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Topic: Didelphis virginiana


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  Information Resources on the North American Opossum (Didelphis virginiana)
Austad SN (1993) Retarded senescence in an insular population of Virginia opossums (Didelphis virginiana).
Blumenthal EM, Kirkland GL (1976) The biology of the opossum, Didelphis virginiana, in southcentral Pennsylvania.
Wright DD (1989) Mortality and dispersal of juvenile opossums, Didelphis virginiana.
www.nal.usda.gov /awic/pubs/opossum.htm   (4533 words)

  
 Digimorph - Didelphis virginiana (Opossum)
virginiana are characterized by a long snout; a long, prehensile, scaly tail; short, fl ears; long guard hair; and presence of an opposable and clawless halux of the pes.
virginiana is ubiquitous east of the Mississippi River and in the eastern portion of the Midwest.
Didelphis virginiana first appears in the fossil record in the Pliocene of South America and is first seen in North America during the Pleistocene, having crossed the Panamanian land bridge during the Great American Interchange (McManus, 1974).
www.digimorph.org /specimens/Didelphis_virginiana   (836 words)

  
 Isolation of Salmonella enterica and serologic reactivity to Leptospira interrogans in opossums (Didelphis virginiana) ...
Isolation of Salmonella enterica and serologic reactivity to Leptospira interrogans in opossums (Didelphis virginiana) from Yucatan, Mexico
The presence of Salmonella enterica and serologic evidence of infection by Leptospira interrogans, were detected in the opossum Didelphis virginiana in a semi-urban locality of the Yucatan State, Mexico.
Didelphis virginiana occurs widely in Mexico including the Yucatan Peninsula where this opossum is abundant in the peridomestic habitat, thus bringing a risk to transmit zoonotic diseases such as Chagas disease to the human populations8.
www.findarticles.com /p/articles/mi_qa3855/is_200207/ai_n9110230   (888 words)

  
 BISON Species Account 050550   (Site not responding. Last check: 2007-10-31)
The opossum in Sonora are of the subspecies Didelphis virginiana californicus; those from around Tucson are reportedly D.v.
OKLAHOMA 1989: Didelphis virginiana occurs in Oklahoma (Tyler, 1989) *38*.
Occurance of the Opossum, Didelphis Virginiana Kerr, in the Trans-Pecos of Texas.
fwie.fw.vt.edu /states/nmex_main/species/050550.htm   (2502 words)

  
 Bioline International Official Site (site up-dated regularly)
To evaluate the role of D. virginiana in a peridomestic transmission, nine periods of capture-recapture were performed around the village of Dzidzilché, Yucatán.
virginiana examined 55 (53.9%) were positive to T.
Significant differences were found between infection, and both sex and reproductive condition.
www.bioline.org.br /abstract?id=oc02117   (217 words)

  
 [No title]
Fossil remains indicate the virginia opossum lived during the Pleistocene Period, in what is referred to as the “Sangamon Interglacial Stage.” The earliest remains were found in South America.
Today’s virginia opossum probably evolved from the common opossum (Didelphis marsupialis) late in the Pleistocene Period.
The common opossum (Didelphis marsupialis) is found today in Central and South America.
fwcb.cfans.umn.edu /courses/fw8576/1marsupials_DL.doc   (786 words)

  
 Amazon.com: Didelphis   (Site not responding. Last check: 2007-10-31)
The brain of the opossum (Didelphis marsupialis);: A cytoarchitectonic atlas in stereotaxic coordinates by E Oswaldo-Cruz (Unknown Binding - 1968)
Studies on reproduction in the opossum (Didelphis virginiana virginiana) (University of California publications in zoology) by Harold Culvin Reynolds (Unknown Binding - 1952)
Electroretinographic responses to UV-VIS monochromatic light in the Virginia opossum (Didelphis virginiana) by Shannon Coad (Unknown Binding - Jan 1, 2001)
www.amazon.com /s?ie=UTF8&keywords=Didelphis&tag=ecomplex&index=blended&link_code=qs&page=1   (421 words)

  
 ARS | Publication request: Establishment of Besnoitia Darlingi from Opossums (Didelphis Virginiana) in Experimental ...   (Site not responding. Last check: 2007-10-31)
Publication request: Establishment of Besnoitia Darlingi from Opossums (Didelphis Virginiana) in Experimental Intermediate and Definitive Hosts, Propagation in Cell Culture, and Description of Ultrastructural and Genetic Characteristics
Citation: Dubey, J.P., Lindsay, D.S., Rosenthal, B.M., Sreekumar, C., Hill, D.E., Shen, S.K., Kwok, O.C., Rickard, L.G., Black, S.S., Rashmir-Raven, A. Establishment of besnoitia darlingi from opossums (didelphis virginiana) in experimental intermediate and definitive hosts, propagation in cell culture, and description of ultrastructural and genetic characteristics.
Technical Abstract: Besnoitia darlingi from naturally infected opossums (Didelphis virginiana) from Mississippi, USA, was propagated experimentally in mice, cats, and cell culture and was characterised according to ultrastructural, genetic, and life-history characteristics.
ars.usda.gov /research/publications/Publications.htm?seq_no_115=133805   (396 words)

  
 ISOLATION AND IDENTIFICATION OF SOIL BACTERIA FROM THE CENTRALIA MINE FIRE AREA   (Site not responding. Last check: 2007-10-31)
The objective of this research is to clone and sequence a portion of the terminal deoxynucleotidyl transferase (TdT) gene from genomic DNA of Didelphis virginiana.
First, several different methods were used to extract and purify the DNA, and success was measured by determining the OD260/280 ratio and DNA concentration.
Then it becomes possible to compare the sequence of the fragment from Didelphis virginiana to Monodelphis domestica and eutherian mammals to see how closely related this particular gene is on an evolutionary scale.
www.susqu.edu /biology/Research/Stefaniak.htm   (175 words)

  
 Virginia Opossum
Didelphis means double womb and refers to the pouch as a secondary place of development for the infant opossums.
Virginiana refers to the state of Virginia where the opossum was first observed by English colonists.
With 50 teeth, the opossum has more than any North American land mammal.
natureali.org /opossum.htm   (620 words)

  
 Genus Didelphis - Large American Opossums
They are not particularly territorial; males may stay only 1 night per nest, though females may spend up to 5 nights in one nest.
They are more aggressive than the Didelphis virginiana opossum.
Rather than "playing dead", when threatened they hiss, rock side-to-side and may spray urine and feces.
www.knowyoursto.com /didelphidae/didelphis.html   (821 words)

  
 National Opossum Society
The National Opossum Society exists for the benefit and improvement in care of the Didelphis genus, particularly Didelphis virginiana and Didelphis marsupialis.
Within institutions such as universities where opossums are kept captive for research projects of questionable value, they are rarely given the most basic care they require to live healthy lives.
The National Opossum Society supports clinical research that strives to improve the health of the Didelphis genus or the individual opossum.
www.opossum.org   (1331 words)

  
 Didelphis virginiana PY Wanted   (Site not responding. Last check: 2007-10-31)
I am a PhD student at the University of WA, studying the post-natal development of marsupial pouch young.
I have had little luck finding a source for Didelphis virginiana pouch young between about 10 and 50 days pouch life.
I was wondering if any members might know of a source for these animals?
www.australianmammals.org.au /AMSForum/_disc1/0000003e.htm   (53 words)

  
 Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
Energy Citations Database (ECD) Document #6649434 - Studies on the energy metabolism of opossum (Didelphis virginiana) erythrocytes: V. Utilization of hypoxanthine for the synthesis of adenine and guanine nucleotides in vitro
Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
Studies on the energy metabolism of opossum (Didelphis virginiana) erythrocytes: V. Utilization of hypoxanthine for the synthesis of adenine and guanine nucleotides in vitro
www.osti.gov /energycitations/product.biblio.jsp?osti_id=6649434   (166 words)

  
 Opossums
HSUS >> Wildlife >> A Closer Look at Wildlife
The opossum (properly, the Virginia opossum—Didelphis virginiana) is the only marsupial found north of Mexico.
Marsupials are distinguished by their unique mode of reproduction: The young are born in an almost embryonic form and make their way to the pouch in their mother's abdomen, where they are nourished for what in other mammals would be most of the gestational period.
www.hsus.org /ace/15168   (667 words)

  
 Find in a Library: The opossum Didelphis virginiana as a synanthropic reservoir of Trypanosoma cruzi in ...
Find in a Library: The opossum Didelphis virginiana as a synanthropic reservoir of Trypanosoma cruzi in Dzidzilché, Yucatán, México
The opossum Didelphis virginiana as a synanthropic reservoir of Trypanosoma cruzi in Dzidzilché, Yucatán, México
WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
worldcatlibraries.org /wcpa/ow/3bc7b53a74ff2be6a19afeb4da09e526.html   (76 words)

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