Search Results - "Ullmann, L. S."

Interactions between environment, wild animals and human leptospirosis by Ullmann, LS, Langoni, H

“…Leptospirosis, a worldwide distributed zoononis caused by bacteria of the genus Leptospira (antigenically classified into serovars), may be direct or…”
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Occurrence and risk factors associated with canine leptospirosis by Kikuti, M, Langoni, H, Nobrega, DN, Corrêa, APFL, Ullmann, LS

“…Leptospirosis is a globally distributed emerging zoonosis. Dogs are commonly affected and although other serovars can cause canine leptospirosis, Leptospira…”
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High frequency of genital carriers of Leptospira sp. in sheep slaughtered in the semi-arid region of northeastern Brazil by Silva, A. F., Farias, P. J. A., Silva, M. L. C. R., Araújo Júnior, J. P., Malossi, C. D., Ullmann, L. S., Costa, D. F., Higino, S. S. S, Azevedo, S. S., Alves, C. J.

“…Although some studies in sheep have indicated leptospire colonization of the genital tract, further studies are needed to clarify the role of genital carriers…”
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Isolation and Characterization of Madariaga Virus from a Horse in Paraíba State, Brazil by Silva, M. L. C. R., Auguste, A. J., Terzian, A. C. B., Vedovello, D., Riet‐Correa, F., Macário, V. M. K., Mourão, M. P. G., Ullmann, L. S., Araújo, J. P., Weaver, S. C., Nogueira, M. L.

“…Summary Madariaga virus (MADV), the new species designation for the South American isolates of eastern equine encephalitis virus (EEEV), is genetically…”
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Postnatal development of Leydig cells in the opossum (Monodelphis domestica): an immunocytochemical and endocrinological study by XIE, Q, MACKAY, S, ULLMANN, S. L, GILMORE, D. P, PAYNE, A. P, GRAY, C

“…This study involved characterization of Leydig cells of the opossum Monodelphis domestica, functionally by immunocytochemical identification of the enzyme 3…”
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Migration of primordial germ cells to the developing gonadal ridges in the tammar wallaby Macropus eugenii by Ullmann, S L, Shaw, G, Alcorn, G T, Renfree, M B

“…Primordial germ cells (PGCs) of the tammar wallaby Macropus eugenii have a distinctive morphology and stain positively for alkaline phosphatase. PGCs are…”
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Postnatal development of the reproductive system in the grey short-tailed opossum, Monodelphis domestica by Mackay, S, Xie, Q, Ullmann, S L, Gilmore, D P, Payne, A P

“…Postnatal phenotypic sex differentiation has been investigated in a laboratory marsupial, Monodelphis domestica, as part of a larger study to resolve apparent…”
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Hantaviruses as emergent zoonoses by Ullmann, LS, Souza, LC, Langoni, H

“…Hantaviruses belong to the Bunyaviridae family, which consists of vector-borne viruses. These viruses can provoke two infection types: hemorrhagic fever with…”
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Species differences in the ovarian distribution of 3beta-hydroxysteroid dehydrogenase/delta5-->4 isomerase (3beta-HSD) in two marsupials: the brushtail possum Trichosurus vulpecula and the grey, short-tailed opossum Monodelphis domestica by Ullmann, SL, Russell, AJ, Mason, JI, Selwood, L

“…The ovarian distribution of the steroidogenic enzyme 3beta-hydroxysteroid dehydrogenase/delta(5-->4) isomerase (3beta-HSD) was investigated by…”
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The role of androgens in development of the scrotum of the grey short-tailed Brazilian opossum ( Monodelphis domestica) by Russell, A J, Gilmore, D P, Mackay, S, Ullmann, S L, Baker, P J, Payne, A P

“…In eutherian mammals, sex differentiation is initiated by expression of the testis-determining gene on the Y chromosome. Subsequent phenotypic development of…”
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Gonadal development in the opossum, Monodelphis domestica: the rete ovarii does not contribute to the steroidogenic tissues by Maitland, P, Ullmann, S L

“…The gonads of 273 animals, ranging in age from newborn to adult, were examined in serial histological sections. Primordial germ cells were located in the…”
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Ovary development in bandicoots: sexual differentiation to follicle formation by ULLMANN, S. L

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Mammalian oocyte organelles with special reference to pleomorphic mitochondria and vacuole formation in marsupials by Ullmann, S L, Butcher, L

“…Marsupial oocytes are larger and have a thinner zona than eutherian oocytes; and the ooplasm becomes almost completely filled with empty-looking vacuoles the…”
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Culture of preantral ovarian follicles in the grey, short-tailed opossum, Monodelphis domestica by Butcher, L, Ullmann, S L

“…A culture system designed to support the development of individual preantral mouse ovarian follicles has been employed to study follicle growth in the New…”
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Testis development in the opossum Monodelphis domestica by Xie, Q, Mackay, S, Ullmann, S L, Gilmore, D P, Payne, A P

“…Testis development in the grey short-tailed opossum, Monodelphis domestica, was investigated by light and electron microscopy in 180 animals. On the day of…”
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Early differentiation of the testis in the native cat, Dasyurus viverrinus (Marsupialia) by ULLMANN, S. L

“…The development of the testis in the native cat Dasyurus viverrinus (Marsupialia) is described, from Day 3 to 2.5 months post partum. The gonad rudiment…”
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Three-Dimensional Structure of the Developing Mouse Genital Ridge [and Discussion] by Karl, Jeannie, Capel, Blanche

“…We are interested in understanding how the field of cells which forms the gonad arises, and how the testis-determining gene, Sry, controls morphogenesis of a…”
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Differentiation of the gonads and initiation of mammary gland and scrotum development in the brushtail possum Trichosurus vulpecula (Marsupialia) by Ullmann, S L

“…The first appearance of the mammary and scrotal primordia and the sexual differentiation of the gonads of the brushtail possum, Trichosurus vulpecula, are…”
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Observations on the primordial germ cells of bandicoots (Peramelidae, Marsupialia) by Ullmann, S L

“…Characteristically, bandicoot primordial germ cells are large, lightly staining cells with vesicular nuclei in which the chromatin is clumped beneath the…”
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The cremasteric neuromuscular complex in male and female grey short-tailed opossums (Monodelphis domestica) by Payne, A. P., Mackay, S., Ullmann, S. L., Paris, D. B. P. P., Allan, G. A., McKenzie, S. K., Gilmore, D. P.

“…In marsupials, both sexes possess a cremaster muscle, that of the female being attached to the mammary gland and surrounding subcutaneous tissues. In the grey…”
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