlear frame of the gecko teratoscincus scincus [ganeshina and vorobyev, 2003]. because this unusual cochlear specialization has not previously been described in the vertebrate hearing organs, we have hypothesized that the nal has evolved within gekkota as a specialization associated with vocalization and sound communicatio ...200919690407
experimental assessment of social interactions in two species of the genus teratoscincus (gekkota).social organization of many reptile species that are rare in the wild remains rather unexplored due to difficulties when setting experiments in the field. behavioral analysis of standard social situations in laboratory conditions is considered an indirect method to reveal social behavior in the field. we studied two rare species of geckos, teratoscincus scincus and teratoscincus keyserlingii, inhabiting sand dunes of uzbekistan and eastern iran. a series of experiments was carried out to quantif ...201526299547
analysis of the locomotor activity of a nocturnal desert lizard (reptilia: gekkonidae: teratoscincus scincus) under varying moonlight.1. this project seeks to identify determinants of the variation observed in the foraging behavior of predatory animals, especially in moonlight, using a lizard as a model. 2. moonlight generally enhances the foraging efficiency of nocturnal visual predators and often depresses the locomotor activity of prey animals. previous evidence has indicated for three different nocturnal species of smallish gecko lizards that they respond to moonlight by increasing their activity. 3. in this study some asp ...200717408939
contractile cochlear frame in the gecko teratoscincus scincus.it is generally accepted that the cartilaginous frame of the reptilian cochlea has only a passive supportive function. in this study, a ribbon of contractile tissue was revealed within the cartilaginous frame of the cochlea of the gecko teratoscincus scincus. it consisted of tightly packed cells and received an extensive blood supply. the cytoplasm of the cells was filled with cytoskeletal filaments 5-7 nm thick as revealed by electron microscopy. isolated tissue permeabilized with triton x-100 ...200312746867
microspectrophotometric study of visual pigments in five species of geckos.photoreceptors and visual pigments were studied by light microscopy and microspectrophotometry in geckos teratoscincus scincus, gymnodactylus russovi, g. caspius, g. fedchenkovi and g. kotschui. type a single, type b double and the thicker members of type c double cells were found to contain a green-sensitive visual pigment with the maximum absorption at 534-537 nm. blue-absorbing pigment (lambda m = 446-460 nm) was only found in the thinner members of type c doubles.19846523763
morphology and function of the dorsal sound producing scales in the tail of teratoscincus scincus (reptilia; gekkonidae). 19744414720
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